Constituents of the brown alga Padina tetrastromatica (Hauck)-II
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Date
1996Author
Parameswaran, P.S.
Naik, C.G.
Das, B.
Kamat, S.Y.
Bose, A.K.
Nair, M.S.R.
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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 isolated from the CHCl sub(3) fraction, while a reduced sugar, galactitol (4) has been obtained from the n-BuOH and aqueous fractions of the MeOH extract of the brown alga Padina tetrastromatica.
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