Literature DB >> 12067544

New ketosteroids from the red alga Hypnea musciformis.

V Bultel-Poncé1, S Etahiri, M Guyot.   

Abstract

The dichloromethane/methanol extract from the red alga Hypnea musciformis exhibited PPE elastase inhibition. A diketosteroid, the 20-hydroxy-5alpha-cholest-22-ene-3,6-dione was responsible for this activity. Two new steroids were isolated, 2 was assigned as the 6alpha-hydroxy-cholest-4-ene-3-one and 3 as the 6alpha-hydroxy-cholest-4,22-diene-3-one. The structures were assigned mainly on the basis of 1H and 13C NMR experiments.

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Year:  2002        PMID: 12067544     DOI: 10.1016/s0960-894x(02)00295-0

Source DB:  PubMed          Journal:  Bioorg Med Chem Lett        ISSN: 0960-894X            Impact factor:   2.823


  2 in total

1.  Sterols from the red algae, Gracilaria salicornia and Hypnea flagelliformis, from Persian Gulf.

Authors:  Masoumeh Nasir; Soodabeh Saeidnia; Ali Mashinchian-Moradi; Ahmad R Gohari
Journal:  Pharmacogn Mag       Date:  2011-04       Impact factor: 1.085

2.  Effects of seawater salinity and temperature on growth and pigment contents in Hypnea cervicornis J. Agardh (Gigartinales, Rhodophyta).

Authors:  Lanping Ding; Yuanyuan Ma; Bingxin Huang; Shanwen Chen
Journal:  Biomed Res Int       Date:  2013-11-19       Impact factor: 3.411

  2 in total

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