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Titolo:
Investigation of an in vitro model for predicting the effect of food components on calcium availability from meals
Autore:
Kennefick, S; Cashman, KD;
Indirizzi:
Natl Univ Ireland Univ Coll Cork, Dept Nutr, Cork, Ireland Natl Univ Ireland Univ Coll Cork Cork Ireland Dept Nutr, Cork, Ireland
Titolo Testata:
INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION
fascicolo: 1, volume: 51, anno: 2000,
pagine: 45 - 54
SICI:
0963-7486(200001)51:1<45:IOAIVM>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAT SMALL-INTESTINE; CASEIN PHOSPHOPEPTIDES; IRON AVAILABILITY; DIETARY CALCIUM; BLOOD-PRESSURE; CLINICAL-TRIAL; INVITRO METHOD; PHYTIC ACID; WHEAT BRAN; ADULT MEN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
77
Recensione:
Indirizzi per estratti:
Indirizzo: Cashman, KD Natl Univ Ireland Univ Coll Cork, Dept Nutr, Cork, Ireland Natl Univ Ireland Univ Coll Cork Cork Ireland Cork, Ireland
Citazione:
S. Kennefick e K.D. Cashman, "Investigation of an in vitro model for predicting the effect of food components on calcium availability from meals", INT J F S N, 51(1), 2000, pp. 45-54

Abstract

The availability of calcium from semi-synthetic meals and model food systems was studied by an in vitro method using equilibrium dialysis after simulating gastric digestion. Twelve different food components (phytate, oxalate, wheat fibre- and barley fibre-extract, D-sorbitol, xylitol, galactitol, casein, three different casein phosphopeptide preparations, and lactose) were added to the semi-synthetic meal and their effect on the relative index of availability of Ca-45 was studied. Phytate, oxalate, wheat fibre-extract and barley fibre-extract, and, surprisingly, casein had a negative effect on availability of calcium. The most pronounced effect was observed for the addition of phytate. The other dietary factors had no effect on calcium availability. Therefore, this rapid and inexpensive in vitro model could be a useful screening method for factors affecting calcium absorption, especially inhibitory factors, in future human calcium bioavailability studies.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 09:06:04