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KMID : 0380620120440050583
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Korean Journal of Food Science and Technology
2012 Volume.44 No. 5 p.583 ~ p.591
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Storage Properties and Biogenic Amines Production of Makgeolli Brewed with Different Proportions of Rice and Wheat Flour
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Kim Soon-Mi
Han A-ra
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Abstract
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Four kinds of makgeolli brewed with different proportions of rice and wheat flour were prepared to investigate the effects of the carbohydrates source on the storage properties, and to examine the chemical characteristics and BA (biogenic amine) contents in makgeolli stored over 30 days at 4, 10 and 20oC, respectively. The chemical properties and BA contents were sustained at a consistent level for those makgeolli stored at 4oC over 30 days. The alcohol content was significantly higher for makgeolli brewed with higher proportions of rice (R) over wheat flour (WF) (R 100: WF 0, R 70: WF 30) when compared with those brewed with a high proportion of wheat flour (R 30: WF 70, R 0: WF 100), and increased with increasing storage temperature and duration. The free amino acid contents of makgeolli brewed with high proportion of rice were significantly lower under the same conditions. Among the 8 BAs examined, tyramine, putrescine, cadaverine and phenylethylamine were detected, while tyramine and putrescine were mainly detected. Histamine was not detected throughout storage. Makgeolli brewed with rice as the only carbohydrate source exhibited very low levels of total BA during 30 days of storing at 20oC. Total BA contents of R100, R70, R30, R0 were 178.6, 682.9, 1186.7 and 1150.4 mg/L, respectively. These results suggest that makgeolli brewed with relatively higher proportions of rice have better storage properties and are safer for consumption.
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KEYWORD
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makgeolli, rice proportion, biogenic amine, storage properties, storage temperature
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