Displaying publications 1 - 20 of 185 in total

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  1. Sunlight and vitamins
    Rosedale JL
    Malayan Medical Journal, 1929;4:96.
    Matched MeSH terms: Vitamins
  2. Recent work on vitamins and hormones
    Simpson IA
    Malayan Medical Journal, 1936;11:1-5.
    Matched MeSH terms: Vitamins
  3. Studies on the anti-neuritic vitamin. IV. Polyneuritis versus beri-beri
    Rosedale JL, Oliveiro CJ
    Malayan Medical Journal, 1930;5:62.
    Matched MeSH terms: Vitamins
  4. Fulltext Rays of immunity: Role of sunshine vitamin in management of COVID-19 infection and associated comorbidities
    Udaya Kumar V, Pavan G, Murti K, Kumar R, Dhingra S, Haque M, et al.
    Clin Nutr ESPEN, 2021 Dec;46:21-32.
    PMID: 34857198 DOI: 10.1016/j.clnesp.2021.09.727
    The catastrophic pandemic engendered due to the Novel coronavirus (COVID-19) outbreak which causes severe clinical afflictions on the respiratory system has severely high morbidity and mortality rates. The requirement of novel compounds is at utmost importance due to lack of targeted drug molecule to treat the afflictions and restrict the viral infection and for the usage of prophylactic treatment to avoid the spread of the infection is of utmost importance. Vitamin D is one such naturally available multifunctional molecule, which plays an eminent role in the immune system and instigation of numerous cellular pathways further promoting health benefits and enhancing the human quality of life. This article reviews the current standpoint scenario and future prevalence of vitamin D supplementation in the management of covid-19 patients. Novel findings of Vitamin D suggest that along with regulation of cell growth, neuroprotective and mood-stabilizing effects, it regulates the immune response also modulate cytokine Interleukin-6 (IL-6) by inducing progesterone-induced blocking factor (PIBF), given the IL-6 levels are considerably high in COVID-19 patients which increases the further complications. Vitamin D also have its effect on angiotensin converting enzyme (ACEII) inhibitor through which the COVID-19 virus makes cell entry. Numerous research data elucidate the play of Vitamin D, in complications of COVID-19 including the most common comorbid conditions, neurological manifestations and immunological aspects makes it an ideal molecule for adjuvant therapy. Including Vitamin D as add-on therapy in the management of COVID-19 might aid the arrest of infection and helps fight this arduous epidemic.
    Matched MeSH terms: Vitamins*
  5. Fulltext The effect of vitamin C on the risk of mortality in patients with COVID-19: a systematic review and meta-analysis of randomized controlled trials
    Kow CS, Hasan SS, Ramachandram DS
    Inflammopharmacology, 2023 Dec;31(6):3357-3362.
    PMID: 37071316 DOI: 10.1007/s10787-023-01200-5
    BACKGROUND AND AIMS: Vitamin C appears to be a viable treatment option for patients with COVID-19.

    METHODS: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) of vitamin C versus comparative interventions in patients with COVID-19. The outcome of interest was all-cause mortality.

    RESULTS: The meta-analysis of eleven trials using a random-effects model revealed significant reduction in the risk of all-cause mortality with the administration of vitamin C among patients with COVID-19 relative to no vitamin C (pooled odds ratio = 0.53; 95% confidence interval 0.30-0.92). Subgroup analysis of studies that included patients with severe COVID-19 also produced findings of significant mortality reduction with the administration of vitamin C relative to no vitamin C (pooled odds ratio = 0.47; 95% confidence interval 0.26-0.84).

    CONCLUSION: Overall, evidence from RCTs suggests a survival benefit for vitamin C in patients with severe COVID-19. However, we should await data from large-scale randomized trials to affirm its mortality benefits.

