Browsing by Author "Kamat, S.Y."
Now showing items 21-40 of 42
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Distribution of tocopherol (Vitamin E) in marine algae from Goa, West coast of India
Jayasree, V.; Solimabi; Kamat, S.Y. (CSIR-NISCAIR, 1985) -
Echinoside-B from the Lakshadweep sea cucumber Actinopyga mauritiana (Quoy and Gaimard)
Parameswaran, P.S.; Naik, C.G.; Das, B.; Kamat, S.Y. (NISCAIR, New Delhi, 1991)Brine-shrimp assay guided purification of the methanolic extract of the sea cucumber Actinopyga mauritiana yields echinoside-B as a major toxic constituent. The compound has been characterized based on its spectral data. -
Halogenated terpenoids from the brown alga Padina tetrastromatica (HAUCK)
Parameswaran, P.S.; Bhat, K.L.; Das, B.; Kamat, S.Y.; Harnos, S. (CSIR-NISCAIR, 1994)Three novel halogenated norsesquiterpenoids, 2-chloro-2, 6, 10-trimethylundecanoic acid (1), its 2-bromo analog (2) and methyl 2-chloro-2-carboxy-6, 10-dimethylundecanoate (3), alongwith fucosterol, 7-ketocholesterol as ... -
Isolation of 2-Benzoxazolinone from Acanthus ilicifolius
Murty, M.S.R.; Solimabi; Kamat, S.Y. (Indian Pharmaceutical Association, 1984) -
Larvicidal activity of some marine macrophytes against Artemia salina
PrabhaDevi; Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (Society of Biosciences, 1998)Petroleum ether (PE) and chloroform (C) soluble fractions of methanolic extracts of nine different macrophytes viz. mangroves (Derris heptaphyla, Salvadora persica, Sonneratia caseolaris and Clerodendrum inerme), seaweeds ... -
Lipid constituents of marine sponge Suberites carnosus
Mishra, P.D.; Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (NISCAIR, CSIR, 1996)Sterols (22E) - 24- methyl-cholest - 4, 8(9), 22(23) - triene - 3, 7 - diol (1) and (22E)-24-methyl-ergost-6, 22(23)-diene-5, 8-epidioxy-3-ol (2), a fatty acid nonadecanoic acid and a fatty ester methyl nonadecanoate have ... -
Lipid contents of the sponge Haliclona sp.
Parameswaran, P.S.; Das, B.; Kamat, S.Y. (CSIR-NISCAIR, 1994)Several fatty acids, sterols, batyl alcohol and its analogs and an N-acylated sphingosine (ceramide) have been isolated from the lipid fraction of the extract of the sponge Haliclona sp. The major sterol is found to be ... -
Marine natural products. Part 1. Occurrence of Batyl alcohol and Brassicasterol in Porites lutea
Naik, C.G.; Kamat, S.Y.; Topgi, R.S. (CSIR-NISCAIR, 1982) -
Minor sterols from the sponge Ircinia ramosa (Killer)
Parameswaran, P.S.; Naik, C.G.; Das, B.; Kamat, S.Y. (Oxford and IBH, New Delhi, 1992)Three sterols, isolated from the lipid fraction of the sponge Ircinia ramosa were characterised as cholest-5-en-3 beta-ol-7-one (7-oxo cholesterol, 1), cholest 5-23-dien-b beta ol-7-one (7-oxo demosterol, 2) and 24E-ethyl ... -
New Diterpenoids of the Brown Seaweed Stoechospermum Marginatum: Structure of Stoechospermol
Solimabi; DeSouza, L.; Kamat, S.Y.; Paknikar, S.K. (Elsevier, 1980) -
Renieramycins H and I, two novel alkaloids from the sponge Haliclona cribricutis Dendy
Parameswaran, P.S.; Naik, C.G.; Kamat, S.Y.; Pramanik, B.N. (NISCAIR, CSIR, 1998)The known alkaloid, mimosamycin 1, along with its moon- and di hydroxy derivaties, 4-hydroxy mimosamycin 2 and 1, 4-dihydroxymimosamycin 3 and two new dimeric alkaloids: namely renieramycins H and I 4 and 5 have been ... -
