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  1. 飯田女子短期大学紀要
  2. 23集

果実の加工処理に伴う糖含量・組成の変化

https://iidawjc.repo.nii.ac.jp/records/24
https://iidawjc.repo.nii.ac.jp/records/24
b1d75143-9b70-4139-9531-a5fbb8ebfb1c
名前 / ファイル ライセンス アクション
iida_wjc_23-07.pdf iida_wjc_23-07 (724.7 kB)
Item type Departmental Bulletin Paper(1)
公開日 2012-03-30
タイトル
タイトル 果実の加工処理に伴う糖含量・組成の変化
言語
言語 jpn
キーワード
主題Scheme Other
主題 果実
キーワード
主題Scheme Other
主題 糖含量
キーワード
主題Scheme Other
主題 糖組成
キーワード
主題Scheme Other
主題 糖の代謝
キーワード
主題Scheme Other
主題 加工処理
キーワード
言語 en
主題Scheme Other
主題 fruits
キーワード
言語 en
主題Scheme Other
主題 sugar content
キーワード
言語 en
主題Scheme Other
主題 sugar composition
キーワード
言語 en
主題Scheme Other
主題 metabolism of sugar
キーワード
言語 en
主題Scheme Other
主題 processing
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
その他(別言語等)のタイトル
その他のタイトル The Changes of Sugar Content and Composition by Processing of Various Fruits
著者 平井, 俊次

× 平井, 俊次

平井, 俊次
千, 裕美
近藤, 民恵
川俣, 幸一

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内容記述タイプ Abstract
内容記述 Using 11 types of representative fruits of those cultivated in Iida City and the Shimoina district region of Nagano Prefecture, changes in sugar content and composition were studied using heat treatments as a catalyst. These experiments produced the following results. 1. A high degree of experiment reproducibility and stability using fruits heated in a microwave oven was obtained. It was noted that microwave induced heating could inactivate various enzymes, which could prevent the fruit's glyco-components from transforming. Sugar content and composition in our raw test fruit was however changed largely by enzyme action during their analysis and processing. Fruit boiled in water gave rise to elution of the fruit's sugar. 2. Large differences of 8%-28% of total sugar quantities appeared in our test fruits depending on fruits type, type of harvest, etc. These spontaneous fluctuations of glucose, fructose and sucrose in our selected raw fruits gave a good indication enzyme action within biochemical metabolic mechanisms such as monosaccharides (fructose and glucose) and disaccharides (sucrose, etc...) ⇔ starch and glycosides. 3. Sorbitol was detected in 5 kinds of Rosaceae plants including Apples, Japanese plums, Japanese pears, Peaches and Prunes. Sorbitol contents per 100 grams of these fruits are shown below. Ratios of sorbitol occupied for total sugars described in parentheses; Apples 0.50g (4.0%), Japanese plums 2.47g (16.0%), Japanese pears 2.48g (17.8%), Peaches 3.12g (31.1%) and Prunes 4.38g (25.0%). These sorbitol fluctuations are likely due to enzyme reactions such as aldose reductase and iditol-2-dehydrogenase. These two enzymes promote the following reactions reversibility; Sorbitol ⇔ Glucose and Sorbitol ⇔ Fructose, respectively. 4. Fruits tested in this study were categorized into four groups by sugar compositions. The first being the sucrose type (the sucrose occupied the majority of the sugar's composition; Nectarines, Japanese apricots, and Japanese persimmons). The second group was the sucrose-sorbitol group (the sucrose occupied in the mostly with containing the sorbitol; Prunes, Peaches, and Japanese plums). A third group was the fructose type (where fructose occupied the majority of the fruits sugar compositi on; Blueberries, Grapes, Blackberries, and Japanese persimmons). A final group was fructose-sorbitol (where fructose occupied in the mostly with containing the sorbitol; Apples and Japanese pears). 5. Sucrose quantity in our raw test fruits during analysis and processing tended to increase in Nectarines, Japanese apricots, Prunes, and Japanese plums, and to decrease in Apples, Blueberries, Japanese pears, Blackberries and Japanese persimmons. There exist two possible causes for these fluctuations. One is the enzymatic action caused by increased sucrose compounds like sucrose-phosphate synthase and sucrose phosphatase. The other is β-fructofuranosidase and a-glucosidase in relation to evidence of decreasing sucrose.
書誌情報 飯田女子短期大学紀要

巻 23, p. 97-109, 発行日 2006-05-27
出版者
出版者 飯田女子短期大学
ISSN
収録物識別子タイプ ISSN
収録物識別子 0912-8573
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN1023693X
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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