Title: The Optimum Extraction Process of Pectin from Seed-using Watermelon Peel by Response Surface Methodology
Abstract: The single factor tests and response surface methodology were applied to optimize the ultrasonic assisted acid extraction process of pectin from seed-using watermelon peel. A mathematical model was established by Box-Behnken design. The results showed that, the order of factors which affecting the yield of pectin was extraction temperature ultrasonic power p H ultrasonic time. The optimum process parameters of pectin from seed-using watermelon peel by ultrasonic assisted acid extraction method were as follows: liquid-solid ratio was 50 ∶1(m L/g), p H was 1.9, ultrasonic power was 140 W, extraction temperature was 67 ℃ and ultrasonic time was 54 min. Under these conditions, the pectin yield reached up to 13.85%, and the pectin yield of validation experiment was 13.58%, the two values were close, it showed that the mathematical model was valid for predicting the extraction of pectin from seed-using watermelon peel. The extraction time of pectin by ultrasonic assisted acid method could save more than 40% of the traditional acid extraction method.
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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