期刊
FOOD SCIENCE AND BIOTECHNOLOGY
卷 28, 期 6, 页码 1703-1711出版社
KOREAN SOCIETY FOOD SCIENCE & TECHNOLOGY-KOSFOST
DOI: 10.1007/s10068-019-00616-6
关键词
Subcritical extraction process; Cinnamon; Response surface methodology; Optimization; Regression equation
Subcritical extraction was optimized to maximize the extraction yield of flavoring compounds from cinnamon. The extracts of cinnamon were obtained at three different levels of extraction temperature (110-130 degrees C), time (20-60 min), and pressure (20-40 bar). Response surface methodology was used in order to optimize the subcritical extraction process. The suitability of each independent variable in the second-order polynomial regression model was evaluated on the extraction yield and flavoring compound contents. For optimum extraction yield, the optimum temperature, time, and pressure were determined as 130 degrees C, 60 min, and 26.63 bar, respectively. The contents of the flavoring compound predicted at optimum conditions were as follows: 10.01 mg/g at 110 degrees C, 20 min, and 20 bar for coumarin; 4.95 mg/g at 110 degrees C, 20 min, and 32 bar for cinnamic acid; 55 mg/g at 110 degrees C, 34.62 min, and 37 bar for cinnamldehyde; and 4.92 mg/g at 110.9 degrees C, 20 min, and 20 bar for cinnamyl alcohol.
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