FORMULASI PEMBUATAN TABLET EFFERVESCENT MENGGUNAKAN EKSTRAK KUNYIT DENGAN PENAMBAHAN VITAMIN C

COVID-19 pandemic is still serious problem. Awareness is needed to maintain body' immunity. Turmeric is a type of rhizome that high antioxidant content that has potential to increase body immunity. Turmeric is commonly consumed form of herbal medicine, which can be converted into preparations in the effervescent tablets with more practical advantages. This study aims to examine the effect of adding concentration of turmeric extract and vitamin C to the antioxidant value, physical characteristics, and organoleptic. The experimental design used a factorial design with two factors, namely concentration of turmeric extract (30% and 40%) and concentration of vitamin C (5, 10, and 15%). The research stages include process of making extracts and then making effervescent tablets. The results showed that the antioxidant activity was expressed highest IC50 in the C15K40 sample with a value of 0.88. The uniformity of tablet weight has complied with Indonesian pharmacopoeial standards. The dissolution time of effervescent tablets of all treatments was significantly different with the fastest value of 190 seconds, the color test results showed that color was influenced by addition of turmeric extract. Organoleptic testing showed no significant difference, but overall the C10K30 sample was preferred by panelists.