Table 2. Effect of eriodictyol on the incidence of colonic polyps in the colon of control and experimental rats.

Groups	Number of rats examined	Number of tumour-bearing rats	Total number of tumours/polyps	Percentage incidence of polyps a	Percentage inhibition of polyps	Average number of polyps-bearing rats b
Control	8	0	Nil	Nil	—	Nil
DMH	8	8	19	100	0	2.38
Eriodictyol	8	0	Nil	Nil	—	Nil
Initiation	8	6	10	75	25	1.67
Post-initiation	8	5	4	62.5	37.5	0.80
Entire period	8	3	2	37.5	62.5	0.67

^a(Number of polyps-bearing rats/total number of rats examined in each group) × 100.

^bTotal number of polyps/number of polyps tumour-bearing rats in each group.