    Matched MeSH terms: Vitamins/therapeutic use
  6. Obstructive sleep apnea and vitamin D: an updated systematic review and meta-analysis
    Loh HH, Lim QH, Kang WH, Yee A, Yong MC, Sukor N
    Hormones (Athens), 2023 Dec;22(4):563-580.
    PMID: 37704922 DOI: 10.1007/s42000-023-00481-3
    PURPOSE  : Obstructive sleep apnea (OSA) is a chronic, sleep-related breathing disorder which leads to increased cardiovascular risks. Vitamin D deficiency is associated with various cardiometabolic complications, including increased cardiovascular morbidity and mortality. We aimed to analyze the difference in serum 25-hydroxyvitamin D (25-OHD) level, prevalence of vitamin D insufficiency and deficiency, and the effect of CPAP treatment on serum 25-OHD levels among adult patients with OSA.

    METHODS: We pooled data from 18 observational studies involving 5592 individuals. Baseline parameters that might have contributed to the significant differences observed were also analyzed.

    RESULTS: Patients with OSA had significantly lower serum 25-OHD levels (pooled d +  - 0.74 [95% CI: - 1.19 to - 0.28], p 

    Matched MeSH terms: Vitamins
  7. Fulltext Metabolic Syndrome Screening and Nutritional Status of Patients with Psoriasis: A Scoping Review
    Mohamed Haris NH, Krishnasamy S, Chin KY, Mariappan V, Arumugam M
    Nutrients, 2023 Jun 10;15(12).
    PMID: 37375611 DOI: 10.3390/nu15122707
    Background: Patients with plaque psoriasis have an increased risk of metabolic syndrome. However, no studies have assessed the nutritional status or screening methods of this population. Aims: This review aimed to identify and summarise metabolic syndrome screening criteria and the tools/methods used in nutrition assessment in patients with plaque psoriasis. Data synthesis: PubMed, Web of Science, Ovid and Scopus were searched from inception to March 2023, following the Arkensey and O'Malley framework, to identify articles that report nutritional assessment methods/tools and metabolic screening criteria. Twenty-one studies were identified. Overall, these studies used four different screening criteria to define metabolic syndrome. Patients with psoriasis had a high prevalence of metabolic syndrome and had a poor nutritional status compared to controls. However, only anthropometric measures such as weight, height and waist circumference were employed to determine the nutritional status. Only two studies assessed the vitamin D status. Conclusions: Patients with psoriasis have a poor nutritional status, and they are at risk of nutrient deficiencies. However, these health aspects are not routinely assessed and may increase the risk of malnutrition among these patients. Therefore, additional assessments, such as body composition and dietary assessment, are needed to determine the nutritional status to provide a suitable intervention.
    Matched MeSH terms: Vitamins
  8. Recent advances in encapsulation of fat-soluble vitamins using polysaccharides, proteins, and lipids: A review on delivery systems, formulation, and industrial applications
    Wijekoon MMJO, Mahmood K, Ariffin F, Mohammadi Nafchi A, Zulkurnain M
    Int J Biol Macromol, 2023 Jun 30;241:124539.
    PMID: 37085081 DOI: 10.1016/j.ijbiomac.2023.124539
    Fat-soluble vitamins (FSVs) offer a range of beneficial properties as important nutrients in human nutrition. However, the high susceptibility to environmental conditions such as high temperature, light, and oxygen leads to the degradation of these compounds. This review highlights the different formulations underlying the encapsulation of FSVs in biopolymer (polysaccharide and protein) and lipid-based micro or nanocarriers for potential applications in food and pharmaceutical industries. In particular, the function of these carrier systems in terms of encapsulation efficiency, stability, bioavailability, and bio-accessibility is critically discussed. Recently, tremendous attention has been paid to encapsulating FSVs in commercial applications. According to the chemical nature of the active compound, the vigilant selection of delivery formulation, method of encapsulation, and final application (type of food) are the key important factors to be considered in the encapsulation of FSVs to ensure a high loading capacity, stability, bioavailability, and bio-accessibility. Future studies are recommended on the effect of different vitamin types and micro and nano encapsulate sizes on bioaccessibility and biocompatibility through in vitro/in vivo studies. Moreover, the toxicity and safety evaluation of encapsulated FSVs in human health should be evaluated before commercial application in food and pharmaceuticals.
    Matched MeSH terms: Vitamins*
  9. Fulltext Exploring the Immune-Boosting Functions of Vitamins and Minerals as Nutritional Food Bioactive Compounds: A Comprehensive Review
    Mitra S, Paul S, Roy S, Sutradhar H, Bin Emran T, Nainu F, et al.
    Molecules, 2022 Jan 16;27(2).
    PMID: 35056870 DOI: 10.3390/molecules27020555
    Food components have long been recognized to play a fundamental role in the growth and development of the human body, conferring protective functionalities against foreign matter that can be severe public health problems. Micronutrients such as vitamins and minerals are essential to the human body, and individuals must meet their daily requirements through dietary sources. Micronutrients act as immunomodulators and protect the host immune response, thus preventing immune evasion by pathogenic organisms. Several experimental investigations have been undertaken to appraise the immunomodulatory functions of vitamins and minerals. Based on these experimental findings, this review describes the immune-boosting functionalities of micronutrients and the mechanisms of action through which these functions are mediated. Deficiencies of vitamins and minerals in plasma concentrations can lead to a reduction in the performance of the immune system functioning, representing a key contributor to unfavorable immunological states. This review provides a descriptive overview of the characteristics of the immune system and the utilization of micronutrients (vitamins and minerals) in preventative strategies designed to reduce morbidity and mortality among patients suffering from immune invasions or autoimmune disorders.
