Increases in 1,5-Anhydroglucitol Levels in Germinating Amaranth Seeds and in Ripening Banana.
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- KONISHI Yotaro
- Faculty of Human Life Science, Osaka City University
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- HASHIMA Keiko
- Faculty of Human Life Science, Osaka City University
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- KISHIDA Kunihiro
- Faculty of Human Life Science, Osaka City University
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To examine whether 1,5-anhydroglucitol (AG) is derived from starch degradation in plant tissues, we colorimetrically measured AG contents of germinating amaranth seeds and ripening banana pulp. In both cases, as starch degradation proceeded, AG levels were significantly increased, but were 1,700-5,000 times lower than those of total soluble carbohydrates. α-1,4-Glucan lyase activity, which is measured by the 1,5- anhydrofructose (AF) liberated from non-reducing glucose residues of starch or glycogen, was too low to be detected in amaranth or banana by the 3,5-dinitrosalicylic acid method. On the other hand, AF reductase, which reduces AF to AG, was detected in germinating amaranth seeds and banana pulp. Thus, the increases in AG levels are conceived to be derived from starch breakdown, although further investigation is needed to answer whether the starch degradation pathway via α-1,4-glucan lyase/AF reductase exists in plant tissues.<br>
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 64 (11), 2462-2465, 2000
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390001206471235328
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- NII論文ID
- 110002679840
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- NII書誌ID
- AA10824164
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- COI
- 1:CAS:528:DC%2BD3cXos1Srtbg%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 5590525
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- PubMed
- 11193417
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可