Quantification of Total Phenolics and Curcumin Content in Different Turmeric Germplasm

Phenolics are secondary metabolites known as the natural antioxidants. They play significant role in plant defence against the pathogens, therefore used as treatment and to control the pathogenic infections in human also. Turmeric is well-known and valued medicinal plant due to the presence of natural occurring secondary metabolite. The present study aimed to evaluate the total phenolics and curcumin content from the leaves and rhizomes of turmeric germplasms. For this purpose, 30 turmeric germplasm with diverse background were used. The total phenolics were isolated from methanolic extracts of leaves and rhizome. Whereas curcumin content were only quantified from rhizomes samples. In leaves, the total phenolic content was found from minimum 89.36 mgGAE/100g to maximum 282.52 mgGAE/100g. On the other hand, the total phenolics from rhizomes of turmeric was found minimum 49.12 mgGAE/100g to maximum 142.06 mgGAE/100g and in rhizome extracts. The curcumin content ranged from 0.50 g/100g to 1.32 g/100g in rhizomes of turmeric.