    Matched MeSH terms: Vitamins/immunology*; Vitamins/pharmacology*
  10. Fulltext Treatment of stroke
    Tweedie DR
    Med J Malaysia, 1982 Dec;37(4):384-5.
    PMID: 7167096
    Matched MeSH terms: Vitamins/therapeutic use*
  11. Fulltext Thin layer drying kinetics and quality dynamics of persimmon (Diospyros kaki) treated with preservatives and solar dried under different temperatures
    Khaliq A, Li WF, Ali S, Shah ST, Ma ZH, Mao J, et al.
    PLoS One, 2022;17(3):e0265111.
    PMID: 35353819 DOI: 10.1371/journal.pone.0265111
    Poor postharvest handling, microbial infestation, and high respiration rate are some the factors are responsible for poor storage life of perishable commodities. Therefore, effective preservation of these commodities is needed to lower the damages and extend shelf life. Preservation is regarded as the action taken to maintain desired properties of a perishable commodity as long as possible. Persimmon (Diospyros kaki) is perishable fruit with high nutritive value; however, has very short shelf-life. Therefore, effective preservation and drying is needed to extend its storage life. Drying temperature and preservatives significantly influence the quality of perishable vegetables and fruits during drying. The current study investigated the effect of different temperatures and preservatives on drying kinetics and organoleptic quality attributes of persimmon. Persimmon fruits were treated with preservatives (25% honey, 25% aloe vera, 2% sodium benzoate, 1% potassium metabisulfite, and 2% citric acid solutions) under different drying temperatures (40, 45, and 50°C). All observed parameters were significantly affected by individual effects of temperatures and preservatives, except ash contents. Similarly, interactive effects were significant for all parameters except total soluble sugars, ash contents, and vitamin C. Generally, fruits treated with citric acid and dried under 50°C had 8.2% moisture loss hour-1, 14.9 drying hours, 0.030 g H2O g-1 hr-1, 1.23° Brix of total soluble solids, 6.71 pH, 1.35% acidity, and 6.3 mg vitamin C. These values were better than the rest of the preservatives and drying temperatures used in the study. Therefore, treating fruits with citric acid and drying at 50°C was found a promising technique to extend storage life of persimmon fruits. It is recommended that persimmon fruits dried at 50°C and preserved in citric acid can be used for longer storage period.
    Matched MeSH terms: Vitamins/analysis
  12. Nutraceuticals and COVID-19: A mechanistic approach toward attenuating the disease complications
    Paudel KR, Patel V, Vishwas S, Gupta S, Sharma S, Chan Y, et al.
    J Food Biochem, 2022 Dec;46(12):e14445.
    PMID: 36239436 DOI: 10.1111/jfbc.14445
    Nutraceuticals have emerged as potential compounds to attenuate the COVID-19 complications. Precisely, these food additives strengthen the overall COVID treatment and enhance the immunity of a person. Such compounds have been used at a large scale, in almost every household due to their better affordability and easy access. Therefore, current research is focused on developing newer advanced formulations from potential drug candidates including nutraceuticals with desirable properties viz, affordability, ease of availability, ease of administration, stability under room temperature, and potentially longer shelf-lives. As such, various nutraceutical-based products such as compounds could be promising agents for effectively managing COVID-19 symptoms and complications. Most importantly, regular consumption of such nutraceuticals has been shown to boost the immune system and prevent viral infections. Nutraceuticals such as vitamins, amino acids, flavonoids like curcumin, and probiotics have been studied for their role in the prevention of COVID-19 symptoms such as fever, pain, malaise, and dry cough. In this review, we have critically reviewed the potential of various nutraceutical-based therapeutics for the management of COVID-19. We searched the information relevant to our topic from search engines such as PubMed and Scopus using COVID-19, nutraceuticals, probiotics, and vitamins as a keyword. Any scientific literature published in a language other than English was excluded. PRACTICAL APPLICATIONS: Nutraceuticals possess both nutritional values and medicinal properties. They can aid in the prevention and treatment of diseases, as well as promote physical health and the immune system, normalizing body functions, and improving longevity. Recently, nutraceuticals such as probiotics, vitamins, polyunsaturated fatty acids, trace minerals, and medicinal plants have attracted considerable attention and are widely regarded as potential alternatives to current therapeutic options for the effective management of various diseases, including COVID-19.
    Matched MeSH terms: Vitamins/therapeutic use
  13. The effects of vitamin C supplementation on glycemic control in patients with type 2 diabetes: A systematic review and meta-analysis
    Nosratabadi S, Ashtary-Larky D, Hosseini F, Namkhah Z, Mohammadi S, Salamat S, et al.
    Diabetes Metab Syndr, 2023 Aug;17(8):102824.
    PMID: 37523928 DOI: 10.1016/j.dsx.2023.102824
    BACKGROUND AND AIM: It has been suggested that taking vitamin C supplements may improve glycemic control in patients with type 2 diabetes mellitus (T2DM). However, there has not been a thorough evaluation of the actual impact or certainty of the findings. This systematic review and meta-analysis was conducted to determine the effect of vitamin C supplementation on glycemic profile in T2DM patients.

