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Sphingolipids in immature and mature soybeans
Author(s) -
Ohnishi Masao,
Fujino Yasuhiko
Publication year - 1982
Publication title -
lipids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.601
H-Index - 120
eISSN - 1558-9307
pISSN - 0024-4201
DOI - 10.1007/bf02535357
Subject(s) - sphingolipid , cerebroside , sphingosine , lipidology , biochemistry , clinical chemistry , chemistry , fatty acid , ceramide , sugar , palmitic acid , biology , apoptosis , receptor
Abstract Ceramides and cerebrosides were isolated from immature and mature soybeans, and structures of the constituents were investigated. As component fatty acids, normal, 2‐hydroxy and 2,3‐dihydroxy acids were found in ceramides, whereas only normal and 2‐hydroxy acids were identified in cerebrosides. The principal fatty acid component was 2‐hydroxylignoceric acid in ceramides, and 2‐hydroxypalmitic acid in cerebrosides. Sphingoids in ceramides consisted mainly of trihydroxy bases, with 4‐hydroxy‐ trans ‐8‐sphingenine being predominant. In contrast, cerebrosides contained mainly dihydroxy bases, the principal constituent being trans ‐4, trans ‐8‐sphingadienine. The only sugar in cerebrosides was glucose. The constituents of the two sphingolipids were similar to each other in immature and mature seeds. Possible metabolic relations of plant sphingolipids, based on composition, are discussed.