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Table 2 Identification and quantification of flavonoids and phenolics of seven crude extracts of R. arvensis through spectrophotometry and high performance liquid chromatography

From: Antioxidant and phytochemical analysis of Ranunculus arvensis L. extracts

Total flavonoids and total phenolics ± SD

HPLC profile

Extract

mg RE/g dry extract

GAE/g dry extract

RT (min)

λ max (nm)

Compound

% of dry weight

Chloroform extract

 

Chloroform:methaol extract

1.95 ± 0.01

 

Methanol extract

6.00 ± 0.02

0.48 ± 0.03

15.00

257

Rutin

0.44

10.79

325

Caffeic acid

0.017

Methanol:acetone extract

1.08 ± 0.01

 

Acetone extract

0.96 ± 0.01

 

Methanol:water extract

5.72 ± 0.01

1.06 ± 0.02

15.02

257

Rutin

0.01

Water extract

2.19 ± 0.01

1.43 ± 0.01

10.68

325

Caffeic acid

0.008

  1. SD ±standard deviation, RT retention time.