Abstract: In order to meet the orange juice processing for extending the processing season in the Three Gorge area, some sweet orange varieties or selections with different maturing time, higher soluble solid and lower acidity were screened from local varieties and varieties introduced from abroad.It was proved, by the study on the quality and maturity of orange varieties in the Three Gorge area, that the varieties configuring of the very early sweet orange ‘Early-Gold’, the early Valencia orange ‘Midknight’ and the late Valencia orange ‘Olinda’ with the Jingcheng orange and the late Jingcheng colected from local varieties, can harvest from November to June in Three Gorge area so that the orange juice processing period can be extended from 3-4 months now to 8 months, it will basically match to the demand of processing factories.Some sweet orange varieties with higher soluble solid and lower acidity, such as Changye orange and Yiyuan No.3, and some acidless varieties such as ‘Early Gold’ and ‘Egypt Sugar orange’, etc.can be used for reducing the orange juice acidity and greatly improving the juice quality in this region.

Key words: orange, variety, orange juice, processing

摘要： 为满足三峡库区橙汁加工对甜橙品种熟期配套和品质调控的需要,通过对引进的特早熟品种早金(Early Gold)、早熟夏橙品种蜜奈(Midknight)和晚熟夏橙品种奥林达(Olinda),以及从本地主栽甜橙品种锦橙中选出的中晚熟品种晚熟锦橙的品质和熟期分析,初步证明这几个品种与本地主栽品种锦橙配套,可以实现从11月至次年6月的8个月成熟期配套,基本满足橙汁加工厂周年生产的需要。筛选出的长叶橙、宜圆3号等国内品种和从国外引进的埃及糖橙、早金等品种,其果汁具有较高的含糖量和固酸比,可用于调配降低三峡库区橙汁的酸度,改善果汁风味。

关键词: 甜橙, 品种, 橙汁, 加工