Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain.
Departamento de Química, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain.
Food Chem. 2016 Jul 15;203:49-58. doi: 10.1016/j.foodchem.2016.02.035. Epub 2016 Feb 9.
Pepino (Solanum muricatum) fruits from 15 accessions of cultivated pepino as well as six accessions from wild relatives were evaluated for contents in dry matter, protein, β-carotene, chlorophylls and seven minerals. Several-fold differences among accessions were found for most traits. Average values obtained were similar to those of melon and cucumber, but the phenolic contents were much higher. Wild species had significantly higher average contents for all traits vs. the cultivated pepino accessions. And, the comparisons among the cultivated pepino varieties showed that the modern varieties were more uniform in composition, and they possessed significantly lower concentrations of protein, P, K, and Zn than local land races. Most of the significant correlations among composition traits were positive. Our studies show that regular consumption of pepino fruits could make a significant contribution to the recommended daily intake of P, K, Fe and Cu as well as to the average daily intake of phenolics. Furthermore, the higher values for most nutrients measured in the wild species and in the local land races indicate that new pepino varieties with improved fruit contents in nutrient and bioactive compounds can be developed.
对 15 份栽培刺梨果实和 6 份野生近缘种的干物质、蛋白质、β-胡萝卜素、叶绿素和 7 种矿物质含量进行了评价。大多数性状的品种间差异很大。获得的平均值与甜瓜和黄瓜相似，但酚类含量高得多。与栽培的刺梨品种相比，野生种的所有性状的平均含量都显著更高。而且，对栽培的刺梨品种的比较表明，现代品种在组成上更加均匀，其蛋白质、P、K 和 Zn 的浓度明显低于当地的地方品种。组成性状之间的大多数显著相关性都是正相关的。我们的研究表明，经常食用刺梨果实可以显著增加 P、K、Fe 和 Cu 的推荐日摄入量，以及酚类物质的平均日摄入量。此外，在野生种和地方品种中测量到的大多数营养物质的含量更高，这表明可以开发出具有改良的营养和生物活性化合物含量的新型刺梨品种。
