. 2014 Mar 31;2014:480545. doi: 10.1155/2014/480545

Table 1.

In vitro carbohydrate metabolizing enzymes inhibition activities (%) of Ducrosia anethifolia total extract and isolated linear furanocoumarins.

Concentrations (µg/mL)	Acarbose (positive control)	Total extract	Psoralen (1)	5-methoxypsoralen (2)	Imperatorin (4)	Isooxypeucedanin (5)	Oxypeucedanin hydrate (8)
			α-amylase inhibition%
10	32.20 ± 1.29^a	31.20 ± 2.34^a	16.48 ± 0.98^e	17.59 ± 0.60^e	28.27 ± 2.97^d	19.21 ± 1.08^e	18.40 ± 1.10^e
50	35.19 ± 348^c	29.33 ± 4.13^a	24.78 ± 2.24^b	28.70 ± 1.04^a	34.16 ± 1.04^c	22.11 ± 1.22^b	23.33 ± 2.45^b
100	47.37 ± 4.15^g	45.00 ± 5.06^g	28.34 ± 1.89^e	34.29 ± 3.11^d	45.15 ± 6.18^g	24.14 ± 2.00^f	25.30 ± 1.99^f
500	52.55 ± 4.49^c	49.97 ± 6.19^c	39.65 ± 2.80^b	45.12 ± 3.33^a	52.26 ± 5.69^c	39.77 ± 3.20^b	37.08 ± 2.00^b
1000	71.34 ± 2.65^d	70.77 ± 8.87^d	50.50 ± 1.10^b	58.10 ± 2.14^a	67.56 ± 4.67^c	51.20 ± 3.40^b	53.50 ± 1.10^b
LSD 5%	5.88	4.99	3.9	4.32	5.18	4.99	7.90

			α-glucosidase inhibition%
10	29.94 ± 2.04^b	28.89 ± 6.67^b	23.00 ± 3.03^c	25.15 ± 3.08^c	28.89 ± 2.90^b	24.33 ± 2.00^c	24.28 ± 2.13^c
50	43.25 ± 3.09^c	40.20 ± 6.79^c	33.55 ± 4.73^b	34.81 ± 23.68^b	37.76 ± 6.18^a	32.12 ± 1.28^b	31.68 ± 5.00^b
100	52.45 ± 4.67^d	47.30 ± 5.58^c	41.65 ± 2.00^a	45.20 ± 2.45^d	46.56 ± 2.46^c	39.90 ± 6.50^a	40.23 ± 4.56^a
500	69.14 ± 4.15^c	56.25 ± 7.29^b	42.75 ± 1.79^a	48.00 ± 2.78^d	55.67 ± 6.78^b	41.51 ± 2.88^a	42.91 ± 2.60^a
1000	85.33 ± 2.47^c	74.25 ± 8.09^b	59.85 ± 2.90^e	64.39 ± 1.78^d	69.66 ± 3.67^b	52.31 ± 2.50^a	51.67 ± 2.60^a
LSD 5%	5.90	10.99	4.90	5.93	5. 94	5.77	5.99

			%
10	45.85 ± 2.90^a	42.20 ± 5.57^a	17.90 ± 4.32^c	23.56 ± 4.31^b	34.54 ± 4.20^d	19.90 ± 6.22^c	18.90 ± 2.32^c
50	55.90 ± 4.70^a	50.00 ± 8.90^d	35.35 ± 9.00^b	34.77 ± 5.90^b	39.79 ± 5.90^c	33.90 ± 4.40^b	33.26 ± 5.06^b
100	59.00 ± 6.10^a	55.67 ± 8.80^h	37.86 ± 5.48^c	39.46 ± 6.35^b	53.90 ± 6.80^d	36.30 ± 4.35^c	35.80 ± 5.67^c
500	78.56 ± 5.78^a	77.30 ± 4.56^a	54.33 ± 5.41^c	62.34 ± 5.99^b	69.90 ± 6.50^d	50.70 ± 4.71^c	48.70 ± 3.56^e
1000	83.66 ± 6.51^a	78.66 ± 9.01^h	56.00 ± 5.01^c	65.31 ± 4.17^b	72.86 ± 4.41^d	54.34 ± 4.57^c	56.09 ± 4.41^c
LSD 5%	11.00	11.00	13.1	12.7	11.20	12.99	12.96

Data are means ± SD of three replicates in each group. Statistical analysis is carried out using CoStat Computer Program coupled with post hoc (least significance difference LSD), where the unshared letter is significantly different at P ≤ 0.05.