Production of concentrated Ya Pak King drink by vacuum microwave drying
2004
Suntornsuk, W. | Kankrengwong, J. | Jirasant, S. | Wanprakeaw, P. (King Mongkut's University of Technology Thonburi, Bangkok (Thailand). Faculty fo Science. Dept. of Microbiology)
Ya Pak King juice is currently popular among Thai consumers. However, some people do not like to drink it because of its pungent smell and flavor. The objectives of this investigation were to improve consumer perception of ready-to-drink Ya Pak King jice and to produce the concentrated drink by vacuum microwave drying. The herbal juice from Ya Pak King was prepared and formulated with lemon juice and honey by the Mixture Design. The drink flavor and taste were then modified by the addition of sugar and citric acid and the drink was, finally, concentrated by a vacuum microwave oven. The results showed that the ratio of the herbal juice: honey: lemon juice at 30:55:15 gave the highest acceptance score from panelists. In addition, the drink modified to achieve 20 deg Brix total soluble solid and 0.45 percent acidity was the most acceptable. After testing the Ya Pak King beverage diluted from the concentrated drink and the drink before concentration, no significant difference in characteristics of the two products was found.
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Эту запись предоставил Kasetsart University