All the dried extracts were mixed with ethanol, filtered for performing the various preliminary identifications for the flavonoids.
Shinoda test: The 95% ethanol (5 ml) and HCL was added to the filtrate and after that, magnesium turning was added, monitored for the presence of pink color reveals the occurrence of flavonoids.
Lead acetate solution: The solution was mixed with the filtrate, monitored for the appearance of yellow-colored precipitates reveal the occurrence of flavonoids.
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