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1.
Front Physiol ; 15: 1343219, 2024.
Article in English | MEDLINE | ID: mdl-38737829

ABSTRACT

Introduction: Exercise, health, and the gut microbiota (GM) are strongly correlated. Research indicates that professional athletes, especially ultra-marathon runners, have unique GM characteristics. However, more research has focused on elite athletes, with little attention given to amateur sports enthusiasts, especially those in the middle-aged population. Therefore, this study focuses on the impact of long-term running on the composition and potential functions of the GM in middle-aged individuals. Methods: We compared the GM of 25 middle-aged serious runnerswith 22 sedentary healthy controls who had minimal exercise habitsusing 16S rRNA gene sequencing. Additionally, we assessed dietary habits using a food frequency questionnaire. Results and Discussion: Statistical analysis indicates that there is no significant difference in dietary patterns between the control group and serious runners. Diversity analysis results indicate that there is no significant difference in α diversity between the two groups of GM, but there is a significant difference in ß diversity. Analysis of the composition of GM reveals that Ruminococcus and Coprococcus are significantly enriched in serious runners, whereas Bacteroides, Lachnoclostridium, and Lachnospira are enriched in the control group. Differential analysis of functional pathway prediction results reveals significant differences in the functional metabolism levels of GM between serious runners and the control group. Further correlation analysis results indicate that this difference may be closely related to variations in GM. In conclusion, our results suggest that long-term exercise can lead to changes in the composition of the GM. These changes have the potential to impact the overall health of the individual by influencing metabolic regulation.

2.
Appl Microbiol Biotechnol ; 108(1): 300, 2024 Apr 15.
Article in English | MEDLINE | ID: mdl-38619710

ABSTRACT

The gut microbiota (GM) and its potential functions play a crucial role in maintaining host health and longevity. The aim of this study was to investigate the potential relationship between GM and longevity. We collected fecal samples from 92 healthy volunteers (middle-aged and elderly: 43-79 years old; longevity: ≥ 90 years old) from Changshou Town, Zhongxiang City, Hubei, China. In addition, we collected samples from 30 healthy middle-aged and elderly controls (aged 51-70 years) from Wuhan, Hubei. The 16S rDNA V3 + V4 region of the fecal samples was sequenced using high-throughput sequencing technology. Diversity analysis results showed that the elderly group with longevity and the elderly group with low body mass index (BMI) exhibited higher α diversity. However, no significant difference was observed in ß diversity. The results of the microbiome composition indicate that Firmicutes, Proteobacteria, and Bacteroidota are the core phyla in all groups. Compared to younger elderly individuals, Akkermansia and Lactobacillus are significantly enriched in the long-lived elderly group, while Megamonas is significantly reduced. In addition, a high abundance of Akkermansia is a significant characteristic of elderly populations with low BMI values. Furthermore, the functional prediction results showed that the elderly longevity group had higher abilities in short-chain fatty acid metabolism, amino acid metabolism, and xenobiotic biodegradation. Taken together, our study provides characteristic information on GM in the long-lived elderly population in Changshou Town. This study can serve as a valuable addition to the current research on age-related GM. KEY POINTS: • The gut microbiota of elderly individuals with longevity and low BMI exhibit higher alpha diversity • Gut microbiota diversity did not differ significantly between genders in the elderly population • Several potentially beneficial bacteria (e.g., Akkermansia and Lactobacillus) are enriched in long-lived individuals.


Subject(s)
Gastrointestinal Microbiome , Microbiota , Middle Aged , Humans , Aged , Female , Male , Adult , Aged, 80 and over , China , Akkermansia , Bacteroidetes , Lactobacillus
3.
Gene ; 914: 148400, 2024 Jul 01.
Article in English | MEDLINE | ID: mdl-38527672

