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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1920 3
1921 2
1922 6
1923 3
1924 5
1925 10
1926 5
1927 6
1928 12
1929 9
1930 14
1931 16
1932 25
1933 23
1934 30
1935 16
1936 12
1937 13
1938 21
1939 23
1940 12
1941 24
1942 19
1943 14
1944 15
1945 44
1946 100
1947 138
1948 158
1949 110
1950 162
1951 189
1952 191
1953 173
1954 140
1955 171
1956 117
1957 139
1958 145
1959 116
1960 205
1961 240
1962 140
1963 211
1964 267
1965 176
1966 152
1967 152
1968 156
1969 196
1970 146
1971 179
1972 188
1973 166
1974 187
1975 280
1976 278
1977 238
1978 250
1979 284
1980 265
1981 265
1982 296
1983 348
1984 401
1985 423
1986 359
1987 428
1988 439
1989 468
1990 495
1991 519
1992 587
1993 660
1994 644
1995 728
1996 759
1997 751
1998 716
1999 810
2000 826
2001 830
2002 847
2003 877
2004 875
2005 941
2006 864
2007 977
2008 968
2009 1006
2010 1058
2011 1127
2012 1277
2013 1217
2014 1296
2015 1255
2016 1217
2017 1280
2018 1255
2019 1451
2020 1534
2021 1678
2022 1736
2023 1589
2024 1569
2025 1650
2026 79

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44,707 results

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Page 1
The importance of vitamin A in nutrition.
Dawson MI. Dawson MI. Curr Pharm Des. 2000 Feb;6(3):311-25. doi: 10.2174/1381612003401190. Curr Pharm Des. 2000. PMID: 10637381 Review.
Preformed vitamin A (all-trans-retinol and its esters) and provitamin A (beta-carotene) are essential dietary nutrients that provide a source of retinol. ...Thus far, correlative epidemiological studies on vitamin A use and cancer prevent …
Preformed vitamin A (all-trans-retinol and its esters) and provitamin A (beta-carotene) are essential dietary nu …
Golden Rice is an effective source of vitamin A.
Tang G, Qin J, Dolnikowski GG, Russell RM, Grusak MA. Tang G, et al. Am J Clin Nutr. 2009 Jun;89(6):1776-83. doi: 10.3945/ajcn.2008.27119. Epub 2009 Apr 15. Am J Clin Nutr. 2009. PMID: 19369372 Free PMC article. Clinical Trial.
BACKGROUND: Genetically engineered "Golden Rice" contains up to 35 microg beta-carotene per gram of rice. It is important to determine the vitamin A equivalency of Golden Rice beta-carotene to project the potential effect of this bioforti …
BACKGROUND: Genetically engineered "Golden Rice" contains up to 35 microg beta-carotene per gram of rice. It is important to d …
Improving the nutritional value of Golden Rice through increased pro-vitamin A content.
Paine JA, Shipton CA, Chaggar S, Howells RM, Kennedy MJ, Vernon G, Wright SY, Hinchliffe E, Adams JL, Silverstone AL, Drake R. Paine JA, et al. Nat Biotechnol. 2005 Apr;23(4):482-7. doi: 10.1038/nbt1082. Epub 2005 Mar 27. Nat Biotechnol. 2005. PMID: 15793573
"Golden Rice" is a variety of rice engineered to produce beta-carotene (pro-vitamin A) to help combat vitamin A deficiency, and it has been predicted that its contribution to alleviating vitamin A deficiency would be substan …
"Golden Rice" is a variety of rice engineered to produce beta-carotene (pro-vitamin A) to help combat vitamin …
Immunometabolic effects of beta-carotene and vitamin A in atherogenesis.
Blanco A, Amengual J. Blanco A, et al. Immunometabolism (Cobham). 2024 Nov 28;6(4):e00051. doi: 10.1097/IN9.0000000000000051. eCollection 2024 Oct. Immunometabolism (Cobham). 2024. PMID: 39624361 Free PMC article. Review.
Carotenoids are among the most extensively studied micronutrients to date due to their antioxidant and provitamin A properties. beta-carotene is one of the most abundant carotenoids in our diet, but more importantly, it is the main vitamin A precursor …
Carotenoids are among the most extensively studied micronutrients to date due to their antioxidant and provitamin A properties. beta- …
Associations of Dietary Vitamin A and Beta-Carotene Intake With Depression. A Meta-Analysis of Observational Studies.
