摘要
以河南省焦作特有的怀山药为原料酿造怀山药醋,采用液-液萃取和气相色谱-质谱法分析醋酿造过程中原浆、酒精发酵液、醋酸发酵液的挥发性风味成分,以期为怀山药醋的加工以及产业化提供理论和技术支持。分析表明,怀山药原浆中醇类和烷烃类化合物的相对含量、种类数量较高。与怀山药原浆相比,酒精发酵液中醇类化合物和酯类化合物的相对含量和种类明显增加。与酒精发酵液相比,醋酸发酵液的酸类和酯类化合物的相对含量有所升高,醇类化合物的相对含量明显降低。
This experiment mainly studied the development of yam. Flavor components in the yam vinegar, the puree, the alcohol fermentation and the acetic fermentation are identified by the analysis of gas chromatography-mass spectrometry. which could be a theoretical support for the deeply processing of yam vinegar and its industrialization. Many kinds of components are detected covering esters, alcohols, acids, aldehydes, ketones, phenols and get their main flavor components. The contents and kinds of alcohols and alkanes in the puree are very rich. Compared with the puree, the contents and kinds of alcohols and esters in the alcohol fermentation are significantly increased. Compared with the alcohol fermentation, the contents and kinds of acids and esters are increased, the contents of alcohols are reduced.
引文
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