The a - aldc can decarboxylate a - acetolactate directly to form acetoin without the formation of diacetyl 15ppm就会产生类似馊饭的味道。
2.
The peculiarities and the progress in research of production and application of acetoin were described . the chemical synthesis process and the micro - organism fermentation method were also compared 摘要简述了3 -羟基丁酮的性质以及生产应用方面的研究进展，并对化学合成法与生物发酵法生产3 -羟基丁酮的工艺方法进行了比较。
