Paper Title:
Optimization of Brewing Process of Low-Alcohol Litchi Wine and its Influence on Volatile Compounds
  Abstract

The optimization of low-alcohol litchi wine brewing process through orthogonal design L9(34) and the comparison of influence of pre- and post-fermentation on the volatile compounds by using gas chromatography-mass spectrometry (GC–MS) analysis were studied. The low-alcohol litchi wine which fermented using the mixed aroma-producing yeasts Kloeckera apiculata (Y2) and Hansenula anomala (Hansen) H. et P. Sydow (Y4) at 14°C, with ratio Y2/Y4 of 1:2 (vol.) and inoculum size of 4 (%,vol.), had the typical characteristics of low alcohol, light yellow color, fresh litchi-like and refined wine aroma, refreshing sweet taste. The volatile compounds of the fermented wine invented a marked improvement in flavor of the low-alcohol litchi wine, because the esters were increased 1.16-fold, alcohols (0.96-fold), acids (2.38-fold), while the terpenes decreased more than 39% compared with samples before fermentation. The results would explain the technological differences and superiorities in the aroma compounds contributed by the aroma-producing yeasts.

  Info
Periodical
Advanced Materials Research (Volumes 236-238)
Edited by
Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao
Pages
2532-2538
DOI
10.4028/www.scientific.net/AMR.236-238.2532
Citation
H. L. Jian, Y. H. Yang, J. S. Chen, Y. L. Tan, "Optimization of Brewing Process of Low-Alcohol Litchi Wine and its Influence on Volatile Compounds", Advanced Materials Research, Vols. 236-238, pp. 2532-2538, 2011
Online since
May 2011
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