Table 2 Serum insulin level, HOMA-IR and HOMA-β scores of type 2 diabetic rats given lemongrass tea ad libitum

251.60 ± 50.10^d

147.40 ± 80.90^a

208.10 ± 80.80^b

214.70 ± 21.00^b,c

225.30 ± 24.40^c

268.90 ± 57.90^d

55.90 ± 11.10^a

86.30 ± 47.30^c

76.40 ± 28.60^b

61.50 ± 6.00^a

74.00 ± 8.00^b

64.40 ± 13.90^a

15.90 ± 3.18^d

3.55 ± 1.95^a

7.72 ± 3.00^b

10.60 ± 1.03^c

9.68 ± 1.04^c

15.40 ± 3.24^d