...The color of physalis, chili peppers, egg yolks, fish eggs, and the corpus luteum of mammalian ovaries is due to this pigment. In the narrow sense, lutein has the molecular formula C 40 H 56 O 2 , and is known to include zeaxanthin, which has a hydroxyl group, cryptoxanthin, and rhodoxanthin, which has a keto group. Xanthophylls contained in chloroplasts are auxiliary pigments for photosynthesis, transferring the energy of absorbed light to chlorophyll and increasing the efficiency of photosynthesis. ... *Some of the terminology that mentions "rhodoxanthin" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ホオズキ,トウガラシの実の色,卵黄,魚卵,哺乳類の卵巣の黄体などの色はこの色素による。狭義にはルテインluteinで分子式はC40H56O2であり,水酸基をもつゼアキサンチンzeaxanthin,クリプトキサンチンcryptoxanthin,ケト基を有するロドキサンチンrhodoxanthinなどが知られている。葉緑体に含まれるキサントフィル類は光合成の補助色素として,吸収した光のエネルギーをクロロフィルに伝え光合成の効率を高めている。… ※「rhodoxanthin」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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