Y. Kubota

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

M. Kikuchi, J. Yamakoshi, S. Tokutake, 2003, Bioscience, biotechnology, and biochemistry.

Lightening effect on ultraviolet-induced pigmentation of guinea pig skin by oral administration of a proanthocyanidin-rich extract from grape seeds.

F. Otsuka, M. Kikuchi, M. Saito, 2003, Pigment cell research.

Soy isoflavone aglycones are absorbed faster and in higher amounts than their glucosides in humans.

M. Kikuchi, A. Obata, M. Saito, 2000, The Journal of nutrition.

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

T. Mitsuoka, M. Kikuchi, J. Yamakoshi, 2001 .

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

F. Otsuka, M. Kikuchi, Y. Kawachi, 2004, Phytotherapy research : PTR.