Browsing by Author "Kamat, S.Y."
Now showing items 1-20 of 42
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2D-NMR studies of a novel steroid from the red alga Acantophora spicifera
OmPrakash; Roy, R.; Bhakuni, D.S.; Wahidullah, S.; Kamat, S.Y. (American Chemical Society, 1989) -
5(R)-Acetoxyspata-13,17-diene, a novel diterpenoid from the brown alga Stoechospermum marginatum
Wahidullah, S.; Kamat, S.Y.; Paknikar, S.K.; Bates, R.B. (Thieme Medical Publishers, 1988) -
A heteroaromatic acid from marine sponge Suberites vestigium
Mishra, P.D.; Wahidullah, S.; Kamat, S.Y. (NISCAIR, CSIR, 1998)The 4-Methyl- pyrazole-3(5)-carboxylic acid has been isolated from the buttanol fraction of marine sponge, Sunerites vestigium for the first time. The methanol extract of the sponge exhibits in vitro antihistaminic activity. ... -
Anti-bacterial compounds from the sponge Haliclona sp.
Parameswaran, P.S.; Kamat, S.Y.; Chandramohan, D.; Nair, S.; Das, B. (New Delhi: Oxford & IBH, 1992)The crude methanolic extract of the sponge Haliclona sp., collected off Gujarat coast exhibited promising anti-viral (in vitro, 75%) and anti-bacterial properties Partitioning of the extract between various organic solvents, ... -
Antifouling activity of Indian marine invertebrate against the green mussel Perna viridis L.
PrabhaDevi; Jayasree, V.; Naik, C.G.; Parameswaran, P.S.; Raveendran, T.V.; Kamat, S.Y. (Springer, 1998)Thirty-one species of marine invertebrates collected from the Indian Coast, belonging to six phyla (Porifera, Coelenterata, Annelida, Mollusca, Echinodermata, and Eurochordata) were tested for antifouling activity against ... -
Bioactivity of marine organisms. 4. Screening of some marine animals from the Indian coast
Naik, C.G.; Kamat, S.Y.; Parameswaran, P.S.; Das, B.; Battacharya, J.; Ramani, P.; Bhakuni, D.S.; Goel, A.K.; Jain, S.; Srimal, R.C. (Indian Association for Limnology and Oceanography, 1989)Of twenty eight alcoholic extracts of marine organisms screened for a wide range of pharmacological activities, 15 showed biological activity. Of these two were anti implantation, 3 CNS stimulant, 2 hypotensive, 4 diuretic, ... -
Bioactivity of marine organisms. 6. Antiviral evaluation of marine algal extracts from the Indian coast
Kamat, S.Y.; Wahidullah, S.; DeSouza, L.; Naik, C.G.; Ambiye, V.; Bhakuni, D.S.; Goel, A.K.; Garg, H.S.; Srimal, R.C. (Walter de Gruyter, Berlin, 1992)Ethanolic extracts of Indian marine algae belonging to the Rhodophyceae, Phaeophyceae and Chlorophyceae were tested for anti-semiliki Forest (SFV), Ranikhet Disease (RDV) and Vaccinia (VV) viruses. In the primary screening ... -
Bioactivity of marine organisms. Part 3. Screening of marine algae of Indian coast for biological activity
Kamat, S.Y.; Wahidullah, S.; Naik, C.G.; DeSouza, L.; Jayasree, V.; Ambiye, V.; Bhakuni, D.S.; Goel, A.K.; Garg, H.S.; Srimal, R.C. (Indian Association for Limnology and Oceanography, 1991)Ethanolic extracts from Indian marine algae have been tested for anti-viral, anti-bacterial, anti-fungal, anti-fertility, hypoglycaemic and a wide range of pharmacological activities. Of 34 species investigated 17 appeared ... -
Bioactivity of marine organisms. Part 3. Screening of marine algae of Indian coast for biological activity
Kamat, S.Y.; Wahidullah, S.; Naik, C.G.; DeSouza, L.; Jayasree, V.; Ambiye, V.; Bhakuni, D.S.; Goel, A.K.; Garg, H.S.; Srimal, R.C. (Indian Association for Limnology and Oceanography, 1991)Ethanolic extracts from Indian marine algae have been tested for anti-viral, anti-bacterial, anti-fungal, anti-fertility, hypoglycaemic and a wide range of pharmacological activities. Of 34 species investigated 17 appeared ... -
Bioactivity of marine organisms. Part 5. Screening of some marine fauna from the Indian coast
