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    which vitamin, abundant in fruits and vegetables, is linked to increased immunity and the destruction of toxic substances within the body?

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    Which vitamin, abundant in fruits and vegetables, is linked to increased immunity and the destruction

    Click here 👆 to get an answer to your question ✍️ Which vitamin, abundant in fruits and vegetables, is linked to increased immunity and the destruction of toxi…

    08/06/2015 Physics High School

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    Which vitamin, abundant in fruits and vegetables, is linked to increased immunity and the destruction of toxic substances within the body?

    Vitamin A Vitamin C Vitamin D Vitamin K

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    Expert-verified answer

    Answer: Option (b) is the correct answer.Explanation:

    Vitamin C is also called ascorbic acid and it is abundant in fruits and vegetables.

    For example, oranges, tomatoes, lemon, etc are rich in vitamin C.

    It also helps in increasing immunity and destroys the toxic substances present within our body.

    Thus, we can conclude that Vitamin C is abundant in fruits and vegetables, is linked to increased immunity and the destruction of toxic substances within the body.

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    Expert-verified answer

    Explanation : Vitamin C is abundant in fruits and vegetables and is also called ascorbic acid.

    It is also help to  to increased immunity and the destruction of toxic substances within the body.

    All the fruits like orange , lemon tomato etc.. are rich in vitamin C.

    Therefore, Vitamin C.

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    acobdarfq and 15 more users found this answer helpful

    5.0 (5 votes)

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    Vitamin C in Disease Prevention and Cure: An Overview

    The recognition of vitamin C is associated with a history of an unrelenting search for the cause of the ancient haemorrhagic disease scurvy. Isolated in 1928, vitamin C is essential for the development and maintenance of connective tissues. It plays an ...

    Indian J Clin Biochem. 2013 Oct; 28(4): 314–328.

    Published online 2013 Sep 1. doi: 10.1007/s12291-013-0375-3

    PMCID: PMC3783921 PMID: 24426232

    Vitamin C in Disease Prevention and Cure: An Overview

    Shailja Chambial, Shailendra Dwivedi, Kamla Kant Shukla, Placheril J. John, and Praveen Sharma

    Author information Article notes Copyright and License information Disclaimer

    This article has been cited by other articles in PMC.

    Go to:

    Abstract

    The recognition of vitamin C is associated with a history of an unrelenting search for the cause of the ancient haemorrhagic disease scurvy. Isolated in 1928, vitamin C is essential for the development and maintenance of connective tissues. It plays an important role in bone formation, wound healing and the maintenance of healthy gums. Vitamin C plays an important role in a number of metabolic functions including the activation of the B vitamin, folic acid, the conversion of cholesterol to bile acids and the conversion of the amino acid, tryptophan, to the neurotransmitter, serotonin. It is an antioxidant that protects body from free radical damage. It is used as therapeutic agent in many diseases and disorders. Vitamin C protects the immune system, reduces the severity of allergic reactions and helps to fight off infections. However the significance and beneficial effect of vitamin C in respect to human disease such as cancer, atherosclerosis, diabetes, neurodegenerative disease and metal toxicity however remains equivocal. Thus further continuous uninterrupted efforts may open new vistas to understand its significance in disease management.

    Keywords: Vitamin C, Atherosclerosis, Diabetes, Immunity, Cancer, Infertility, Heavy metal toxicity

    Go to:

    Introduction

    Vitamins are essential nutrients that are required for various biochemical and physiological processes in the body. It is well known that most of the vitamins cannot be synthesized in the body and hence their supplementation in diet is essential. Vitamins are classified on the basis of their solubility as water soluble (C and B complexes) and fat soluble vitamins (A, D, E, K). Vitamin C or ascorbic acid (AA) was first isolated in 1923 by Hungarian biochemist and Nobel laureate Szent-Gyorgyi and synthesized by Howarth and Hirst [1]. It exists in reduced [ascorbate] and oxidized forms as dehydroascorbic acid which are easily inter-convertible and biologically active thus it acts as important antioxidant. Vitamin C is easily oxidized acid and destroyed by oxygen, alkali and high temperature. Most of the plant and animal species have the ability to synthesize vitamin C from glucose and galactose through uronic acid pathway but man and other primates cannot do so because of deficiency of enzyme gulonolactone oxidase [EC 1.1.3.8] required for it’s biosynthesis. Deficiency of this enzyme is a result of a mutation which occurred approximately 40 million years ago [2].

