不同产地南果梨果实品质比较

Nanguo Fruit Quality Comparisons Produced at Different Growing Areas

用5个主要南果梨产区的南果梨进行试验,重点测果实糖分组成。结果表明:南果梨果实的糖分组成以果糖为主,占总糖的50%以上;不同产地南果梨果实总糖、可滴定酸、Vc及糖组分含量差异较大,阜新地区南果梨总糖及果糖含量最高,分别为190.27、99.65mg/mL,海城地区南果梨总糖及果糖含量最低,分别为97.74、60.24mg/mL,虽然鞍山地区是南果梨的优势产区,但鞍山地区的南果梨总糖及果糖含量却不是最高的,这个结果与生产中反映的鞍山南果梨果实品质近年来有所下降相符合。

The experiment was carried out in five main Nanguo pear growing areas within Liaoning province, focusing on determinating sugar composition in fruit. Results showed that fructose was major form of sugar in Nanguo pear fruit, accounting for above 50% of total sugar content. Significant differences in contents of acid, Vc and sugar were found in fruits from different growing areas. Nanguo pears produced in Fuxin area showed highest contents in sugar and fructose at 190. 27 mg/mL and 99.65 mg/mL respectively. While pears from Haicheng areas showed the lowest value at 97.74 mg/mL and 60. 24 mg/mL of each item. Both sugar and fructose contents of Nanguo pear produced in Anshan area did not showed the highest in figure among five examined pear-producing areas, which wasappreciate＇to situation that the quality of Nangou pear in this area has been declining in recent years.