ABSTRACT

Slow transit constipation (STC) is a refractory gastrointestinal disease, accounting for approximately 13 âˆ¼ 37 % of chronic constipation. However, the molecular mechanism of STC remains poorly understood. Herein, this study aims to identify the key mRNAs and lncRNAs associated with STC. To this end, we performed high-throughput RNA sequencing to identify differentially expressed (DE) mRNAs and lncRNAs in the whole-layer sigmoid intestinal tissues from 4 STC patients and 4 non-STC patients. The identified DE lncRNAs and mRNAs were validated through quantitative real-time PCR. Weighted gene co-expression network analysis (WGCNA) and Pearson correlation analysis were conducted to determine the significantly correlated DE mRNA-lncRNA pairs. A total of 1420 DE lncRNAs and 1634 DE mRNAs were identified. Kyoto Encyclopedia of Genes and Genomes analysis of DE mRNAs indicated that these DE mRNAs might be associated with systemic lupus erythematosus, alcoholism, intestinal immune network for IgA production, inflammatory bowel disease, NF-kappa B signaling pathway. WGCNA and Pearson correlation analyses jointly identified 16,577 significantly correlated DE mRNA-lncRNA pairs. Furthermore, lncRNAs LINC00641, LINC02268, LINC03013 were identified as hub lncRNAs. The protein-protein interaction (PPI) network of proteins encoded by DE mRNAs was established, and PPI-based analysis revealed that Interleukin 2(IL2), CD80 molecule (CD80), interleukin-17A (IL-17A) might play significant roles in the development of STC. This study analyzes the expression profiles of lncRNAs and mRNAs associated with STC. Our findings will contribute to further understanding of the molecular mechanism of STC and provide potential diagnostic or therapeutic biomarkers for STC.


Subject(s)
Constipation , Gene Expression Profiling , Gene Regulatory Networks , RNA, Long Noncoding , RNA, Messenger , Humans , RNA, Long Noncoding/genetics , RNA, Messenger/genetics , RNA, Messenger/metabolism , Constipation/genetics , Female , Gene Expression Profiling/methods , Male , Protein Interaction Maps/genetics , Middle Aged , Adult , High-Throughput Nucleotide Sequencing
4.
China Pharmacy ; (12): 2093-2096, 2022.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-941448

ABSTRACT

OBJECTIV E To study composition an d content changes of volatile components during the bleaching process of Atractylodis macrocephala with the water of washing rice. METHODS The raw products of A. macrocephala and bleached products of 5 different bleaching stages were prepared (in the first and second stages ,raw products were bleached with 9-fold volumn of the water of washing rice for 12 h and 24 h,respectively;in the third ,fourth and fifth stages ,the raw products were firstly bleached with 9-fold volumn of the water of washing rice for 24 h,and then bleached with 9-fold volumn of clean water for 12,24 and 48 h,respectively);the bleaching temperature was set at 26 ℃. The volatile components of raw products of A. macrocephala and its bleached products of 5 different bleaching stages were qualitatively analyzed by using headspace gas chromatography-mass spectrometry. The relative percentage of each component was calculated by peak area normalization method. RESULTS A total of 49 volatile components were identified from raw products of A. macrocephala and its bleached products of 5 different bleaching stages,including 20 common volatile components such as terpinolene ,cyperene and atractylon ,etc. Among them ,33,31,28, 30,28 and 29 volatile components were identified from the raw products of A. macrocephala and the bleached products of the first to fifth stages ,the relative percentages of which were 66.218% ,64.711% ,79.410% ,65.419% ,67.101% ,66.818% , respectively;among them ,the relative percentage of atractylon in bleached products was the highest in the fourth stage (41.206%),but was the lowest in the third stage (35.926%). Compared with the raw product ,16 volatile components such as pethylbrene and β-vetivenen were added in the bleaching process ,while 8 volatile components such as ethyl palmitate and β-maaliene were not detected. However ,5 volatile components including 11-rotundene and (-)-valeranone in the bleaching process showed a trend of disappearance-emergence and disappearance-emergence-disappearance. CONCLUSIONS In the third stage,the total relative percentage of each volatile component and the relative percentage of representative dry component as , atractylone are the lowest in bleached products of A. ; macrocephala,i.e. the bleaching technology of relieving the dry property of A. macrocephala e with the water of washing rice is bleaching with 9-fold volumn of the water of washing rice for 24 h,and then bleaching with 9-fold volumn of clean water for 12 h.

