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Research on the Process of Extraction Pectin from Orange Peel

JIANG Nan et al(Life Science and Technology College of Xiaogan University,Xiaogan,Hubei 432000)  
[Objective] The research aimed to investigate the best conditions for extracting raw pectin from orange peel.[Method] Taking orange peel as material,raw pectin was extracted from it with the method of acid hydrolysis deposition.[Result] The maximum extracting rate of raw pectin could be obtained under the following conditions: The temperatures was 85 ℃,the ratio of orange peel over hydrochloric acid is 1:8,pH value was 2.0,the stirring time was 45 minutes,the concentration of alcohol as detergent was 90% after filtering.[Conclusion] The optimized extracting condition gotten from this research might provide experimental basis for the comprehensive application of orange peel.
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