Table 2

Groups	GHb (%)	HbA 1c	Glycated protein
Groups	GHb (%)	HbA 1c	(nmol/mg protein)
Negative Control	8.9 ± 0.06	7.9 ± 0.98	15.3 ± 1.47
Positive control	27.6 ± 1.34	17.5 ± 1.56	23.7 ± 2.19
1	17.1 ± 0.30^a	13.6 ± 1.59^a	19.1 ± 2.04^a
2	16.2 ± 0.36^a	12.6 ± 0.83^a	18.0 ± 3.11^a
3	15.8 ± 0.19^a	11.9 ± 0.52^a	18.8 ±1.57^a
4	18.4 ± 0.14^a	14.4 ± 0.73^a	19.8 ± 1.43^a
5	20.8 ± 0.38^a	15.1 ± 0.31^a	20.3 ± 1.43^a
6	22.3 ± 0.59^a	16.0 ± 1.86^a	20.9 ± 2.28^a
7	23.9 ± 0.87^a	16.9 ± 1.25^a	21.7 ± 3.19^a
8	14.7 ± 1.34^a	11.0 ± 0.17^a	17.4 ± 1.64^a
Glutathione	8.1 ± 0.08^a	9.0 ± 0.67^a	-
Aminoguanidine	15.1 ± 0.67^a	13.1± 0.45^a	20.4 ± 1.87^a

Negative control: Incubation with hemoglobin (0.468 mMol/ml), positive control: Incubation with hemoglobin (0.468 mMol/ml)+glucose (0.278 mM), guaianolides Incubation with hemoglobin (0.468 mMol/ dl)+glucose (0.278 mM)+guaianolides (6.57 mMol/ml), glutathione: Incubation with hemoglobin (0.468 mMol/ dl)+glucose (2.7 mM)+glutathion (0.5 mM). Data as expressed as ± SD; aP< 0.05 vs positive control values.

Table 2: The inhibitory effects of 1-8 on glycosylated protein, hemoglobin GHb and HbA1c.