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Journal articles on the topic 'Vitamin of C'

Author: Grafiati

Published: 28 May 2022

Last updated: 18 July 2025

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1

Wibudi, Aris. "Vitamin C and viral infection." World Nutrition Journal 4, no. 1-3 (2020): 21. http://dx.doi.org/10.25220/wnj.v04.s3.0015.

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Micronutrients such as vitamins, minerals and trace elements influence various metabolic processes that are directly associated with immune functions, especially vitamin C and D. The adequacy of vitamin C in leukocytes plays a major role in the success of immune response, both innate and adaptive. The highest vitamin C concentrations were found in lymphocytes, monocytes, platelets and neutrophils respectively.

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Wegehaupt, Florian J., Nancy Lunghi, Vanessa M. G. Högger, and Thomasq Attin. "Erosive potential of vitamin and vitamin+mineral effervescent tablets." SWISS DENTAL JOURNAL SSO – Science and Clinical Topics 126, no. 5 (2016): 457–65. http://dx.doi.org/10.61872/sdj-2016-05-01.

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 The extrinsic sources for erosion-causing acids are primarily acidic beverages and foodstuffs. Effervescent tablets also contain organic acids (e.g. citric, tartaric, malic) in order to form carbon dioxide by contact with water with the help of the carbonate salts of the tablets. To adequately inform patients about the possible erosive potential of effervescent tablets, this study was undertaken in order to investigate the erosive potential of effervescent tablets (ET), containing either a combination of vitamins and minerals or vitamins only, commercially available in Switzerland. On

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Bsoul, Samer A., and Geza T. Terezhalmy. "Vitamin C in Health and Disease." Journal of Contemporary Dental Practice 5, no. 2 (2004): 1–13. http://dx.doi.org/10.5005/jcdp-5-2-1.

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Abstract Vitamins are essential to maintain normal metabolic processes and homeostasis within the body. The amount of a specific vitamin required by an individual varies considerably and it is influenced by such factors as body size, growth rate, physical activity, and pregnancy. Most vitamins are stored minimally in human cells, but some are stored in liver cells to a greater extent. Vitamins A and D, for example, may be stored in sufficient amounts to maintain an individual without any intake for 5 to 10 months and 2 to 4 months, respectively. However, a deficiency of vitamin B compounds (ex

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Popova, Aneta Tincheva. "The effect of heating on the vitamin C content of selected vegetables." World Journal of Advanced Research and Reviews 3, no. 3 (2019): 027–32. https://doi.org/10.5281/zenodo.4309962.

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Vitamin C is important for the human body function. People usually fulfill their vitamin C needs with food intake. A supplement intake also exists when needed. Vegetables are rich in various phytochemicals, biologically active substances with beneficial health effects, and are daily sources of vitamins and minerals for the body. The vitamin C content of eight widely used vegetables was established with the use of two assays (NBS and DCPIP). Food processing i.e. boiling, steaming and microwaving was used to establish vitamin C retention in cauliflower, peppers (red and green), potatoes (yellow

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Heinrich, Edith, та Nikola Getoff. "Mitomycin C-Activity Effected by Vitamins B1, C, E and β-Carotene under Irradiation with γ-Rays". Zeitschrift für Naturforschung C 58, № 3-4 (2003): 244–48. http://dx.doi.org/10.1515/znc-2003-3-418.

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Vitamin B1 (thiamine) can essentially effect the activity of mitomycin C (MMC), added individually or in combination with antioxidant vitamins (C, E-acetate, β-carotene) as found in experiments in vitro (Escherichia coli bacteria, AB 1157) under irradiation with γ-rays. The environment plays a crucial role. In airfree media vitamin B1 leads to a 2-fold increase of the MMC-efficiency, but adding vitamin C it decreases. In the presence of all vitamins (B1, C, E-ac., and β-carotene) the MMC-action increases about 1.8-fold. In aerated media vitamin B1 causes an about 4-times increase of the MMC-ef

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Pavlović, Dragan M., Merdin Š. Markišić, and Aleksandra M. Pavlović. "Vitamin C In Neuropsychiatry." Serbian Journal of Experimental and Clinical Research 16, no. 2 (2015): 157–61. http://dx.doi.org/10.1515/sjecr-2015-0021.

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Abstract Vitamins are necessary factors in human development and normal brain function. Vitamin C is a hydrosoluble compound that humans cannot produce; therefore, we are completely dependent on food intake for vitamin C. Ascorbic acid is an important antioxidative agent and is present in high concentrations in neurons and is also crucial for collagen synthesis throughout the body. Ascorbic acid has a role in modulating many essential neurotransmitters, enables neurogenesis in adult brain and protects cells against infection. While SVCT1 enables the absorption of vitamin C in the intestine, SV

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Alpsoy, L., G. Agar, and M. Ikbal. "Protective role of vitamins A, C, and E against the genotoxic damage induced by aflatoxin B1 in cultured human lymphocytes." Toxicology and Industrial Health 25, no. 3 (2009): 183–88. http://dx.doi.org/10.1177/0748233709106068.