    METHODS: A systematic search was performed across online databases including Scopus, Web of Science, and PubMed/Medline to identify relevant randomized controlled trials (RCTs) published until July 2022. A random-effects model was applied for the meta-analysis.

    RESULTS: The present meta-analysis included a total of 22 RCTs with 1447 patients diagnosed with T2DM.A pooled analysis revealed a significant decrease in levels of serum hemoglobin A1c (HbA1c), fasting insulin, and fasting blood glucose (FBG) in vitamin C-treated T2DM patients compared with their untreated counterparts. The dose-response evaluation displayed a substantial linear association between the intervention duration and changes in serum HbA1c levels. However, the analysis did not demonstrate any significant effect of vitamin C on serum values of homeostasis model assessment of insulin resistance(HOMA-IR) in diabetic patients. Subgroup analyses indicated that high-dose vitamin C administration (≥1000 mg/d) considerably decreased serum HOMA-IR levels.

    CONCLUSION: These findings suggest that long-term (≥12 weeks) and high-dose vitamin C supplementation (≥1000 mg/d) may ameliorate glycemic profile in T2DM patients. However, additional high-quality RCTs are necessary to validate these results.

    Matched MeSH terms: Vitamins/therapeutic use
  14. Fulltext Practical way of creating differential diagnoses through an expanded VITAMINSABCDEK mnemonic
    Zabidi-Hussin ZA
    Adv Med Educ Pract, 2016;7:247-8.
    PMID: 27217805 DOI: 10.2147/AMEP.S106507
    Having an organized, structured thinking process is critical in medicine. It is through this thinking process that enables one to go through the method of history-taking, which will eventually lead to making a definitive diagnosis and all other processes that follow. The use of mnemonic has been found to be useful for this purpose. The mnemonic VITAMINSABCDEK, is a convenient and practical way to assist in expanding the differential diagnoses and covers all possible causes of an illness. It is also easy to remember, as the vitamins whose letters are represented in this mnemonic cover the entire range of vitamins known.
    Matched MeSH terms: Vitamins
  15. Does Vitamin D reduce disease activity in people with multiple sclerosis? A Cochrane Review summary with commentary
    Engkasan JP
    NeuroRehabilitation, 2019;45(1):135-136.
    PMID: 31403951 DOI: 10.3233/NRE-189008
    The aim of this commentary is to discuss in a rehabilitation perspective the recently published Cochrane Review "Vitamin D for the management of multiple sclerosis" by Jagannath et al. (2018)1 under the direct supervision of Cochrane Multiple Sclerosis and rare diseases of the CNS Group. This Cochrane Corner is produced in agreement with NeuroRehabilitation by Cochrane Rehabilitation.
    Matched MeSH terms: Vitamins
  16. Fulltext Honey: food or medicine?
    Saba, Z.H., Suzana, M., Yasmin Anum, M.Y.
    Medicine & Health, 2013;8(1):3-18.
    MyJurnal
    Madu adalah bahan semulajadi yang dihasilkan oleh lebah madu, Apis mellifera, berpunca daripada madu yang diambil dari bunga yang berkembang atau cecair dari pokok dan tumbuhan yang dikenali sebagai madu nektar dan madu serangga masing-masing. Ia adalah larutan tepu gula, yang kaya dengan protein, mineral, vitamin, asid organik dan polifenol. Madu mempunyai pelbagai khasiat, sifat penyembuhan dan profilaktik disebabkan oleh komponen-komponen yang terkandung di dalamnya. Madu mempunyai beberapa khasiat kesihatan seperti penyembuhan luka, antimikrob, antioksidan dan potensi anti-radang. Ulasan ini adalah berkaitan komposisi nutrien, antioksidan dan kesan terapeutik madu dengan penekanan kepada madu di Malaysia.
