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. 2021 Jun 14;11(6):1562. doi: 10.3390/nano11061562

Table 2.

Total polyphenols, flavonoids and condensed tannins from N. alba root extract and AuNPRn. Abbreviations: GA, gallic acid; TA, tannic acid; Q, quercetin; R, rutin; C, catechin; Eq, equivalent.

Sample Total Polyphenols Total Flavonoids Total Condensed Tannins
(mg GAEq/g Sample) (mg TAEq/g Sample) (mg QEq/g Sample) (mg REq/g Sample) (mg CEq/g Sample)
R extract 572.16 ± 4.91 606.35 ± 5.26 22.35 ± 0.96 14.38 ± 0.97 1.70 ± 0.13
AuNPR1 39.65 ± 1.43 42.08 ± 1.50 15.52 ± 0.82 10.03 ± 0.89 0.04 ± 0.00
AuNPR2 0.43 ± 0.05 0.46 ± 0.03 - - -
AuNPR3 28.89 ± 0.99 30.55 ± 1.23 5.22 ± 0.33 3.17 ± 0.26 0.02 ± 0.00
AuNPR4 33.00 ± 1.17 34.95 ± 2.01 - - -
AuNPR5 22.84 ± 0.86 24.07 ± 0.94 7.78 ± 1.45 4.87 ± 0.72 0.03 ± 0.00

- Negative/unidentified. R extract—N. alba root extract.