山楂果实维生素C含量、花青素含量及抗氧化能力的研究。有刺和没有刺的,生长在哥伦比亚的里萨拉尔达

Pub Date : 2023-01-01 DOI:10.1590/0100-29452023509
Gloria Edith Guerrero Álvarez, Sarah Muñoz Arias, Gustavo Alfonso Cifuentes Colorado
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引用次数: 0

摘要

“卡斯蒂亚莫拉”是安第斯热带地区的一种原生灌木,在哥伦比亚、厄瓜多尔、墨西哥和该地区的其他国家都有发现。在哥伦比亚,这种水果由小生产者种植,是收入和农村就业的重要来源。“mora de Castilla”在国内和出口都有很大的需求,因为它可以新鲜或加工食用,因为它具有非凡的感官和营养特性。Risaralda是Rubus glaucus Benth的部门之一。是培养;在那里,有刺和没有刺的植物广泛分布。虽然对这些品种进行了一些研究,但有必要对它们的一些特性进行评价和比较,以确定它们在农业综合企业中的潜在用途。为此,本文对仙人掌果实进行了理化表征、维生素C含量测定、花青素含量测定和抗氧化能力分析。评估的理化参数包括重量、pH、可溶性固形物和可滴定酸度。采用2-硝基苯胺分光光度法测定维生素C含量,采用分光光度法(pH差法)和色谱法(HPLC法)测定花青素含量。最后,采用FRAP和DPPH法测定其抗氧化能力。在不同的城市之间,以及有刺和没有刺的材料之间,在抗氧化能力、维生素C和花青素含量方面存在显著差异,在佩雷拉、里萨拉尔达市种植的水果的价值最高。结果表明,带皮和不带皮的“卡西提亚”因其高含量的生物活性化合物(维生素C和花青素)、抗氧化剂的相关功能和宝贵的感官属性,是一种高品质和有前途的水果。
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Vitamin C content, anthocyanins and antioxidant capacity of fruits of Rubus glaucus Benth. (mora de Castilla) with and without prickles grown in Risaralda, Colombia
Abstract “mora de Castilla” is a native shrub of the Andean tropics and can be found in Colombia, Ecuador, Mexico, and other countries of this region. In Colombia, this fruit is cultivated by small producers and is an important source of income and rural employment. “mora de Castilla” is in great demand for domestic consumption as well as for export because it can be consumed fresh or processed and because of its extraordinary organoleptic and nutritional attributes. Risaralda is one of the departments in which Rubus glaucus Benth. is cultivated; there, plants with and without prickles are widely distributed. Although some studies have been carried out on these cultivars, it is necessary to evaluate and compare some of their attributes as an approach to recognize potential uses in agribusiness. Therefore, a physicochemical characterization was performed, the vitamin C content was evaluated, the amount and profile of anthocyanins were determined, and the antioxidant capacity of fruits of “mora de Castilla” with and without prickles was analyzed. The physicochemical parameters evaluated were weight, pH, soluble solids and titratable acidity. The content of vitamin C was evaluated using the 2-nitroaniline spectrophotometric method, and anthocyanins were evaluated using 2 methods: spectrophotometry (pH differential) and chromatography (HPLC). Finally, the antioxidant capacity was determined using the FRAP and DPPH methods. Significant differences were found between the municipalities as well as between the materials with and without prickles with regard to antioxidant capacity and vitamin C and anthocyanin content, with the highest values for fruits grown in the municipality of Pereira, Risaralda. The results obtained indicate that “mora de Castilla” with and without prickles is a fruit of high quality and promise because of its high content of bioactive compounds (vitamin C and anthocyanins), its relevant function as an antioxidant and its valuable organoleptic attributes.
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