期刊
FOOD SCIENCE AND TECHNOLOGY
卷 41, 期 -, 页码 557-562出版社
SOC BRASILEIRA CIENCIA TECNOLOGIA ALIMENTOS
DOI: 10.1590/fst.28720
关键词
black garlic; volatile compounds; SPME-GCMS
资金
- Ministry of Research, Technology and Higher Education of the Republic of Indonesia (INSINAS 2018)
Fermentation of garlic in a water bath at 72 degrees C with a relative humidity close to 90% resulted in significant increases in antioxidant capacity, total polyphenol, flavonoid content, and browning intensity, while the pH value decreased. The use of a water bath as a fermentation instrument for black garlic processes was effective.
Garlic was fermented spontaneously in a water bath with a temperature of 72 degrees C and relative humidity close to 90%. The fermentation periods were 0 (fresh garlic), 7, 14, and 21 days. Several physicochemical properties: antioxidant capacity, total polyphenol, flavonoid content, pH, and browning intensity were determined. All of the chemical properties of black garlic increased significantly during the fermentation, except the pH value. The pH value was decreased conveniently during the time of fermentation. Browning intensity as physical properties also increased during the fermentation. A volatile compound in garlic during the fermentation process was analyzed by SPME-GCMS and was quite different compared with fresh garlic. A water bath could be considered as fermentation instrument of black garlic processes.
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