Chemical Studies on Crude Drug Precession. I. On the Constituents of Ginseng Radix Rubra (1)

Isao Kitagawa, Masayuki Yoshikawa, Minoru Yoshihara, +2

YAKUGAKU ZASSHI

Pharmaceutical ScienceNutraceutical IngredientCrude Drug PrecessionGinseng RadixMedicinal Chemistry +14

Studies on Absorption, Distribution, Excretion and Metabolism of Ginseng Saponins. VII. Comparison of the Decomposition Modes of Ginsenoside-Rb1 and -Rb2 in the Digestive Tract of Rats.

Masami Karikura, Toshio Miyase, Hisayuki Tanizawa, +2

Chemical and Pharmaceutical Bulletin

N HclLipid PeroxidationDigestive TractRat Large IntestineOxidative Stress +14

Studies on absorption, distribution, excretion and metabolism of ginseng saponins. VI. The decomposition products of ginsenoside Rb2 in the stomach of rats.

Masami Karikura, Toshio Miyase, Hisayuki Tanizawa, +2

Chemical and Pharmaceutical Bulletin

Chemical Studies on Crude Drug Processing. V. On the Constituents of Ginseng Radix Rubra (2) : Comparison of the Constituents of White Ginseng and Red Ginseng Prepared from the Same Panax ginseng Root

Isao Kitagawa, TOSHIO TANIYAMA, Hirotaka Shibuya, +2

YAKUGAKU ZASSHI

Medicinal ChemistryPolyphenolicsPharmaceutical ScienceMedicineWhite Ginseng +12

Chemical studies on crude drug processing. VI. Chemical structures of malonyl-ginsenosides Rb1, Rb2, Rc, and Rd isolated from the root of Panax ginseng C.A. Meyer.

Isao Kitagawa, TOSHIO TANIYAMA, Masayuki Yoshikawa, +2

Chemical and Pharmaceutical Bulletin

Malonyl-ginsenosides Rb1Pharmaceutical ChemistryPharmaceutical ScienceBiochemistryBioassay-guided Isolation +12

Saponin and sapogenol. XLI. Reinvestigation of the structures of soyasapogenols A,B,and E, oleanene-sapogenols from soybean. Structures of soyasaponins I, II, and III.

Isao Kitagawa, Hui Kang Wang, TOSHIO TANIYAMA, +1

Chemical and Pharmaceutical Bulletin

Bioorganic ChemistryEngineeringGlycobiologyPolysaccharideFood Chemistry +15

Studies on absorption, distribution, excretion and metabolism of ginseng saponins. V. The decomposition products of ginsenoside Rb2 in the large intestine of rats.

Masami KARIKURA, Toshio Miyase, Hisayuki TANIZAWA, +3

Chemical and Pharmaceutical Bulletin

Pharmaceutical ScienceDecomposition ProductsDigestive TractRat Large IntestineMolecular Pharmacology +14

Saponin and sapogenol. XLII. Structures of acetyl-soyasaponins A1, A2, and A3, astringent partially acetylated bisdesmosides of soyasapogenol A, from american soybean, the seeds of Glycine max MERRILL.

Isao Kitagawa, TOSHIO TANIYAMA, YOSHIKO NAGAHAMA, +3

Chemical and Pharmaceutical Bulletin

Soyasapogenol AEngineeringAmerican SoybeanFood AnalysisGlycobiology +15

Saponin and sapogenol. XXXVIII. Structure of soyasaponin A2, a bisdesmoside of soyasapogenol A, from soybean, the seeds of Glycine max Merrill.

Isao Kitagawa, Masayuki Saito, TOSHIO TANIYAMA, +1

Chemical and Pharmaceutical Bulletin

Food ChemistryProtein GlycosylationBiosynthesisBioorganic ChemistrySoyasapogenol A +13

Natural antioxidants. I. Antioxidative components of tea leaf (Thea sinensis L.).

Hisayuki Tanizawa, Shizuo Toda, Yasuyuki Sazuka, +4

Chemical and Pharmaceutical Bulletin

Food ChemistryFood Bioactive CompoundBotanyMedicineTea Leaf +12