Dietary Vitamins
Dietary Vitamins - Related Videos
05:03
Quantitative Analysis of Dietary Vitamin A Metabolites in Murine Ocular and Non-Ocular Tissues Using High-Performance Liquid Chromatography
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Cited by 6 •
2024
Here, a normal-phase, high-performance liquid chromatography method is described to detect and quantify critical retinoids involved in the facilitation of visual function in both ocular and systemic tissue, in the context of the systemic vitamin A supply to generate the essential photosensitive rhodopsin chromophore 11-cis-retinal.
07:33
Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs
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Cited by 20 •
2015
We describe a simple approach for diagnosis of halitosis in dogs as well as a dietary approach for its management. This protocol may be extended to the management of halitosis in humans in the near future.
01:30
Vitamins
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2024
Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced in our...
12:48
PLGA Nanoparticles Formed by Single- or Double-emulsion with Vitamin E-TPGS
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Cited by 211 •
2013
We describe the production and characterization of nanoparticles and microparticles composed of poly(lactic-co-glycolic acid) using vitamin E-TPGS as an emulsifier. By varying formulation parameters such as the concentration of emulsifier, it is possible to produce nanoparticles with mean diameters ranging from 220 nm to 1.98 µm.
06:13
Solid Plate-based Dietary Restriction in Caenorhabditis elegans
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Cited by 19 •
2011
Here we present a protocol for performing solid plate-based dietary restriction in C. elegans with killed bacteria.
FAQs
Solubility helps determine how vitamins move through the body after ingestion. Water-soluble and fat-soluble forms differ in absorption, transport, storage, and excretion, so their chemical properties influence how long they remain available to cells. These differences are important when biology examines nutrient status, tissue maintenance, and the maintenance of physiological homeostasis.
Dietary vitamins support cellular activity through several mechanisms rather than one universal pathway. Some act as coenzymes that assist metabolism, while others function as antioxidants or regulate gene expression. Connecting each chemical form with its cellular role helps explain how vitamin availability can influence metabolic pathways, growth, immune function, development, and tissue maintenance.
Vitamin availability affects whether cellular pathways receive adequate nutritional support. When availability changes, processes related to metabolism, growth, immune function, development, or tissue maintenance may also change. Studying these relationships allows biology to connect nutrient status with physiological homeostasis and to examine how inadequate availability contributes to altered biological function.
Clinical assessment helps relate an individual’s vitamin status to biological function and possible deficiency risk. In this context, evaluation focuses on whether nutrient availability is consistent with normal metabolism, immune activity, growth, and tissue maintenance. Its value comes from connecting nutritional information with physiological outcomes rather than considering dietary intake in isolation.
Nutrition planning uses knowledge of vitamin requirements and biological roles to support adequate availability. Considering how vitamins contribute to metabolism, immune function, growth, and tissue maintenance helps identify the consequences of insufficient intake and informs deficiency-prevention strategies. The same principles also support interpretation of how nutrient status may affect overall physiological function.
Research on dietary vitamins examines whether variation in nutrient status is associated with changes in cellular pathways, physiological homeostasis, or disease risk. These studies can connect chemical form, biological availability, and vitamin function with broader health outcomes. Such work also clarifies how nutrition may influence disease-related biology without reducing the subject to a single cellular mechanism.