这些香料都是以草酸二乙酯与相应的醇为原料，通过酯交换反应来合成的。
This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials.
它们的乙酸酯皂化制得相应的醇，通过高效精馏柱精馏使之分离得纯的香叶醇和橙花醇。
Saponification of the acetates produced the respective alcohols. Pure geraniol and nerol were separated by rectification on a highly efficient packed column.
类固醇激素皮质醇，亦即你感到有压力时分泌会相应升高的那种激素，在你早上醒来时达到最高点，但到下午就降低。
Levels of the steroid hormone cortisol, the same hormone that rises when you're stressed, hit their peak when you wake up in the morning but dip to a low by afternoon.
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