Formulation of Avocado Seed and Eucalyptus Leave as Antioxidant Herbal Tea Andi Nur Fitriani Abubakar (a*), Azrini Khaerah (b)
a) Chemistry Study Program, Faculty of Science, Bulukumba University of Muhammadiyah, Bulukumba 92561, Indonesia
*fitrychemistry20[at]gmail.com
b)Biology Education Study Program, Faculty of Teacher Training and Education, Bulukumba University of Muhammadiyah, Bulukumba 92561, Indonesia
Abstract
Avocado seeds are one of the plants that have high antioxidant content. In general, Indonesian people use avocado seed extract as herbal medicine by drinking boiled water from the extract. However, avocado seeds do not have a special scent, so to improve organoleptic properties, especially the addition of scent to avocado seed cooking water, another alternative is needed. One of them is the addition of eucalyptus leaves which are also reported to have high antioxidant content. The formulation of avocado seeds and eucalyptus leaves into herbal teas that have antioxidant functions has not been reported. The purpose of this study was to make herbal tea formulations of avocado seeds and eucalyptus leaves which are rich in antioxidants and favored by consumers. The methods used include water content test, phytochemical test, antioxidant activity test using DPPH method and organoleptic test using hedonic method. The water content values obtained from avocado seed and eucalyptus leaves simplicia were 8.63% and 8.14%, respectively. The results of phytochemical analysis using hot water extract showed that avocado seeds contain phenolics, flavonoids, saponins, tannins and alkaloids while eucalyptus leaves contain phenolics, flavonoids, and tannins. The formulation of avocado seeds and eucalyptus leaves with avocado seed 70% : eucalyptus leaf 30% (F4) is the best formulation that provides the highest antioxidant activity of 65.29% among other herbal tea formulations. The results of the organoleptic test of the F4 formulation with the addition of honey to the color and aroma indicators included in the very like category, while the taste indicators included in the like category.
