Shoichi Tokutake

Procyanidin B1 Is Detected in Human Serum after Intake of Proanthocyanidin-rich Grape Seed Extract

Atsushi Sano, Jun Yamakoshi, Shoichi Tokutake et al. · Bioscience Biotechnology and Biochemistry · 2003 · 222 citations

Human Body, Nutrition, Polyphenolics +15

Lightening Effect on Ultraviolet‐Induced Pigmentation of Guinea Pig Skin by Oral Administration of a Proanthocyanidin‐Rich Extract from Grape Seeds

Jun Yamakoshi, Fujio Otsuka, Atsushi Sano et al. · Pigment Cell Research · 2003 · 171 citations

Nutrition, Polyphenolics, Allergy +15

Procyanidin-Rich Extract from Grape Seeds Prevents Cataract Formation in Hereditary Cataractous (ICR/f) Rats

Jun Yamakoshi, Makoto Saito, Shigehiro Kataoka et al. · Journal of Agricultural and Food Chemistry · 2002 · 106 citations

Nutrition, Carotenoid, Biochemistry +15

Oral intake of proanthocyanidin‐rich extract from grape seeds improves chloasma

Jun Yamakoshi, Atsushi Sano, Shoichi Tokutake et al. · Phytotherapy Research · 2004 · 105 citations

Effect of Proanthocyanidin-Rich Extract from Grape Seeds on Human Fecal Flora and Fecal Odor

Jun Yamakoshi, Shoichi Tokutake, Mamoru Kikuchi · Microbial Ecology in Health and Disease · 2001 · 91 citations

Nutrition, Fecal Odor, Green Tea Extract +11