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1.
Indian J Exp Biol ; 2001 Apr; 39(4): 365-70
Article Dans Anglais | IMSEAR | ID: sea-59752

Résumé

Cold water extracts of marine green algae Codium dwarkense and C. tomentosum were precipitated with different molar concentrations of KCl and were subjected to anion exchange and gel filtration chromatography. Both the species yielded sulphated arabinan through bioassay-guided purification and both were chemically identified as a polymer of alpha-L-arabinofuranose. Products were assayed for their blood anticoagulant activity using PT, APFT and TT tests and found that they differed in the potency of activity though they are chemically identical. Bioassay-guided purification of cold water extract of C. tomentosum yielded sulphated arabinan and sulphated arabinogalactan.


Sujets)
Chlorophyta/composition chimique , Anticoagulants/composition chimique , Humains , Spectroscopie par résonance magnétique , Polyosides/composition chimique , Spectrophotométrie IR
2.
Indian J Exp Biol ; 1997 Jun; 35(6): 638-43
Article Dans Anglais | IMSEAR | ID: sea-56518

Résumé

Methanolic extracts of 31 botanically identified species of marine flora, collected from Gujarat Coast, have been screened for a wide range of biological activities. Of these, 3 extracts showed anti-implantation, 2 had antiviral, 2 showed hypotensive, 1 had anti-inflammatory while 12 extracts showed diuretic activities. The antiviral activity; against EMCV, was confirmed in one alga. The active principles and results of these studies are reported.


Sujets)
Eucaryotes/composition chimique , Animaux , Inde , Extraits de plantes/pharmacologie , Rats
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