The effects of iron and copper status and of dietary carbohydrates on the activity of rat intestinal β-carotene 15,15'-dioxygenase

British Journal of Nutrition

Volumn 84, Issue 1, 2000, Pages 3-4

  Olson, J A ^a  

^a IOWA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BETA CAROTENE; CARBOHYDRATE; COPPER; FRUCTOSE; GLUTATHIONE; INTESTINE ENZYME; IRON; POLYUNSATURATED FATTY ACID; STARCH;

COPPER DEFICIENCY; DIETARY INTAKE; DRUG TRANSFORMATION; ENZYME ACTIVITY; IRON KINETICS; NONHUMAN; NOTE; RAT; RETINOL DEFICIENCY; VITAMIN METABOLISM;

EID: 0033859574     PISSN: 00071145     EISSN: None     Source Type: Journal    
DOI: 10.1017/s0007114500001161     Document Type: Note

References (16)

1. Bioavailability and bioconversion of carotenoids
2. Copper deficiency does not affect conversion of β-carotene to vitamin A in rats
3. β-Carotene 15,15'-dioxygenase activity is responsive to copper and iron concentrations in rat small intestine
4. Intestinal β-carotene 15,15'-dioxygenase activity is markedly enhanced in copper-deficient rats fed on high-iron diets and fructose
5. Iron in medicine and nutrition
6. Biosynthesis of vitamin A with rat intestinal enzymes
7. Stoichiometric conversion of all-trans-β-carotene to retinal by pig intestinal extract
8. Carotenoids
9. The enzymatic cleavage of beta-carotene into vitamin A by soluble enzymes of rat liver and intestine
10. Modification of vitamin A metabolism in rats fed a copper-deficient diet
11. Effect of iron on liver vitamin A and β-carotene stores in rats fed β-carotene as sole source of vitamin A
12. Copper
13. The contribution of vitamin A to public health
14. The bioconversion of β-carotene into retinoids