    Matched MeSH terms: Vitamins
  17. Fulltext Ayam organik alternatif daging putih kepada pengguna untuk kesihatan yang lebih baik: satu tinjauan literatur
    Jamilah Ismail, Norsuhana Abdul Hamid
    Jurnal Sains Kesihatan Malaysia, 2011;9(2):35-43.
    MyJurnal
    Daging memainkan peranan penting dalam diet seseorang. Daging kaya dengan sumber protein, vitamin B12, vitamin D, asid lemak Omega 3 dan mineral seperti zink dan ferum. Walaupun daging membekalkan pelbagai keperluan nutrien yang diperlukan oleh tubuh, tetapi pengambilan daging juga boleh membawa kesan negatif kepada kesihatan. Oleh itu, di dalam artikel ini perbincangan akan menyentuh kepada risiko pengambilan daging merah kepada kesihatan. Pengambilan daging merah dalam kekerapan dan kuantiti yang tinggi boleh menyebabkan pelbagai penyakit antaranya seperti kanser dan kardiovaskular. Perbincangan juga di lakukan terhadap risiko pengambilan daging putih terhadap kesihatan. Pengambilan daging putih boleh mengundang pelbagai kesan negatif kepada kesihatan disebabkan oleh penggunaan hormon, antibiotik dan vaksin. Sebagai alternatif, daging ayam organik merupakan daging yang dicadangkan diambil oleh pengguna di dalam diet seharian. Prinsip penternakan ayam organik yang mementingkan sumber makanan ternakan tanpa penggunaan baja kimia dan racun perosak, aspek perumahan dan persekitaran yang mengutamakan kebajikan ternakan serta penjagaan kesihatan ternakan tanpa menggunakan hormon, antibiotik dan vaksin turut dibincangkan.
    Matched MeSH terms: Vitamins
  18. Vitamins and an unusual case of scurvy
    Linnell RM
    Lancet, 1914;184:127-8.
    DOI: 10.1016/S0140-6736(01)19747-3
    Matched MeSH terms: Vitamins
  19. The Physiological/Pathophysiological Significance of Vitamin D in Cancer, Cardiovascular Disorders and Beyond
    AlMatar M, AlMandeal H, Makky EA, Kayar B, Yarar E, Var I, et al.
    Curr Drug Metab, 2017;18(3):207-224.
    PMID: 27928943 DOI: 10.2174/1389200217666161207161212
    BACKGROUND: Vitamin D, a molecular precursor of the potent steroid hormone calcitriol, has crucial functions and roles in physiology and pathophysiology. Tellingly, calcitriol has been shown to regulate various cellular signalling networks and cascades that have crucial role in cancer biology and diagnostics. Mounting lines of evidences from previous clinical and preclinical investigations indicate that the deficiency of vitamin D may contribute to the carcinogenesis risk. Concomitantly, recent reports suggested that significant reduction in the cancer occurrence and progression is more likely to appear after vitamin D supplementation. Furthermore, a pivotal role functioned by vitamin D in cardiovascular physiology indicates that the deficiency of vitamin D is significantly correlated with enhanced prevalence of stroke, hypertension and myocardial infarction. Notably, vitamin D status is more likely to be used as a lifestyle biomarker, since poor and unhealthy lifestyles are correlated with the deficiency of vitamin D, a feature which may result in cardiovascular complications. Moreover, recent reports revealed that the effect of vitamin D is to cover not only cardiovascular system but also skeletal system.

