[논문]Novel oxidation products of cyanidin 3-O-glucoside with 2,2'-azobis-(2,4-dimethyl)valeronitrile and evaluation of anthocyanin content and its oxidation in black rice

Kamiya, H.; Yanase, E.; Nakatsuka, S.i.

doi:10.1016/j.foodchem.2014.01.077

Novel oxidation products of cyanidin 3-O-glucoside with 2,2'-azobis-(2,4-dimethyl)valeronitrile and evaluation of anthocyanin content and its oxidation in black rice

Food chemistry, v.155, 2014년, pp.221 - 226

Kamiya, H. , Yanase, E. , Nakatsuka, S.i.

Abstract ▼ AI-Helper

The radical oxidation mechanism of anthocyanin derivatives was investigated by the reaction of cyanidin 3-O-glucoside in the presence of radical initiator 2,2'-azobis-(2,4-dimethyl)valeronitrile (AMVN) in EtOH and aqueous CH3CN. Six different oxidation products were isolated, depending on the solvent employed. These products were identified using NMR spectroscopy and multistep derivatisation reactions. Of the products obtained, two novel oxidised anthocyanin derivatives were isolated from black rice under prolonged storage. A radical reaction mechanism is proposed on the basis of these reaction products. Quantification of oxidised anthocyanins in black rice is demonstrated as a method to verify freshness of the rice.

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참고문헌 (24)

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표제어: PCR

동의어: Packet Collision Rate

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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Novel oxidation products of cyanidin 3-O-glucoside with 2,2'-azobis-(2,4-dimethyl)valeronitrile and evaluation of anthocyanin content and its oxidation in black rice

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참고문헌 (24)

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