Skip to main content

Table 3 Content of antioxidant compounds in the methanol extract of freeze-dried powder of three Tuber species

From: Nutritional value, chemical composition and antioxidant activity of three Tuber species from China

  T. latisporum T. subglobosum T. pseudohimalayense
Total phenolsh 446.60 ± 3.8b 450.20 ± 3.4b 735.01 ± 2.5a
Total flavonoidsi 900.22 ± 14.72b 1355.43 ± 18.01a 611.26 ± 7.40c
Vitamin Cj 4.63 ± 0.01a 4.61 ± 0.01ab 4.59 ± 0.02b
Total carotenoidsk 170.63 ± 3.06b 144.33 ± 0.87c 271.33 ± 0.66a
Lycopenej 236.03 ± 0.80b 151.62 ± 0.32c 355.18 ± 0.46a
Gallicj nd 40.87 ± 0.42b 39.83 ± 0.46a
4-Hydroxybenzoicj 24.84 ± 0.05a nd 21.93 ± 0.63b
3,4-Dihydroxybenzaldehydej 62.71 ± 0.11a nd nd
Homogentisic acidj 61.03 ± 0.35a 23.03 ± 015c 64.13 ± 0.25b
p-Coumaric acidj nd nd nd
o-Coumaric acidj nd nd nd
  1. nd not detected
  2. a,b,cIn each row, the different letters represent significant differences between samples (p < 0.05); d % or g/100 g dw; e kcal/100 g; f mg/100 g dw; g % of total FA; h mg of GAE/100 g extract; i mg of Rutin/100 g extract; j g/100 g extract; k mg of β-carotene/100 g extract