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Dive into the research topics where Hiroatsu Matsuoka is active.

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Featured researches published by Hiroatsu Matsuoka.


Journal of Food Science and Technology-mysore | 1992

Heat-Treated Coagulation of Water Soluble Soybean Proteins Pre-Treated with Bromelain

Hiroatsu Matsuoka; Masakatsu Sekiguchi

未加熱脱脂大豆水抽出物にブロメラインを作用させたのち,加熱処理することにより得られた凝固物について検討し,次の結果を得た.(1) 凝固物の収率は,ブロメライン処理0.5分間の試料においても全窒素の約58%と高かった,上澄中のトリクロル酢酸不溶窒素の残存割合も約50~60%と高かった.(2) SH量および疎水領域は,ブロメライン処理により減少し,加熱処理するこどによりさらに低下することが認められた.(3) ブロメライン処理により7Sグロブリンの各サブユニットは低分子化したが, 11Sグロブリンは低分子化せず,加熱処理後の凝固物にも11Sグロブリンの各サブユニットのバンドが認められた.(4) 走査型電子顕微鏡による観察の結果,加熱水抽出物をブロメライン処理し得た凝固物がシート様を呈したのとは異なり,小粒子の会合によって凝固物が形成されていた.(5) 豆乳をブロメライン処理したのち加熱し得られた凝固物を型詰,圧搾し調製したカードの組織は,せん断応力,硬さ,凝集性,弾力性,そしゃく性においていずれもカルシウム凝固により得たカード,乳酸発酵により得たカードよりも低かった.


Journal of Food Science | 1985

Nature of Stem Bromelain Treatments on the Aggregation and Gelation of Soybean Proteins

Yoko Fuke; Masakatsu Sekiguchi; Hiroatsu Matsuoka


Journal of Dairy Science | 1993

The Purification and Characterization of Prolyl Aminopeptidase from Penicillium camemberti

Yoko Fuke; Hiroatsu Matsuoka


Journal of Agricultural and Food Chemistry | 1991

Purification and debittering effect of aminopeptidase II from Penicillium caseicolum

Hiroatsu Matsuoka; Yoko Fuke; Shuichi Kaminogawa; Kunio Yamauchi


Journal of Food Science | 1985

Determination of Chlorophylls in Kiwi Fruit and Their Changes during Ripening

Yoko Fuke; Kenji Sasago; Hiroatsu Matsuoka


Journal of Food Science | 1984

Preparation of Fermented Soybean Curd using Stem Bromelain

Yoko Fuke; Hiroatsu Matsuoka


NIPPON SHOKUHIN KOGYO GAKKAISHI | 1984

Changes in Content of Pectic Substances, Ascorbic Acid and Polyphenols, and Activity of Pectinesterase in Kiwi Fruit during Growth and Ripening after Harvest

Yoko Fuke; Hiroatsu Matsuoka


Journal of Food Science | 1984

Studies on the Physical and Chemical Properties of Kiwi Fruit Starch

Yoko Fuke; Hiroatsu Matsuoka


Journal of Food Science and Technology-mysore | 1987

Changes in Proteins and Protease Activities during Ripening of Cheese-likeProduct from Soymilk using Penicillium caseicolum

Yoko Fuke; Hiroatsu Matsuoka


NIPPON SHOKUHIN KOGYO GAKKAISHI | 1982

hanges in Contents of Sugars, Starch, Organic Acids and Free Amino Acids in Kiwi Fruit during Growth and after Ripening

Yoko Fuke; Hiroatsu Matsuoka

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Yoko Watanabe

Tokyo Metropolitan University

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Ikuko Nagata

Tokyo Metropolitan University

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Toshiharu Gomyo

Kagawa Nutrition University

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