Abstract
Determination of the content of total flavonoids in fruit of A.trifoliatus(L.) Merr. was studied.The total flavonoids in fruit of A.trifoliatus(L.) Merr.were extracted by ultrasound assisted method,ad then determined at 510nm by spectrophotometry with rutin as standard control. The result showed that the regression equation of rutin was A = 1.0471C -0.0012,r=0.9997,and the RSD for precision experiment was 1.653%,RSDs for the stability experiment were 2.011% (rutin) and 1.967%[A trifoliatus(L.) Merr.].The average recovery was 101%,with RSD of 1.961%(n = 6).The content of total flavonoids was determined by spectrophotometry,which was easy to operate with accurate result,high sensitivity and good reproducibility,and was used to determine total flavonoids in fruit of A.trifoliatus(L.) Merr.with the accurate result of 76.93mg/g.
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Claims 7
Claim · model-written summary
The rutin calibration had a regression coefficient of 0.9997.
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e0“r=0.9997”
t0“A.trifoliatus(L.) Merr.”
Claim · model-written summary
The precision experiment RSD was 1.653%.
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e0“RSD for precision experiment was 1.653%”
t0“A.trifoliatus(L.) Merr.”
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Rutin stability RSD was 2.011%.
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e0“RSDs for the stability experiment were 2.011% (rutin)”
t0“A.trifoliatus(L.) Merr.”
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Fruit sample stability RSD was 1.967%.
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e0“1.967%[A trifoliatus(L.) Merr.]”
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Average recovery was 101%.
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e0“The average recovery was 101%”
t0“A.trifoliatus(L.) Merr.”
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Recovery RSD was 1.961%.
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e0“RSD of 1.961%(n = 6)”
t0“A.trifoliatus(L.) Merr.”
Claim · model-written summary
Total fruit flavonoid content was 76.93mg/g.
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e0“total flavonoids in fruit of A.trifoliatus(L.) Merr.with the accurate result of 76.93mg/g”