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

Atsushi Sano, Jun Yamakoshi, Shoichi Tokutake, +3

Bioscience Biotechnology and Biochemistry

Human BodyNutritionPolyphenolicsNutrient BioavailabilityHuman Serum 2 +13

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, +4

Pigment Cell Research

NutritionPolyphenolicsAllergyGse-fed Guinea PigsMedicine +13

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

Jun Yamakoshi, Makoto Saito, Shigehiro Kataoka, +1

Journal of Agricultural and Food Chemistry

NutritionCarotenoidBiochemistryHereditary CataractousAnticataract Activity +13

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

Jun Yamakoshi, Atsushi Sano, Shoichi Tokutake, +5

Phytotherapy Research

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

NutritionFecal OdorGreen Tea ExtractMedicineGrape Seeds +9

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

Jun Yamakoshi, Shoichi Tokutake, Mamoru Kikuchi, +3

Microbial Ecology in Health and Disease

The chemistry of indoles. XIII. Syntheses of substituted indoles carrying an amino, nitro, methoxycarbonyl, or benzyloxy group at the 4-position and their 1-hydroxy derivatives.

Masanori Somei, S. INOUE, Shoichi Tokutake, +2

Chemical and Pharmaceutical Bulletin

Polymeric grape-seed procyanidins, but not monomeric catechins and oligomeric procyanidins, impair degranulation and membrane ruffling in RBL-2H3 cells

Kazunari Kondo, Riichiro Uchida, Shoichi Tokutake, +1

Bioorganic & Medicinal Chemistry

Impair DegranulationPhytoalexinBiochemistryPolymeric Grape-seed ProcyanidinsMonomeric Catechins +4

Simple Measurement of ^|^alpha;-Amylase Activity in Rice Koji

Yoshio Shirokane, Shoichi Tokutake, Koichiro Tobe, +1

JOURNAL OF THE BREWING SOCIETY OF JAPAN

Plant PhysiologyEngineeringBotanyRice KojiPolysaccharide +15

Glycosides having chromophores as substrates for sensitive enzyme analysis. II. Synthesis of phenolindophenyl-.BETA.-D-glucopyranosides having an electron-withdrawing substituent as substrates for .BETA.-glucosidase.

Shoichi Tokutake, Kouichi Kasai, Tadashi TOMIKURA, +2

Chemical and Pharmaceutical Bulletin

Bioorganic ChemistryGlycobiologyElectron-withdrawing SubstituentPolysaccharideEnzymatic Modification +16