Research Article

In Vitro Antidiabetic, Antioxidant, and Cytotoxic Evaluation of Honeybush Tea (Cyclopia genistoides) Extracts

Table 3

Effect of Cyclopia genistoides extracts on fructosamine content at days 7 to 28.

Experimental groupsFructosamine content (μg/ml)
Day 7Day 14Day 21Day 28

BSA/fructose0.30 ± 0.010.34 ± 0.010.38 ± 0.010.45 ± 0.03
BSA/fructose/AG (1 μg/ml)0.27 ± 0.110.33 ± 0.020.40 ± 0.020.44 ± 0.07
BSA/fructose/AG (5 μg/ml)0.25 ± 0.000.29 ± 0.000.36 ± 0.000.39 ± 0.00
BSA/fructose/AG (10 μg/ml)0.23 ± 0.030.27 ± 0.010.27 ± 0.010.30 ± 0.00
BSA/fructose/AG (25 μg/ml)0.19 ± 0.020.27 ± 0.030.20 ± 0.030.23 ± 0.01
BSA/fructose/AG (100 μg/ml)0.18 ± 0.01#0.20 ± 0.000.11 ± 0.000.17 ± 0.00#
BSA/fructose/n-hexane (1 μg/ml)0.33 ± 0.000.33 ± 0.000.39 ± 0.050.33 ± 0.02
BSA/fructose/n-hexane (5 μg/ml)0.30 ± 0.000.30 ± 0.000.38 ± 0.020.29 ± 0.00
BSA/fructose/n-hexane (10 μg/ml)0.31 ± 0.010.31 ± 0.010.41 ± 0.000.27 ± 0.01
BSA/fructose/n-hexane (25 μg/ml)0.32 ± 0.000.32 ± 0.000.36 ± 0.010.27 ± 0.03
BSA/fructose/n-hexane (100 μg/ml)0.31 ± 0.000.31 ± 0.00∗∗0.37 ± 0.010.20 ± 0.00
BSA/fructose/DCM (1 μg/ml)0.36 ± 0.050.38 ± 0.020.34 ± 0.120.40 ± 0.02
BSA/fructose/DCM (5 μg/ml)0.32 ± 0.010.32 ± 0.010.33 ± 0.030.36 ± 0.00
BSA/fructose/DCM (10 μg/ml)0.37 ± 0.010.33 ± 0.010.34 ± 0.000.27 ± 0.01
BSA/fructose/DCM (25 μg/ml)0.40 ± 0.020.33 ± 0.000.33 ± 0.010.20 ± 0.03
BSA/fructose/DCM (100 μg/ml)0.39 ± 0.000.32 ± 0.000.32 ± 0.010.22 ± 0.00
BSA/fructose/70% ethanol (1 μg/ml)0.34 ± 0.040.34 ± 0.040.34 ± 0.040.38 ± 0.04
BSA/fructose/70% ethanol (5 μg/ml)0.28 ± 0.010.28 ± 0.010.28 ± 0.010.38 ± 0.01
BSA/fructose/70% ethanol (10 μg/ml)0.26 ± 0.000.26 ± 0.000.26 ± 0.000.22 ± 0.00
BSA/fructose/70% ethanol (25 μg/ml)0.21 ± 0.010.21 ± 0.010.21 ± 0.010.22 ± 0.01
BSA/fructose/70% ethanol (100 μg/ml)0.17 ± 0.01#0.10 ± 0.010.17 ± 0.010.11 ± 0.01#

Data are expressed as the mean ± standard deviation. (n = 3). # when compared to BSA/fructose/AG (100 μg/ml); when compared to BSA/fructose. (AG: aminoguanidine).