Table 1.

Composition of the experimental diets

	Group I (without tsumire)	Group II (with tsumire)
Caseina	20·0	17·7
l-cystine	0·30	0·26
β-Cornstarch	39·7486	35·0886
α-Cornstarch	13·2	13·2
Sucrose	10·0	10·0
Soybean oil	7·0	6·9
Cellulose	5·0	5·0
Mineral mix, AIN-93G-MXb	3·5	–
Modified mineral mix	–	3·5
Calcium carbonate	–	1·2
Monopotassium phosphate	–	0·7
Tripotassium citrate	–	0·2
Vitamin mix, AIN-93-VXc	1·0	1·0
Choline bitartrate	0·25	0·25
Butylhydroquinone	0·0014	0·0014
Tsumire dry powder	–	5·0
Total (%)	100	100

Experimental diets were prepared as described in our previous report but with a slight modification⁽¹³⁾.

^aCasein are from milk.

^bMineral mix, AIN-93G-MX contains CaCO₃, KH₂PO₄, K₃C₆H₅O₇·H₂O, NaCl, K₂SO₄, MgO, FeC₆H₅O₇·XH₂O, ZnCO₃, MnCO₃, CuCO₃ Cu(OH)₂·H₂O, KIO₃, Na₂SeO₄, (NH₄)Mo₇O₂₄·4H₂O, Na₂SiO₃·9H₂O, CrK(SO₄)·12H₂O, LiCl, H₃BO₃, NaF, NiCO₃ 2Ni(OH)₂·4H₂O, NH₄VO₃ and sucrose.

^cVitamin mix, AIN-93-VX contains nicotinic acid, potassium pantothenate, pyridoxine hydrochloride, thiamin hydrochloride, riboflavin, folic acid, D-biotin, vitamin B₁₂, vitamin E, vitamin A, vitamin D₃ (cholecalciferol), vitamin K₁ (phylloquinone) and sucrose.