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Oil mill coadjuvants: aggregation due to moisture and action on olive-pomace oils
Journal of Food Engineering ( IF 5.5 ) Pub Date : 2018-11-01 , DOI: 10.1016/j.jfoodeng.2018.05.013
Manuel Moya , Sonia Alcalá , María Teresa Ocaña , Alfonso Vidal , Francisco Espínola

Abstract Pomace is an oil mill byproduct and the raw material for extracting olive pomace oil. The pomace is stored several months in ponds until it is processed. Tests have been carried out in stored olive pastes, malaxated with and without different coadjuvants. These pastes have been equated to the oil mill pomace. Coadjuvants increase the water pH in 0.8 units. 89.5% of the initial oil is recovered from pastes without coadjuvant; 91.1% from pastes with calcium carbonate and 80.5% from pastes with talc. The free acidity is 1.9%, 2.6% and 2.1% respectively. The maximum amount of refined pomace oil is obtained when calcium carbonate is used and the minimum when talc is used. Moisten the adjuvants affects talc and calcium carbonate differently, although both of them easily releases the original micro-powder. Moisture does not affect the technological action of the coadjuvants or modify their physical characteristics.

中文翻译:

油厂助剂:由于水分和橄榄果渣油的作用引起的聚集

摘要 果渣是榨油厂的副产品,是提取橄榄果渣油的原料。果渣在池塘中储存数月直至加工。测试是在储存的橄榄酱中进行的,用和不用不同的辅助剂混合。这些糊状物等同于油厂果渣。助剂可将水的 pH 值提高 0.8 个单位。89.5% 的初始油是从不含助剂的糊状物中回收的;91.1% 来自含碳酸钙的糊状物,80.5% 来自含滑石的糊状物。游离酸度分别为1.9%、2.6%和2.1%。使用碳酸钙时获得的精制果渣油量最大,使用滑石时获得的量最少。润湿助剂对滑石粉和碳酸钙的影响不同,尽管它们都容易释放原始微粉。
更新日期:2018-11-01
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