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中文
Journal
2002
,
Vol. 15
Issue (2)
: 41-44
DOI
:
Research Report
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Abstract
采用石油醚∶丙酮 (7∶3)混合液为提取剂 ,用薄层层析 -分光光度法测定白果中β-胡萝卜素的含量 .并对该法的精密度、准确性及稳定性进行了探讨 .在波长 450nm下 ,其回归方程为y=0 .0 50 9x+0 .0 0 0 5,相关系数γ=0 .9957.结果表明 ,白果中β-胡萝卜素含量为 2 1~ 2 4μg/g.
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[J]. Journal , 2013, 26(3): 38-40.
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