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Total liver retinol (A) and retinol concentrations (B) from saponified livers in Mongolian gerbils at baseline after 4 wk of being fed a vitamin A-free feed (Base, n = 6); or fed 60% potato (PT), rice (RC), banana (BN), or maize (MZ) with 0.5% high β-carotene carrot, or vitamin A-free feed with (CA) or without (VA-) 0.5% high β-carotene carrot for 4 wk in study 2 (n = 10/group). Values are means ± SD.
