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Studies on the Mechanism of Softning of Fish Bone by Cooking

Research Project

Project/Area Number 09680033
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 家政学
Research InstitutionOtsuma Women's University

Principal Investigator

SHIMOMURA Michiko  Ostuma Women's University, Department of Home Economics, Professor, 家政学部, 教授 (70074937)

Project Period (FY) 1997 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 1999: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1998: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1997: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywordsfish bone / softning / protein / calcium / cooking / acid-curing / マアジ / 骨 / 調理方法 / 組織構造 / マアジの骨 / 長時間加熱 / 加圧加熱 / 酢酸溶液 / 魚の調理 / 骨の軟化 / カルシウムの溶出 / タンパク質の溶出 / マリネ / 煮魚
Research Abstract

Small fishes are eaten as traditional dishes of marine or "tukudani" with a whole including bones in Japan. This study was cried out to clarify the changes of physical properties and components of bone in vinegar-curing or cooking in water. Softening of fish bone cured in vinegar or heated in water was evaluated by sensory tests and instrumental measurements. The hardness of horse mackerel vertebra decreased in 30 min after curing in an acetic acid solution. In this process, high percentages of calcium eluted from bone, but little protein was eluted. When fish bone was heated in water at atmospheric pressure for 120 min, hardness of bone decreased by measurement of Reometer. During cooking, twenty five percent of proteins eluted from bone into water, but calcium and other minerals hardly eluted in water. In the case of cooking in acidic solution, softening of the bone occurred in short period, both of protein and much minerals eluted from bone. Histological structure observation showed that bone matrix changed remarkably during cooking in water or curing in acidic solution. By the electrical scanning microscopic observation, the bundle of collagen fiber in the surface of bone was showed clearly during cooking in water or in acid solution and an amorphous substance on the surface of bone during acid curing. The cortical bone and the spongy bone became more coarse structure in cross sections by optical microscope.
This studies revealed the changes in hardness of fish bone and the behavior of protein and inorganic compounds in bone during cooking. We assumed that the softening of bone occurred in because of separation of protein and minerals in fish bone.

Report

(4 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • 1997 Annual Research Report
  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] Chie Shimosaka: "Changes in the Physical Properties and Composition of Fish Bone Cured in an Acetic Acid Solution"J. Home Economics of Japan. 49. 873-879 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 下坂智恵: "魚骨の酸溶液および茶煎汁中の加熱による物性と成分の変化"家政学会誌. 50. 1021-1028 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Chie Shimomura: "Changes in the Physical Properties and Composition of Fish Bone Cured in an Acetic Acid Solution"J. Home Economics of Japan. 49. 873-879 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Chie Shimomura: "Changes in the Physical Properties and Composition of Fish Bone during Cooking in an Acetic Acid Solution and Green Tea Infusion"J. Home Economics of Japan. 50. 1021-1028 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 下坂智恵,下村道子,寺井稔: "魚骨の酸溶液および茶煎汁中の加熱による物性と成分の変化"日本家政学会誌. 50・10. 1021-1028 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 下村道子他3名: "マリネの魚骨の硬さと成分変化におよぼす揚げ魚の温度の影響" 日本家政学会誌. 48・11. 963-970 (1997)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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