Yoshinobu Osawa

Platyconin, a new acylated anthocyanin in Chinese bell-flower, Platycodon grandiflorum☆

N. Saitǒ, K. Hayashi, Yoshinobu Osawa, 1971 .

Chapter 2 – Copigmentation of Anthocyanins

Yoshinobu Osawa, 1982 .

Isolation of a blue-violet pigment from the flowers ofPlatycodon grandiflorum

N. Saitǒ, K. Hayashi, Yoshinobu Osawa, 1972, The botanical magazine = Shokubutsu-gaku-zasshi.