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笔者于1986～1987年对金樱子(Rosa laevigata Michx)、红子[Pyracantha fortune-ana(Maxim)]果实生长期和贮藏期营养成分含量及其变化测定的结果表明:Vc含量开始逐渐增高,至盛花期后金樱子193天、红子163天达最高值,以后含量均大幅度下降;糖含量在生长期是递增趋势,红子果实从盛花期后188～195天,金樱子果实从盛花期后158～168天含量达最高值,以后增加不多;酸含量两者随果实成熟而逐渐减少;单宁含量两者均先增后减,果实从盛花期后金樱子1.49天,红子144天达最高值,以后均微有减少;金樱子、红子果实在生长期过氧化物酶、多酚氧化酶、抗坏血酸氧化酶、过氧化氢酶等酶活性随果实生长而下降;果实在贮藏期Vc含量迅述下降,四种氧化酶活性也比生长期有所下降,但仍比刺梨高,尤以红子氧化酶活性为刺梨的70多倍,使Ve损失严重。
The results of determination of the nutrient contents and their changes during the growth and storage period of Rosa laevigata Michx and Pyracantha fortune-ana (Maxim) from 1986 to 1987 showed that the content of Vc began to increase gradually, Rosa laevigata 193 days after flowering, red 163 days reached the highest value, after a substantial decline in content; sugar content in the growing season is an increasing trend of red fruit from the flowering period after 188 to 195 days, Rosa laevigata fruit From 158 to 168 days after flowering stage, the content reached the highest value, and then increased little. The content of acid decreased gradually with the ripening of fruit. The content of tannin first increased and then decreased, the fruit rose from 1.49 days , The highest value of 144 days reached the highest, after a slight decrease; Rosa laevigata, red fruit growth during the peroxidase, polyphenol oxidase, ascorbate oxidase, catalase and other enzyme activity with the growth of fruits Decreased; Vc content declined rapidly during the storage period, four kinds of oxidase activity also decreased compared with the growth stage, but still higher than the prickly pear, especially the red-leaf oxidase activity of prickly pear more than 70 times, Ve loss serious.