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. 2011 Apr 12;50(3):535–541. doi: 10.1007/s13197-011-0370-8

Table 1.

Percent yield, FRAP, total antioxidant, total phenols, flavonoids, tannin and flavonols values of different extracts of pod and seed of Clitoria fairchildiana

Seed extracts Pod extracts
Aqueous Ethanol Methanol Aqueous Ethanol Methanol
% yield 3.4 ± 0.01a 4.5 ± 0.02b 4.5 ± 0.01 b 3.7 ± 0.01 b 3.2 ± 0.03 a 3.9 ± 0.03 b
Total phenolics1 40.5 ± 1.0e 28.4 ± 0.2f 58.9 ± 0.3d 66.8 ± 1.0c 96.6 ± 0.1b 141.7 ± 0.4a
Antioxidant capacity2 64.1 ± 2.0f 125.6 ± 1.4e 146.2 ± 2.0d 152.8 ± 2.2c 227.8 ± 1.4b 352.0 ± 2.0a
FRAP values3 0.31±.01e 0.28 ± 0.01f 0.65 ± 0.0d 1.0 ± 0.01c 1.4 ± 0.0b 1.4 ± 0.0a
Total flavonoids4 27.7 ± 1.2f 92.7 ± 3.0b 86.3 ± 2.1c 41.3 ± 1.0e 74.3 ± 1.2d 126.0 ± 2.0a
Total flavonols5 0.38 ± 0.1e 9.46 ± 0.2b 5.9 ± 0.3c 1.2 ± 0.1d 6.5 ± 0.3c 17.1 ± 0.4a
Total tannins6 40.7 ± 2.0e 55.7 ± 3.0d 62.7 ± 1.2c 62.7 ± 1.0c 94.7 ± 1.0b 193.3 ± 3.0a

1 mg Gallic acid equivalent/gm extract; 2 mg Ascorbic acid equivalent /gm of the extract;

3 mM Fe2+/gm extract; 4 mg Catechin equivalent/gm extract; 5 mg Quercetin equivalent/gm extract; 6mg Catechin equivalent/gm extract.

FRAP: Ferric reducing antioxidant potential

Mean values with different alphabets in the row were significantly different (p < 0.05) from each other. Values were the means of three replicates ± standard deviation (SD).