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Aroma composition of shalgam: a traditional Turkish lactic acid fermented beverage

机译:香葱的香气成分:传统的土耳其乳酸发酵饮料

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摘要

Shalgam, a traditional red, cloudy and sour soft beverage, is produced by lactic acid fermentation of black carrot, sourdough, salt, bulgur flour, turnip and adequate water. The present study was designed to characterize the volatile compounds of shalgam obtained from different methods. The aroma compounds of shalgams produced by traditional and direct methods, and addition of Lactic acid bateria (LAB) cultures were examined. Volatile components of shalgam samples were extracted by liquid–liquid extraction technique with pentane/dichloromethane and analyzed by gas chromatography-mass spectrometry (GC–MS). Sixty aroma compounds were identified in shalgam samples including 20 terpenes, 9 esters, 9 alcohols, 5 volatile acids, 6 volatile phenols, 5 lactones, 3 naphthalenes, 2 carbonyl compounds and 1 C13-norisoprenoids. It was found that the aroma profiles of shalgams were quite similar. However, the total volatile content of the shalgam samples increased with addition of Lb. plantarum.
机译:Shalgam是一种传统的红色,阴天和酸味的软饮料,是通过黑胡萝卜,酸面团,盐,碾碎干小麦粉,萝卜和适量水的乳酸发酵生产的。本研究旨在表征从不同方法获得的柳汞的挥发性化合物。检查了通过传统方法和直接方法以及添加乳酸菌(LAB)培养物产生的柳汞的香气化合物。鲸鱼样品的挥发性成分采用戊烷/二氯甲烷液-液萃取技术萃取,并通过气相色谱-质谱法(GC-MS)进行分析。在卤水样品中鉴定出六十种香气化合物,包括20种萜烯,9种酯,9种醇,5种挥发性酸,6种挥发性酚,5种内酯,3种萘,2种羰基化合物和1种C13-去甲肾上腺素。结果发现,生鱼片的香气特征非常相似。但是,随着Lb的添加,生鱼片样品的总挥发物含量增加。车前草。

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