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Sensory and physicochemical evaluation of acerola nectar sweetened with sucrose and different sweeteners

机译:蔗糖和不同甜味剂增甜的针叶花蜜的感官和理化评价。

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摘要

This paper aims to evaluate the physicochemical characteristics, sensory acceptance, and purchase intent of acerola nectar sweetened with sucrose and other sweeteners (neotame, sucralose and stevia extracts with 40%, 60%, 80%, and 95% rebaudioside A). The analyses were carried out for pH, soluble solids, total titratable acidity, ascorbic acid, and colorimetry (L*a*b). The acceptance test was performed by 120 consumers who evaluated the appearance, aroma, flavor, texture, and overall impression of the samples using a 9-cm unstructured hedonic scale. Furthermore, the consumers were asked to rate overall purchase intent along the scale anchored with (1) would definitely not purchase to (5) would definitely purchase. The results were evaluated using analysis of variance/Tukey test and the internal preference mapping technique. The acerola nectar samples did not differ significantly (p>0.05) between themselves in terms of vitamin C content and total titratable acidity. As for appearance and aroma, there was no significant difference (p>0.05) between the samples, and as for flavor and overall impression, the most accepted samples were those with sucrose and sucralose. The internal preference mapping indicated that the most accepted samples were those with sucrose, sucralose, and neotame were. The highest frequency of positive purchase intent scores was observed for sucrose and sucralose.
机译:本文旨在评估用蔗糖和其他甜味剂(含40%,60%,80%和95%莱鲍迪甙A的甜菜碱,三氯蔗糖和甜菊提取物)增甜的金虎尾花蜜的理化特性,感官接受度和购买意向。进行了pH,可溶性固形物,总滴定酸度,抗坏血酸和比色法(L * a * b)的分析。接受测试由120位消费者执行,他们使用9厘米非结构化享乐秤评估了样品的外观,香气,风味,质地和总体印象。此外,要求消费者按照(1)绝对不会购买到(5)绝对会购买的等级来评估总体购买意图。使用方差/ Tukey检验分析和内部偏好映射技术评估结果。针叶花蜜样品之间的维生素C含量和总滴定酸度之间无显着差异(p> 0.05)。至于外观和香气,样品之间没有显着差异(p> 0.05),而就风味和总体印象而言,最被接受的样品是具有蔗糖和三氯蔗糖的样品。内部偏好图谱显示接受最多的样品是蔗糖,三氯蔗糖和纽甜的样品。蔗糖和三氯蔗糖的阳性购买意愿得分最高。

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