Determination of Fusel Oil Contents in Silver Rums Fermented from Sugarcane Juice from Six Different Varieties

doi:10.7506/spkx1002-6630-201402025

Abstract

Abstract:

In order to investigate the effect of raw material sources on the contents of fusel oils in silver rum, after cold
juice lime clarification, low-temperature fermentation at 18 ℃ and distillation, the intermediate fraction of silver rum
was collected and then mixed into 40% (V/V) basic rum. The samples were analyzed by gas chromatography (GC). The
results indicated that isoamyl alcohol was the most abundant component in fusel oil of silver rum, which accounted for
46.70%–63.22% of the total fusel oil. The contents of propanol and isobutanol were 20.26%–36.08% and 14.47%–15.87%,
respectively. The contents of butanol and pentanol were relatively lower in silver rum. Among six sugarcane varieties, the
rum made from Daheixiong variety had the highest content of fusel oil (389.54 mg/L), followed by Zhe 94128 (316.91 mg/L),
Taiyou (312.27 mg/L), Yue 00236 (295.83 mg/L), Tai 22 (254.76 mg/L) and Gui 00122 (239.48 mg/L). These results may
provide a scientific and technical basis to analyze the fusel oil content in silver rum and select suitable sugarcane varieties
for the production of high-quality rum.

Key words: sugarcane varieties, fermentation, silver rum, fusel oils, gas chromatography

CLC Number:

TS261.2

WANG Song-lei1, YANG Hua-feng1, YU Shu-juan1,*, ZENG Xin-an1, ZHU Si-ming1, WAN Xing-hai2, LIU Jia-qiang2. Determination of Fusel Oil Contents in Silver Rums Fermented from Sugarcane Juice from Six Different Varieties[J]. FOOD SCIENCE, 2014, 35(2): 137-140.

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