Table 2. Cry1Ac and Cry2Ab protein content in different food types of the silkworm Bombyx mori.

Pollen	Density(mg/ml)	Contents of transgene proteins ± SD (ng/ml)
		Cry1Ac	Cry2Ab
ZMSJ	100	57.3±2.8	9.2±2.3
	10	5.7±0.3	0.9±0.2
ZMKCKC	100	54.5±2.3	0
	10	5.4±0.2	0
Non-Bt	100	0	0
	10	0	0
Control	0	0	0