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Featured researches published by Masako Horikoshi.


Agricultural and biological chemistry | 1972

Studies on γ Globulin of Rice Embryo:Part III. Molecular Dimension and Chemical Composition of γ 1 Globulin

Yuhei Morita; Masako Horikoshi

The molecular weight of γ3 globulin was determined to be 120,000 daltons by means of both sedimentation equilibrium and gel filtration methods. The protein was composed of 3 identical major and 1 minor subunits, and the molecular weights of them were found to be 35,000 and 13,000 daltons, respectively, by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The major subunit has an arginyl residue as the amino terminal amino acid. The amino acid and carbohydrate composition of γ3 globulin was determined as follows: Lys37His37Arg92Asp60Glu139Gly120Ala83Val76Leu70Ile31Pro54Ser77Thr33Cys11Met9Phe51Tyr26Trp8 (Amide NH3)69Hexose15Pentose4Hexosamine4. The structure of γ3 globulin was discussed with comparing that of γ1 globulin.


Nippon Eiyo Shokuryo Gakkaishi | 1972

Heat Denaturation of γ Globulin of Rice Embryo

Masako Horikoshi; Tose Uesugi; Hiroko Hayashi; Yuhei Morita

1) 米胚芽γグロブリン溶液の粘度は80℃ 30分間の加熱処理で急激に増加し, 1.5%以上の濃度では一部不溶化する。100℃加熱処理では, γグロブリン溶液は不可逆的なゲル化をおこす。2) γグロブリンの分子内部のSH基は, 80℃加熱処理で急速に分子表面にあらわれる。その反応は最初の10分間で85%まですすみ, あとの15%はその後の20分間で分子表面にあらわれる。3) γグロブリンの尿素変性では, 分子内のSH基は尿素濃度6Mで最初の3分間に, 8M濃度では1分間に分子表面に現われ, その後徐々に減少する。加熱変性の場合と比べると分子表面にあらわれるSH基数は最大限で約半数であり尿素を除いたあとのSH基は減少する。4) カルシウムイオンが存在すると, γグロブリン溶液の粘度は, 70℃ 30分間加熱処理で顕著に上昇する。カルシウムイオンは多いほど粘度上昇は著しく, 1, 10mMカルシウム濃度で80℃に加熱すると一部不溶化し, 100mMの濃度ではゲル化を起こす。5) カルシウムイオンが存在するときのγグロブリン内部のSH基は, 70℃加熱処理で分子表面にあらわれる。これはカルシウムイオンがないときの80℃加熱処理にほぼ相当する。カルシウムイオン存在下の80℃加熱では最初の3分間で急速にSH基が分子表面にあらわれ, それ以上の加熱では一部不溶化する。


Fisheries Science | 2011

PCR-DGGE analysis of bacterial communities in funazushi, fermented crucian carp with rice, during fermentation

Tateo Fujii; Shoko Watanabe; Masako Horikoshi; Hajime Takahashi; Bon Kimura


Journal of the Science of Food and Agriculture | 2008

The effects of free amino acids, nucleic compounds, and volatile constituents of funazushi (fermented sushi of crucian carp (Cyprinus auratus)) on preference

Kaori Kubo; Yukari Ogawa; Masako Horikoshi


Agricultural and biological chemistry | 1982

Changes in Ultrastructure and Subunit Composition of Protein Body in Rice Endosperm during Germination

Masako Horikoshi; Yuhei Morita


Agricultural and biological chemistry | 1975

Localization of γ Globulin in Rice Seed and Changes in γ Globulin Content during Seed Development and Germination

Masako Horikoshi; Yuhei Morita


Agricultural and biological chemistry | 1981

Effect of Cycloheximide on Protein Breakdown in Germinating Rice Seeds

Masako Horikoshi; Yuhei Morita


Abstracts of Annual Congress of The Japan Society of Home Economics 64th Annual Congress of The Japan Society of Home Economics | 2012

The fatty acid composition of fish and shellfish in Lake Biwa

Kaori Kubo Mukai; Yukie Higami; Masako Horikoshi


Abstracts of Annual Congress of The Japan Society of Home Economics 58th Annual Congress of The Japan Society of Home Economics | 2006

Evaluation of nutritional value of the rice part of funazushi (fermented sushi of a crucian carp) and its utilization for food

Kaori Kubo; Kanako Tamaki; Masako Horikoshi


Abstracts of Annual Congress of The Japan Society of Home Economics 57th Annual Congress of The Japan Society of Home Economics | 2005

Chemical changes in food constituents of fermented mackerel sushi during processing

Kaori Kubo; Akiko Hiratani; Masako Horikoshi

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Etsu Kishida

Hyogo University of Teacher Education

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Yasuo Masuzawa

Hyogo University of Teacher Education

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Bon Kimura

Tokyo University of Marine Science and Technology

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