低糖苦瓜绿茶复合饮料的研制

Development of Low Sugar Bitter Melon Green Tea Compound Beverage

以新鲜苦瓜、绿茶为主料,木糖醇、蔗糖及柠檬酸等为辅料,研制新型清凉保健茶饮料。利用单因素实验和正交试验方法,以感官评价为依据研制低糖苦瓜绿茶复合饮料的最佳配方。结果表明,最佳配方为:苦瓜汁添加量为7%,绿茶浸提液添加量为20%,木糖醇与蔗糖总量为6%(质量比为1∶1),柠檬酸添加量为0.2%,用去离子水定容至100%。以此组合制得的产品色泽浅绿、香气协调、酸甜适中、质地澄清均一、后味绵长,茶多酚含量342mg/kg、可溶性固形物5.2%、pH5.8。

With fresh balsam pear and green tea as main materials,xylitol,sugar and citric acid as auxiliary materials,a new refreshing health tea beverage was developed.The optimum formula of low-sugar bitter gourd green tea compound beverage was developed by single factor test and orthogonal test based on sensory evaluation.The results showed that the optimum formula was as follows:balsam pear juice 7%,green tea juice 20%,xylitol and sugar 6%(ratio 1∶1),citric acid 0.2%,and deionized water 100%.The product has light green color,harmonious aroma,moderate sweetness and sour,uniform texture,long aftertaste,342mg/kg tea polyphenols content,5.2%soluble solids,pH5.8.