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Table 1 Total phenolic, flavonoid and extraction yield of ethanolic extract and solvent fractions of R. anthopogonoides

From: Antioxidant potential, total phenolic and total flavonoid contents of Rhododendron anthopogonoides and its protective effect on hypoxia-induced injury in PC12 cells

Extract/fractions Extract yield (%) Total flavonoid (mg RU/ g extract) Total phenlics (mg GAE/ g extract)
Crude extract 19.93 % 231.37 ± 4.56c 165.00 ± 19.39c
Hexane 1.76 % 35.07 ± 0.51a 62.00 ± 2.82b
Ethyl acetate 8.74 % 264.71 ± 19.10d 218.36 ± 25.84d
n-butanol 3.97 % 283.55 ± 12.92d 225.16 ± 25.77d
Water 3.15 % 48.60 ± 3.10b 39.26 ± 6.00a
  1. Value represents as mean ± SD of triplicate experiments. Values in the same column followed by a different letter (a–d) are significantly different (p < 0.05)