Thai Fruits Exhibit Antioxidant Activity and Induction of Antioxidant Enzymes in HEK-293 Cells

Table 1

Yield of methanol extracts, total phenolic and flavonoid contents, and DPPH scavenging activities of Thai fruit extracts.

Fruits; (ripe stage)	Scientific name	Yield of crude extract (% FW)	Total phenolic content; (mg GAE/100 g FW)	Total flavonoid content; (mg QE/100 g FW)	DPPH scavenging activity; (% inhibition at 1 mg/mL)
Mao khai pla (Thai)	Antidesma ghaesembilla Gaertn.	4.83	98.38 ± 6.48	134.06 ± 2.90	67.65 ± 0.31
Champedak	Artocarpus integer (Thumb.) Merr.	6.85	21.45 ± 2.28	158.31 ± 1.02	15.42 ± 1.52
Bilimbi	Averrhoa bilimbi L.	2.68	33.77 ± 1.37	55.33 ± 0.70	30.66 ± 1.96
Durian	Durio zibethinus L. cultivar Mon Thong	4.86	9.65 ± 0.71	93.85 ± 0.36	6.80 ± 0.97
Escobillo	Malpighia glabra L.	4.40	723.83 ± 36.94	195.36 ± 0.14	96.62 ± 0.44
Horse mango	Mangifera foetida Lour.	6.74	38.83 ± 3.15	46.13 ± 1.85	25.63 ± 1.32
Mango	Mangifera indica L. cultivar Aok Rong	9.12	45.39  ±  1.33	ND	44.85 ± 0.71
Pisang Awak	Musa paradisiaca L. cultivar Awak	7.24	0.34 ± 0.15	3.70 ± 1.31	5.15 ± 1.15
Santol	Sandoricum koetjape (Burm. f.) Merrill cultivar Tuptim	9.28	241.01 ± 16.51	851.49 ± 0.30	84.73 ± 1.38
Malay apple, Pomerac	Syzygium malaccense (L.) Merr. & Perry	4.28	29.55 ± 0.91	3.99 ± 1.65	16.75 ± 1.08
Jujube	Ziziphus jujuba Mill. cultivar Milk Jujube	7.63	45.29 ± 3.45	1.36 ± 1.67	4.45 ± 0.91

ND = not detected.