Abstract:
Fatty acid composition of Vietnamese black lingzhi, Amauroderma subresinosum was investigated by GC (Gas chromatography) with authentic samples. Fourteen fatty acids were identified, in which the concentration of unsaturated fatty acid, 11-octadecaenoic is the highest (around 51.01% of total fatty acids). Furthermore, two fatty acids, lignoceric acid and 11-octadecaenoic together with three esters of cholesta-7,22-dien-3β-ol with three fatty acids 14- methylpentadecanoic, 8,11-octadecaenoic and 8-octadecenoic with the ratio 1/1/1 were isolated and structural elucidated. These results support a new evidence for classification of Ganodermataceae family, in which A. subresinosum is placed in the distinct genus Amauroderma, isolated from Ganoderma, since it does not produce any triterpenoid, typically elaborated from Ganoderma species, particularly G. lucidum.
D.N. Quang, T.T. Nga and L.X. Tham, 2011. Chemical Composition of Vietnamese Black Lingzhi Amauroderma subresinosum Murr. Research Journal of Phytochemistry, 5: 216-221.
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