Species, variety and maturity affect β-carotene and lycopene in pumpkin fruit

文献类型： 外文期刊

第一作者： Zhang, Xue-Jie

作者： Zhang, Xue-Jie;Lin, Huan;Dong, Hui-Ru;Snyder, John C.

作者机构：

关键词： Pumpkin; beta-carotene; Lycopene; Accumulation; Maturity

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.2； 五年影响因子：4.6 ）

ISSN： 0304-4238

年卷期： 2024 年 338 卷

页码：

收录情况： SCI

摘要： Carotenoids in pumpkin are nutritionally important as antioxidants, while the relationship between species, maturity and carotenoids and also the accumulation of carotenoids during fruit growth have not been extensively analyzed. We investigated beta-carotene and lycopene contents of nineteen pumpkin varieties by HPLC. The adopted HPLC method was dependable and provided good separation of beta-carotene and lycopene. The formation of beta-carotene during pumpkin growth did not present a special formation phase except for one variety, while the accumulation rate of beta-carotene differed among varieties, ranging from 1.5 to 32.0 mu g/100 g per day. Low concentrations of lycopene were detected in six pumpkin varieties having high content of beta-carotene. Maturity and species all had significant effect on beta-carotene content (P < 0.05). The beta-carotene content in C. maxima was about 3.3 times that in C. moschata (P < 0.05) and 2.0 times higher in early maturity varieties compared to middle-late varieties (P < 0.05). The varieties were separated into three groups of similarity by beta-carotene content and average single fruit weight after applying hierarchical cluster analysis, and some early maturity C. maxima varieties especially containing beta-carotene over 950 g/100 g fresh wt., could be good sources of pro-vitamin A.

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