noun
vitamin P; bioflavonoids
Historical term for a group of plant compounds (flavonoids) once considered a vitamin. No longer classified as a true vitamin in modern nutrition.
ビタミンPは、かつてビタミン様物質と考えられていた。
Vitamin P was once considered a vitamin-like substance.
柑橘類の皮にはビタミンPが豊富に含まれていると言われていた。
It was said that citrus peels are rich in vitamin P.