Screening of some marine plants for activity against marine fouling bacteria
PrabhaDevi; Solimabi; DeSouza, L.; Sonak, S.; Kamat, S.Y.; Singbal, S.Y.S. (Walter de Gruyter, Berlin, 1997) -
Screening of Some Marine Plants from the Indian Coast for Biological Activity
Naqvi, S.W.A.; Solimabi; Kamat, S.Y.; DeSouza, L.; Reddy, C.V.G.; Bhakuni, D.S.; Dhawan, B.N. (Walter de Gruyter, Berlin, 1981)Extracts of twenty five seaweeds from Indian coast have been put through a broad biological screen which includes tests for antiviral, antibacterial, antifungal, antiprotozoal, antifertility activities and a wide range of ... -
Seasonal changes in biochemical composition of Holothuria leucospilota (Echinodermata)
Jayasree, V.; Parulekar, A.H.; Wahidullah, S.; Kamat, S.Y. (CSIR-NISCAIR, 1994)Biochemical composition of body wall and gonads of Holothuria leucospilota was analysed for protein, carbohydrate, lipid, ash, dry weight and calorific values and was discussed in relation to its spawning activities. Lipids ... -
Seasonal changes in Carrageenan and other Biochemical Constituents of Hypnea Musciformis
Solimabi; Dass, B.; Kamat, S.Y.; DeSouza, L.; Reddy, C.V.G. (CSIR-NISCAIR, 1980)Carrageenan content was maximum in winter. Near inverse relationship was observed between the total carbohydrate and carrageenan. Protein levels were highest when the nitrogenous nutrients were high -
Steroids from marine sponges Suberites vestigium and Chrotella australiensis
Mishra, P.D.; Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (NISCAIR, CSIR, 1997)The sponges Suberites vestigium and Chrotella australiensis have been examined for steriods. Both the sponges contain C sub(27-29) mono and diunsaturated sterols, in addition sponge C. australiensis contains cholest-4-ene-3-one ... -
Steroids from the seaweed Gracilaria corticata
DeSouza, L.; Solimabi; Kamat, S.Y.; Naqvi, S.W.A.; Reddy, C.V.G. (CSIR-NISCAIR, 1978) -
Sterols from the Lakshadweep sponge, Ircinia ramosa (Killer)
Parameswaran, P.S.; Naik, C.G.; Das, B.; Kamat, S.Y. (CSIR-NISCAIR, 1989)Four monohydroxy sterols, viz, (22E,24S)-24-methylcholest-5,22-dien-3(beta)-ol (3), cholesterol (4), 24(Xi)-ethylcholesterol (8) and the corresponding Delta super(4)-3 ketones, viz. (22E,24S)-24-methylcholest-4,22-dien-3-one ... -
Sterols from the soft coral Lobophytum strictum (Alcyonarian) from Lakshadweep sea
Parameswaran, P.S.; Naik, C.G.; Das, B.; Kamat, S.Y. (CSIR-NISCAIR, 1989)Two polyhydroxy sterols 24(Xi)-methylcholestane-3(beta), 5a, 6(beta), 25-tetrol, 25-monoacetate, and 24S-methylcholestane-3(beta), 4(beta), 5(beta), 25-tetrol-6-one, 25-monoacetate (lo-bosterol), six monohydroxy sterols ... -
Studies on the secondary metabolites from the Indian gorgonian Subergorgia suberosa: Isolation and characterization of four analogues of the cardiotoxin subergorgic acid
Parameswaran, P.S.; Naik, C.G.; Kamat, S.Y.; Puar, M.S.; Das, Pradip; Hegde, V.R. (American Chemical Society, 1998)Chemical investigation of the methanol extract of the Indian Ocean gorgonian coral Subergorgia suberosa resulted in isolation and identification of four novel compounds 2-5. Structural investigation revealed compound 1 to ...