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Malaysian Journal of Nutrition ; : 227-238, 2022.
Artigo em Inglês | WPRIM | ID: wpr-953863

RESUMO

@#Introduction: Moringa oleifera is a drought-resistant plant, widely used in the tropical region. The leaves and stems have been extensively utilised in foods and neutraceuticals preparation, with less attention to the seeds. In this study, amino acid (AA) compositions of M. oleifera testa and cotyledon were examined comparatively. Methods: Samples were separately defatted, hydrolyed, and neutralised. The AA solution was purified by cation-exchange solid-phase extraction, derivatised and analysed by gas chromatography. Results: Glutamic (acidic amino acid) and phenylalanine (essential amino acid, EAA) were the most concentrated in both samples. Total EAA (g/100g crude protein, cp) was higher in cotyledon (51.0) than testa (41.9). Predicted protein efficiency ratios (P-PERs) were higher in testa (0.605-1.530) than cotyledon 0.286-1.460). EAA index ranged between 0.951-1.13 (soybean comparison) and 83.0-96.9 (egg comparison) with corresponding biological value of 78.7-93.9. The following AA had scores >1.0 in comparison to whole hen’s egg, testa: glycine (Gly), glutamic acid (Glu), phenylalanine (Phe), histidine (His), and cysteine (Cys); cotyledon (Gly), proline (Pro), Glu, Phe, His, arginine (Arg) and Cys. In comparison with requirements of pre-school children, six AA (6/9 or 66.7%) had scores >1.0 in each sample. In provisional AA scoring pattern, isoleucine (Ile) (1.25) and Phe + tyrosine (Tyr) (1.68) had scores >1.0 in testa while methionine (Met) + Cys, Phe+Tyr, and tryptophan (Trp) in cotyledon. However, tryptophan and lysine were the limiting AAs in testa and cotyledon, respectively. Conclusion: The study showed that both anatomical parts would complement each other in terms of amino acid supply.

2.
Military Medical Sciences ; (12): 801-807, 2013.
Artigo em Chinês | WPRIM | ID: wpr-439993

RESUMO

Objective To investigate the metabolism and function of the intestinal microbiota from liver cirrhosis patients.Methods Sixteen cases of liver cirrhosis and twenty normal individuals were selected , whose intestinal microbiota metagenomic DNA was extracted , followed by high-throughput Solexa sequencing and the bioinformatics analysis of metabo-lism and function annotation to compare the differences between the patients and normal subjects and find out about the cir -rhosis-related functions .Results The functional diversity was significantly reduced in the intestinal microbiota of cirrhotic patients.At the module or pathway level , the intestinal microbiota of patients showed an enrichment in metabolisms of drugs, essential amino acid , propanoate metabolism and inflammatory reaction , whereas an opposite tendency was observed in the metabolic ability of butyrate , bile acid and cell cycle .Conclusion Under the influence of liver cirrhosis , the growth environment in the intestine is destroyed , causing, the intestinal microbiota the exhibit some compensation to adapt to the changed intestinal micro-environment .

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