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In this study, we aimed to evaluate the effect of vitamins A, C, and E against aflatoxin B1 (AFB1) on blood cultures in relation to induction of sister chromatid exchange (SCE). The results indicated genotoxic and mutagenic damage in cultured human lymphocytes exposed to AFB1. The results showed that 5 μM concentration of AFB1 increased SCE. When vitamins A, C, and E were added to AFB1, the frequency of SCE decreased. These results suggest that vitamins A, C, and E could effectively inhibit AFB1-induced SCE, which may partially responsible for its mutagenic effect of AFB1. Besides, the protect

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Andini, Ary, Farah Nuriannisa, Gilang Nugraha, et al. "The effect of dietary antioxidant vitamins on malondialdehyde, white blood cells, and platelets." Bali Medical Journal 12, no. 2 (2023): 1892–96. http://dx.doi.org/10.15562/bmj.v12i2.4284.

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Introduction: Vitamins have a main role in controlling metabolism in the body and the immune system. Vitamins A, C, and E are known as antioxidant nutrients and vitamin D is essential for innate and adaptive immune function. This study is aimed to analyze the effect of vitamin intake regularly on malondialdehyde (MDA) levels, white blood cell (WBCs) and platelet counts, and differences count of leukocyte Method: The study used 6 groups including the control group without intervention and the intervention group intake of one tablet of vitamin a day for 7 days which were divided into groups of v

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Pavan, M. Kadam. "Study of vitamin C content in some fruits and vegetables." RESEARCH REVIEW International Journal of Multidisciplinary 03, no. 10 (2018): 617–18. https://doi.org/10.5281/zenodo.1472978.

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Among all vitamins, vitamin C plays a crucial role in maintaining good health. It is a powerful antioxidant naturally present in many foods, especially fruits and vegetables, which play an important role in the prevention of infectious diseases. Ascorbic acid content of some fruits and vegetables like lemon, orange, apple, strawberry, banana, tomato, cucumber, carrot, potato, pineapple, was determined. All fruits were collected from local market. Vitamin C content of the fruits was determined by using titration method using Iodine and sodiumthiosulphtae solutions.

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Essama-Tjani, Jeanne Chantal, Jean-Claude Guilland, Françoise Fuchs, Marie Lombard, and Dominique Richard. "Changes in Thiamin, Riboflavin, Niacin, beta-carotene, Vitamins C, A, D and E Status of French Elderly Subjects during the First Year of Institutionalization." International Journal for Vitamin and Nutrition Research 70, no. 2 (2000): 54–64. http://dx.doi.org/10.1024/0300-9831.70.2.54.

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Vitamin status was assessed in 26 recently institutionalized elderly subjects by combining dietary and biochemical measurements of thiamin, riboflavin, niacin, beta-carotene, vitamins C, A, D and E at admission (P1), and 1.5 (P2), 3.0 (P3), 4.5 (P4), 6.0 (P5), 12 (P6) months later. At admission, except for vitamin A, mean vitamin intakes were lower than the 1992 French Recommended Dietary Allowance. Thiamin, vitamins C, A and E status seemed nearly satisfactory as less than one-fourth of the population sample had blood values lower than the cut-off point for thiamin (erythrocyte thiamin pyroph

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Liu, Ji’an, Ying Ren, Guiping Wang, et al. "Effect of Steaming on Vitamin Retention in Tubers from Eight Cultivars of Potato (Solanum tuberosum L.)." Applied Sciences 11, no. 8 (2021): 3669. http://dx.doi.org/10.3390/app11083669.

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As the fourth largest staple crop in China, potatoes are a significant source of food and revenue, and provide diverse vitamins to human. However, the variation of vitamin retention in tubers after cooking were seldom evaluated. In this study, we evaluated the effects of steaming on water-soluble vitamins (vitamin B9 and vitamin C) and liposoluble vitamin (vitamin E) in tubers from eight potato cultivars grown in northern China. We found that these cultivars contained wide ranges of vitamin B9 (8.60–19.93 μg/100 g FW), vitamin C (46.67–155.44 mg/100 g FW), and vitamin E (15.34–33.82 mg/kg FW),

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Xia, Qiang, and Yun Long Yao. "Preparation and Evaluation of a W/O/W Double Emulsion Containing both Vitamin C and Vitamin E." Materials Science Forum 694 (July 2011): 783–87. http://dx.doi.org/10.4028/www.scientific.net/msf.694.783.

