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原先柑桔是剥皮后榨汁的,先把桔果投入80～90℃热水中,热烫后再用机械剥皮。这种方法会使桔汁产生煮过味而失去原有的风味;同时既费劳力、又增成本。 本发明采用柑桔全果榨汁,将新鲜榨汁液以离心分离法除去果浆,再将所得桔汁通过吸附精油的固体树脂吸附层,使桔汁中含适量精油,达到保存性和风味良好。 作为精油吸附剂的固体树脂,以呈纤维状或粒状的聚丙烯、聚乙烯等树脂为好。可以单独或组合使用。尤其聚丙烯系树脂,是一种很有希望的材料,它单独使用或与聚乙烯树脂组合使用效果良好。
The original citrus is peeled juice, the first orange put into 80 ~ 90 ℃ hot water, hot and then use mechanical peeling. This method will make orange juice boiled taste lost the original flavor; at the same time it is both labor-intensive and cost. The invention adopts the whole fruit juicing of citrus, the fresh squeezed juice is centrifuged to remove the pulp, and the obtained orange juice is passed through the solid resin adsorption layer of the adsorbed essential oil so that the orange juice contains an appropriate amount of essential oil to achieve good preservability and good flavor . As the solid resin of the essential oil adsorbent, it is preferable to use a resin such as polypropylene or polyethylene in fibrous or granular form. Can be used alone or in combination. Polypropylene resin, in particular, is a promising material that is used alone or in combination with polyethylene resins.