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Morphological, physicochemical, and antioxidant profile of noncommercial banana cultivars

机译：非商业性香蕉品种的形态，理化和抗氧化特性

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AbstractBanana cultivars––Luvhele (MusaABB), Mabonde (MusaAAA), and Muomva-red (Musa balbisiana) ––were characterized for morphological, physicochemical, and antioxidant properties. All three cultivars varied significantly (P  0.05) in their morphology, pH, titratable acidity and total soluble solids with no significant difference in their ash content. Individual cultivars showed variations in flour starch granule when observed using a scanning electron microscope. Characterization of cultivars for total polyphenols (TPs) and antioxidant activity upon pretreatment with ascorbic, citric, and lactic acid shows that the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay of samples varied significantly as Muomva-red cultivar (1.02 ± 0.01 mg GA/g) expressed the highest DPPH activity at lactic acid concentration of 20 g/L. Total polyphenol content was also highest for Muomva-red [1091.76 ± 122.81 mg GAE/100 g (d.w.)]. The high amount of TPs present in these cultivars make them suitable source of bio-nutrients with great medicinal and health functions.
机译：摘要香蕉品种-Luvhele（MusaABB），Mabonde（MusaAAA）和Muomva-red（Musa balbisiana）-具有形态，物理化学和抗氧化特性。这三个品种的形态，pH，可滴定酸度和总可溶性固形物含量均存在显着差异（P <0.05），其灰分含量无显着差异。当使用扫描电子显微镜观察时，单个品种显示出面粉淀粉颗粒的变化。表征抗坏血酸，柠檬酸和乳酸预处理的总多酚（TPs）和抗氧化活性表明，样品的1,1-二苯基-2-吡啶并肼基（DPPH）自由基清除测定随着Muomva-red栽培品种（ 1.02±0.01 mg GA / g）在乳酸浓度为20 g / L时表现出最高的DPPH活性。 Muomva-red的总多酚含量也最高[1091.76±122.81 mg GAE / 100 g（d.w.）]。这些品种中大量的TPs使其成为具有良好药用和保健功能的生物营养素的合适来源。

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