Piscopo Amalia, Mafrica Rocco, De Bruno Alessandra, Romeo Rosa, Santacaterina Simone, Poiana Marco
Department of AGRARIA, University Mediterranea of Reggio Calabria, 89124 Vito, Reggio Calabria, Italy.
Foods. 2021 Feb 2;10(2):305. doi: 10.3390/foods10020305.
The valorization of minor accessions of olive is potentially a good way to improve the qualitative production of a specific territory. Olive oils of four minor accessions (Ciciarello, Tonda di Filogaso, and Ottobratica Calipa and Ottobratica Cannavà clones) produced in the same area of the Calabria region were characterized for the principal qualitative analyses at two drupe harvesting periods (October and November). Good quality in terms of free acidity, peroxides, spectrophotometric indexes, and fatty acid composition was observed in olive oils produced at both drupe harvesting times, with the exception of those of Tonda di Filogaso, which showed a free acidity level over the legal limit for extra virgin olive oil in the second harvesting time. All of the olive oils possessed at both production periods averagely abundant total polyphenols (460-778 mg/kg) and tocopherols (224-595 mg/kg), and the amounts changed in the experimental years for expected different environmental variations. Ottobratica Cannavà and Ottobratica Calipa clones showed some peculiar qualitative characteristics (free acidity, peroxides, fatty acid composition, and total polyphenols), distancing themselves from the principal variety of reference, Ottobratica.
对橄榄小众品种进行价值提升可能是提高特定地区优质产量的好方法。在卡拉布里亚地区同一区域生产的四个小众品种（奇恰雷洛、菲洛加索圆橄榄、奥托布拉蒂卡·卡利帕和奥托布拉蒂卡·坎纳瓦克隆品种）的橄榄油，在两个核果收获期（10月和11月）进行了主要质量分析。在两个核果收获期生产的橄榄油中，除了菲洛加索圆橄榄在第二次收获时游离酸度超过特级初榨橄榄油法定限量外，在游离酸度、过氧化物、分光光度指数和脂肪酸组成方面均表现出良好质量。在两个生产期，所有橄榄油的总多酚（460 - 778毫克/千克）和生育酚（224 - 595毫克/千克）含量平均都很丰富，且在不同试验年份，由于预期的不同环境变化，含量有所改变。奥托布拉蒂卡·坎纳瓦克隆品种和奥托布拉蒂卡·卡利帕克隆品种表现出一些独特的质量特征（游离酸度、过氧化物、脂肪酸组成和总多酚），与主要参照品种奥托布拉蒂卡有所不同。
