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首页> 外文会议>Tropical and subtropical fruits: flavors, color, and health benefits >Climate and Salinity Effects on Color and Health Promoting Properties in the Pomegranate (Punica granatum L.) Fruit Arils
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Climate and Salinity Effects on Color and Health Promoting Properties in the Pomegranate (Punica granatum L.) Fruit Arils

机译：气候和盐度对石榴果实石榴果实颜色和健康促进特性的影响

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Pomegranate (Punica granatum L.) has recently become a commercially important crop due to multitude health promoting properties attributed to different parts of the fruit. Worldwide pomegranate production has expanded greatly in traditional and new locations of diverse climatic and water conditions. The pomegranate industry demands intensely red fruit with high antioxidant content. It is therefore especially important to investigate the effects of climate and water quality on pomegranate anthocyanin and phenolics accumulation. Our research has focused on the edible part of the fruit, specifically, the arils. A diverse selection of pomegranate cultivars was employed. To explore climate effect, fruit that developed and ripened under a wide range of temperature regimes were studied. To explore water quality effect, fruit from plants irrigated with a wide range of salinities, 0.5-9 dS m~(-1), were studied. Anthocyanins were analyzed by RP-HPLC and phenolics content was determined by the Folin-Ciocalteau assay. Both abiotic factors considerably affected arils' composition. Cooler temperatures enhanced both pigment and antioxidant accumulation. Climate also affected anthocyanin composition. Increased salinity enhanced phenolics accumulation in both accessions but reduced that of anthocyanins in a cultivar dependent manner. Our results can benefit breeding and agricultural efforts to enhance pomegranate fruit quality, especially, in face of global wanning and water quality deterioration.
机译：由于归因于水果不同部分的许多健康促进特性，石榴（石榴）已成为商业上重要的农作物。在传统的和新的气候和水条件不同的地区，全世界的石榴生产都大大增加了。石榴产业需要具有高抗氧化剂含量的深红色水果。因此，研究气候和水质对石榴花色苷和酚类物质积累的影响尤为重要。我们的研究重点是水果的可食用部分，尤其是假种皮。使用了石榴品种的多种选择。为了探索气候影响，研究了在各种温度范围内发育和成熟的果实。为了研究水质效应，研究了灌溉范围为0.5-9 dS m〜（-1）的盐度的植物的果实。通过RP-HPLC分析花色苷，并通过Folin-Ciocalteau测定法测定酚含量。两种非生物因素都极大地影响了假种皮的成分。较低的温度增强了颜料和抗氧化剂的积累。气候也影响了花青素的组成。盐度的增加可增加两个种的酚类物质积累，但以品种依赖性方式降低花青素的积累。我们的结果可以使育种和农业努力提高石榴果实的品质受益，特别是在全球变淡和水质恶化的情况下。

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