6.
Org Lett ; 20(2): 417-420, 2018 01 19.
Article in English | MEDLINE | ID: mdl-29285928

ABSTRACT

A novel ureidobromophenol, rhodomelin A (1), was characterized from Rhodomela confervoides. Its structure was elucidated by spectroscopic analysis. Both enantiomers of 1 were synthesized using a convergent strategy starting from d/l-pyroglutamic acids, respectively, allowing assignment of the R-configuration for the naturally occurring isomer by chiral HPLC analysis. Rhodomelin A represents the first example of a naturally occurring ureidopyrrolidone alkaloid incorporating a γ-aminobutyric acid unit. The scavenging activity of 1 toward DPPH (1,1-diphenyl-2-picrylhydrazyl) and ABTS (2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate)) radicals was assayed.


Subject(s)
Rhodophyta , Antioxidants , Biphenyl Compounds , Chromatography, High Pressure Liquid , Free Radical Scavengers , Molecular Structure , Picrates , Pyrrolidonecarboxylic Acid , Stereoisomerism
7.
Eur J Nutr ; 57(5): 1829-1844, 2018 Aug.
Article in English | MEDLINE | ID: mdl-28501921

ABSTRACT

PURPOSE: Obese individuals have higher production of reactive oxygen species, which leads to oxidative damage. We hypothesize that cranberry extract (CE) can improve this dysfunction in HFD-induced obesity in rats since it has an important antioxidant activity. Here, we evaluated the effects of CE in food intake, adiposity, biochemical and hormonal parameters, lipogenic and adipogenic factors, hepatic morphology and oxidative balance in a HFD model. METHODS: At postnatal day 120 (PN120), male Wistar rats were assigned into two groups: (1) SD (n = 36) fed with a standard diet and (2) HFD (n = 36), fed with a diet containing 44.5% (35.2% from lard) energy from fat. At PN150, 12 animals from SD and HFD groups were killed while the others were subdivided into four groups (n = 12/group): animals that received 200 mg/kg cranberry extract (SD CE, HFD CE) gavage/daily/30 days or water (SD, HFD). At PN180, animals were killed. RESULTS: HFD group showed higher body mass and visceral fat, hypercorticosteronemia, higher liver glucocorticoid sensitivity, cholesterol and triglyceride contents and microsteatosis. Also, HFD group had higher lipid peroxidation (plasma and tissues) and higher protein carbonylation (liver and adipose tissue) compared to SD group. HFD CE group showed lower body mass gain, hypotrygliceridemia, hypocorticosteronemia, and lower hepatic cholesterol and fatty acid synthase contents. HFD CE group displayed lower lipid peroxidation, protein carbonylation (liver and adipose tissue) and accumulation of liver fat compared to HFD group. CONCLUSION: Although adiposity was not completely reversed, cranberry extract improved the metabolic profile and reduced oxidative damage and steatosis in HFD-fed rats, which suggests that it can help manage obesity-related disorders.


Subject(s)
Diet, High-Fat , Lipid Metabolism/drug effects , Liver/metabolism , Obesity/drug therapy , Plant Extracts/pharmacology , Vaccinium macrocarpon/chemistry , Animals , Brazil , Cholesterol/metabolism , Fatty Liver , Male , Mice , Plant Extracts/administration & dosage , Rats , Rats, Wistar
8.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-692354

ABSTRACT

A label-free and enzyme-free fluorescent DNA sensor based on hybridization chain reaction ( HCR) and vacant site-binding molecule was developed. By rationally incorporating a cytosine in hairpin DNAs for HCR and utilizing vacant site-binding fluorophore ATMND, sensitive DNA detection was achieved, resulting from the large amount of vacant sites presented on the long DNA nanostructures upon HCR. Gel electrophoresis and atomic force microscopy were performed to characterize the hybridization chain reaction. Under the optimized conditions, the method could sensitively detect the target DNA with the low detection limit of 2. 0 nmol/L. The method shows great potential in signal amplification for DNA detection with advantages such as simple, label-free and low-cost.

