Forty-one years later, in 1919, Congress approved the amendment and submitted it to the states for ratification. It was ratified by the requisite number of states a year later, with Tennessee 's ratification being the final vote needed to add the amendment to the Constitution.In Leser v. Garnett (1922), the Supreme Court rejected claims that the amendment was unconstitutionally adopted.t was ratified by the requisite number of states a year later, with Tennessee 's ratification being the final vote needed to add the amendment to the Constitution. In Leser v. Garnett (1922), the Supreme Court rejected claims that the amendment was unconstitutionally adopted.
Retinyl palmitate, or vitamin A palmitate, is the ester of retinol (vitamin A) and palmitic acid, with formula C 36 H 60 O 2.An alternate spelling, retinol palmitate, which violates the-yl organic chemical naming convention for esters, is also frequently seen.t is a common vitamin supplement, available in both oral and injectable forms for treatment of vitamin A deficiency, under the brand names Aquasol A, Palmitate A and many others. It is a constituent of intra ocular treatment for dry eyes at a concentration of 138 Âµg/g (VitA-Pos) by Ursapharm.
Dietary Forms. You consume vitamin A in one of two forms. Preformed vitamin A, also known as retinoids, is found in animal sources. Provitamin A carotenoids are from plant sources and include beta-carotene, alpha-carotene and beta-cryptoxanthin.Your body doesnât absorb beta-carotene as efficiently as preformed vitamin A because it must covert the former to retinal or retinol.For example, 12 micrograms of beta-carotene from food is equivalent to 1 microgram of retinol in your body.rovitamin A carotenoids are from plant sources and include beta-carotene, alpha-carotene and beta-cryptoxanthin. Your body doesnât absorb beta-carotene as efficiently as preformed vitamin A because it must covert the former to retinal or retinol.