Validated HPTLC analysis method for quantification of variability in content of curcumin in Curcuma longa L (turmeric) collected from different geographical region of India

The highest and lowest concentration of curcumin in Turmeric was found to be present in sample of Erode (Tamilnadu) and Surat (Gujrat) respectively which inferred that the variety of turmeric found in Erode (Tamilnadu) is much superior to other region of India.