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Effect of environmental conditions on extracellular lipases production and fungal morphology from Aspergillus niger MYA 135

✍ Scribed by Veronica Leticia Colin; Mario Domingo Baigori; Licia Maria Pera

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
310 KB
Volume
50
Category
Article
ISSN
0233-111X

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✦ Synopsis

Abstract

Under the current assay conditions, lipase production in mineral medium was only detected in the presence of vegetable oils, reaching the highest specific activity with olive oil. In this way, effect of different environmental conditions on fungal morphology and olive oil‐induced extracellular lipases production from Aspergillus niger MYA 135 was studied. It was observed that addition of 1.0 g l^–1^ FeCl~3~to the medium encouraged filamentous growth and increased the specific activity 6.6 fold after 4 days of incubation compared to the control. However, major novelty of this study was the satisfactory production of an acidic lipase at initial pH 3 of the culture medium (1.74 ± 0.06 mU μg^–1^), since its potencial applications in food and pharmaceutical industry are highly promising. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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✍ Verónica Leticia Colin; Mario Domingo Baigorí; Licia María Pera 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 304 KB

## Abstract The potential biotecnological applications of both constitutive and inducible lipase sources from __Aspergillus niger__ MYA 135 were evaluated. To this end, the effect of environmental conditions on mycelium‐bound lipase production from this strain was studied, when cultured either in t