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As the instability of vitamin C and vitamin E, double emulsion was chosen as a carrier system for dermal delivery of vitamins. The present work shows how to prepare and evaluate a double emulsion containing both vitamin C and vitamin E. The double emulsion was produced by two-step process. The concentration of vitamins were analyzed by UV, and the morphology of double emulsions were observed with optical microscopic. Vitamins could be protected well in one system, which was W/O/W double emulsion. The shape of double emulsion was also an evidence for the safety of vitamins. In the end, we obtai

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Chan, Alvin C. "Partners in defense, vitamin E and vitamin C." Canadian Journal of Physiology and Pharmacology 71, no. 9 (1993): 725–31. http://dx.doi.org/10.1139/y93-109.

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In addition to the enzymic mechanism of free-radical removal, essential nutrients that can scavenge free radicals, such as vitamins E and C, constitute a strong line of defense in retarding free radical induced cellular damage. Distinct pathways for the repair of oxidized vitamin E in human cells have been recently identified. Within 0.5 min after the addition of arachidonic acid to a human platelet homogenate, over half of the platelet vitamin E and added arachidonate were metabolized by platelet cyclooxygenase and lipoxygenase pathways. After adding nordihydroguaiaretic acid, a lipoxygenase

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Kaya, Muhammed, Alpaslan Tanoğlu, Çetinkaya Züleyha Akkan, et al. "In Vitro Effects of Vitamins C and E on Helicobacter pylori." Journal of Molecular Virology and Immunology 2, no. 3 (2021): 102–6. https://doi.org/10.46683/jmvi.2021.36.

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<strong>Abstract</strong> In this study, we aimed to evaluate the effects of vitamins C and E on <em>Helicobacter pylori</em> in vitro, in other words in the absence of the in vivo dynamics of the gastric mucosa. The study included 32 patients with <em>H. pylori</em>-positive nonulcer dyspepsia. Tissue samples from antrum and corpus, which were taken during upper gastrointestinal endoscopy, were Gram stained and seeded onto culture plates supplemented with 7% horse blood for <em>H. pylori</em> culture. Plates were incubated in a microaerophilic environment. Isolated&nb

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Vikhe, A. S., H. S. Kharde, P.S. Vikhe, and S. S. Rohamare. "A Review of Composition and Metabolism of Bioactive Components in Citrus Fruits and Vegetables." Implementation of National Education Policy -2020: Multidisciplinary Education 1, no. 1 (2023): 11–15. https://doi.org/10.5281/zenodo.7796952.

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A vitamin is an organic component required for proper functioning of its metabolism vitamin c is available through the sources mainly from vegetables and fruits. Vitamin c is required to good immune system. Vitamin C used for treating and preventing numerous diseases. It consists of anti-oxidant property disease curing property. Diseases like relieving from the pain, skin laser therapy, high blood pressure digestive track infection. Hence main aim of review of research papers is to know about different quantitative methods and instruments used to know rich percentage of vitamin-C in citru

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Caruso, Francesco, Jens Z. Pedersen, Sandra Incerpi, Stuart Belli, Raiyan Sakib, and Miriam Rossi. "Interaction between Vitamins C and E When Scavenging the Superoxide Radical Shown by Hydrodynamic Voltammetry and DFT." Biophysica 4, no. 2 (2024): 310–26. http://dx.doi.org/10.3390/biophysica4020022.

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In this study, we examine the cooperative effect between vitamins C and E that mitigates oxidative stress by using experimental and computational methods. We performed superoxide scavenging experiments on each vitamin individually and their combination using rotating ring–disk electrode voltammetry. The results indicate that vitamins E and C together produce more effective scavenging of superoxide as evaluated by a steeper slope in the efficiency graph, −7.2 × 104, compared to that of vitamin E alone, −1.8 × 103, or vitamin C alone, −1.3 × 104. Density Functional Theory calculations agree with

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El-Kholy, Mohamed Soliman, Zenat Abd El-Gawad Ibrahim, Mohamed Mamdoh El-Mekkawy, and Mahmoud Alagawany. "Influence of in Ovo Administration of Some Water-Soluble Vitamins on Hatchability Traits, Growth, Carcass Traits and Blood Chemistry of Japanese Quails." Annals of Animal Science 19, no. 1 (2019): 97–111. http://dx.doi.org/10.2478/aoas-2018-0041.

