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“The addition of xanthophyll apparently decreased the gastro-intestinal destruction of carotene, vitamin A alcohol , and vitamin A acetate and, thus, enhanced the response to the 3 vitamin A sources at the levels fed.”
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine • 1947 | View Paper
“Oral administration of lutein (50 mg/kg during 14 days) attenuated memory deficit and the increase of acetylcholinesterase activity induced by ethanol.”
“Some of the main findings are as follows: (1) reverse micellar and W/O compositions solubilized both luteins better than an O/W microemulsion, … the esterified lutein is better accommodated within the O/W microemulsion; (3) vegetable oils decrease the solubilization of free lutein; (4) glycerol and alcohol … luteins; (….”