9.
Zhonghua Wei Chang Wai Ke Za Zhi ; 20(12): 1370-1374, 2017 Dec 25.
Article in Chinese | MEDLINE | ID: mdl-29280119

ABSTRACT

OBJECTIVE: To evaluate the safety and efficacy of the perineal rectosigmoidectomy (Altemeier procedure) in the treatment of full thickness rectal prolapse. METHODS: Clinical and follow-up data of 52 patients with full thickness rectal prolapse undergoing Altemeier procedure in 9 hospitals from September 2010 to July 2016 were analyzed retrospectively. Of which 38 cases were from Zhongnan Hospital of Wuhan University, 1 case from Suizhou Central Hospital of Hubei province, 1 case from Jingzhou Second People's Hospital of Hubei province, 3 cases from Wuxue First People's Hospital of Hubei province, 1 case from Jingmen First People's Hospital of Hubei province, 1 case from Tuanfeng County Hospital of Hubei province, 4 cases from Jingzhou Central Hospital of Hubei province, 2 from PLA Rocket Army General Hospital, 1 case from the Affiliated Hospital of Xuzhou Medical University in Jiangsu province. Altemeier operation steps: The line shaped teeth, the prolapsed rectum is first exposed to the anus. In the dentate line proximal 1-3 cm with ultrasonic knife or Ligasure ring outer rectal incision, using electric knife to mark pre resection line in rectal mucosa. Open down in front of the pelvic peritoneum. Incision of the outer intestine and the reduction of the internal rectum and part of sigmoid colon. To free and remove excess pelvic retroperitoneal, pelvic peritoneum and be at the top of the colon or rectum anterior pelvic reconstruction suture. The rear of the levator ani muscle forming rectum. Pull gently to the anus and rectum and sigmoid, in the absence of tension, 2-3 cm outside the anus was selected as the proximal inner bowel pre resection line, along the line of pre transection of proximal bowel resection, again the broken end of intestine full-thickness end-to-end anastomosis. Postoperative complication and recurrence were summarized. Gastrointestinal quality of life index (GIQLI), Wexner constipation score and Wexner fecal incontinence score were used to evaluate the efficacy. RESULTS: All the 52 patients were beyond moderate full thickness rectal prolapse. Thirty-one were male and 21 were female with age ranging from 22 to 83 (average 53) years. The length of prolapsed rectum was 6 to 20 (average 9) cm and course of disease was 0.5 to 46(average 19.5) years. No perioperative death. Five patients (9.6%) had postoperative complications, including 2 anastomotic bleeding, 1 wall portion dehiscence of anastomosis, 1 anastomotic stenosis, and 1 malnutrition. Recurrence rate was 9.6%(5/52) within the long-term follow-up of 5 to 71 (median 40) years. Compared with the preoperative results, Wexner constipation score and Wexner fecal incontinence score decreased obviously (2.1±1.4 vs. 4.6±3.4, 4.8±4.1 vs. 6.8±4.1), and GIQLI significantly increased from 99.6±8.0 to 103.0±9.1 (all P<0.05) at 6-month after operation. Above 3 scores were sustained and continuously improved at 12-, 24-, and 36-month during the follow-up (all P<0.05). CONCLUSION: Altemeier procedure possesses good efficacy with low morbidity of complication and recurrence in the treatment of full thickness rectal prolapse.


Subject(s)
Plastic Surgery Procedures , Rectal Prolapse/surgery , Adult , Aged , Aged, 80 and over , Fecal Incontinence , Female , Humans , Male , Middle Aged , Postoperative Complications , Quality of Life , Rectum , Retrospective Studies , Treatment Outcome , Young Adult
10.
Article in English | WPRIM (Western Pacific) | ID: wpr-327767

ABSTRACT

Objective To compare the clinical effectiveness of lipoic acid combined with epalrestat versus lipoic acid in treating diabetic peripheral neuropathy(DPN). Methods Randomized controlled trials(RCTs) and clinical controlled trials on lipoic acid versus epalrestat for DPN before February 2016 were searched through five databases:CNKI,CBM,VIP,Wanfang,and PubMed. The quality of the included trials were assessed using Cochrane software and Jadad scores. Data were analyzed with Review Manager 5.3 software. Results Nine studies were included in the analysis. Meta analysis showed that the lipoic aid monotherapy was significantly inferior to lipoic acid-epalerestat combination therapy [RR=0.58,95%Cl(0.47,0.71),P<0.00001]. Inferiority of the lipoic acid monotherapy was also shown in nerve conduction velocity with WMDs of-4.94 [95%Cl(-7.41,-2.46),P<0.0001] for median motor nerve conduction velocity(MNCV),-5.08 [95%Cl(-7.68,-2.49),P=0.0001] for peroneal MNCV,-4.24 [95%Cl(-6.20,-2.29),P<0.0001] for median sensory nerve conduction velocity(SNCV),and-3.66 [95%Cl(-5.02,-2.31),P<0.00001] for peroneal SNCV. Sensitivity analysis showed that the results were robust. However,the included trials were limited by simple design,few subjective indicators,and short follow-up time. Conclusions Lipoic acid combined with epalrestat is better than lipoic acid alone in the treatment of DPN,as well as the MNCV and SNCV of median or peroneal nerve. Due to the low quality of the included studies,high-quality RCTs are warranted to validate the results.

