無支柱栽培トマトの加工適性　Ｖ　　カロチノイド，クロロフィル含量の果齢別，品種別比較

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タイトル別名
  • Processing Adaptability of Determinate Type Tomato Varieties
  • ム シチュウ サイバイ トマト ノ カコウ テキセイ ニカンスルケンキュウ 5
  • (第5報)カロチノイド,クロロフィル含量の果令別,品種別比較

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抄録

Lycopene, carotene, and xanthophyll contents of seven determinate type varieties and one indeterminate type variety were determined at the various matured stages of 40-70 days after flowering. Chlorophyll disappeared mostly on 55 days after flowering and compretely after 60 days. Lycopene did not appear on 40 days but appeared with 4-7mg% after 50 days, 7-12mg% after 60-70 days. Xanthophyll contents increased rapidly during 50 days and β-carotene contents increased also until about 55 days. The readings of color different meter, a/b of the juice, were over 1.6 in almost varieties on 50 days and 2.0 on 60 days. Comparatively high contents of the lycopene in all varieties were observed in the range from 7 to 11mg% at 60 days. Lycopene contents of Tohoku No.6, early matured variety, increased rapidly during 50 days but that of Taiho increased rapidly during the 60 days after flowering. It was suggested that the optimum harvest time of tomato fruits for processing is during the term of 55-60 days after flowering.

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