Effect of 2,2'-Bipyridyl on Ethylene-enhanced Chlorophyll Catabolism in Citrus unshiu Fruit
| Autor: | Hirofumi Kurata, Rie Azuma, Keishi Shimokawa, Masaru Adachi |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
chemistry.chemical_classification
Pheophytin Ethylene Chlorophyllase biology Catabolism General Engineering food and beverages Horticulture biology.organism_classification Citrus unshiu chemistry.chemical_compound Enzyme chemistry Biochemistry Pheophorbide A Chlorophyll General Earth and Planetary Sciences General Environmental Science |
| Zdroj: | Engei Gakkai zasshi. 71:441-445 |
| ISSN: | 1880-358X 0013-7626 |
| Popis: | The effect of 2, 2'-bipyridyl on ethylene-enhanced degreening in Citrus unshiu fruit was investigated. In ethylene-treated fruit, 2, 2'-bipyridyl inhibited the enhanced degreening process and did not cause the accumulation of phytol-free catabolites, chlorophyllide a, and pheophorbide a, but on the contrary, induced the accumulation of chlorophyll (Chl) a, Chl b, and pheophytin a, 2, 2'-Bipyridyl inhibited ethylene-enhanced chlorophyllase (Chlase) activity, but it had no effect on the enzyme in vitro. These results indicate that 2, 2'-bipyridyl inhibits the induction of Chlase, which is the key enzyme in the initial step of Chl catabolism and the degreening in ethylene-treated Citrus unshiu fruit. |
| Databáze: | OpenAIRE |
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