Novel antioxidants, 5-(3, 4-dihydroxyphenylmethyl)oxazolidine-2, 4-dione (1) and 3-(3, 4-dihydroxyphenyl)lactamide (2), have been isolated from roasted perilla seed. Compound 1 was the first example of non-synthetic oxazolidinedione.
Novel antioxidants, 5-(3, 4-dihydroxyphenylmethyl)oxazolidine-2, 4-dione (1) and 3-(3, 4-dihydroxyphenyl)lactamide (2), have been isolated from roasted perilla seed. Compound 1 was the first example of non-synthetic oxazolidinedione.