Antioxidant Properties of Crude Extract, Partition Extract, and Fermented Medium of Dendrobium sabin Flower

Table 2

The extraction yield, TPC, and antioxidant capacities of partitioned extract.

Crude extract using methanol	100% methanol (C 100)			Acidified methanol (C A)
Yield extract (%)	18.9			22.5
TPC (mg GAE/g extract)	26.82 ± 5.02			27.43 ± 0.38
Further partition method	EA 100	W 100	H 100	EA A	W A	H A
Yield extract (%)	1.2	13.4	1.2	1.5	15.3	1.3
TPC (mg GAE/g extract)		21.30 ± 1.80	17.46 ± 0.62		18.66 ± 1.10	22.74 ± 1.30

The TPC results are presented as mean ± SD. Post hoc (Tukey) test shows no significant difference between TPC of 100% methanol (C 100) and acidified methanol (C A) crude extracts but shows significant difference in TPC between ethyl acetate extract (EA 100; EA A) and water layer extract (W 100; W A) and hexane extract (H 100; H A) at ().