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Performance of Seven Commercial Phytases in an in Vitro Simulation of Poultry Digestive Tract

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Performance of Seven Commercial Phytases in an in Vitro Simulation of Poultry Digestive Tract. / Menezes-Blackburn, Daniel; Gabler, Stefanie; Greiner, Ralf.

In: Journal of Agricultural and Food Chemistry, Vol. 63, No. 27, 15.07.2015, p. 6142-6149.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Menezes-Blackburn, D, Gabler, S & Greiner, R 2015, 'Performance of Seven Commercial Phytases in an in Vitro Simulation of Poultry Digestive Tract', Journal of Agricultural and Food Chemistry, vol. 63, no. 27, pp. 6142-6149. https://doi.org/10.1021/acs.jafc.5b01996

APA

Vancouver

Author

Menezes-Blackburn, Daniel ; Gabler, Stefanie ; Greiner, Ralf. / Performance of Seven Commercial Phytases in an in Vitro Simulation of Poultry Digestive Tract. In: Journal of Agricultural and Food Chemistry. 2015 ; Vol. 63, No. 27. pp. 6142-6149.

Bibtex

@article{ec4a7fdb93014e6da66838868ed15fb2,
title = "Performance of Seven Commercial Phytases in an in Vitro Simulation of Poultry Digestive Tract",
abstract = "The aim of,this study was to compare the biochemical, properties of seven commercially, available phytase products as well as their catalytic performance in an in vitro simulation of the digestive tract of poultry. Their enzymatic properties relevant with respect to phytate dephosphorylation in the digestive tract of birds were determined under identical assay conditions. All phytase-products included in the study showed an acid pH optimum of activity and were capable of releasing the organically bound phosphate from phytate during the in vitro simulation. However, their overall biochemical properties and relative catalytic performances were remarkably different The in vitro degradation system was considered as a simple and useful tool to evaluate the suitability of a phytase to be used as a feed supplement. Although relevant factors such as dietary P levels, intestinal phytase, and P absorption ate not implemented in the system, this approach might help to reduce the number of feeding trials necessary in the, search for a better Suited phytase for animal feeding application.",
keywords = "in vitro degradation system, phytase, phytate dephosphorylation, PHOSPHORUS AVAILABILITY, MICROBIAL ORIGINS, ESCHERICHIA-COLI, PENIOPHORA-LYCII, PURIFICATION, PHOSPHATE, APPA, PHYA",
author = "Daniel Menezes-Blackburn and Stefanie Gabler and Ralf Greiner",
year = "2015",
month = jul,
day = "15",
doi = "10.1021/acs.jafc.5b01996",
language = "English",
volume = "63",
pages = "6142--6149",
journal = "Journal of Agricultural and Food Chemistry",
issn = "0021-8561",
publisher = "American Chemical Society",
number = "27",

}

RIS

TY - JOUR

T1 - Performance of Seven Commercial Phytases in an in Vitro Simulation of Poultry Digestive Tract

AU - Menezes-Blackburn, Daniel

AU - Gabler, Stefanie

AU - Greiner, Ralf

PY - 2015/7/15

Y1 - 2015/7/15

N2 - The aim of,this study was to compare the biochemical, properties of seven commercially, available phytase products as well as their catalytic performance in an in vitro simulation of the digestive tract of poultry. Their enzymatic properties relevant with respect to phytate dephosphorylation in the digestive tract of birds were determined under identical assay conditions. All phytase-products included in the study showed an acid pH optimum of activity and were capable of releasing the organically bound phosphate from phytate during the in vitro simulation. However, their overall biochemical properties and relative catalytic performances were remarkably different The in vitro degradation system was considered as a simple and useful tool to evaluate the suitability of a phytase to be used as a feed supplement. Although relevant factors such as dietary P levels, intestinal phytase, and P absorption ate not implemented in the system, this approach might help to reduce the number of feeding trials necessary in the, search for a better Suited phytase for animal feeding application.

AB - The aim of,this study was to compare the biochemical, properties of seven commercially, available phytase products as well as their catalytic performance in an in vitro simulation of the digestive tract of poultry. Their enzymatic properties relevant with respect to phytate dephosphorylation in the digestive tract of birds were determined under identical assay conditions. All phytase-products included in the study showed an acid pH optimum of activity and were capable of releasing the organically bound phosphate from phytate during the in vitro simulation. However, their overall biochemical properties and relative catalytic performances were remarkably different The in vitro degradation system was considered as a simple and useful tool to evaluate the suitability of a phytase to be used as a feed supplement. Although relevant factors such as dietary P levels, intestinal phytase, and P absorption ate not implemented in the system, this approach might help to reduce the number of feeding trials necessary in the, search for a better Suited phytase for animal feeding application.

KW - in vitro degradation system

KW - phytase

KW - phytate dephosphorylation

KW - PHOSPHORUS AVAILABILITY

KW - MICROBIAL ORIGINS

KW - ESCHERICHIA-COLI

KW - PENIOPHORA-LYCII

KW - PURIFICATION

KW - PHOSPHATE

KW - APPA

KW - PHYA

U2 - 10.1021/acs.jafc.5b01996

DO - 10.1021/acs.jafc.5b01996

M3 - Journal article

VL - 63

SP - 6142

EP - 6149

JO - Journal of Agricultural and Food Chemistry

JF - Journal of Agricultural and Food Chemistry

SN - 0021-8561

IS - 27

ER -