    OBJECTIVE: Herein, we are highlighting the recent knowledge of vitamin D roles and functions with respect to pathophysiological disorders such as cancer, cardiovascular diseases, rheumatoid arthritis (RA) and debate the potential avails of vitamin D on slowing cancer, cardiovascular disease and RA progression.

    CONCLUSION: The findings of this review confirm that the importance of vitamin D metabolites or analogues which can provide a helpful platform to target some kinds of cancer, particularly when used in combination with existing therapies. Moreover, the correlation between vitamin D deficiencies with cardiovascular diseases and rheumatoid arthritis (RA) progression might suggest a pivotal role of vitamin D in either initiation or progression of these diseases.

    Matched MeSH terms: Vitamins/immunology; Vitamins/metabolism; Vitamins/physiology*
  20. Role of Medicinal plant-derived Nutraceuticals as a potential target for the treatment of breast cancer
    Alharbi KS, Almalki WH, Makeen HA, Albratty M, Meraya AM, Nagraik R, et al.
    J Food Biochem, 2022 Dec;46(12):e14387.
    PMID: 36121313 DOI: 10.1111/jfbc.14387
    Breast cancer (BC) is one of the most challenging cancers to treat, accounting for many cancer-related deaths. Over some years, chemotherapy, hormone treatment, radiation, and surgeries have been used to treat cancer. Unfortunately, these treatment options are unsuccessful due to crucial adverse reactions and multidrug tolerance/resistance. Although it is clear that substances in the nutraceuticals category have a lot of anti-cancer activity, using a supplementary therapy strategy, in this case, could be very beneficial. Nutraceuticals are therapeutic agents, which are nutrients that have drug-like characteristics and can be used to treat diseases. Plant nutraceuticals categorized into polyphenols, terpenoids, vitamins, alkaloids, and flavonoids are part of health food products, that have great potential for combating BC. Nutraceuticals can reduce BC's severity, limit malignant cell growth, and modify cancer-related mechanisms. Nutraceuticals acting by attenuating Hedgehog, Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), Notch, and Wnt/β-catenin signaling are the main pathways in controlling the self-renewal of breast cancer stem cells (BCSCs). This article reviews some important nutraceuticals and their modes of action, which can be very powerful versus BC. PRACTICAL APPLICATIONS: Nutraceuticals' importance to the control and diagnosis of breast cancer is undeniable and cannot be overlooked. Natural dietary compounds have a wide range of uses and have been used in traditional medicine. In addition, these natural chemicals can enhance the effectiveness of other traditional medicines. They may also be used as a treatment process independently because of their capacity to affect several cancer pathways. This study highlights a variety of natural chemicals, and their mechanisms of action, routes, synergistic effects, and future potentials are all examined.
    Matched MeSH terms: Vitamins
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