Foods that Boost Immune System for Cancer Patient

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8 Foods to Boost Immunity In Cancer Patients - 8 Foods to Boost Immunity In  Cancer PatientsFood represents not only a source of nutrients for body growth and for the maintenance of essential functions but also includes dietary components that behave as antigens. prebiotics, A diet rich in antioxidants, fibres, and monounsaturated and polyunsaturated fatty acids, should decrease cancer incidence and mortality. Several observational studies have provided scientific evidence that diets rich in fruit, vegetables, legumes, whole grains, fish, low-fat dairy products, and hazelnut, reducing the oxidative processes and inflammation, are associated with a lower incidence of chronic non-communicable diseases. Moreover, dietary supplementation with antioxidants, including minerals, vitamins and phenolic compounds obtained from plants, exert health benefits, maintaining a desirable pro-oxidative/anti-oxidative balance.

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Omega 3, 6 and 9 fatty acids, fat-soluble bioactives with nutraceutical properties (tocopherols and phytosterols), vitamins (vitamins B1, B2, B6, niacin, thiamin and α-tocopherol, the most active form of vitamin E), essential minerals (selenium, potassium, magnesium, phosphorus, manganese, iron, zinc and copper, and a low level of sodium), essential amino acids, antioxidant phenolics (caffeic acid), dietary fibre (soluble), flavonoids (as catechin, epicatechin, quercetin, procyanidins, phenolic acids (as gallic and protocatechuic acids) can be considered functional foods, that exert physiological benefits beyond basic nutritional function. Because there are a plethora of phytochemicals that appear to be protective against cancer.

A higher flavonoid intake is associated with lower cancer risk, affecting all three stages of carcinogenesis (initiation, promotion, and progression) by modulating the signal transduction pathways, controlling cell division and growth, apoptosis, inflammation, angiogenesis, and metastasis. Flavonoid supplementation is therefore considered a promising anticancer therapy Although food supplies with native forms of phytochemicals can achieve the maximal antitumor effect, clinical effects of these compounds can be reached at high concentrations, impossible to be retrieved from natural sources.

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Daily ingestion of polyphenols with fruits, vegetables, cereals, extra virgin olive oil, wine, tea and coffee has also prompted further studies on their anti-cancer activity. Curcumin, green tea, polyphenols [epigallo-catechin-gallate (EPGC)], quercetin and resveratrol are the most effective anti-cancer compounds as they inhibit NF-kB activation. Polyphenols from blueberry powder were very effective either in vitro or in vivo at inhibiting breast cancer cell proliferation and metastasis, down-regulating IL-6 production. Optimal nutrition for the best immunological outcomes would be nutrition, which supports the functions of immune cells allowing them to initiate effective responses against pathogens but also to resolve the response rapidly when necessary and avoid any underlying chronic inflammation. The immune system’s demands for energy and nutrients can be met from exogenous sources i.e The diet, or dietary sources are metabolized in the body to act as endogenous sources.

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Some micronutrients and dietary components have very specific roles in the development and maintenance of an effective immune system throughout the life course or in reducing chronic inflammation. For example, the amino acid arginine is essential for the generation of nitric oxide by macrophages, and the micronutrients vitamin A and zinc regulate cell division and so are essential for a successful proliferative response within the immune system.  A range of bioactive compounds found in fruits and vegetables have been reported to offer one explanation for the protective effect of diets rich in fruits and vegetables. Zinc is known to be an important micronutrient for the immune system. It has a role as a cofactor with both catalytic and structural roles in many proteins. Selenium is a trace element that, like zinc, has critical functional, structural, and enzymatic roles, in a range of proteins. Poor selenium status is associated with a higher risk for a range of chronic diseases including cancer and cardiovascular disease. Glutamine is a nonessential amino acid that provides an important energy source for many cell types including those involved in immune responses. Vitamin D helps the production of antimicrobial proteins and influences cytokine production by immune cells.

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Carotenoids are potent antioxidants embedded within the lipid bilayer that scavenge free radicals and have been inversely associated with markers of inflammation. Both flavonoids and carotenoids are typically found in higher concentrations in those following vegetarian-based dietary patterns and may contribute to the observed attenuation of inflammation in vegetarian-based groups. Phytochemicals, which tend to be more plentiful in vegetarian-based eating patterns, may act as antioxidant, antibacterial, antifungal, anti-inflammatory, antiallergic, hypotensive, chemopreventive agents, and may modulate inflammatory and immune function. Hence, the superfoods that boost the immune system of cancer patients are beans, peas, chicken, nuts, fish, tofu, cheese, eggs, brown rice, barley, oatmeal, millets, sprouted whole grains, corn, sweet potatoes, all kind of berries, apples, tomatoes, broccoli, peas, avocado, olive oil, meat, green leafy vegetables, kiwi, banana, papaya, probiotics like curd, yoghurt, kimchi, curcumin in salads or while cooking.

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