18 out of 19 female mice treated orally with different levels of mimosine in the drinking water were fertile. Subcutaneous injection of mimosine (400 mg/kg) to 23 pregnant mice, in a single dose on days 5, 10, 15 or 17, resulted in death and resorption or expulsion of dead embryos, except in one, early inoculated. L-Phenylalanine (600 mg/kg) injected subcutaneously on day 17 prevented abortion in 4 out of 5 mice subsequently injected with mimosine.
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