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xiaoyu1120: ½ð±Ò+10, ·ÒëEPI+1 2013-06-23 17:49:57
xiaoyu1120: ½ð±Ò+10, ·ÒëEPI+1 2013-06-23 17:49:57
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The peak at 771 cm-1 is a combinative contribution from the various glycosides in Sample A before hydrolyzing, which has a red shift to 775 cm-1 after heating. It¡¯s reported that the fructose hydrolyzed from the glycosides in Sample A can react with amino acids and produce nigerose, which makes the sample turn black after heating. Ps£»Æ×·åÎ»ÒÆµ½775cm-1Ó¦¸ÃÊǺìÒÆ |
2Â¥2013-06-22 21:09:55














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