Zhang Y, Ding J, Liang J. Zhang Y, et al. Front Nutr. 2022 Apr 25;9:881139. doi: 10.3389/fnut.2022.881139. eCollection 2022. Front Nutr. 2022. PMID: 35548582 Free PMC article.
OBJECTIVE: To clarify the associations of dietary vitamin A and beta-carotene intake with depression based on a meta-analysis of observational studies. METHODS: An extensive literature search on February 2022 (PubMed, Web of Science and Embase) was emp …
OBJECTIVE: To clarify the associations of dietary vitamin A and beta-carotene intake with depression based on a …
From beta-Carotene to Retinoids: A Review of Microbial Production of Vitamin A.
Zhang Y, Yu H, Ye L. Zhang Y, et al. J Agric Food Chem. 2024 Sep 25;72(38):20752-20762. doi: 10.1021/acs.jafc.4c06851. Epub 2024 Sep 16. J Agric Food Chem. 2024. PMID: 39285668 Review.
Vitamin A (retinoids) is crucial for human health, with significant demand across the food, pharmaceutical, and animal feed industries. ...This review introduces the key enzymes involved in the biosynthesis of vitamin A from beta-carotene …
Vitamin A (retinoids) is crucial for human health, with significant demand across the food, pharmaceutical, and animal feed in …
A review of vitamin A equivalency of beta-carotene in various food matrices for human consumption.
Van Loo-Bouwman CA, Naber TH, Schaafsma G. Van Loo-Bouwman CA, et al. Br J Nutr. 2014 Jun 28;111(12):2153-66. doi: 10.1017/S0007114514000166. Epub 2014 Feb 11. Br J Nutr. 2014. PMID: 24513222 Review.
Vitamin A equivalency of beta-carotene (VEB) is defined as the amount of ingested beta-carotene in mug that is absorbed and converted into 1 mug retinol (vitamin A) in the human body. ...The VEB is currently estimated by the …
Vitamin A equivalency of beta-carotene (VEB) is defined as the amount of ingested beta-carotene in …
The contribution of beta-carotene to vitamin A supply of humans.
Weber D, Grune T. Weber D, et al. Mol Nutr Food Res. 2012 Feb;56(2):251-8. doi: 10.1002/mnfr.201100230. Epub 2011 Sep 29. Mol Nutr Food Res. 2012. PMID: 21957049 Review.
Our aim was to estimate the contribution of beta-carotene to vitamin A supply in industrialized countries using available data from the literature. ...Mean total daily dietary intake of RAE was 1083175. The mean beta-carotene intake was 3 …
Our aim was to estimate the contribution of beta-carotene to vitamin A supply in industrialized countries using …
The role of beta-carotene and vitamin A in atherogenesis: Evidences from preclinical and clinical studies.
Miller AP, Coronel J, Amengual J. Miller AP, et al. Biochim Biophys Acta Mol Cell Biol Lipids. 2020 Nov;1865(11):158635. doi: 10.1016/j.bbalip.2020.158635. Epub 2020 Jan 21. Biochim Biophys Acta Mol Cell Biol Lipids. 2020. PMID: 31978554 Free PMC article. Review.
Epidemiological and mechanistic studies indicate that beta-carotene and its vitamin A derivatives stimulate lipid catabolism in several tissues to reduce the incidence of obesity, but their roles within ASCVD are elusive. Herein, we review the mechanis …
Epidemiological and mechanistic studies indicate that beta-carotene and its vitamin A derivatives stimulate lipi …
Vitamin A and beta-carotene in pregnant and breastfeeding post-bariatric women in an urban population.
Garretto D, Kim YK, Quadro L, Rhodas RR, Pimentel V, Crnosija NA, Nie L, Bernstein P, Tropper P, Neal-Perry GS. Garretto D, et al. J Perinat Med. 2019 Feb 25;47(2):183-189. doi: 10.1515/jpm-2018-0142. J Perinat Med. 2019. PMID: 30231012
Methods A prospective cohort study was conducted to determine if vitamin A deficiency is more common in pregnant, lactating post-bariatric surgery women in an inner city population. ...Each serum sample was analyzed for total retinol and beta-carotene; …
Methods A prospective cohort study was conducted to determine if vitamin A deficiency is more common in pregnant, lactating po …
44,707 results
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