The Combined Extract of Purple Waxy Corn and Ginger Prevents Cataractogenesis and Retinopathy in Streptozotocin-Diabetic Rats

Table 1

Opacity index of the lens of normal and diabetic rats (DM) which received either vehicle or PWCG at doses of 50, 100, and 200 mg⋅kg⁻¹ BW for 10 weeks (/group). ,  value < 0.01 and 0.001, respectively, compared with control group. , ,  value < 0.05, 0.01, and 0.001 respectively, compared with diabetic rats which received vehicle (DM + vehicle).

Time duration	Opacity index of the lens (mean ± SEM)
	Control	DM + vehicle	DM + PWCG; (50 mg/kg⋅BW^−1)	DM + PWCG; (100 mg/kg⋅BW^−1)	DM + PWCG; (200 mg/kg⋅BW^−1)
Baseline	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
Week 1	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
Week 2	0.00 ± 0.00	0.06 ± 0.06	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00
Week 3	0.00 ± 0.00	0.50 ± 0.16^##	0.14 ± 0.10^*	0.50 ± 0.13	0.22 ± 0.10
Week 4	0.00 ± 0.00	1.00 ± 0.20^###	0.79 ± 0.24	1.00 ± 0.18	0.72 ± 0.23
Week 5	0.00 ± 0.00	1.81 ± 0.31^###	1.00 ± 0.21^*	1.25 ± 0.23	1.00 ± 0.28^*
Week 6	0.08 ± 0.08	2.25 ± 0.32^###	1.50 ± 0.29	1.50 ± 0.22	1.11 ± 0.31^**
Week 7	0.17 ± 0.11	2.50 ± 0.34^###	1.71 ± 0.29	1.88 ± 0.29	1.44 ± 0.41^*
Week 8	0.25 ± 0.13	3.06 ± 0.23^###	2.00 ± 0.30^*	2.19 ± 0.25^*	1.67 ± 0.40^***
Week 9	0.50 ± 0.15	3.81 ± 0.10^###	2.29 ± 0.35^***	2.38 ± 0.26^***	1.78 ± 0.39^***
Week 10	0.50 ± 0.15	4.00 ± 0.00^###	2.21 ± 0.37^***	2.63 ± 0.26^***	1.89 ± 0.40^***