PHYSICOCHEMICAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF SOME TROPICAL FRUITS

M. Ionica, F. Tutulescu, V. Nour
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Abstract

They were determined the physical and chemical properties, antioxidant capacity and mineral content of tropical fruit respectively: : passion fruit (Passiflora edulis), carambola (Averrhoa carambola), sweet pepino (Solanum muricatum), guava (Psidium guajava), goldenberry (Physalis peruviana) and goji berries (Lycium chinense. Fruits were purchased on the market from imports. It was found a wide variability concerning fruits size and weight by species. The fruit size index ranged from 9.24 in goji berries to 75.78 in sweet pepino. The individual fruit weight ranged between 0.45 g in goji berries to 208.7 g in sweet pepino. The highest content of dry matter was found in passion fruit (27.59%) and the lowest value was recorded in sweet pepino (5.93%). Also, in goji berries and goldenberry we found high values of dry matter content. It is found that all analyzed species contain appreciable amounts of polyphenols, ranging from 26 201 mg/ l equiv gallic acid in goldenberry fruits and 141.966 mg / l gallic acid equiv in goji berries. The highest values of potassium content was found in goji berries (422.34 mg/100 g fm) while carambola fruit were recorded the lowest values (140 832 mg/100 g fm).
一些热带水果的理化性质及抗氧化活性
分别测定了热带水果西番莲(Passiflora edulis)、杨桃(Averrhoa carambola)、甜椒(Solanum muricatum)、番石榴(Psidium guajava)、金莓(Physalis peruviana)和枸杞(Lycium chinense)的理化性质、抗氧化能力和矿物质含量。水果是从市场上进口的。结果发现,不同品种的果实大小和重量有很大的差异。果实大小指数从枸杞9.24到甜椒75.78不等。单个果实的重量从枸杞的0.45克到甜椒的208.7克不等。干物质含量以百香果最高(27.59%),甜椒最低(5.93%)。此外,在枸杞和金莓中,我们发现干物质含量很高。结果发现,所有被分析的物种都含有相当数量的多酚,金莓果实中的没食子酸当量为26 201 mg/ l,枸杞果实中的没食子酸当量为141.966 mg/ l。枸杞果实钾含量最高(422.34 mg/100 g fm),杨桃果实钾含量最低(140 832 mg/100 g fm)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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