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首页> 外文期刊>Acta Horticulturae >Oil quality of olive cv. 'Leccino' grown under irrigated or dry-farmed conditions.
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Oil quality of olive cv. 'Leccino' grown under irrigated or dry-farmed conditions.

机译：橄榄油的油品质量。在灌溉或旱作条件下生长的“ Leccino”。

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摘要

A study was conducted in Tuscany, Italy during 2001 to investigate the differences in oil qualitative characters among 15-year-old olive plants (cv. Leccino) grown under irrigated and dry-farm conditions. Fruits were harvested during the full pigmentation of the epicarp or at green-black skin colour. Free acidity, peroxide number, K232, K270 and fatty acid composition were measured through SPME-GC-MS, while phenolic compounds were colorimetrically assessed. Irrigation did not affect free acidity, peroxide number and fatty acid composition of the oil. Oil obtained from black fruits of irrigated plants was more pungent and bitter than that from dry-farmed trees, probably due to low polyphenol content in irrigated trees. Oil harvested from green fruits from irrigated trees was more floral and fruity than from dry-farmed trees. In dry-farmed trees, pungency and bitterness were greater in fruits harvested during the black skin stage than those harvested during the green stage.
机译：2001年在意大利的托斯卡纳进行了一项研究，以研究在灌溉和旱作条件下生长的15年龄橄榄植物（ccc。Leccino）的油质特征。在果皮完全色素沉着期间或在果皮为黑绿色时收获果实。通过SPME-GC-MS测定游离酸度，过氧化物值，K232，K270和脂肪酸组成，同时通过比色法评估酚类化合物。灌溉不影响油的游离酸度，过氧化物数和脂肪酸组成。从灌溉植物的黑色果实中提取的油比从干耕树中提取的油更辛辣，更苦，这可能是由于灌溉树中的多酚含量较低。从灌溉树上的绿色水果中收获的油比从干燥农场中的树木中获得的花香和果味更多。在干耕树中，黑色皮肤阶段收获的果实的辛辣和苦味比绿色阶段收获的果实的辛辣和苦味更大。

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