Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Chakraborty, A."'
Autor:
Soumya Chakraborty, Shubhasis Dan, Balaram Ghosh, Tapan Kumar Pal, Jasmina Khanam, Pallab Mandal, Chiranjit Saha
Publikováno v:
Journal of Chromatographic Science. 57:451-461
Among the secondary metabolites which are widely distributed in plants and foods in plant origin flavonoids is important one. Flavonoids have antioxidant activities as free radical scavenging action. They also have anti-inflammatory, antiulcer and an
Publikováno v:
Carbohydrate Research. 473:5-11
A short, simple and convenient chiron approach to (3R,4S,5R)-(-)-3,5-dihydroxy-4-decanolide, a hitherto unknown diastereomer of the reported structure of a naturally occurring acetogenin, (+)-polyporolide has been accomplished starting from a commerc
Autor:
Dexy Joseph, Kajal Chakraborty
Publikováno v:
Food Chemistry. 260:135-144
Ethyl acetate extracts of seaweeds were chromatographically fractionated to yield 14-methyl pentyl tetrahydro-8-hydroxy-10-methylnaphthalene–8-carboxylate (1) and tetrahydro-4-isopropyl-9-(9, 14-dimethyldec-9-enyl)-pyran-1-one (2) from Sargassum il
Autor:
Minju Joy, Kajal Chakraborty
Publikováno v:
Food Chemistry. 251:125-134
Bivalve black clam, Villorita cyprinoides is traditional seafood in Southwestern coast of Arabian Sea. In this study, bioactivity-guided purification of ethyl acetate:methanol extract of black clam was carried out. Two irregular meroterpenoids {tetra
Autor:
Dhritiman Chakraborty, Chandra Shekhar Pundir, Jagriti Narang, Chaitali Singhal, Aviraj Ingle, Anoop Krishna Pn
Publikováno v:
International Journal of Biological Macromolecules. 98:84-93
An impedimetric genosensor was fabricated for detection of hepatitis C virus (HCV) genotype 1 in serum, based on hybridization of the probe with complementary target cDNA from sample. To achieve it, probe DNA complementary to HCVgene was immobilized
Publikováno v:
Food Chemistry. 218:427-434
Heterotrophic Bacillus amyloliquefaciens associated with edible red seaweed, Laurenciae papillosa was used to isolate antibacterial polyketide compounds. Antibacterial activity studies integrated with the outcome obtained by polyketide synthetase (pk
Publikováno v:
Carbohydrate research. 487
Chiron approach was used to acquire optically pure (R)- and (S)-1-(2,6-dimethylphenoxy)propan-2-ol, immediate precursors of (S)- and (R)-mexiletines, respectively. Two different routes were followed from a D-mannitol-derived optically pure common pre
Autor:
Priyanka Chakraborty, Sreebash Chandra Bhattacharjee, Mohammed Mahbubul Matin, Muhammad Shaiful Alam
Publikováno v:
Carbohydrate research. 485
Octyl β- d -glucopyranoside (OBG), prepared from d -glucose and octan-1-ol employing MW method, was subjected to direct dimolar valeroylation in pyridine at room temperature (25 °C) with valeroyl chloride. This mainly furnished the corresponding 3,
Publikováno v:
Food Chemistry. 199:828-837
Methyl esters of C20-22n-3 polyunsaturated fatty acids derived from sardine oil triglycerides were concentrated to 86% purity with greater than 30% recovery by argentated chromatography. The synergistic effect of ethyl acetate fractions of seaweeds K
Autor:
Kamalika Sen, Arabinda Chakraborty
Publikováno v:
Journal of Chromatography A. 1433:41-55
The phase diagrams of aqueous biphasic systems impart a distinct idea regarding the feasibility of biphase formation by different water soluble substances at their optimum concentrations. Depending on nature of the components viz., the water soluble