Abstract
Objective: This study aimed to obtain a formula with an optimal sweetener concentration of beet extract that can cover the bitter taste of bitter melonand confer optimal physical properties on the syrup.Methods: The syrups were prepared by mixing bitter melon extract, sucrose, beet extract, sorbitol, sodium benzoate, strawberry essence, anddemineralized water. The control formula and formulas 1, 2, and 3 contained beet extract at concentrations of 0% and 10%, 15%, and 20%, respectively.All formulas were evaluated to determine their physical properties, stability, and bitterness. The bitterness was tested on 30 respondents, with databeing analyzed using Wilcoxon’s test on SPSS software.Results and Conclusion: Formula 3 with 20% beet extract was identified as the best formula for masking bitter taste because it had a significantlybetter average value than the other formulas (p<0.05) and the highest bitterless taste percentage (86.67%), with physical properties of a brownishblackcolor, odor of mixture of strawberry and dominant beet, a sweet and dominant beet taste, pH 5.46, and specific gravity of 1.228 g/mL.
Highlights
Bitter melon (Momordica charantia L.), a medicinal plant, is commonly used in Indonesia
The background above prompted this research on formulations of bitter melon syrup extracts (M. charantia L.) with various sweetener concentrations of beet (Beta vulgaris) to cover the bitter melon taste; the aim was to obtain a formula with an optimal sweetener concentration of beet extract that can cover the bitter taste of bitter melon and confer optimal physical properties on the syrup
The smell and taste were increasingly dominated by the extract of the beet itself with a greater concentration of beet extract used, with the smell and taste of beet extract being more dominant in the dosage form of syrup
Summary
Bitter melon (Momordica charantia L.), a medicinal plant, is commonly used in Indonesia. It grows well in this country because it is suited to growth in the tropics, either wild or planted. It is commonly used as a food complement and has various health benefits. To increase the practicality of using bitter melon as a medicine without reducing its stability, it needs to be prepared in dosage forms. One of these options is a liquid dosage form, such as bitter melon extract syrup [2]
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