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AbstractA total of 450 fertile Japanese quail eggs were used to determine the impacts of in ovo administration of water-soluble vitamins (C, B6 and B12) on the growth performance, carcass traits, hematological and biochemical blood parameters as well as the immune response of Japanese quails. On the 7th day of incubation, the eggs were allocated to five groups: un-injected, 0.1 ml/egg saline, 1 mg/egg vitamin C, 150 µg/egg vitamin B6 and 20 µg/egg vitamin B12. The percentage of early embryonic mortality was increased (P≤0.001) in all treated groups versus the control group. Chicks that hatched

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Budiarto, Rahmat, Syariful Mubarok, Nursuhud Nursuhud, and Bayu Pradana Nur Rahmat. "Citrus is a Multivitamin Treasure Trove: A Review." Journal of Tropical Crop Science 10, no. 1 (2023): 57–70. http://dx.doi.org/10.29244/jtcs.10.1.57-70.

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Citrus is popularly known as the source of beneficial and essential nutrients for human health, including vitamins. The current review revealed the content of multivitamins, not only vitamin C but also vitamins A, B, and E that are not widely acknowledged within Citrus. Numerous Citrus genotypes contain vitamin C, with the grapefruit (Citrus paradisi) being the richest, and citron (C. medica) the poorest. Vitamin A in the form of β-carotene, α-carotene, and β-cryptoxanthin is commonly found within Citrus, especially in several colored flesh species such as grapefruit, mandarin (C. reticulate),

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Mozos, Ioana, Dana Stoian, and Constantin Tudor Luca. "Crosstalk between Vitamins A, B12, D, K, C, and E Status and Arterial Stiffness." Disease Markers 2017 (2017): 1–14. http://dx.doi.org/10.1155/2017/8784971.

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Arterial stiffness is associated with cardiovascular risk, morbidity, and mortality. The present paper reviews the main vitamins related to arterial stiffness and enabling destiffening, their mechanisms of action, providing a brief description of the latest studies in the area, and their implications for primary cardiovascular prevention, clinical practice, and therapy. Despite inconsistent evidence for destiffening induced by vitamin supplementation in several randomized clinical trials, positive results were obtained in specific populations. The main mechanisms are related to antiatherogenic

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Lee, Kyeong-Jun, and Konrad Dabrowski. "Interaction between vitamins C and E affects their tissue concentrations, growth, lipid oxidation, and deficiency symptoms in yellow perch (Perca flavescens)." British Journal of Nutrition 89, no. 5 (2003): 589–96. http://dx.doi.org/10.1079/bjn2003819.

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We have conducted studies with juvenile yellow perch (Perca flavescens) over a period of 20 weeks to address the question of the interaction between water- and lipid-soluble antioxidant vitamins. Fish (2·25±0·14 g) were divided into twelve groups, and triplicate groups were fed one of four casein-based, semi-purified diets formulated to contain low or high vitamin E levels of either 5 or 160 mg/kg without or with vitamin C supplementation (250 mg/kg). Diets were designated as −C−E, −C+E, +C−E, or +C+E, respectively. The fish fed the +C+E diet showed significantly higher weight gain, feed intak

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Jankovic, Slobodan, Leyla Aghayeva, Lidia Redondo, et al. "Differences in Utilization Trends of Vitamins D, A, C and B." International Journal on Biomedicine and Healthcare 12, no. 3 (2024): 184. http://dx.doi.org/10.5455/ijbh.2024.12.184-187.

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Background: An increase has been seen in the consumption of vitamin supplements over the last two decades in patients and the general population alike, owing to the treatment of deficiencies and the perceived benefits in health and general well-being. Objective: This study aims to offer an insight into trends of vitamin supplement consumption over a 15-year period, and a possible explanation of the differences in trends. Methods: The study was designed as secondary research, based on a collection of published data on the Serbian Drug Agency web page covering drug utilization and in articles pu

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Gohil, K., L. Packer, B. de Lumen, G. A. Brooks, and S. E. Terblanche. "Vitamin E deficiency and vitamin C supplements: exercise and mitochondrial oxidation." Journal of Applied Physiology 60, no. 6 (1986): 1986–91. http://dx.doi.org/10.1152/jappl.1986.60.6.1986.

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The effects of dietary antioxidant vitamins E and C on exercise endurance capacity and mitochondrial oxidation were investigated in rats. The endurance capacity of both vitamin E-deficient and vitamin C-supplemented, E-deficient rats was significantly (P less than 0.05) lower (38.1 and 33.6%, respectively) than control animals. Compared with the normal and vitamin E-deficient rats, there was a significant (P less than 0.05) increase in the concentration of vitamin C in blood and liver of the vitamin E-deficient, C-supplemented animals. Hence dietary vitamin C supplementation does not prevent t

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Cazacu, Nicoleta, Claudia G. Chilom, Melinda David, and Monica Florescu. "Conformational Changes in the BSA-LT4 Complex Induced by the Presence of Vitamins: Spectroscopic Approach and Molecular Docking." International Journal of Molecular Sciences 23, no. 8 (2022): 4215. http://dx.doi.org/10.3390/ijms23084215.

