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3356321: ½ð±Ò+10, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2012-04-17 08:07:31
Mally89: ½ð±Ò+1, ¸ÐлӦÖú£¡~»¶Ó­³£À´£¡~ºðºð£¡~\(^o^)/~ 2012-04-20 12:56:58
3356321: ½ð±Ò+10 2012-04-20 18:38:49
It established method for determining total saponin in Qian Panax japonicus, which is spectrophotometry. In the color reaction of Vanillin-Sulfric acid- methanol system, the determined wavelength is 496 nm. The linear relationship is good in 7.03-35.2¦Ìg/mL range and the regression function is A=0.0012+0.004716¡ÁC, in which the related coefficient is r = 0.9991.  The average mark(?) recycling ratio is 99.15%.
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