Analysis of phenolic compounds content and free radical scavenging capacity of Chrysanthemum flower extracts
Keywords:
Chrysanthemum indicum, Chrysanthemum morifolium, free radical scavenging capacity, phenolic compoundsAbstract
The study was aimed to compare the content of phenolic compounds and flavonoids of Chrysanthemum indicum and Chrysanthemum morifolium flower extracts by using 2 types of solvents, 95 percent ethanol, and sterile distilled water. The results showed that the total amount of phenolic compounds of white chrysanthemum extracted with ethanol 95 percent concentration was highest is 343.40 ± 6.88 mg equivalent of gallic acid per gram of dry weight. In the other hand, the type of solvent does not affect the content of phenolic compounds of yellow chrysanthemum flowers. Extraction of yellow and white chrysanthemum flowers with ethanol resulted in a higher content of flavonoids than distilled water extracts, equivalent to 455.75 ± 12.38 and 441.92 ± 43.59 mg equivalent of catechin per gram dry weight, respectively. The extract has been found to be a good antioxidant by exhibit strong free radicals scavenging namely, 2,2-Diphenyl-1-picrylhydrazyl (DPPH) equal to 197.04 ± 1.57 mg equivalent of vitamin C per gram dry weight. In addition, the Chrysanthemum extracts can reduce iron that can accelerate oxidation and were not significant (p>0.01). The knowledge obtained can be used for optimization the conditions for extracting Chrysanthemum flowers in order to obtain both the quantity and quality of the substances that need to be applied in medical and commercial uses.
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