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Levothyroxine (LT4) is known for its use in various conditions including hypothyroidism. LT4 interaction with serum albumin may be influenced by the presence of vitamins. For this reason, we investigated the effect of vitamin C, vitamin B12, and folic acid on the complex of Bovine Serum Albumin with LT4 (BSA-LT4). UV-Vis spectroscopy was used to monitor the influence of vitamins on the BSA-LT4 complex. Fluorescence spectroscopy revealed a static quenching mechanism of the fluorescence of BSA-LT4 complex by the vitamin C and folic acid and a combined mechanism for vitamin B12. The interaction o

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Scaife, Alison R., Geraldine McNeill, Doris M. Campbell, Sheelagh Martindale, Graham Devereux, and Anthony Seaton. "Maternal intake of antioxidant vitamins in pregnancy in relation to maternal and fetal plasma levels at delivery." British Journal of Nutrition 95, no. 4 (2006): 771–78. http://dx.doi.org/10.1079/bjn20051718.

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The aim of the present study was to test the hypothesis that maternal intake of antioxidant vitamins is associated with maternal and cord plasma levels at delivery. Women were recruited in early pregnancy in Aberdeen Maternity Hospital and habitual diet during pregnancy was assessed by a food-frequency questionnaire mailed at 34 weeks gestation. Blood samples were taken at recruitment (n1149) and maternal (n1149) and cord blood samples (n747) taken at delivery for analyses of vitamins A, C, E and β-carotene. Maternal plasma levels of vitamin E and β-carotene at delivery were significantly high

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Purba, Jhan Saberlan, Sofia Elia, and Lidia Klorida Barus. "PENETAPAN KADAR VITAMIN C PADA DAGING BUAH CABAI MERAH KERITING (Capsicum annum L.) YANG BEREDAR DI PASAR BUAH BERASTAGI KABUPATEN KARO MENGGUNAKAN METODE SPEKTROFOTOMETRI UV-VIS." Jurnal Penelitian Farmasi & Herbal 7, no. 2 (2025): 141–50. https://doi.org/10.36656/jpfh.v7i2.2356.

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Background: Vitamins are complex compounds that are needed by the body that function to help regulate or regulate the body's metabolic processes. One of the vitamins needed by the body is vitamin C. Vitamin C is a nutrient that acts as an antioxidant and is effective in overcoming free radicals that can damage cells or tissues, including protecting the lens from oxidative damage caused by radiation. Vitamin C or ascorbic acid is one of the vitamins that is soluble in water, easily oxidized, and sensitive to light stimulation. One of the plants that contain vitamin C is curly red chili. Red chi

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Bates, CJ, CJ Schorah, and Harri Hemilä. "Vitamin C intake and susceptibility to the common cold - Invited commentaries and Reply." British Journal of Nutrition 78, no. 5 (1997): 857–66. https://doi.org/10.5281/zenodo.14610441.

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R, Icha. "Pengaruh Suhu Pemanasan dan Lama Pemanasan Terhadap Kadar Vitamin C dalam Buah Melon." Herbal Medicine Journal 4, no. 1 (2022): 16–21. http://dx.doi.org/10.58996/hmj.v4i1.68.

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Fruits are a type of food that contains nutrients, vitamins and minerals which are generally very good for consumption every day. Vitamin C is one of the vitamins contained in fruits. The loss of vitamin C in fruit processing depends on the type and process used, as well as the water-soluble vitamins. The purpose of this study was to determine the effect of heating temperature and heating time on the vitamin C content in melon juice. The method used in this research is using the ultraviolet spectrophotometric method. Green melon juice was treated with heating temperature and heating time with

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Lykkesfeldt, Jens, Alexander J. Michels, and Balz Frei. "Vitamin C." Advances in Nutrition 5, no. 1 (2014): 16–18. http://dx.doi.org/10.3945/an.113.005157.

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Berdanier, Carolyn D. "Vitamin C." Nutrition Today 57, no. 2 (2022): 88–95. http://dx.doi.org/10.1097/nt.0000000000000531.

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Bruno, Eugene J., Tim N. Ziegenfuss, and Jamie Landis. "Vitamin C." Current Sports Medicine Reports 5, no. 4 (2006): 177–81. http://dx.doi.org/10.1097/01.csmr.0000306503.32987.1e.

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Spoelstra-de Man, Angélique M. E., Paul W. G. Elbers, and Heleen M. Oudemans-Van Straaten. "Vitamin C." Current Opinion in Critical Care 24, no. 4 (2018): 248–55. http://dx.doi.org/10.1097/mcc.0000000000000510.

