Total phenolic and flavonoid contents and in vitro antioxidant and anti-diabetic activities of P. oceanica extract and its fractions against α-glucosidase enzyme.

Extract	Phenolic content (mg gallic acid/g extract)	Flavonoid content (mg rutin/g extract)	DPPH (IC50, μg mL−1)	α-Glucosidase (IC50, μg mL−1)
BuOH	200.20 ± 1.09	40.17 ± 0.11	10.5	4.8 ± 0.3
EtOAc	140.25 ± 1.01	20.34 ± 0.27	30.4	8.9 ± 0.4
Total alcohol	120.37 ± 1.17	20.35 ± 0.03	76.3	24.8 ± 2
Acarbose (SD)	—	—	—	4.5 ± 0.27