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Table 6 Quantification of phenols and flavonoids in different solvent extracts of C. angustifolia

From: Pharmacologically active flavonoids from the anticancer, antioxidant and antimicrobial extracts of Cassia angustifolia Vahl

S.No

Plant extracts/ chemicals

(all 400 μg/mL)

Total phenolic contents

(amg of GAE/g of extract)

Total flavonoid content

(bmg QE/g dried extract)

1

Methanol

2.328 ± 0.003**

5.00 ± 0.04**

2

Ethanol

1.769 ± 0.001**

3.73 ± 0.08**

3

Acetone

1.535 ± 0.004**

3.31 ± 0.06**

4

Ethyl acetate

1.318 ± 0.002*

3.70 ± 0.04**

5

Aqueous

0.535 ± 0.002**

1.29 ± 0.03**

  1. Values are expressed as mean ± standard deviation mg of the extracts (observations of three replicates of each sample extract)
  2. (*), and (**), significant at level P ≤ 0.01 and 0.001, respectively
  3. (a) Gallic Acid Equivalent per gram of dry weight (mg GAE/gm). (b) Quercetin Equivalent per gram of dry weight (mg QE/gm)