FOOD SCIENCE ›› 2001, Vol. 22 ›› Issue (1): 30-33.
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XIE Xiang-Mao, DING Xiao-Wen, CHEN Jun-Qin
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Abstract: The extract of Rosa Laevigata Michx to remove great part of NO-2 in the duplicating pH condition as gastric juice.It eliminated more than 87 percent of nitrous acid in the optimum extraction conditions:0.1% citric acid as extraction solvent,the ratio of solid and liquid 1 to 3,60℃ temp. and 1 hour extraction time.The elements of Rosa Laevigata Michx extracts such as vitamin C,reducing sugar and flavonoid to work to remove NO-2.When in low pH (pH2~3),it has great capability of eliminating NO-2,but with increasing of the pH value,the capability of clearing up reduced sharply.
Key words: Rosa Laeviagta Michx Extraction Eliminating of NO-2
XIE Xiang-Mao, DING Xiao-Wen, CHEN Jun-Qin. Study on Extracts of Rosa Laevigata Michz to Remove NO2-[J]. FOOD SCIENCE, 2001, 22(1): 30-33.
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