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- 松田 由美子
- 東京水産大学
書誌事項
- タイトル別名
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- Freezing Preservation of “Tokoroten”
- トコロ テ ン ノ トウケツ ニ ヨル チョゾウ
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It was reported in the previous paper1) that the lyophilization is a preferable method for the preservation of “tokoroten”, gelidium jelly, as the lyophilized product gave, on reconstitution, a jelly having similar flavour and elasticity to those of the original “tokoroten”. In this study, freezing preservation of it was attempted.<br> “Tokoroten” cut into 1.4cm cubes was frozen by three different methods, vacuum freezing, air blast freezing (3m/sec) at -30°C and still air freezing at -30°C, and stored at -25°, -15°and -5°C for 3 months. At a definite storage interval, the samples were dissolved in boiling water. The resulting solutions were condensed to the original concentration and gelatinized. The jellies thus obtained were examined on their qualities, such as colour, flavour, texture, palatability, jelly strength and compressive strain, to compared with those of the original one.<br> Immediately after freezing, reconstitution of all samples was nearly perfect. The jellies prepared from the stored samples showed only slight discolouration and off-flavour. The storage temperature and period did not affect the qualities appreciably.<br> It may be concluded from these results that “tokoroten” can be preserved frozen at least for 3 months at a temperature as high as -5°C without any unfavourable change of quality, and that the frozen “tokoroten” can be reconstituted almost perfectly if the process of thawing in boiling water is introduced.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 34 (11), 1026-1030, 1968
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390001206417288960
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- NII論文ID
- 130000913872
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
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- NDL書誌ID
- 8391923
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可