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Titolo:
EFFECT OF SUPPLEMENTARY MICROBIAL PHYTASE TO A MAIZE-SOYA DIET ON THEAVAILABILITY OF CALCIUM, PHOSPHORUS, MAGNESIUM AND ZINC - IN-VITRO DIALYZABILITY IN COMPARISON WITH APPARENT ABSORPTION IN GROWING RATS
Autore:
RIMBACH G; WALTER A; MOST E; PALLAUF J;
Indirizzi:
UNIV GIESSEN,INST ANIM NUTR & NUTR PHYSIOL,SENCKRENBERGSTR 5 D-35390 GIESSEN GERMANY UNIV GIESSEN,INST ANIM NUTR & NUTR PHYSIOL D-35390 GIESSEN GERMANY
Titolo Testata:
Journal of animal physiology and animal nutrition
fascicolo: 4-5, volume: 77, anno: 1997,
pagine: 198 - 206
SICI:
0931-2439(1997)77:4-5<198:EOSMPT>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHYTIC ACID; IRON AVAILABILITY; INVITRO METHOD; YOUNG-RATS; ZN-STATUS; PIGS; BIOAVAILABILITY; PIGLETS; PROTEIN; BARLEY;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
52
Recensione:
Indirizzi per estratti:
Citazione:
G. Rimbach et al., "EFFECT OF SUPPLEMENTARY MICROBIAL PHYTASE TO A MAIZE-SOYA DIET ON THEAVAILABILITY OF CALCIUM, PHOSPHORUS, MAGNESIUM AND ZINC - IN-VITRO DIALYZABILITY IN COMPARISON WITH APPARENT ABSORPTION IN GROWING RATS", Journal of animal physiology and animal nutrition, 77(4-5), 1997, pp. 198-206

Abstract

The effect of increasing levels of microbial phycase (0, 250, 500, 1000, 2000 PU/kg diet) supplemented to a maize-soya diet (5.0 g Ca, 3.0 g P, 1.2 g Mg, 24 mg Zn per kg diet) on the availability of calcium, phosphorus, magnesium and zinc was studied in vitro and in vivo. In vitro availability tests were carried out after simulated peptic and pancreatic digestion using an equilibrium dialysis system. The apparent absorption of calcium, phosphorus, magnesium and zinc was measured in growing albino rats. The supplementation of microbial phytase significantly improved calcium, phosphorus, magnesium and zinc dialysability in vitro. However, the apparent absorption of calcium and magnesium remained unchanged by the phytase supplementation in growing mts. For phosphorus and zinc a significant correlation between in vitro and in vivo data was evident, but the response of microbial phytase to the availability of phosphorus and zinc was higher in vitro than in vivo.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 08:51:39