Composition #6: Morikawa, Toshio., Ninomiya, Kiyofumi., Takamori, Yasunobu., Nishida, Eriko., Yasue, Misato., Hayakawa, Takao., Muraoka, Osamu., Li, Xuezheng., Nakamura, Seikou., Yoshikawa, Masayuki., Matsuda, Hisashi. Oleanane-type triterpene saponins with collagen synthesis-promoting activity from the flowers of Bellis perennis . phytochemistry, 2015, vol. 116, p. 203–212. DOI: 10.1016/j.phytochem.2015.05.011.
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