Determination of Total Flavonoids in Larch by Spectrophotometry

doi:10.7506/spkx1002-6300-200922074

Abstract

Abstract:

The determination accuracy of flavonoids in larch using three kinds of spectrophotometry methods was compared on the basis of determination of dihydroquercetin in larch using HPLC. Results indicated that direct determination of flavoniods in larch exhibited more accuracy than Al(NO3)3 and AlCl3 colorimetry. The linear equation was Y ＝ 53.2714X＋0.0153 (r＝ 0.9999). The excellent linear was shown in the range of 0.004－0.024 mg/ml. The relative standard deviation of this determination method was 1.36% and average recovery rate was 99.9%.

Key words: spectrophotometry, larch, total flavonoids

CLC Number:

R284.1
O657.32

WANG Yu，WANG Sui*. Determination of Total Flavonoids in Larch by Spectrophotometry[J]. FOOD SCIENCE, 2009, 30(22): 314-317 https://doi.org/10.7506/spkx1002-6300-200922074

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Determination of Total Flavonoids in Larch by Spectrophotometry

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