Page last updated: 2024-08-05 15:45:01
provitamin A
A provitamin that can be converted into vitamin A by enzymes from animal tissues.
ChEBI ID: 67200
Members (3)
| Member | Definition | Class |
|---|
| alpha-carotene | A cyclic carotene with a beta- and an epsilon-ring at opposite ends respectively. | alpha-carotene |
| beta carotene | A cyclic carotene obtained by dimerisation of all-trans-retinol. A strongly-coloured red-orange pigment abundant in plants and fruit and the most active and important provitamin A carotenoid. | beta-carotene |
| cryptoxanthins | A carotenol that exhibits antioxidant activity. It has been isolated from fruits such as papaya and oranges. | beta-cryptoxanthin |
Research
Studies (8,177)
| Timeframe | Studies, Drugs with This Role(%) | All Drugs % |
|---|
| pre-1990 | 590 (7.22) | 18.7374 |
| 1990's | 2,004 (24.51) | 18.2507 |
| 2000's | 2,505 (30.63) | 29.6817 |
| 2010's | 2,280 (27.88) | 24.3611 |
| 2020's | 798 (9.76) | 2.80 |
Study Types
| Publication Type | Studies, Drugs with this Role (%) | All Drugs (%) |
|---|
| Trials | 980 (10.56%) | 5.53% |
| Reviews | 730 (7.86%) | 6.00% |
| Case Studies | 69 (0.74%) | 4.05% |
| Observational | 12 (0.13%) | 0.25% |
| Other | 7,491 (80.70%) | 84.16% |
Protein Targets (10)
Potency Measurements
Inhibition Measurements