ウメ種子に含まれる青酸配糖体の消長

書誌事項

タイトル別名
  • Seasonal Changes of Cyanogenic Glycosides in Mume (Prunus mume Sieb. et Zucc.) Seeds.
  • ウメ シュシ ニ フクマレル セイサン ハイトウタイ ノ ショウチョウ

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抄録

Seasonal Changes in the content of cyanogenic glycosides, amygdalin and prunasin, in seeds of mume (Prunus mume Sieb. et Zucc.) 'Gessekai', 'Bungo' and 'Baigo' were investigated.<BR>1. Total cyanogenic glycosides increased throughout the seed development. In the early stages, the ovule contained relatively high amounts of prunasin which disappeared at the onset of Stage II of fruits development. Concurrently, amygdalin appeared and continued to increase until fruit harvest. Amygdalin attained a maximum of 47g•kg-1 of embryo on a fresh weight basis at maturity, whereas prunasin in the endosperm tissue attained a maximum of 10g•kg-1.<BR>2. Mume fruits exhibited a double-sigmoidal growth pattern. The first slow growth period coincided with the period of decrease in prunasin content in endosperm along with rapid amygdalin increase in the embryo.<BR>3. Cyanogenic glycoside content varied among the cultivars evaluated, 'Bungo' and 'Gessekai' had the highest and lowest cyanogenic glycoside content, respectively. The reverse can be observed with flowering period. 'Gessekai' is an early flowering type than 'Bungo'.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 62 (4), 695-700, 1994

    一般社団法人 園芸学会

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