Polygalacturonase production by Aspergillus awamori on wheat in solid-state fermentation

Abstract. The production of exo-polygalacturonase (exo-PG) and endo-PG by Aspergillus awamori grown on wheat in solid-state fermentation was studied. Endo- and exo-PG activities were detected after 24 h of inoculation. Glucose released from starch hydrolysis acted as a catabolite repressor for the e...
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Autor*in:	Blandino, A. [verfasserIn] Iqbalsyah, T. Pandiella, S. Cantero, D. Webb, C.

Format:	Artikel
Sprache:	Englisch

Erschienen:	2002

Schlagwörter:	Glucose Enzyme Hydrolysis Fermentation Starch

Anmerkung:	© Springer-Verlag 2001

Übergeordnetes Werk:	Enthalten in: Applied microbiology and biotechnology - Springer-Verlag, 1984, 58(2002), 2 vom: Jan., Seite 164-169
Übergeordnetes Werk:	volume:58 ; year:2002 ; number:2 ; month:01 ; pages:164-169

Links:	Volltext

DOI / URN:	10.1007/s00253-001-0893-4

Katalog-ID:	OLC2050693184

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author	Blandino, A.
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topic_title	570 VZ 12 ssgn BIODIV DE-30 fid Polygalacturonase production by Aspergillus awamori on wheat in solid-state fermentation Glucose Enzyme Hydrolysis Fermentation Starch
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title	Polygalacturonase production by Aspergillus awamori on wheat in solid-state fermentation
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title_full	Polygalacturonase production by Aspergillus awamori on wheat in solid-state fermentation
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title_sort	polygalacturonase production by aspergillus awamori on wheat in solid-state fermentation
title_auth	Polygalacturonase production by Aspergillus awamori on wheat in solid-state fermentation
abstract	Abstract. The production of exo-polygalacturonase (exo-PG) and endo-PG by Aspergillus awamori grown on wheat in solid-state fermentation was studied. Endo- and exo-PG activities were detected after 24 h of inoculation. Glucose released from starch hydrolysis acted as a catabolite repressor for the exo-PG enzyme. In contrast, endo-PG production was not affected by glucose repression. When milled grains were used, the particle-size distribution and the chemical composition of the medium influenced the rate of micro-organism growth and therefore the trend followed by endo- and exo-PG production. However, these two parameters did not affect the maximum production of exo-PG and endo-PG. For one of the milled samples, three different moisture contents were used (50, 55, 60%). Moisture contents of 60% provide a higher yield of pectinases by A. awamori. © Springer-Verlag 2001
abstractGer	Abstract. The production of exo-polygalacturonase (exo-PG) and endo-PG by Aspergillus awamori grown on wheat in solid-state fermentation was studied. Endo- and exo-PG activities were detected after 24 h of inoculation. Glucose released from starch hydrolysis acted as a catabolite repressor for the exo-PG enzyme. In contrast, endo-PG production was not affected by glucose repression. When milled grains were used, the particle-size distribution and the chemical composition of the medium influenced the rate of micro-organism growth and therefore the trend followed by endo- and exo-PG production. However, these two parameters did not affect the maximum production of exo-PG and endo-PG. For one of the milled samples, three different moisture contents were used (50, 55, 60%). Moisture contents of 60% provide a higher yield of pectinases by A. awamori. © Springer-Verlag 2001
abstract_unstemmed	Abstract. The production of exo-polygalacturonase (exo-PG) and endo-PG by Aspergillus awamori grown on wheat in solid-state fermentation was studied. Endo- and exo-PG activities were detected after 24 h of inoculation. Glucose released from starch hydrolysis acted as a catabolite repressor for the exo-PG enzyme. In contrast, endo-PG production was not affected by glucose repression. When milled grains were used, the particle-size distribution and the chemical composition of the medium influenced the rate of micro-organism growth and therefore the trend followed by endo- and exo-PG production. However, these two parameters did not affect the maximum production of exo-PG and endo-PG. For one of the milled samples, three different moisture contents were used (50, 55, 60%). Moisture contents of 60% provide a higher yield of pectinases by A. awamori. © Springer-Verlag 2001
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title_short	Polygalacturonase production by Aspergillus awamori on wheat in solid-state fermentation
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