Molecular association in ethanol-water mixtures studied by mass spectrometric analysis of clusters generated through adiabatic expansion of liquid jets

Nobuyuki Nishi, Kunimasa Koga, Chikako. Ohshima, +3

Journal of the American Chemical Society

Molecular AssociationMolecular SciencesEngineeringChemical MeasurementChemical Analysis +13

Effect of periodate oxidation on the structure and properties of glucose oxidase

Satoshi Nakamura, Sueko Hayashi, Kunimasa Koga

Biochimica et Biophysica Acta (BBA) - Enzymology

BiochemistryPeriodate OxidationNatural SciencesGlucose OxidaseChemistry +4

Structure of genipocyanin G1, a spontaneous reaction product between genipin and glycine

Shigeaki Fujikawa, Yûkô Fukui, Kunimasa Koga, +3

Tetrahedron Letters

Protein ChemistryBioorganic ChemistryBiochemistryNatural SciencesGlycobiology +7

The continuous hydrolysis of geniposide to genipin using immobilized ?-glucosidase on calcium alginate gel

Shigeaki Fujikawa, Tomoko Yokota, Kunimasa Koga, +1

Biotechnology Letters

Continuous HydrolysisEngineeringGlycosylationBiochemistryGlycobiology +8

Brilliant skyblue pigment formation from gardenia fruits

Shigeaki Fujikawa, Yûkô Fukui, Kunimasa Koga, +1

Journal of Fermentation Technology

BiologyBotanyPhotochemistryNatural SciencesGardenia Fruits +5

Effects of 50% Ethanol Extract from Rosemary ( <i>Rosmarinus officinalis</i> ) on α‐Glucosidase Inhibitory Activity and the Elevation of Plasma Glucose Level in Rats, and Its Active Compound

Kunimasa Koga, Haruo Shibata, Kyoji Yoshino, +1

Journal of Food Science

Antioxidant and Antiinflammatory Activities of Oregano Extract

Kyoji Yoshino, Naoki Higashi, Kunimasa Koga

JOURNAL OF HEALTH SCIENCE

InflammationAnti-inflammatoryCold-restraint StressMedicineLipid Peroxidation +9

Genipin, a new type of protein crosslinking reagent from gardenia fruits.

Shigeaki Fujikawa, Shigeyuki NAKAMURA, Kunimasa Koga

Agricultural and Biological Chemistry

Reactive Oxygen Scavenging Activity of Matured Whiskey and Its Active Polyphenols

Kunimasa Koga, Azuma Taguchi, Seiichi Koshimizu, +4

Journal of Food Science

Food ChemistryChemical EngineeringMatured WhiskeyFlavoromicsTannin +11

Anti-Diabetic Activity of a Leaf Extract Prepared from<i>Salacia reticulata</i>in Mice

Kyoji Yoshino, Yuko MIYAUCHI, Takashi Kanetaka, +2

Bioscience Biotechnology and Biochemistry

NutritionType 1Drinking WaterBiochemistryMedicine +12