11.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-668638

ABSTRACT

Objective:To comprehensively evaluate the urban and rural residents' basic integrated medical in-surance system,taking Tianjin,Chongqing and Ningxia as case study areas,to provide policy suggestions to relevant government departments. Methods:The evaluation index system for urban and rural residents' basic integrated medi-cal insurance system was constructed and made use of the scatter degree method for the evaluation of the effect of the system. Results:(1) Fairness and policy guarantee are higher relatively,while the medical service and sustainability are still running short for the urban and rural residents' basic integrated medical insurance; (2) Effect of the urban and rural residents' basic integrated medical insurance system of three municipalities is obviously different due to the difference in their respective population size, economic development, etc. Conclusions: Reasonable policy sugges-tions put forward to the pilot cities to improve the urban and rural residents' basic integrated medical insurance sys-tem,such as strengthening the top-level design of policy,increasing fiscal subsidies and improving the mechanism of fund-raising and reimbursement and strengthening the supervision of the medical insurance fund.

12.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-662097

ABSTRACT

The data of public WeChat public platform in 100 hospitals of traditional Chinese medicine were mined and analyzed by making use of the"Qingbo index" big data platform in terms of the WCI value, number of papers, number of readings, and number of praises. The factors influencing the information service of public WeChat platform in hospitals of traditional Chinese medicine were found by further analyzing and comparing the number of published papers, contents of information service, publication time of papers in such hospitals with Guangdong Provincial Hospital of Traditional Chinese Medicine and Jiangsu Provincial Hospital of Traditional Chinese Medicine as exam-ples. Suggestions were put forward for strengthening the operation and development of public WeChat platform and improving its information service.

13.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-659381

ABSTRACT

The data of public WeChat public platform in 100 hospitals of traditional Chinese medicine were mined and analyzed by making use of the"Qingbo index" big data platform in terms of the WCI value, number of papers, number of readings, and number of praises. The factors influencing the information service of public WeChat platform in hospitals of traditional Chinese medicine were found by further analyzing and comparing the number of published papers, contents of information service, publication time of papers in such hospitals with Guangdong Provincial Hospital of Traditional Chinese Medicine and Jiangsu Provincial Hospital of Traditional Chinese Medicine as exam-ples. Suggestions were put forward for strengthening the operation and development of public WeChat platform and improving its information service.

14.
China Pharmacy ; (12): 1620-1622, 2017.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-514049

ABSTRACT

OBJECTIVE:To observe therapeutic efficacy and safety of Kouyanqing granules for chronic periodontitis and it effects on inflammatory cytokine. METHODS:110 patients with chronic periodontitis were divided into control group(55 cases)and observa-tion group(55 cases). Control group accepted the periodontal basic treatment as oral hygiene instruction,supragingival scaling,subgin-gival scaling and root planning. Observation group was additionally given Kouyanqing granules 20 g orally,twice a day,on the basis of control group. Both groups were treated for 4 weeks. Clinical efficacies of 2 groups were observed as well as the levels of plaque in-dex(PLI),gingival index(GI),probing depth(PD),clinical attachment level(CAL),IL-17,IL-21,and the occurrence of ADR. RE-SULTS:Both groups completed the treatment,and no patient lost to follow up. Total response rate of observation group was significant-ly higher than that of control group,with statistical significance(P0.05). CONCLUSIONS:Based on routine treatment,Kouyanqing granules show significant therapeutic efficacy for chronic periodontitis, can significantly improve periodontal symptom and reduce inflammatory factor level,but do not increase the incidence of ADR.

