4α-methylergosta-8,24(28)-dien-3β-ol,a minor sterol in the seed of horse chestnut |
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Authors: | Slobodan K. Stanković Milan B. Bastić Jovan A. Jovanovic |
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Affiliation: | 1. Department of Organic Chemistry, Faculty of Technology and Metallurgy, University of Belgrade, 11000 Belgrade, Yugoslavia |
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Abstract: | From ripe horse chestnut seed the 4α-methyl sterol fraction was isolated representing 4.5% of the unsaponifiable matter, i.e. 3 mg% of the seed. This fraction was investigated by capillary GC and combined GC-MS. It contains at least 12 components, of which 5 were identified as: obtusifoliol 4α-methylergosta-8,24(28)-dien-3β-ol, gramisterol, cycloeucalenol and citrostadienol. The distribution of these five 4α-methyl sterols in the seed was also determined and they represent about 90% of the investigated fraction. 4α-Methylergosta-8,24(28)-dien-3β-ol up to now been found in higher plants only in traces, while in this fraction it was found in the amount of about 5%. |
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Keywords: | Hippocastanaceae seed oil unsaponifiable matter 4α-methyl sterol 4α-methylergosta-8,24(28)-dien-3β-ol. |
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