Cerebrosides in grapevine leaves: Distinct composition of sphingoid bases among the grapevine species having different tolerances to freezing temperature

Abstract

Cerebrosides from leaves of three grapevine species were analyzed in detail. The relative proportions of 8-E/Z isomers of 4-hydroxy-8-sphingenines [i.e. t18:1(8E) and (8Z)] differed amongst the species in respect to freezing tolerance. This suggests that the occurrence of high levels of t18:1(8Z) in cerebrosides is correlated with freezing tolerance in these species. © 2000, Taylor & Francis Group, LLC. All rights reserved.