15.
Molecules ; 16(9): 7391-400, 2011 Aug 30.
Article in English | MEDLINE | ID: mdl-21878859

ABSTRACT

In this paper, microwave-assisted extraction (MAE) of oxymatrine from Sophora flavescens were studied by HPLC-photodiode array detection. Effects of several experimental parameters, such as concentration of extraction solvent, ratio of liquid to material, microwave power, extraction temperature, and extraction time on the extraction efficiencies of oxymatrine were evaluated. The optimal extraction conditions were 60% ethanol, a 20:1 (v/v) ratio of liquid to material and extraction for 10 min at 50 °C under 500 W microwave irradiation. Under the optimum conditions, the yield of oxymatrine was 14.37 mg/g. The crude extract obtained could be used as either a component of some complex traditional medicines or for further isolation and purification of bioactive compounds. The results, which indicated that MAE is a very useful tool for the extraction of important phytochemicals from plant materials, should prove helpful for the full utilization of Sophora flavescens.


Subject(s)
Alkaloids/isolation & purification , Chemical Fractionation/methods , Microwaves , Plant Extracts/isolation & purification , Plant Roots/chemistry , Quinolizines/isolation & purification , Sophora/chemistry , Ethanol/chemistry , Plant Extracts/radiation effects , Solvents , Water/chemistry
16.
Ultrason Sonochem ; 18(2): 549-52, 2011 Mar.
Article in English | MEDLINE | ID: mdl-20980187

ABSTRACT

Forsythia suspensa (Thunb.) Vahl is one of the most widely used traditional Chinese medicines, and possesses important biological activities, such as antibacterial, antiviral, anti-inflammatory and antioxidant activities. Phillyrin is the main bioactive component of Forsythia suspensa. In this paper, ultrasound-assisted extraction of phillyrin from Forsythia suspensa was studied with HPLC-photodiode array detection. Effects of several experimental parameters, such as type and concentration of extracting solvent, ratio of liquid to material, extraction temperature, and time of sonication on extraction efficiencies of phillyrin from Forsythia suspensa were evaluated. The optimal extraction conditions were 1g plant sample with 10 ml of 20% methanol and the extraction for 60 min at 60°C under ultrasonic irradiation. Under the optimum conditions, the yield of phillyrin was 0.713±0.009 mg/g. The results indicated that the ultrasound-assisted extraction is a very useful method for the extraction of important phytochemicals from plant materials.


Subject(s)
Chemical Fractionation/methods , Forsythia/chemistry , Glucosides/isolation & purification , Sonication , Biomarkers/analysis , Chromatography, High Pressure Liquid , Drugs, Chinese Herbal/chemistry , Glucosides/analysis , Solvents/chemistry , Temperature , Time Factors
17.
Molecules ; 15(7): 4890-7, 2010 Jul 12.
Article in English | MEDLINE | ID: mdl-20657397

ABSTRACT

A new high-performance liquid chromatographic method with photodiode array detection was established for the determination of linalool in the plant Michelia alba. Linalool was extracted from the plant sample with the aid of ultrasound, and was analyzed on a Waters RP C(18) column (4.6 x 150 mm, 5 microm) using an acetonitrile and water (55:45, v/v) mobile phase at a flow rate of 1.0 mL/min. The column temperature was set at 25 degrees C, and the detection wavelength was 210 nm. The linear range of the method was 5-200 microg/mL with a correlation coefficient of 0.9975. The recovery was 92-112%, and the relative standard deviation was 1.85% (n = 9). The present method has been used to study the distribution of linalool in the plant Michelia alba. The plant samples include flowers, leaves and tender twigs. Furthermore, leaves included samples in their tender, grown-up and fallen phases, and flowers included samples in their juvenile, middle and whitening phases. The concentrations of linalool in different parts of the plant were 0.21-0.65%, 1.63-4.89% and 0.43% for leaves, flowers and tender twigs, respectively. The results showed that all the plant materials contained relative high concentration of linalool, and juvenile phase flowers contained the highest concentration of linalool. Notably, the fallen leaves also contained high concentrations of linalool, which could be a potential resource of this compound. The results obtained are very helpful for the potential full utilization of this plant.


