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Effect of postharvest treatments of mechanically harvested 'Manzanilla' table olives on product quality
Postharvest Biology and Technology ( IF 6.4 ) Pub Date : 2021-01-13 , DOI: 10.1016/j.postharvbio.2021.111462
Isaac Zipori , Ayelet Fishman , Zohar Ben-Barak Zelas , Yulia Subbotin , Arnon Dag

'Manzanilla', today's main table olive cultivar, is traditionally harvested manually. However, manual harvesting is becoming less economically feasible due to increasing labor costs and a shortage of workers. Consequently, we examined options for mechanical harvesting of these table olives. The 'Manzanilla' fruit skin is sensitive to bruising and damage caused by mechanical harvesting. Therefore, postharvest field (PHF) treatments were studied, to reduce the percentage of damaged fruit in the final product. The effect of PHF treatments on final product quality of mechanically harvested 'Manzanilla' table olives was studied over 6 consecutive years (2011–2016). In the first part of the study (2011–2013), a wide range of treatments was tested in 2 L containers; the most promising one seemed to be immersing the fruit in a 1 % NaOH solution immediately after harvest. Later in the study, this treatment was also tested in commercial-scale containers, with acceptable results, although there was a certain variability between years and even between different olive batches in the same year. Although the grower wishing to apply such a treatment is faced with a certain logistical challenge, it allows for the possibility of applying mechanical harvesting to 'Manzanilla', a procedure which, until now, has been considered unsuitable for this table olive cultivar.



中文翻译:

机械收获的“曼萨尼亚”食用橄榄采后处理对产品质量的影响

“ Manzanilla”是当今的主要食用橄榄品种,传统上是人工收获的。然而,由于人工成本增加和工人短缺,人工采伐在经济上变得不可行。因此,我们研究了机械采摘这些食用橄榄的方法。'Manzanilla'水果皮对机械收割引起的瘀伤和伤害敏感。因此,研究了采后田(PHF)处理,以减少最终产品中受损水果的百分比。连续6年(2011-2016年)研究了PHF处理对机械收获的“ Manzanilla”食用橄榄最终产品质量的影响。在研究的第一部分(2011-2013年)中,在2 L容器中测试了多种处理方法;最有前途的似乎是收获后立即将果实浸入1%NaOH溶液中。在研究的后期,尽管在不同年份之间,甚至同一年的不同橄榄批次之间都有一定的差异,但这种处理方法还在商业规模的容器中进行了测试,结果令人满意。尽管希望采用这种处理方法的种植者面临一定的后勤挑战,但它允许对“ Manzanilla”进行机械收割的可能性,这种方法至今仍被认为不适用于该食用橄榄品种。尽管年份之间甚至同一年的不同橄榄批次之间都存在一定的差异。尽管希望采用这种处理方法的种植者面临一定的后勤挑战,但它允许对“ Manzanilla”进行机械收割的可能性,这种方法至今仍被认为不适用于该食用橄榄品种。尽管年份之间甚至同一年的不同橄榄批次之间都存在一定的差异。尽管希望采用这种处理方法的种植者面临一定的后勤挑战,但它允许对“ Manzanilla”进行机械收割的可能性,这种方法至今仍被认为不适用于该食用橄榄品种。

更新日期:2021-01-13
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