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四川是我国柑桔主产地区之一,是橙类栽培最多的地方。近年来四川橙类的栽培面积逐年扩大,产量不断增加,对供应国内人民生活需要,提供外贸出口,都取得了显著成绩。但是,由于品种、栽培管理、采收、包装、运输与贮藏等多方面原因,果实的品质差,主要是酸味重,甜度低,在橙类大量采收时(11—12月中旬),果汁中的总酸含量在1%以上,比广东甜橙高1至2倍,糖酸比值低,一般
Sichuan is one of the main citrus producing areas in China, where oranges are the most cultivated. In recent years, the cultivated area of Sichuan oranges has been expanding year by year, and the output has been on the rise. All these have achieved remarkable results in supplying the needs of domestic people and providing the export of foreign trade. However, due to many reasons such as variety, cultivation and management, harvesting, packaging, transportation and storage, the quality of the fruit is poor, mainly due to heavy sourness and low sweetness. During the large harvest of oranges (from mid November to December) The total acid content of fruit juice in 1%, 1 to 2 times higher than the Guangdong sweet orange, sugar acid ratio is low, the general