Results 1 to 10 of about 23,054,062 (290)

Preparation and property evaluation of vitamin A cyclodextrin inclusion complex [PDF]

ITM Web of Conferences, 2022
Hydroxypropyl-β-cyclodextrin (HP-β-CD) is widely used in drug encapsulation and cosolvent of insoluble drugs, modified HP-β-CD derivatives may to make pH sensitive by introducing functional groups.
Wei Ning, Pei Jinze, Jiang Liye, Xuan Guangshan   +3 more
doaj   +1 more source

Vitamin A Update: Forms, Sources, Kinetics, Detection, Function, Deficiency, Therapeutic Use and Toxicity

Nutrients, 2021
Vitamin A is a group of vital micronutrients widely present in the human diet. Animal-based products are a rich source of the retinyl ester form of the vitamin, while vegetables and fruits contain carotenoids, most of which are provitamin A.
A. Carazo, K. Macáková, Kateřina Matoušová, L. Krčmová, M. Protti, P. Mladěnka   +5 more
semanticscholar   +1 more source

The Role of Vitamin A in Retinal Diseases

International Journal of Molecular Sciences, 2022
Vitamin A is an essential fat-soluble vitamin that occurs in various chemical forms. It is essential for several physiological processes. Either hyper- or hypovitaminosis can be harmful. One of the most important vitamin A functions is its involvement in
J. Sajovic, A. Meglič, D. Glavač, Špela Markelj, M. Hawlina, A. Fakin   +5 more
semanticscholar   +1 more source

The Radioprotective Effect of Magnesium Sulfate and Vitamin A on Radiation-induced Micronuclei and the Expression of NOX4 in Bone Marrow Cells of Mice [PDF]

Journal of Kerman University of Medical Sciences, 2022
Background: Radioprotectors are used to neutralize the effects of free radicals caused by ionization radiation. In this study, the radioprotective effects of magnesium sulfate and vitamin A on bone marrow cells of mice were evaluated by micronucleus ...
Mohammad Mirdoraghi, Vahid Changizi, Seyed Abolghasem Haeri, Zahra Rajabi, Peyman Amini, Sakineh Abassi   +5 more
doaj   +1 more source

Vitamin A and Vitamin E: Will the Real Antioxidant Please Stand Up?

Annual review of nutrition, 2021
Vitamin A, acting through its metabolite, all-trans-retinoic acid, is a potent transcriptional regulator affecting expression levels of hundreds of genes through retinoic acid response elements present within these genes.
W. Blaner, I. Shmarakov, M. Traber
semanticscholar   +1 more source

Complex liver injury induced by combined Aloe Vera and vitamin A oral supplements, as assessed by histology and the updated RUCAM

Exploration of Medicine, 2022
A case of combined acute and chronic liver injury related to consumption of multi-ingredient nutritional oral supplements containing Aloe Vera gel and vitamin A among other vitamins, minerals and dietary elements such as fish and calamari oil in a 59 ...
Katerina Delladetsima, Emanuel Manesis, Dina Tiniakos, Stratigoula Sakellariou   +3 more
doaj   +1 more source

Exploring the effectiveness of in ovo feeding of vitamin C based on the embryonic vitamin C synthesis and absorption in broiler chickens

Journal of Animal Science and Biotechnology, 2021
Background Many researches about in ovo feeding (IOF) of vitamin C (VC) are gradually carried out to explore physiological development in chicken, but little studies focus on VC synthesis capacity of the embryo itself, the selection of injection site and
Yufei Zhu, Jianfei Zhao, Chenxu Wang, Fei Zhang, Xinhuo Huang, Zhouzheng Ren, Xin Yang, Yanli Liu, Xiaojun Yang   +8 more
doaj   +1 more source

Dietary vitamin a intake, coverage of vitamin a megadose supplementation, and prevalence of vitamin a deficiency among marginalized children 6–59 months in anganwadis of Chandigarh: A multistage cluster sampling survey

Indian Journal of Community Medicine, 2021
Background: Lack of recent local data regarding Vitamin A deficiency, dietary intake, and coverage of biannual high-dose Vitamin A prophylaxis among marginalized children poses challenges for policy change.
Rohit Yadav, Ajay Patial, Bhavneet Bharti, Savita Verma Attri, Prateek Bhatia   +4 more
doaj   +1 more source

Vitamin A Ikan Sidat (Anguilla Marmorata) Asal Sungai Palu Dan Danau Poso

Ghidza, 2020
Pendahuluan & Tujuan: Ikan sidat (Anguilla marmorata) memiliki keunggulan gizi atau nutrisi yang tinggi seperti protein, mineral, asam lemak dan salah satunya yaitu vitamin A.
Jamaluddin Jamaluddin, Agustinus Widodo, Nurul Mufliha   +2 more
doaj   +1 more source

Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline.

Journal of Clinical Endocrinology and Metabolism, 2011
OBJECTIVE The objective was to provide guidelines to clinicians for the evaluation, treatment, and prevention of vitamin D deficiency with an emphasis on the care of patients who are at risk for deficiency. PARTICIPANTS The Task Force was composed of a
Michael F. Holick, Neil C. Binkley, H.A. Bischoff-Ferrari, Catherine M. Gordon, David A. Hanley, Robert P. Heaney, M. Murad, Connie M. Weaver   +7 more
semanticscholar   +1 more source