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Linster, Carole L., and Emile Van Schaftingen. "Vitamin C." FEBS Journal 274, no. 1 (2006): 1–22. http://dx.doi.org/10.1111/j.1742-4658.2006.05607.x.

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Lomangino, Kevin. "Vitamin C." Clinical Nutrition INSIGHT 36, no. 10 (2010): 6–7. http://dx.doi.org/10.1097/01.nmd.0000389770.88835.fe.

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Warner, Mary. "Vitamin C." Pharmacy Today 26, no. 7 (2020): 14. http://dx.doi.org/10.1016/j.ptdy.2020.06.007.

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Jacobs, Peter, and Lucille Wood. "Vitamin C." Disease-a-Month 49, no. 11 (2003): 685–90. http://dx.doi.org/10.1016/j.disamonth.2003.09.011.

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Duerbeck, Norman B., David D. Dowling, and Jillinda M. Duerbeck. "Vitamin C." Obstetrical & Gynecological Survey 71, no. 3 (2016): 187–93. http://dx.doi.org/10.1097/ogx.0000000000000289.

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Sugibayashi, Kenji, Yuya Yoshida, Ryuichiro Suzuki, et al. "Physical Properties of an Ionic Liquid Composed of Two Water-Soluble Vitamins and Enhanced Skin Permeation of Both Vitamins." Pharmaceutics 12, no. 5 (2020): 427. http://dx.doi.org/10.3390/pharmaceutics12050427.

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A highly viscous substance was prepared by evaporating an ethanol solution containing two hydrophilic vitamins; vitamin C, and vitamin B6. The viscous substance and physical mixture of the two vitamins were tested using a differential scanning calorimeter and an X-ray diffractometer. The highly viscous substance was found to be a liquid crystal (LC) made of these two hydrophilic vitamins. Determination by proton nuclear magnetic resonance measurement suggested that intramolecular hydrogen bonding in vitamin B6 was eliminated by the LC formation. This LC compound showed high solubility in 1,3-b

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Kleijnen, Jos, Riet Gerben ter, and Paul Knipschild. "Vitamin C and the common cold; review of a megadose of literature (bibliography)." Nederlands Tijdschrift voor Geneeskunde 133, no. 5 August (1989): 1532–35. https://doi.org/10.5281/zenodo.7965915.

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This is thorough bibliography of studies on vitamin C and the common cold prior to 1989. This bibliography was used for example in the search for studies included in Cochrane review on vitamin C and the common cold (pmc8078152). These references are from a paper published in Dutch (https://www.ntvg.nl/artikelen/vitamine-c-en-verkoudheid-overzicht-van-een-megadosis-literatuur), which was translated to English in Jos Kleinen's thesis (https://www.mv.helsinki.fi/home/hemila/CC/Kleijnen_1989.pdf).

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Pius, Uluocha Isaac. "Effects of different drying methods on the micronutrients of four leafy vegetables traditionally consumed by some Clans in Izzi and Unwana, Ebonyi State, Nigeria." World Journal of Advanced Research and Reviews 20, no. 2 (2023): 609–18. https://doi.org/10.5281/zenodo.12590271.

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This study was carried out to evaluate the effects of different drying methods (Freeze drying, shade drying and oven drying at varied temperatures of 40<sup>o</sup>C, 50<sup>o</sup>C and 60<sup>o</sup>C) on the micronutrients (mineral and vitamin) contents of <em>L. cupanioides, F. ottonifolia, P. osun</em> and <em>C. pentandra</em>. The minerals contained in both dried and fresh leafy vegetable samples were analyzed by the dry ash extraction method, while vitamins (A, B<sub>1</sub>, B<sub>2, </sub>B<sub>6</sub> and E) contents of the leafy vegetable samples were deter

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Putri, Rejeki Geubrina, Muhammad Nasir, and Abdul Gani. "ANALYSIS OF VITAMIN C AND B1 LEVELS IN SENDUDUK FRUIT (Melastoma malabathricum L.) USING UV-VIS SPECTROPHOTOMETRY METHOD." Chimica Didactica Acta 8, no. 2 (2021): 49–54. http://dx.doi.org/10.24815/jcd.v8i2.23028.

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The fruit of "senduduk" contains a variety of nutrients and vitamins including vitamin C and B1. This study aims to determine the levels of vitamins C and B1 in young and ripe senduduk fruit that grows in coastal areas and in the mountains. The sample of the fruit was extracted with water. The absorbance of the extract of the fruit was then measured using UV-Vis spectrophotometry for vitamin C at a wavelength of 250 nm, while for vitamin B1 was measured at 420 nm. The results showed that vitamin C levels were (G1 = 0.34; G2 = 0.29%; P1 = 0.35; and P2 = 0.31)%, vitamin B1 was (G1 = 0.21; G2 = 0

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WAAGBØ, R., K. SANDNES, J. GLETTE, E. R. NILSEN, and S. ALBREKTSEN. "Dietary Vitamin B6and Vitamin C." Annals of the New York Academy of Sciences 669, no. 1 (1992): 379–82. http://dx.doi.org/10.1111/j.1749-6632.1992.tb17129.x.