    The body requires vitamin C for normal physiological functions. It helps in the synthesis and metabolism of tyrosine, folic acid and tryptophan, hydroxylation of glycine, proline, lysine carnitine and catecholamine. It facilitates the conversion of cholesterol into bile acids and hence lowers blood cholesterol levels. It also increases the absorption of iron in the gut by reducing ferric to ferrous state. As an antioxidant, it protects the body from various deleterious effects of free radicals, pollutants and toxins. The therapeutic effect of vitamin C was explored by Linus Pauling however his work on therapeutic role of vitamin C in his later years generated much controversy yet he was the first to introduce the concept of high doses of vitamin C for the treatment of various conditions from common cold to cancer [3]. Since then mega doses of vitamin C have been widely used in the treatment and prevention of a large number of disorders like diabetes, atherosclerosis, common cold, cataracts, glaucoma, macular degeneration, stroke, heart diseases, cancer and so on.

    Deficiency of this vitamin is often associated with anemia, infections, bleeding gums, scurvy, poor wound healing, capillary haemorrhage, muscle degeneration, atherosclerotic plaques and neurotic disturbances. For the correction of deficiency, vitamin C is often supplemented in large doses and unlike fat soluble vitamins, toxicity is rare. Recently the role of vitamin C in infection and immunity has also been investigated. In view of the vast biological, physiological functions and therapeutic role of vitamin C, this review is an attempt to summarise various evidences in this context.

    Go to:

    Dietary Sources of Vitamin C

    Vitamin C is found in citrus fruits, green peppers, red peppers, strawberries, tomatoes, broccoli, brussels sprouts, turnip, Indian gooseberry and other leafy vegetables. The animal sources are poor in vitamin C content and the level is usually <30–40 mg/100 g. Therefore plant sources become important because of high content of vitamin C up to 5,000 mg/100 g. It’s absorption in the buccal cavity is by passive diffusion however in gastrointestinal tract absorption is by active sodium dependent vitamin C transporters (SVCT) [4, 5].

    Go to:

    Vitamin C Bioavailability

    Bioavailability or the effective concentration of vitamin C essentially depends on its effective absorption from intestine and renal excretion. Vitamin C, consumed either with diet or dietary supplements, is absorbed by the epithelial cells of the small intestine by SVCT1 or, subsequently diffuses into the surrounding capillaries and then the circulatory system [5–7]. Circulating AA is filtered from kidney capillary bed into the Bowman’s capsule through a general filtration mechanism. AA is reabsorbed through SVCT1 transporter in proximal convoluted tubule [6]. The difference between the amount of AA filtered and reabsorbed constitutes renal excretion [8]. Together, intestinal absorption and renal excretion controls the serum level of vitamin C and thus its bioavailability. At low concentrations, most vitamin C is absorbed in the small intestine and reabsorbed from the renal tubule [9]. However, at high concentrations, SVCT1 is down regulated [10] which limits the amount of AA absorbed from the intestine and kidney [11]. This imposes a physiological restriction on the maximal effective serum vitamin C concentration (or its bioavailability) that is attainable by oral consumption [12]. This value has been determined to be 200 mmol/L [12], although “normal” physiological serum concentrations of ascorbate in healthy humans range from 60 to 100 mmol/L [13]. Vitamin C levels in circulating blood cells, such as platelets, are much higher than the plasma [13], as these cells express the SVCT2 transporter [14], which mediates intracellular ascorbate accumulation [15].

    Source : www.ncbi.nlm.nih.gov

    Which Vitamin Is Abundant In Fruits And Vegetables Is Linked To Increased Immunity And The Destruction Of Toxic Substances Within The Body?

    Vitamin C and Health

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    Which vitamin is abundant in fruits and vegetables is linked to increased immunity and the destruction of toxic substances within the body?

    COMMON QUESTIONSQNADMINDECEMBER 23, 2021

    Vitamin C and Health

    There is interest in the antioxidant role of vitamin C, as research has found the vitamin to neutralize free radical molecules, which in excess can damage cells. Vitamin C is also involved in the body’s immune system by stimulating the activity of white blood cells.

