Meconic acid was first isolated by Friedrich Sert�rner in 1805.
2.
Meconic acid gives a red color with ferric chloride.
3.
Meconic acid forms salts with alkaloids and metals.
4.
Meconic acid is a dicarboxylic acid.
5.
Meconic acid is colorless and is only slightly soluble in water but readily soluble in alcohol.
6.
These salts as well as meconic acid esters are called "'meconates " '.
7.
Meconic acid constitutes about 5 % of opium and can be used as an analytical marker for the presence of opium.
8.
Meconic acid has erroneously been described as a mild narcotic, but it has little or no physiological activity, and is not used medicinally.
9.
"' Others "': Other characteristic substances contained within these species include : meconic acid and chelidonic acid, as well as cyanogenic glycoside compounds derived from tyrosine : dhurrin and triglochinin; in the Fumarioideae while the Chelidonieae contain the free amino acid ?-acetylornithine.
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