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A new ceramide from the basidiomycete Russula cyanoxantha
1Laboratory of Phytochemistry, Kunming Institute of Botany, the Chinese Academy of Sciences, People's Republic of China.
Abstract:
A new phytosphingosine-type ceramide (1) was isolated along with nine other compounds-5alpha,8alpha-epidioxy(22E,24R)-ergosta-6,22-dien-3beta-ol, 5alpha,8alpha-epidioxy-(24S)-ergosta-6-en-3beta-ol, (24S)-ergosta-7-ene-3beta,5alpha,6beta-triol, (22E,24R)-ergosta-7,22-dien-3beta,5alpha,6beta-triol, inosine, adenine, L-pyroglutamic acid, fumaric acid, and D-allitol from the ethanol and chloroform/methanol extract of the fruiting bodies of the basidiomycete Russula cyanoxanotha (Schaeff.) Fr. The structure of (1) was established as (2S,3S,4R,2'R)-2-(2'-hydroxytetracosanoylamino) octadecane-1,3,4-triol by means of spectroscopic and chemical methods.