Utpal Kumar Karmakar

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One new alkyl sulfonic acid derivative, sulfotanone (1), and the known panosialin wA (2) were isolated from the methanolic extract of mycelium of Streptomyces sp. 11694. The structure of the new compound (1) was established by a combination of spectroscopic techniques, including HRESIMS, IR, 1D and 2D NMR measurements. Compound 1 (40 µM) in combination with(More)
Mimusops elengi Linn. (Family: Sapotaceae) is a tree which is traditionally used against a number of diseases including ulcers, headache, dental diseases, wound and fever. In the present study crude methanolic extract of Mimusops elengi Linn. leaf was investigated for possible antioxidant, analgesic and cytotoxic activity. The extract exhibited(More)
OBJECTIVES Urinary tract infection is the second most common clinical indication for empirical antibiotic treatment in primary and secondary health care settings. The incidence of diabetes mellitus throughout the world is increasing strikingly and in the long run, it has some major effects on the genitourinary system which makes diabetic patients more(More)
Premna integrifolia Linn. (Family: Verbenaceae) is a medicinal plant which is traditionally used against a number of diseases including inflammatory condition. On the scientific basis of traditional uses, the ethanolic extract of leaves of Premna integrifolia Linn. was assessed for its possible analgesic and antimicrobial activity. The analgesic activity of(More)
The ethanolic extract of whole plant of Coriandrum sativum Linn., family: Umbelliferae, was assessed for its possible analgesic, antidiarrhoeal, antimicrobial and cytotoxic activity. Preliminary phytochemical screening of the ethanolic extract revealed the presence of alkaloids, tannins, glycosides, and gums. In acetic acid induced writhing in mice, the(More)
Objective: In the present work, the leaves and stems of Kalanchoe pinnata Linn. (Family: Crassulaceae) have been investigated for screening phytochemicals, cytotoxicity and antibacterial activities. Materials and methods: Brine shrimp lethality (BSL) bioassay was used as a pre-screening method for cytotoxic effect. Ethanolic extract of the plant was tested(More)
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