Beefsteak plant

Female rats were fed a semipurified diet supplemented with safflower oil or perilla oil (from seeds of the beefsteak plant, Perillafrutescens), mated at 11 wk of age, and the male progeny (F i) were weaned at 3 wk of age to the diet of the dam. These diets brought about... 

Reactions may be seen to Cynara scolymus in market gardeners [224], food handlers, vegetable sellers [225], and workers cleaning artichokes [223], and to parsley and parsnip in kitchen workers [201, 204, 205]. In Japan, persons who wrap leaves of the beefsteak plant, Perilla frutescens (shiso) are prone to develop allergic contact dermatitis, apparently from L-perillaldehyde [226]. Mustard caused contact dermatitis in a salad maker [227]. Patch testing can be done with synthetic oil of mustard [228] (0.1% allylisothiocyanate). 

VIA 3, Q, All but Perilla frutescens ( rple mint, beefsteak plant) are hepatotoxins. 

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