Improvement of skin conditions by ingestion of Aspergillus kawachii (Koji) extract containing 14-dehydroergosterol in a randomized, double-blind, controlled trial
Yoshihiko Sugihara,1 Shigehito Ikushima,1 Mika Miyake,1 Takayoshi Kirisako,2 Yukihiro Yada,3 Daisuke Fujiwara2 1Research Laboratories for Health Science and Food Technologies, 2Central Laboratories for Key Technologies, Research and Development Division, Kirin Company, Limited, Yokohama, 3Doctorate Program in Human Biology, School of Integrative an