Table 1.
Antihyperglycemic potential of the red rice genotypes.
| Red Rice Genotypes | α-Amylase IC50 (µg/mL) |
α-Glucosidase IC50 (µg/mL) |
DPP IV IC50 (µg/mL) |
PTP 1B IC50 (µg/mL) |
|---|---|---|---|---|
| Kattuyanam | 2.75 ± 0.09 a | 22.39 ± 0.08 c | 2.18 ± 0.08 c | 31.39 ± 0.18 c |
| Chennangi | 5.71 ± 0.07 c | 18.51 ± 0.13 b | 5.68 ± 0.14 d | 38.57 ± 0.21 d |
| Karungkuruvai | 4.28 ± 0.11 b | 24.62 ± 0.12 d | 1.66 ± 0.06 b | 30.89 ± 0.16 b |
| Sona masuri (White rice) |
58.64 ± 1.15 d | 82.35 ± 0.19 e | 72.57 ± 1.30 e | ND |
| Positive controls | 2.67 ± 0.08 a (Acarbose) |
11.24 ± 0.12 a (Acarbose) |
1.19 ± 0.14 a (Sitagliptin) |
28.41± 0.19 a (Sodium orthovanadate) |
Data are expressed as mean ± standard deviation (n = 3). Different alphabets within the same column indicate significant differences across rice varieties at p ≤ 0.05. DPP IV—Dipeptidyl peptidase IV, PTP1B—Protein tyrosine phosphatase 1B.