S.No. Sample Location Test Observation A Turmeric powder           Standard sample (metanil yellow) Sample+Propanol+HCl Pink colouration appears     Sagarpur         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl Reddish-Pink colouration appears     iii) Sample+Propanol+HCl Reddish-Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl Pink colouration appears     Vikaspuri         i) Sample+Propanol+HCl Reddish- Pink colouration appears     ii) Sample+Propanol+HCl Reddish colouration appears     iii) Sample+Propanol+HCl Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl Reddish- Pink colouration appears     Possangipur         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl Reddish-Pink colouration appears     iii) Sample+Propanol+HCl Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl Reddish-Pink colouration appears     Chandnichowk         i) Sample+Propanol+HCl Reddish-Pink colouration appears     ii) Sample+Propanol+HCl Reddish-Pink colouration appears     iii) Sample+Propanol+HCl Reddish-Pink colouration appears     iv) Sample+Propanol+HCl Pink colourationappears     v) Sample+Propanol+HCl Reddish colouration appears     Uttamnagar         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl Reddish-Pink colouration appears     iii) Sample+Propanol+HCl Reddish-Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl Pink colouration appears   Turmeric Stem   Sample+Propanol+HCl Red colouration appears B Jelly           Standard sample (malachite green) Sample+Propanol+Neutralsulphite solution Green color disappears     JanakPuri         i) Sample+Propanol+Neutralsulphite solution Green color disappears     ii) Sample+Propanol+Neutralsulphite solution No change in colouration     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution No change in colouration     v) Sample+Propanol+Neutralsulphite solution Green color disappears     Dwarka         i) Sample+Propanol+Neutralsulphite solution No change in colouration     ii) Sample+Propanol+Neutralsulphite solution No change in colouration     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution Green color disappears     v) Sample+Propanol+Neutralsulphite solution No change in colouration     SagarPur         i) Sample+Propanol+Neutralsulphite solution Green color disappears     ii) Sample+Propanol+Neutralsulphite solution Green color disappears     iii) Sample+Propanol+Neutralsulphite solution No change in colouration     iv) Sample+Propanol+Neutralsulphite solution Green color disappears     v) Sample+Propanol+Neutralsulphite solution Green color disappears     VikasPuri         i) Sample+Propanol+Neutralsulphite solution Green color disappears     ii) Sample+Propanol+Neutralsulphite solution No change in colouration     iii) Sample+Propanol+Neutralsulphite solution No change in colouration     iv) Sample+Propanol+Neutralsulphite solution No change in colouration     v) Sample+Propanol+Neutralsulphite solution Green color disappears     PossangiPur         i) Sample+Propanol+Neutralsulphite solution Green color disappears     ii) Sample+Propanol+Neutralsulphite solution Green color disappears     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution No change in colouration     v) Sample+Propanol+Neutralsulphite solution Green color disappears C Green peas           Standard sample (malachite green) Sample+Propanol+Neutralsulphite solution Green color disappears     Janakpuri         i) Sample+Propanol+Neutralsulphite solution No change in colouration     ii) Sample+Propanol+Neutralsulphite solution No change in colouration     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution Green color disappears     v) Sample+Propanol+Neutralsulphite solution Green color disappears     Mayurvihar         i) Sample+Propanol+Neutralsulphite solution Green color disappears     ii) Sample+Propanol+Neutralsulphite solution No change in colouration     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution Green color disappears     v) Sample+Propanol+Neutralsulphite solution Green color disappears     Dwarka         i) Sample+Propanol+Neutralsulphite solution No change in colouration     ii) Sample+Propanol+Neutralsulphite solution Green color disappears     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution No change in colouration     v) Sample+Propanol+Neutralsulphite solution No change in colouration     Sagarpur         i) Sample+Propanol+Neutralsulphite solution Green color disappears     ii) Sample+Propanol+Neutralsulphite solution Green color disappears     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution No change in colouration     v) Sample+Propanol+Neutralsulphite solution Green color disappears     PossangiPur         i) Sample+Propanol+Neutralsulphite solution No change in colouration     ii) Sample+Propanol+Neutralsulphite solution Green color disappears     iii) Sample+Propanol+Neutralsulphite solution Green color disappears     iv) Sample+Propanol+Neutralsulphite solution Green color disappears     v) Sample+Propanol+Neutralsulphite solution Green color disappears D Namkeen           Standard sample (metanil yellow) Sample+Propanol+HCl Pink colouration appears     Uttamnagar         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl No Pink colouration appears     iii) Sample+Propanol+HCl No Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl Pink colouration appears     Possangipur         i) Sample+Propanol+HCl No Pink colouration appears     ii) Sample+Propanol+HCl No Pink colouration appears     iii) Sample+Propanol+HCl Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl No Pink colouration appears     Vikaspuri         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl No Pink colouration appears     iii) Sample+Propanol+HCl No Pink colouration appears     iv) Sample+Propanol+HCl Pink colouration appears     v) Sample+Propanol+HCl No Pink colouration appears     Sagarpur         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl No Pink colouration appears     iii) Sample+Propanol+HCl No Pink colouration appears     iv) Sample+Propanol+HCl Pink colourationappears     v) Sample+Propanol+HCl Pink colouration appears     Chandnichowk         i) Sample+Propanol+HCl Pink colouration appears     ii) Sample+Propanol+HCl No Pink colouration appears     iii) Sample+Propanol+HCl No Pink colouration appears     iv) Sample+Propanol+HCl No colouration appears     v) Sample+Propanol+HCl Nocolouration appears

Table 1: Observations after preliminary color test.