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1.
Biomed Pharmacother ; 147: 112658, 2022 Mar.
Article in English | MEDLINE | ID: covidwho-1641135

ABSTRACT

The unexpected emergence of the new Coronavirus disease (COVID-19) has affected more than three hundred million individuals and resulted in more than five million deaths worldwide. The ongoing pandemic has underscored the urgent need for effective preventive and therapeutic measures to develop anti-viral therapy. The natural compounds possess various pharmaceutical properties and are reported as effective anti-virals. The interest to develop an anti-viral drug against the novel severe acute respiratory syndrome Coronavirus (SARS-CoV-2) from natural compounds has increased globally. Here, we investigated the anti-viral potential of selected promising natural products. Sources of data for this paper are current literature published in the context of therapeutic uses of phytoconstituents and their mechanism of action published in various reputed peer-reviewed journals. An extensive literature survey was done and data were critically analyzed to get deeper insights into the mechanism of action of a few important phytoconstituents. The consumption of natural products such as thymoquinone, quercetin, caffeic acid, ursolic acid, ellagic acid, vanillin, thymol, and rosmarinic acid could improve our immune response and thus possesses excellent therapeutic potential. This review focuses on the anti-viral functions of various phytoconstituent and alkaloids and their potential therapeutic implications against SARS-CoV-2. Our comprehensive analysis provides mechanistic insights into phytoconstituents to restrain viral infection and provide a better solution through natural, therapeutically active agents.


Subject(s)
Antiviral Agents/therapeutic use , COVID-19/drug therapy , Phytochemicals/therapeutic use , Phytotherapy , Alkaloids/therapeutic use , Benzaldehydes/therapeutic use , Benzoquinones/therapeutic use , Caffeic Acids/therapeutic use , Cinnamates/therapeutic use , Depsides/therapeutic use , Ellagic Acid/therapeutic use , Humans , Quercetin/therapeutic use , SARS-CoV-2 , Thymol/therapeutic use , Triterpenes/therapeutic use
2.
Molecules ; 26(17)2021 Sep 06.
Article in English | MEDLINE | ID: covidwho-1390161

ABSTRACT

Phenolic acids comprise a class of phytochemical compounds that can be extracted from various plant sources and are well known for their antioxidant and anti-inflammatory properties. A few of the most common naturally occurring phenolic acids (i.e., caffeic, carnosic, ferulic, gallic, p-coumaric, rosmarinic, vanillic) have been identified as ingredients of edible botanicals (thyme, oregano, rosemary, sage, mint, etc.). Over the last decade, clinical research has focused on a number of in vitro (in human cells) and in vivo (animal) studies aimed at exploring the health protective effects of phenolic acids against the most severe human diseases. In this review paper, the authors first report on the main structural features of phenolic acids, their most important natural sources and their extraction techniques. Subsequently, the main target of this analysis is to provide an overview of the most recent clinical studies on phenolic acids that investigate their health effects against a range of severe pathologic conditions (e.g., cancer, cardiovascular diseases, hepatotoxicity, neurotoxicity, and viral infections-including coronaviruses-based ones).


Subject(s)
Anti-Inflammatory Agents/pharmacology , Antioxidants/pharmacology , Cinnamates/pharmacology , Hydroxybenzoates/pharmacology , Plant Extracts/pharmacology , Anti-Inflammatory Agents/therapeutic use , Antioxidants/therapeutic use , Cardiovascular Diseases/diagnosis , Cardiovascular Diseases/drug therapy , Cinnamates/therapeutic use , Clinical Trials as Topic , Coronavirus Infections/diagnosis , Coronavirus Infections/drug therapy , Humans , Hydroxybenzoates/therapeutic use , Liver Diseases/diagnosis , Liver Diseases/drug therapy , Neoplasms/diagnosis , Neoplasms/drug therapy , Nervous System Diseases/diagnosis , Nervous System Diseases/drug therapy , Plant Extracts/therapeutic use , Severity of Illness Index , Treatment Outcome
3.
J Sep Sci ; 44(16): 3146-3157, 2021 Aug.
Article in English | MEDLINE | ID: covidwho-1260558

ABSTRACT

Divya-Swasari-Vati is a calcium containing polyherbal ayurvedic medicine prescribed for the lung-related ailments observed in the current pandemic of Severe Acute Respiratory Syndrome Coronavirus 2 infections. The formulation is a unique quintessential blend of nine herbs cited in Ayurvedic texts for chronic cough and lung infection. Analytical standardization of herbal medicines is the pressing need of the hour to ascertain the quality compliance. This persuaded us to develop a simple, rapid, and selective high-performance thin-layer chromatographic method for Divya-Swasari-Vati quality standardization. The developed method was validated for the quantification of marker components, gallic acid, cinnamic acid, piperine, eugenol and glycyrrhizin, against reference standards in five different batches of Divya-Swasari-Vati. The analytes were identified by visualization at 254 nm, and by matching their retention factor with authentic standards. The developed method was validated as per the guidelines recommended by the International Council for Harmonization for parameters like, linearity, limit of detection, limit of quantification, accuracy, and precision. Therefore, the developed novel high-performance thin-layer chromatographic process could be employed for rapid standardization of Divya-Swasari-Vati and other related herbal formulation, which would aid in quality manufacturing and product development.


Subject(s)
Alkaloids/analysis , Benzodioxoles/analysis , Cinnamates/analysis , Eugenol/analysis , Gallic Acid/analysis , Glycyrrhizic Acid/analysis , Piperidines/analysis , Plant Extracts/analysis , Polyunsaturated Alkamides/analysis , Alkaloids/therapeutic use , Benzodioxoles/therapeutic use , Chromatography, Thin Layer , Cinnamates/therapeutic use , Eugenol/therapeutic use , Gallic Acid/therapeutic use , Glycyrrhizic Acid/therapeutic use , Humans , Lung Diseases/drug therapy , Medicine, Ayurvedic , Molecular Structure , Piperidines/therapeutic use , Plant Extracts/therapeutic use , Plants, Medicinal/chemistry , Polyunsaturated Alkamides/therapeutic use
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