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Table 2 Total polyphenolic content (mg/g) and the results of antioxidant activities

From: Sources for developing new medicinal products: biochemical investigations on alcoholic extracts obtained from aerial parts of some Romanian Amaryllidaceae species

Samples

TPC mg GAE/g

Flavonoids mg RE/g

DPPH IC50 μg Trolox/mL

FRAP μM Trolox /100 mL

HAPX (100)

N. pseudonarcissus

19.74 ± 0.25a

4.92 ± 0.17c

>  200

220 ± 10e

11 ± 4

N. poeticus

15.25 ± 0.06b

2.47 ± 0.12c

>  200

274 ± 5e

ND*

G. nivalis

24.57 ± 1.42

12.56 ± 1.43

139.88 ± 5.11e

725 ± 18e

35 ± 12

L. vernum

16.49 ± 0.50b

7.10 ± 0.09d

>  200

238 ± 7e

ND*

Trolox

11.20 ± 0.20

2073.91 ± 26.08

  1. Notes: Each value is the mean ± SD of three independent measurements
  2. GAE gallic acid equivalent, RE rutin equivalent, Npn Narcissus pseudonarcissus, Np N. poeticus, Gn Galanthus nivalis, Lv Leucojum vernum
  3. ap < 0.05 (Gn versus Npn)
  4. bp < 0.001 (Gn versus Np, Gn versus Lv)
  5. cp < 0.001 (Gn versus Npn, Gn versus Np)
  6. dp < 0.05 (Gn versus Lv)
  7. ep < 0.001 (all samples versus Trolox); *ND – has not statistically significant effect