This research aims to develop a formula and manufacturing process gummy jelly of guava leaf extract to inhibit bacteria that cause bad breath. By studying the formula and the right amount of guava leaf extract in the product development gummy jelly. The experimental design was CRD by varying the amount of guava leaf extract three levels of 0.05%, 0.1% and 0.15% to test the physical, chemical and testing sensory found the right formula of gummy jelly is available. ratio of 28% water, 33% sugar, glucose syrup, citric acid 26% 1% 5% honey and guava leaf extract 0.05%, to measure humidity. Water activity and color values L *, a *, b * then test consumer acceptance (N-100) on a 9 point hedonic scaling the product quality gummy jelly contains moisture, 15.02% water activity of 0.73. % color values L *, a * and b * of 18.48, 0.94 and 1.92 respectively, hardness (hardness) the ability to unite the island. (Cohesiveness) the ability to return to its original size and shape. (Springiness) and difficulty in chewing (chewiness) the adhesion of food and other objects. (Adhesiveness) is equal to 5737.93, 0.93, 62.29, 522.71 and 3316.89, respectively, and the acceptance of consumers have scores in each. Most feature Like scores ranging from mild to moderate like. And the acceptance and purchasing decisions on products are 100% and 95% respectively.
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