sentence: Although these are approximations and can vary between harvests , they confirm that much of the t17 :0 was actually incorporated into more complex sphingolipid species.Quantitative analyses of LCB content demonstrated that sbh protonema had approximately 2.4 ‐ fold greater sphingolipid content than WT , but providing t17 :0 decreased endogenous LCB ( sphingolipid ) content in sbh protonema , returning it to WT levels ( Figure 6 ) .