Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.

采用直接酯化法，将山梨酸与四种醇反应，合成了山梨酸甲酯、乙酯、丙酯、丁酯。

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Sorbic alcohol is made from starch or cane sugar through hydrolysis and hydrogenation.

山梨醇是以淀粉或蔗糖为原料经水解、氢化制得。

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