Produkty owsiane jako żywność funkcjonalna

• Autorzy: Ewa Lange

Warianty tytułu

Oats Products as Functional Food

• Języki publikacji: PL

Abstrakty

Zgodnie z definicją Functional Food Science in Europe (1999) żywność może być uznana za funkcjonalną, jeżeli udowodniono na podstawie reprezentatywnych badań naukowych jej korzystny, ponad efekt odżywczy, wpływ na poprawę stanu zdrowia oraz samopoczucia i/lub zmniejszanie ryzyka chorób. Równocześnie jednak żywność funkcjonalna musi przypominać swoją postacią żywność tradycyjną i wykazywać korzystne działanie w ilościach zwyczajowo spożywanych z dietą. Owies i jego przetwory są bogate w szereg składników bioaktywnych, takich jak: rozpuszczalne w wodzie ß-glukany, związki o właściwościach przeciwutleniających (tokole, awentramidyny, kwasy polifenolowe), wielonienasycone kwasy tłuszczowe, w tym kwas α-linolenowy oraz fitosterole (m.in. ß-sitosterol, Δ5-awenasterol). Produkty owsiane wywierają niezależne działanie hipocholesterolemiczne, a ich włączenie do diety w ilości równoważnej spożyciu 3 g ß-glukanów dziennie zmniejsza stężenie cholesterolu całkowitego we krwi o 2 %, a cholesterolu LDL o prawie 5 %. Włączenie przetworów owsianych do diety poprawia również kontrolę glikemii u osób z zaburzeniami tolerancji glukozy i cukrzycą typu 2. Niski indeks glikemiczny przetworów owsianych może mieć znaczenie nie tylko w zapobieganiu i leczeniu zaburzeń gospodarki węglowodanowej, ale i otyłości. Posiłki na bazie pełnoziarnistych przetworów owsianych charakteryzują się wysoką wartością odżywczą i stosunkowo niewielką gęstością energetyczną, dając jednocześnie długotrwałe uczucie sytości. Bogate w rozpuszczalne składniki błonnika pokarmowego przetwory owsiane mogą być również istotnym elementem wspomagania dietoterapii nadciśnienia tętniczego i dietoprofilaktyki nowotworów jelita grubego. (abstrakt oryginalny)

EN

According to the definition by the Functional Food Science in Europe (1999), food may be considered as functional only if it is proved, based on the results of the representative scientific researches, that it has a beneficial nutritional effect, adds to the improvement of health state and well-being, and/or reduces the risk of diseases. Additionally, its form has to be reminiscent of that of traditional food, and its quantities, consumed as part of everyday diet, should be sufficient to have all the beneficial effects as above. Oats and its products are rich in many bioactive ingredients, such as: water-soluble ß-glucans, compounds showing antioxidant activity (tokols, avenanthramides, polyphenolic acids), polyunsaturated fatty acids, especially α-linoleic acid, and fitosterols (for example ß-sitosterol, Δ5-avenasterol). Oat products have an individual hipocholesterolemic effect, and, if their amount included into the diet contains 3 g of ß-glucans per day, they decrease the total cholesterol level by 2 %, and the LDL cholesterol level by almost 5 %. Furthermore, the oats products included into the diet enhance the control of glycaemia in persons with inadequate glucose tolerance and type 2 diabetes. A low glycemic index of oats products may have importance not only in preventing and treating disorders of carbohydrate metabolism, but, also, the obesity. Meals based on whole-grain oat products are characterized by a high nutritional value and a relatively low energy density, and, at the same time, they produce a long-lasting feeling of satiety. Oat products, rich in water-soluble dietary fibre, may be, also, a significant element that supports a diet therapy for hypertension and a dietary prophylaxis of large intestine cancer. (original abstract)

Słowa kluczowe

PL

Żywność funkcjonalna; Produkty żywnościowe; Choroby; Właściwości zdrowotne produktu

EN

Functional food; Food products; Illness; Health properties of the product

• Czasopismo: Żywność: nauka - technologia - jakość
• Rocznik: 17 (2010)
• Numer: nr 3 (70)
• Strony: 7--24

Twórcy

autor

Ewa Lange

• Szkoła Główna Gospodarstwa Wiejskiego w Warszawie

Bibliografia

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