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

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

Extract/fractions	Extract yield (%)	Total flavonoid (mg RU/ g extract)	Total phenlics (mg GAE/ g extract)
Crude extract	19.93 %	231.37 ± 4.56^c	165.00 ± 19.39^c
Hexane	1.76 %	35.07 ± 0.51^a	62.00 ± 2.82^b
Ethyl acetate	8.74 %	264.71 ± 19.10^d	218.36 ± 25.84^d
n-butanol	3.97 %	283.55 ± 12.92^d	225.16 ± 25.77^d
Water	3.15 %	48.60 ± 3.10^b	39.26 ± 6.00^a

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)

ISSN: 2662-7671