Table 1.
Effect of extracts with different concentrations on glycation inhibition.

Sample	Concentration (mg/mL)	Inhibitory effects (%)
		Early stage	Middle stage	Last stage
		NBT assay	BSA-MGO assay	RNase-ribose assay
		Aminoguan idine (AG) *	0.01	-	48.51±1.50	-
			0.1	-	65.66±4.85	19.88±3.74
1	-		90.35±0.68	73.36±2.10
Rutin*	0.01	-	34.4±2.09	7.66±4.57
	0.1	-	73.61±1.33	63.39±4.91
	1	-	100±3.40	96.05±2.10
(+) Catechin *	0.01	17.62±3.52	39.52±1.55	19.59±4.71
	0.1	59.47±1.58	37.19±2.75	61.90±2.17
	1	19.82±0.87	-	97.04±2.16
(-) Epicatechin *	0.01	19.38±4.28	35.58±3.70	28.57±2.93
	0.1	55.50±2.51	37.51±4.95	57.99±4.02
	1	8.37±0.17	23.98±4.36	91.65±0.12
Aloe vera leaf CW	0.01	-	-	-
	0.1	-	-	-
	1	-	-	5.17±1.12
Aloe vera leaf HW	0.01	-	-	-
	0.1	-	-	-
	1	-	-	4.85±2.98
Aloe vera leaf 60%EtOH	0.01	-	-	-
	0.1	-	-	-
	1	-	-	31.71±0.62
Aloe vera leaf chlorofrom	0.01	-	-	81.83±4.07
	0.1	-	-	98.00±2.65
	1	-	15.25±12.29	99.98±1.58
Aloe vera leaf chlorofrom: EtOH (3:1, v/v)	0.01	-	-	32.05±3.65
	0.1	-	1.92±0.11	66.23±3.91
	1	-	86.92±1.29	76.53±0.50
Aloe vera leaf hexane	0.01	-	-	6.18±4.48
	0.1	-	-	21.59±4.48
	1	-	-	61.27±5.94
Aloe vera leaf 95% EtOH	0.01	14.24±1.78	0.88±0.73	11.89±0.01
	0.1	16.36±7.00	11.86±3.57	30.65±3.31
	1	28.18±9.38	30.53±2.71	70.00±0.12
Aloe vera leaf 95% acetone	0.01	21.21±0.93	-	16.025±5.04
	0.1	25.45±0.93	-	40.60±0.30
	1	34.85±1.83	-	92.77±0.81
Aloe vera leaf 60% acetone	0.01	-	-	-
	0.1	-	-	2.54±3.53
	1	-	-	42.31±2.64
Aloe arborescens leaf CW	0.01	-	-	-
	0.1	-	-	-
	1	-	-	-
Aloe arborescens leaf HW	0.01	-	-	-
	0.1	-	-	-
	1	-	8.22±3.69	-
Aloe arborescens leaf 60% EtOH	0.01	-	-	-
	0.1	-	-	-
	1	-	15.51±5.09	31.57±3.55
Aloe vera callus CW	0.01	-	-	-
	0.1	-	-	-
	1	-	6.04±2.21	17.64±3.35
Aloe vera callus HW	0.01	-	-	-
	0.1	-	-	-
	1	-	22.00±3.66	14.50±2.31
Aloe vera callus 60% EtOH	0.01	17.4±9.92	-	8.80±3.43
	0.1	23.93±3.29	-	3.65±4.83
	1	35.75±4.60	9.68±2.55	46.11±0.30
Portulaca oleracea CW	0.01	-	-	-
	0.1	-	-	-
	1	-	14.19±2.62	6.35±3.77
Portulaca oleracea HW	0.01	28.93±6.01	-	12.02±0.65
	0.1	34.54±3.23	-	12.266±3.62
	1	45.60±7.72	8.22±3.69	15.56±5.59
Portulaca oleracea 60% EtOH	0.01	33.18±8.52	-	13.16±5.99
	0.1	22.57±8.19	-	12.95±0.60
	1	32.75±7.76	15.51±5.09	32.75±4.21
Cacao bean husk CW	0.01	41.81±5.51	-	22.33±4.30
	0.1	34.54±2.24	-	25.30±4.86
	1	26.66±3.06	27.19±5.47	38.16±2.01
Cacao bean husk HW	0.01	28.48±7.83	-	18.83±4.98
	0.1	23.78±5.37	-	28.89±5.06
	1	-	-	37.40±3.23
Cacao bean husk 60% EtOH	0.01	-	-	-
	0.1	-	-	8.69±4.23
	1	-	32.92±1.09	71.661.53

AG, rutin, (+) catechin and (-) epicatechin were used as positive controls.