Naik, C.G.; Kamat, S.Y.; Parameswaran, P.S.; Das, B.; Patel, J.; Ramani, P.; Bhakuni, D.S.; Goel, A.K.; Jain, S.; Srimal, R.C. (National Institute of Oceanography, India, 1990) -
Bioactivity of marine organisms: Part 7- Effect of seaweed extract on central nervous system
Kamat, S.Y.; Wahidullah, S.; DeSouza, L.; Naik, C.G.; Ambiye, V.; Bhakuni, D.S.; Jain, S.; Goel, A.K.; Srimal, R.C. (CSIR-NISCAIR, 1994)Alcohol extracts of marine algae (Rhodophyceae, Phaeophyceae and Chlorophyceae) was screened for their effect on central nervous system. Of 69 species investigated 8 appeared biologically active, 6 being CNS stimulant, ... -
Bioactivity of the Extracts from some Marine Animals of the Indian Coast
Kamat, S.Y.; Solimabi; Naqvi, S.W.A.; DeSouza, L.; Reddy, C.V.G.; Bhakuni, D.S.; Dhawan, B.N. (Indian Association for Limnology and Oceanography, 1981)Twenty six species of marine animals from Indian coast were extracted with aqueous ethanol and the extracts were subjected to a broad-based biological screening including the tests for antibacterial, antifungal, antiviral, ... -
Bromine and Iodine Content in Sponges and Algae of the Andaman Sea
Solimabi; Das, B.; Mittal, P.K.; Kamat, S.Y. (CSIR-NISCAIR, 1981)Br and I contents were determined spectrophotometrically in 12 species of sponges and 16 species of algae(red, brown and green). These elements on dry weight basis varied from 0.025 to 1.29% for Br and from 0.001 to 0.085% ... -
Bromine content in some seaweeds of Goa (Central West Coast of India)
Naqvi, S.W.A.; Mittal, P.K.; Kamat, S.Y.; Solimabi; Reddy, C.V.G. (Walter de Gruyter, Berlin, 1979)Nineteen species of seaweeds from the coast of Goa were examined for their bromine content following the spectrophotometric method involving ashing with Na@d2@@CO@d3@@, oxidation of bromide to bromine with chloramine-T and ... -
Chemical Constituents of the Red Alga Acanthophora Spicifera
Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (Walter de Gruyter, Berlin, 1986)Analysis of the petroleum-wither and chloroform extracts of the marine red alga @iAcanthophora spicifera@@ led to the isolation of a sterol, cholesterol, fatty acids, stearic, palmitic, behenic (C@d22@@) and arachidic acids ... -
Chemical examination of the brown alga Stoechospermum marginatum (C. Agardh)
Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (Current Science Association, 1988)The crude methalonic extract of marine algae Stoechospermum marginatum from west coast of India was found to have spasmolytic activity. Search for the pharmacologically active compounds led to the isolation of steroids, ... -
Chemical examination of the Red alga Acanthophora spicifera
Wahidullah, S.; Kamat, S.Y. (Oxford and IBH, New Delhi, 1991)Analyses of petroleum ether and chloroform extracts of the marine alga Acanthophora spicifera exhibiting antifertility activity led to the isolation of sterols and fatty acids as well as the rare dipeptides aurantiamides. ... -
Comparison of Carrageenan from Hypnea Musciformis Wulfen with other Carrageenans
Naik, V.R.; Agshikar, N.V.; Abraham, G.J.S.; Solimabi; Kamat, S.Y.; Reddy, C.V.G. (CSIR-NISCAIR, 1980) -
Constituents of the brown alga Padina tetrastromatica (Hauck)-II
Parameswaran, P.S.; Naik, C.G.; Das, B.; Kamat, S.Y.; Bose, A.K.; Nair, M.S.R. (NISCAIR, CSIR, 1996)Three terpenoids, (2R,4S)-4-acetoxy-2-hydroxy-2,6,6-trimethylcyclohexanone (1), 3'R,4'-[(2R,4S)-4-acetoxy-2-hydroxy-2,6,6-trimethylcyclohexylidene] but-3'-en-2'-one or apo-9'-fucoxanthinone (2) and loliolide (3) have been ... -
Dipeptides from the red alga Acanthopora spicifera
Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (Pergamon, 1991)An investigation of red alga Acanthophora spicifera afforded the known peptide, aurantiamide acetate and a new diastereoisomer of this dipeptide (dia-aurantiamide acetate). This is a first report of aurantiamide acetate ...