Blends of lemongrass derivatives and lime for the preparation of mixed beverages: antioxidant, physicochemical, and sensory properties
2019
Kieling, Dirlei Diedrich | Prudencio, Sandra Helena
BACKGROUND: Lemongrass is an aromatic plant with antioxidant and antimicrobial properties, used for the preparation of medicinal tea and for essential oil production. Previous studies have shown that extracts of lemongrass leaves contain phenolic compounds associated with health benefits. Although essential oils have been widely used as flavoring agents, there is no scientific evidence regarding the use of lemongrass essential oils in beverages. Thus, the objectives of the present study were to develop blends with lemongrass derivatives (aqueous extract, lyophilized extract, and essential oil) and lime juice for the preparation of mixed beverages, to evaluate the antioxidant and physicochemical characteristics of blends, and to determine the sensory profile and acceptance of mixed beverages. RESULTS: The formulated blends showed favorable physicochemical characteristics such as acidity and color, and they contained bioactive compounds (phenolics and vitamin C) and important antioxidant properties. Mixed beverages prepared from blends containing aqueous extract or lyophilized extract plus essential oil, which showed higher intensity of lemongrass aroma and flavor, were more readily accepted. CONCLUSION: This study demonstrates that it is possible to make suitable blends with lemongrass derivatives and lime juice for the preparation of high‐quality mixed beverages with sensory pleasantness, and potentially beneficial health components. © 2018 Society of Chemical Industry
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