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Cuomo, Francesca, Giuseppe Cinelli, Catalina Chirascu, Emanuele Marconi, and Francesco Lopez. "Antioxidant Effect of Vitamins in Olive Oil Emulsion." Colloids and Interfaces 4, no. 2 (2020): 23. http://dx.doi.org/10.3390/colloids4020023.

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In this study, water-in-extra virgin olive oil emulsions were enriched with vitamins. Water-in oil emulsions are heterogeneous systems able to solubilize both hydrophilic and hydrophobic compounds. Thus, hydrophilic vitamin C and lipophilic vitamin E were loaded separately or together in emulsion. A suitable emulsion composition was selected after considering different surfactant (mono and diglycerides of fatty acids, E471; sorbitan monooleate, Span 80; polyoxyethylene sorbitan monooleate, Tween 80) and water concentrations. The most appropriate emulsion, for the high stability, resulted the o

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Xavier, Alan Müller Mendonça, Giovano Neumann, Eduardo Antônio Sanches, Sara Ugulino Cardoso, and Robie Allan Bombardelli. "Extenders with vitamins C and E applied to Rhamdia quelen sperm cryopreservation / Extensores com vitaminas C e E aplicados à criopreservação de esperma de Rhamdia quelen." Brazilian Journal of Development 7, no. 12 (2021): 118046–60. http://dx.doi.org/10.34117/bjdv7n12-521.

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We performed this experiment to evaluate the effects of adding vitamins C and E on extenders for sperm cryopreservation of Rhamdia quelen over spermatic mobility after thawing. At cryopreservation, sperm samples were diluted in a proportion of 1:3 (v/v), following pre-freezing in nitrogen steam and subsequent immersion in liquid nitrogen. The diluents were composed by 5% milk powder, 5% glucose, 10% methanol and different levels of vitamin. Three sperm cryopreservation tests were carried out with (1) diluent containing 0.0; 4.0; 6.5; 9.0 and 11.5 mg of vitamin C mL-1, (2) diluent containing 0.

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Ibrahim, Ibrahim H., S. M. Sallam, H. Omar, and M. Rizk. "Oxidative Hemolysis of Erythrocytes Induced by Various Vitamins." International Journal of Biomedical Science 2, no. 3 (2006): 295–98. http://dx.doi.org/10.59566/ijbs.2006.2295.

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Hemolytic effect of some water-soluble vitamins (niacin B5, pyridoxine B6, thiamine B1 and ascorbic and acid C) on erythrocytes was studied spectrophotometrically at relatively high concentration. The oxidation mechanism of hemoglobin was the same for the used vitamins. Vitamin C was the strongest hemolytic agent in comparison with the other vitamins, while vitamin B1 is the weakest one. The results were confirmed by studying the variation in conductivity of erythrocytes with temperature in the range 20-40 °C for the used vitamins at a concentration of 2 mM and after two hours from adding each

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Khawaja, Rehan, Tahir Munir, Uzma Hassan, and Syed Shoaib Shah. "TYPE 2 DIABETES MELLITUS." Professional Medical Journal 22, no. 01 (2015): 143–48. http://dx.doi.org/10.29309/tpmj/2015.22.01.1424.

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Objectives: To access the Antioxidant Status in Patient with Variation in Durationof Type 2 Diabetes Mellitus. Data source: 90 selected patients suffering from Type 2 DiabetesMellitus (DM) and 30 subjects as control group. Design of study: Case Control Study. Setting:Rawal Institute of Health Sciences, Islamabad. Period: July 2013 – March 2014. Materials& methods: Out of 120 selected subjects, 90 were of DM type 2and 30 were assigned ascontrol group (group 1). Based on duration, patients of DM type 2 were divided into; group2, 3 and 4; group 2 – patients with DM (type 2) duration less than

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Isayev, Y. T., and X. X. Zokirova. "YULG’UN O’SIMLIGI TARKIBIDAGI SUVDA ERUVCHAN VITAMINLAR MIQDORINI ANIQLASH." Universal International Scientific Journal 2, no. 1 (2025): 76–82. https://doi.org/10.69891/3060-4540.2025.80.52.001.

