Antioxidant and Glycemic Regulatory Properties Potential of Different Maturity Stages of Leaf of Ceylon Cinnamon (Cinnamomum zeylanicum Blume) In Vitro

Table 3

Antioxidant activity of different maturity stages of leaves of Ceylon cinnamon.

Leaf; extract	Antioxidant activity
	DPPH		ABTS		ORAC		FRAP
	(mg Trolox equivalents/g of extract)	(mg Trolox equivalents/g of sample)	(mg Trolox equivalents/g of extract)	(mg Trolox equivalents/g of sample)	(mg Trolox equivalents/g of extract)	(mg Trolox equivalents/g of sample)	(mg Trolox equivalents/g of extract)	(mg Trolox equivalents/g of sample)
Immature	16.54 ± 0.32	0.42 ± 0.01	140.67 ± 4.00	3.57 ± 0.10	27.86 ± 0.55	0.71 ± 0.01	12.11 ± 0.98	0.31 ± 0.02
Partly mature	18.32 ± 0.23	0.99 ± 0.01	227.63 ± 20.45	12.25 ± 1.10	46.72 ± 3.72	2.51 ± 0.20	17.01 ± 1.40	0.92 ± 0.08
Mature	260.66 ± 6.21	27.09 ± 0.65	422.46 ± 14.03	43.91 ± 1.46	179.97 ± 2.51	18.70 ± 0.26	665.44 ± 5.05	69.16 ± 0.52

Data represented as mean ± SEM. DPPH, ABTS, and ORAC n=4 each; FRAP n=3 each. Values in a column superscripted by different letters are significantly different at p < 0.05.