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논문 기본 정보

자료유형
학술저널
저자정보
Ai-Nong Yu (Hubei University for Nationalities) Qi-Hui Deng (Hubei University for Nationalities)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 18. no 6
발행연도
2009.12
수록면
1,495 - 1,499 (5page)

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The volatiles formed from the reactions of L-ascorbic acid with L-alanine at 5 different pH (5, 6, 7, 8, or 9) and 140±2℃ for 2 hr was performed using solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS) analysis were identified to be 25 different kinds. The reaction between L-ascorbic acid and L-alanine led mainly to the formation of pyrazines. Many of these were alkylpyrazines, such as 3-ethyl-2,5-dimethylpyrazine, 2,5-dimethylpyrazine, 2-ethyl-5-methylpyrazine, 3,5-diethyl-2-methylpyrazine, methylpyrazine, 2-ethyl-6-methylpyrazine, and 2,3-diethyl-5-methylpyrazine, other compounds identified were furans, phenols, benzoquinones, 2,4,6-trimethylpyridine, and 2-methylbenzoxazole. The studies showed that furans, such as furfural and benzofuran were formed mainly at acidic pH. In contrast, higher pH values could promote the production of pyrazines.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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