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Maqolada yulg’un o’simligining guli va novda qismidagi suvda eruvchan B1, B2, B3, B6, B9, B12, C va PP vitaminlarning miqdorini YSSX metodi yordamida aniqlash bo‘yicha olib borilgan tadqiqot natijalari bayon qilingan. Olingan natijalar yulg`unning o`rganilgan qismlarida mazkur vitaminlar sezilarli darajada mavjud ekanligini, gulida B2, B9 va PP vitaminlari nisbatan ko`proq, poya qismida esa C vitamini ko`proqligini ko`rsatdi. Yulg’un o’simligida B12 vitamini topilmadi. В статье представлены результаты исследований, проведенных для количественного определения водорастворимых витаминов B1, B2, B

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Mmerenini, Kris Azubuike, Janet Nkemjika Nwabiara, Prince Henry Nnadi, et al. "Effects of Tramadol on Antioxidant Enzymes, Total Antioxidant Capacity, and Some Vitamins in Tramadol Abusers." Journal of Advances in Medical and Pharmaceutical Sciences 26, no. 8 (2024): 38–47. http://dx.doi.org/10.9734/jamps/2024/v26i8706.

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Tramadol is a fully synthetic opioid pain reliever or analgesic that works by changing the way the body senses pain. There is, however, insufficient report on the role exerted by tramadol towards causing a depletion in the serum antioxidant enzymes— superoxide dismutase (SOD), catalase (CAT), glutathione (GPX) and total antioxidant vitamins— vitamin A, C, D and E in tramadol abusers especially in Nigeria. This study was therefore carried out to evaluate the blood levels of the antioxidant enzymes— superoxide dismutase, catalase, and glutathione, the total antioxidant capacity and the blood lev

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O. AL-Muhammadi, Muhammad. "Evaluation of antioxidant vitamins (A and C) in patients with pulmonary tuberculosis." AL-QADISIYAH MEDICAL JOURNAL 10, no. 18 (2017): 122–30. http://dx.doi.org/10.28922/qmj.2014.10.18.122-130.

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Background: The antioxidant vitamins such as vitamin A and vitamin C functions as the first line antioxidant defense against free oxygen radicals present primarily in the plasma. Examination of antioxidants in patients with tuberculosis may identify deficiencies that predispose to severe oxidant injury. However, our knowledge of the antioxidant profile and its relation to tuberculosis patients is scarce, particularly in developing countries.Aim: This study aims to estimate some vitamins antioxidant ,Vitamin A and C in both male and female patients with pulmonary tuberculosis.Patients and Metho

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Nurmalasari, Yesi, Tusy Triwahyuni, Dessy Hermawan, and Mutiara Tasya Sazabilla. "PERBEDAAN TINGKAT PENGETAHUAN MAHASISWA KEDOKTERAN TINGKAT AWAL DAN AKHIR UNIVERSITAS MALAHAYATI MENGENAI PERAN VITAMIN C DAN D BAGI IMUNITAS TUBUH SAAT PANDEMI COVID-19." Jurnal Kesehatan Tambusai 3, no. 2 (2022): 42–47. http://dx.doi.org/10.31004/jkt.v3i2.4124.

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ABSTRAK Pengetahuan adalah merupakan hasil dari rasa keingintahuan melalui proses sensoris, terutama pada mata dan telinga terhadap objek tertentu. Tingkat pengetahuan seseorang dapat dipengaruhi oleh beberapa faktor, yaitu tingkat pendidikan atau jenis pendidikan yang diperoleh, informasi yang diperoleh oleh orang tersebut, pengalaman, budaya dan status sosial ekonomi orang tersebut. Tingkat pengetahuan dan pemahaman setiap orang tentang penggunaan vitamin C dan D pasti berbeda-beda, vitamin C dan D juga sangat penting bagi imunitas. Vitamin C adalah vitamin yang larut dalam air, antiok

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Varsamis, Nikolaos, Georgios A. Christou, Christos Derdemezis, Alexandros Tselepis, and Dimitrios Kiortsis. "The Associations of Dietary Vitamin K Intake and Circulating Vitamin 25(OH)D with Serum Lipoprotein Levels: The Vitamin Deficiency Matters." Hormone and Metabolic Research 55, no. 03 (2023): 196–204. http://dx.doi.org/10.1055/a-2020-2080.

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AbstractA synergistic interplay between vitamins K and D appears to exist. We aimed to investigate for the first time whether the associations of dietary vitamin K intake and circulating 25(OH)D with serum lipoprotein levels are influenced by the existence of deficiency of either or both vitamins K and D. Sixty individuals [24 males, 36(18–79) years old] were examined. Vitamin deficiency of K1 and D were defined as vitamin K1 intake/body weight (BW)<1.00 μg/kg/day and circulating 25(OH)D<20 ng/ml, respectively. In individuals with vitamin K1 deficiency, the vitamin K1 intake/BW correlate

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