Factors influencing the conversion of carotenoids to retinol: Bioavailability to bioconversion to bioefficacy

International Journal for Vitamin and Nutrition Research

Volumn 72, Issue 1, 2002, Pages 40-45

  Tanumihardjo, Sherry A ^a  

^a UNIVERSITY OF WISCONSIN MADISON   (United States)

Author keywords

Bioavailability; Bioconversion; Bioefficacy; Carotenoids; Retinol; Vitamin A

Indexed keywords

EID: 0036183967     PISSN: 03009831     EISSN: None     Source Type: Journal    
DOI: 10.1024/0300-9831.72.1.40     Document Type: Conference Paper

References (45)

1. Bioefficacy of β-carotene dissolved in oil studied in children in Indonesia
2. Absorption, metabolism, and transport of carotenoids
3. Incorporation of β-carotene into mixed micelles
4. β-Carotene-15-15′-dioxygenase (EC 1.13.11.21) isolation reaction mechanism and an improved assay procedure
5. Stoichiometric conversion of all trans-beta-carotene to retinal by pig intestinal extract
6. Orange fruit is more effective than are dark-green leafy vegetables in increasing serum concentrations of retinol and β-carotene in schoolchildren in Indonesia
7. Dietary carotenoids and their role in combating vitamin A deficiency: A review of the literature
8. Bioavailability and bioconversion of carotenoids
9. Evidence of cis-trans isomerization of 9-cis-β-carotene during absorption in humans
10. Evaluation of the bioavailability of lutein (L) and lutein diesters (LD) in human
11. Amount of fat in the diet affects bioavailability of lutein esters but not of α-carotene, β-carotene, and vitamin E in humans
12. Assessment of the intestinal retention of beta-carotene in humans
13. βCarotene in breast milk and serum is increased after a single β-carotene dose
14. Carotenoid profile of nutritionally enhanced carrots
15. Carotenes in typical and dark orange carrots
16. Intestinal absorption, serum clearance, and interactions between lutein and β-carotene when administered to human adults in separate or combined oral doses
17. Effect of lutein on beta-carotene absorption and cleavage
18. Pharmacokinetics of β-carotene and canthaxanthin after ingestion of individual and combined doses by human subjects
19. Interactions in the postprandial appearance of β-carotene and canthaxanthin in plasma triacylglycerol-rich lipoproteins in humans
20. The plasma β-carotene response to a single meal of carrots in Guatemalan schoolchildren
21. Plasma concentrations of carotenoids in healthy volunteers after intervention with carotenoid-rich foods
22. Bioavailability of β-carotene is lower in raw than in processed carrots and spinach in women
23. Comparison of serum carotenoid responses between women consuming vegetable juice and women consuming raw or cooked vegetables
24. Lack of improvement in vitamin A status with increased consumption of dark-green leafy vegetables
25. Can lack of improvement in vitamin A status indicators be explained by little or no overall change vitamin A status of humans?
26. Response of estimated total body vitamin A stores to daily supplementation with green leafy vegetables or sweet potatoes in healthy Bangladeshi men
27. Effect of dietary fat on absorption of β-carotene from green leafy vegetables
28. Plasma β-carotene response in humans after meals supplemented with dietary pectin
29. Effects of supplemental beta-carotene, cigarette smoking, and alcohol consumption on serum carotenoids in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study
30. Effect of alcohol consumption on blood antioxidant nutrients and oxidative stress indicators
31. The relation of diet, cigarette smoking and alcohol consumption on plasma beta-carotene and alpha-tocopherol levels
32. In vitro measurement of beta-carotene cleavage activity: Methodological considerations and the effect of other carotenoids on beta-carotene cleavage
33. The Mongolian gerbil (Meriones unguiculatus) is an appropriate animal model for evaluation of the conversion of β-carotene to vitamin A
34. Effect of dietary proteins on the enzyme from rat and human intestine which converts β-carotene to retinol
35. Effect of zinc deficiency on the conversion of β-carotene to retinol as indicated by liver stores
36. Bioavailability of carotenoids
37. Metabolic carotenaemia
38. Determinants of increase in plasma concentration of β-carotene after chronic oral supplementation
39. Vitamin A activity of spinach determined by isotope reference method
40. Vitamin A equivalence of β-carotene in a woman as determined by a stable isotope reference method
41. Mathematical modeling in nutrition: Constructing a physiologic compartmental model of the dynamics of beta-carotene metabolism
42. Bioconversion of plant carotenoids to vitamin A in Filipino school-aged children varies inversely with vitamin A status
43. Green and yellow vegetables can maintain body stores of vitamin A in Chinese children