Subject(s)
Chromatography, High Pressure Liquid/methods , Magnoliaceae/chemistry , Monoterpenes/analysis , Plant Components, Aerial/chemistry , Acyclic Monoterpenes , Chromatography, High Pressure Liquid/standards , Limit of Detection , Methods , Reproducibility of Results
18.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-403361

ABSTRACT

To investigate the effect of casein phosphopeptide-amorphic calcium phosphate(CPP-ACP) on the growth of Lactobacillus fermentum and to evaluate the possibility of CPP-ACP as a biological anticariogenic agent. Lactobacillus fermentum was inoculated in BHI with different concentrations of CPP-ACP and grew in anaerobic condition at 37 ℃ for 48 h. Used MTT method to evaluate the effects of CPP-ACP on the growth of Lactobacillus fermentum. CPP-ACP inhibited the growth of Lactobacillus fermentum effectively. With the concentration of CPP-ACP increasing, the values of A(550 nm) decreased. It was found that CPP-ACP had inhibitory effect on the growth of Lactobacillus fermentum, the inhibitory effect increased with CPP-ACP concentration.

19.
Microbiology ; (12)2008.
Article in Chinese | WPRIM (Western Pacific) | ID: wpr-685986

ABSTRACT

The progress in the biochemistry and degradation of xanthan gum were reviewed. Significance and technique of xanthan gum degradation were stressed. Biodegradation was discussed significantly and prospect of xanthan degradation was depicted.

20.
Zhonghua Fu Chan Ke Za Zhi ; 42(1): 22-5, 2007 Jan.
Article in Chinese | MEDLINE | ID: mdl-17331416

ABSTRACT

OBJECTIVE: To investigate the constitutive characteristics and the change trend of gynecologic malignant tumors in hospitalized patients in Guangxi Zhuang Autonomous Region over the recent 20 years. METHODS: Clinical data of 8009 in-patients who suffered from gynecologic malignant tumors in 23 hospitals from 1985 to 2004 in Guangxi Zhuang Autonomous Region were analyzed, with respect to the tumor types and change trend. RESULTS: (1) The leading 4 types of malignant tumors were cervical cancers, ovarian cancers, endometrial cancers, and malignant trophoblastic tumors according to the constitutive ratios of the tumors. The constitutive ratio of cervical cancer patients rose year by year, from 17.48% during the 1985-1989 period to 49.25% during the 2000-2004 period (P < 0.01). While the constitutive ratio of malignant trophoblastic tumors dropped year by year. The changes of ovarian cancer, endometrial cancer, vulvar and vaginal carcinomas, and sarcoma of the uterus were not obvious (P > 0.05). (2) The occurring age of cervical cancers became younger obviously, from > or = 60 years old dropped to < 40 years old. (3) Cervical cancers were found mainly in urban residents in the former 10 years, the constitutive ratio being 67.1%; while in the latter 10 years it gradually shifted to rural residents, accounting for 52.6% of the total gynecological tumors. (4) Patients were usually at stages II, III, IV when they visited a doctor for their diseases. Especially for ovarian cancer, malignant trophoblastic tumors, sarcoma of the uterus, these patients were in the intermediate or advanced stage when they were diagnosed, mainly because of lack of obvious symptoms. The constitutive ratio of these advanced patients was over 60%. CONCLUSIONS: We should strengthen the screening program of cervical cancer, and pay more attention to prevention and control of other gynecological reproductive organ tumors at the same time. On the other hand, we should explore better tumor markers, new methods of diagnosis and treatment to improve early diagnosis and treatment of gynecologic malignant tumors.


Subject(s)
Genital Neoplasms, Female/epidemiology , Adult , Age Factors , China/epidemiology , Endometrial Neoplasms/epidemiology , Endometrial Neoplasms/pathology , Female , Genital Neoplasms, Female/pathology , Humans , Middle Aged , Neoplasm Staging , Ovarian Neoplasms/epidemiology , Ovarian Neoplasms/pathology , Retrospective Studies , Time Factors , Uterine Cervical Neoplasms/epidemiology , Uterine Cervical Neoplasms/pathology , Vulvar Neoplasms/epidemiology , Vulvar Neoplasms/pathology
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