Provitamins

01/01/2023 - "Currently, there is no information on the heterotic patterns of the Provitamin A (PVA) inbred lines developed in the maize improvement program of the International Institute of Tropical Agriculture (IITA) to form productive PVA enriched hybrids for areas affected by vitamin A deficiency. "
01/01/2022 - "Provitamin A-biofortified maize varieties can contribute to minimizing the adverse effects of vitamin A deficiency in areas where maize is a staple food crop. "
01/01/2021 - "Provitamin A enrichment of staple crops through biofortification breeding is a powerful approach to mitigate the public health problem of vitamin A deficiency in developing countries. "
12/21/2020 - "Provitamin A-biofortified maize could contribute to the alleviation of vitamin A deficiency (VAD), which is prevalent in sub-Saharan Africa due to a high consumption of starchy, maize-based diets. "
11/01/2020 - "In particular, vitamin A deficiency, a severe health problem affecting the lives of millions in developing countries, has triggered the development of a series of high-provitamin A crops, including Golden Rice as the best-known example. "

09/01/1989 - "Provitamin A, a nutritional factor for protection from certain cancers]."
11/01/2016 - "Collectively, the results suggest that BCX inhibits lung tumorigenesis and cancer cell motility through the downregulation of α7-nAChR/PI3K signaling, independent of its provitamin A activity. "
01/01/2008 - "The aim of the study was to demonstrate the presence of carotenoids in tissues from the normal uterus and from various tumors of the uterine corpus, as well as to compare the total content, major carotenoids and % of carotenoids belonging to the provitamin A group between the tissues examined. "
03/15/2006 - "Clinical trials to test the cancer preventive effects of beta-carotene are still ongoing, and high concentrations of this provitamin are contained in numerous dietary supplements. "
01/01/1990 - "Vitamin and provitamin A levels in epithelial cancers: a preliminary study."

01/01/2014 - "Therefore, the addition of this provitamin to ointment and skincare products may be highly effective in preventing infections by opportunistic pathogens. "
01/01/2023 - "Performance of testers with contrasting provitamin A content to evaluate provitamin A maize for resistance to Aspergillus flavus infection and aflatoxin production."
01/01/2012 - "There are many factors that could affect the requirement of vitamin A including infections, parasites, protein-energy malnutrition, bioconversion efficiency of provitamin A, food matrix and so on. "
09/01/2002 - "These observations also support the hypothesis that the use of provitamin A carotenoids increases during malaria infection."
01/01/2004 - "Serum retinol and provitamin-A as well as non-provitamin-A carotenoid concentrations were lower in children with acute phase infections compared to healthy controls. "

09/01/2000 - "beta-carotene in its provitamin form can act as an antioxidant by decreasing endothelial cell damage (the pathognomonic feature of pre-eclampsia) and promote the vasodilator effect of nitric oxide that might bring about a better outcome of toxaemia in pregnancy. "

01/01/2021 - "The aim: To investigate the efficacy of Doctovit, a combination of dexpanthenol (provitamin B5) and methylmethionine (vitamin U), in the treatment of patients with chronić pancreatitis in combination with chronic erosive gastritis associated with H. "