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首页> 外文期刊>Acta Horticulturae >Raspberry cultivar evaluation according to their fruit quality and antioxidant capacities.
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Raspberry cultivar evaluation according to their fruit quality and antioxidant capacities.

机译:根据其果实品质和抗氧化能力对树莓品种进行评估。

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摘要

The interest of consumers in health related compounds in fruits is increasing. This obliges raspberry producers to supply the market not only with attractive fruits but also fruits rich in bioactive compounds. The aim of this study was to evaluate 8 floricane fruiting cultivars/genotypes in terms of taste and health related compounds, as well as antioxidant activity of the fruits and the leaves. The fruit parameters measured were color, firmness, soluble solids and acid content as well as the following health related compounds: vitamin C, total phenolics and anthocyanins. For the potential antioxidant capacities, DPPH radical scavenging capacity, Ferric Reducing Antioxidant Power (FRAP) and Oxygen Radical Absorption Capacity (ORAC) assays were performed. Phenol content, FRAP and ORAC of the leaves were also measured. The results showed that the influence of the genotypes is high for all the measured fruit parameters, especially for the health related compounds and the antioxidant capacities. The difference in anthocyanin and phenolic contents between the cultivars was high with about 35 and 64% respectively. The antioxidant activities were more related to the phenolic content than to the other bioactive compounds measured. Cultivars producing fruits with good physical quality parameters have generally relatively poor antioxidant activities and lower amounts of bioactive compounds. No relation was found between parameters measured in leaves and fruits. Finally, the adaptability of the different cultivars to meet consumer demands is discussed.
机译:消费者对水果中与健康相关的化合物的兴趣正在增加。这迫使覆盆子生产商不仅向市场提供诱人的水果,而且还向市场供应富含生物活性化合物的水果。这项研究的目的是根据味道和健康相关的化合物,以及水果和叶片的抗氧化活性,评估8种氟烷结果种/基因型。测得的水果参数包括颜色,硬度,可溶性固形物和酸含量以及以下与健康相关的化合物:维生素C,总酚和花色苷。对于潜在的抗氧化能力,进行了DPPH自由基清除能力,铁还原抗氧化能力(FRAP)和氧自由基吸收能力(ORAC)分析。还测量了叶子的苯酚含量,FRAP和ORAC。结果表明,基因型对所有测得的水果参数影响很大,特别是对健康相关化合物和抗氧化能力的影响。两个品种之间的花色苷和酚含量差异较大,分别约为35%和64%。抗氧化剂活性与酚含量的关系远大于与其他生物活性化合物的关系。生产具有良好物理质量参数的果实的品种通常具有相对较差的抗氧化活性和较低量的生物活性化合物。在叶片和果实中测得的参数之间没有关系。最后,讨论了不同品种适应消费者需求的适应性。

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