    Contents hide

    What vitamin is abundant in fruits and vegetables?

    Which vitamin abundant in fruits and vegetables is linked to increase immunity?

    Why is vitamin C important for immunity?

    What does vitamin C do?

    What diseases does vitamin C prevent?

    What is meat a rich source of?

    What are the top 5 antioxidants?

    Which fruit has which vitamin?

    Which is the richest source of vitamin C?

    Should I take vitamin C daily?

    How can I boost my immune system fast?

    Which vitamin is good for immune system?

    Is it safe to take 500mg of vitamin C daily?

    Is 1000mg vitamin C Safe?

    What type of vitamin C is best?

    What vitamin is abundant in fruits and vegetables?

    Food Sources. All fruits and vegetables contain some amount of vitamin C.

    Which vitamin abundant in fruits and vegetables is linked to increase immunity?

    Vitamin C, or ascorbic acid, is a water-soluble vitamin well known for its role in supporting a healthy immune system.

    Why is vitamin C important for immunity?

    It is a potent antioxidant and a cofactor for a family of biosynthetic and gene regulatory enzymes. Vitamin C contributes to immune defense by supporting various cellular functions of both the innate and adaptive immune system.

    What does vitamin C do?

    Vitamin C is an antioxidant that helps protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to tobacco smoke and radiation from the sun, X-rays or other sources. Free radicals might play a role in heart disease, cancer and other diseases.

    What diseases does vitamin C prevent?

    Vitamin C protects the immune system, reduces the severity of allergic reactions and helps to fight off infections. However the significance and beneficial effect of vitamin C in respect to human disease such as cancer, atherosclerosis, diabetes, neurodegenerative disease and metal toxicity however remains equivocal.

    What is meat a rich source of?

    Meats such as chicken, pork, lamb and beef are all rich in protein. Red meat provides us with iron, zinc and B vitamins. Meat is one of the main sources of vitamin B12 in the diet.

    What are the top 5 antioxidants?

    Dark Chocolate. Share on Pinterest. …

    Pecans. Pecans are a type of nut native to Mexico and South America. …

    Blueberries. … Strawberries. … Artichokes. … Goji Berries. … Raspberries. … Kale.

    Which fruit has which vitamin?

    Fruit Vitamin

    Apple Vitamin A Vitamin B1 Vitamin B2 Vitamin B6 Vitamin C Folate (folic acid)

    Banana Vitamin A Vitamin B1 Vitamin B2 Vitamin B6 Vitamin C Folate (folic acid)

    Blackberries Vitamin A Vitamin B1 Vitamin B2 Vitamin B6 Vitamin C Folate (folic acid)

    Which is the richest source of vitamin C?

    citrus fruit, such as oranges and orange juice.

    peppers. strawberries. blackcurrants. broccoli. brussels sprouts. potatoes.

    Should I take vitamin C daily?

    For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea.

    How can I boost my immune system fast?

    Get enough sleep. Sleep and immunity are closely tied. …

    Eat more whole plant foods. …

    Eat more healthy fats. …

    Eat more fermented foods or take a probiotic supplement. …

    Limit added sugars. …

    Engage in moderate exercise. …

    Stay hydrated. …

    Manage your stress levels.

    Which vitamin is good for immune system?

    Vitamin B6 is essential to keeping your immune system in top condition. Be sure to get enough vitamin B as a supplement, as part of your daily diet (you can easily get your daily intake from fortified cereals) or in a multivitamin.

    Is it safe to take 500mg of vitamin C daily?

    “The safe upper limit for vitamin C is 2,000 milligrams a day, and there is a great track record with strong evidence that taking 500 milligrams daily is safe,” he says.

    Is 1000mg vitamin C Safe?

    The upper limit for vitamin C in adults is 2,000 mg. Individuals with chronic liver disease, gout, or kidney disease are recommended to take no more than 1,000 mg of vitamin C per day. High vitamin C intakes have the potential to increase urinary oxalate and uric acid excretion.

    What type of vitamin C is best?

    Time-release vitamin C is often the preferred choice since vitamin C has better bioavailability when taken in smaller doses throughout the day. A time-release formula aims to solve this problem without taking multiple tablets, by releasing the vitamin C slowly throughout the day.

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