<![CDATA[Today the condition of Indonesian society tends to be concerning. People prefer to use motorized vehicles when travelingrather than walking or using bicycles. All of this will result in an increase in free radicals in the body. To overcome thedangers of free radicals, antioxidants are needed. Indonesia is very rich in natural resources, including various plants, one ofwhich is the telang flower (Clitoria ternatea L.) which is thought to have antioxidant activity. To determine the antioxidantactivity of telang (Clitoria ternatea L.) flowers using the DPPH (2,2-Diphenyl 1-1 Picrylhydrazyl) method. Classification ofsecondary metabolite compounds found in flower telang (Clitoria ternatea L.) includes alkaloids, flavonoids, quinones,saponins, tannins, and steroids with the technique used with the DPPH test. The results of the test sample for the extract oftelang flower (Clitoria ternatea L.) have an IC50 of 356.65 ppm and are classified as very weak. The IC50 value assessment ofthe ethanol extract of telang flower (Clitoria ternatea L.) with methanol as solvent has a value of 95. Assessment ofantioxidant activity can be assessed from IC50. The IC50 assessment of the flower telang (Clitoria ternatea L.) has obtaineddifferent results, namely the weak and strong IC50. This can be influenced by the maximum wavelength used, as well as thestorage temperature of the extract of a plant. In addition, a good solvent, namely methanol, is needed in measuring the IC50of telang flower (Clitoria ternatea L.) using DPPH.]]>
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