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Anuradha Nanewar Joshi

Bio: Anuradha Nanewar Joshi is an academic researcher from Guru Ghasidas University. The author has contributed to research in topics: Petroleum ether & Toluene. The author has co-authored 1 publications.

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TL;DR: In this paper, a physical extraction of 4-hydroxybenzoic acid (4-HBA) from its aqueous solution using nontoxic solvents; sesame oil, canola oil, and conventional solvements; benzene, toluene, and petroleum ether.

5 citations


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TL;DR: An overview of phenolic compounds and flavonoids as potential and important sources of pharmaceutical and medical application according to recently published studies, as well as some interesting directions for future research is provided in this paper .
Abstract: Phenolic compounds and flavonoids are potential substitutes for bioactive agents in pharmaceutical and medicinal sections to promote human health and prevent and cure different diseases. The most common flavonoids found in nature are anthocyanins, flavones, flavanones, flavonols, flavanonols, isoflavones, and other sub-classes. The impacts of plant flavonoids and other phenolics on human health promoting and diseases curing and preventing are antioxidant effects, antibacterial impacts, cardioprotective effects, anticancer impacts, immune system promoting, anti-inflammatory effects, and skin protective effects from UV radiation. This work aims to provide an overview of phenolic compounds and flavonoids as potential and important sources of pharmaceutical and medical application according to recently published studies, as well as some interesting directions for future research. The keyword searches for flavonoids, phenolics, isoflavones, tannins, coumarins, lignans, quinones, xanthones, curcuminoids, stilbenes, cucurmin, phenylethanoids, and secoiridoids medicinal plant were performed by using Web of Science, Scopus, Google scholar, and PubMed. Phenolic acids contain a carboxylic acid group in addition to the basic phenolic structure and are mainly divided into hydroxybenzoic and hydroxycinnamic acids. Hydroxybenzoic acids are based on a C6-C1 skeleton and are often found bound to small organic acids, glycosyl moieties, or cell structural components. Common hydroxybenzoic acids include gallic, syringic, protocatechuic, p-hydroxybenzoic, vanillic, gentistic, and salicylic acids. Hydroxycinnamic acids are based on a C6-C3 skeleton and are also often bound to other molecules such as quinic acid and glucose. The main hydroxycinnamic acids are caffeic, p-coumaric, ferulic, and sinapic acids.

9 citations

Journal ArticleDOI
TL;DR: In this paper , the authors proposed to retrieve 4-HBA from aqueous solution through physical extraction using natural oils (mustard oil, sunflower oil, and soyabean oil) and chemicals (MIBK and 1-octanol) as solvent.

1 citations

Journal ArticleDOI
TL;DR: In this article , a few non-toxic solvents like groundnut oil, sunflower oil, rice bran oil, and sesame oil have been investigated to study their efficiency for the extraction of vanillic acid from the aqueous phase.