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12 Result(s)
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Cristóbal Noé Aguilar
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Book
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Article
Plasma-treated lignocellulosic fibers for polymer reinforcement. A review
Concerns on environmental issues are motivating the development of biodegradable materials and the use of sustainable processes. Among the most abundant biodegradable materials are lignocellulosic fibers, whic...
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Chapter
Tannin Degrading Enzymes: Catalytic Properties and Technological Perspectives
Tannins are an interesting group of natural compounds of a polyphenolic nature that can be found in the plant kingdom, principally in leaves, bark, stems, wood, flowers, fruits, and seeds; they are considered ...
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Article
Tannase Sequence from a Xerophilic Aspergillus niger Strain and Production of the Enzyme in Pichia pastoris
Tannin acyl hydrolases, or tannases (EC 3.1.1.20), are enzymes with potential biotechnological applications. In this work, we describe the gene and amino acid sequences of the tannase from Aspergillus niger GH1. ...
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Article
Microbiological Effect of Fermented Mexican Oregano (Lippia berlandieri Schauer) Waste
The antimicrobial properties of Mexican oregano (Lippia berlandieri Schauer) essential oil have been well documented; but its extraction process generates large amounts of agro-industrial wastes. This material ca...
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Article
Open AccessBiotechnological production of carotenoids by yeasts: an overview
Nowadays, carotenoids are valuable molecules in different industries such as chemical, pharmaceutical, poultry, food and cosmetics. These pigments not only can act as vitamin A precursors, but also they have c...
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Article
Optimization, Modeling, and Online Monitoring of the Enzymatic Extraction of Banana Juice
This article focuses on the optimization, modeling, and online monitoring of banana juice production through an enzymatic method. In order to perform this task, a batch reactor was designed with automatic cont...
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Article
Fungal enhancement of the antioxidant properties of grape waste
The physico-chemical properties of grape waste were characterized to evaluate its potential to support the fungal growth of four Aspergillus and three Penicillium strains under solid-state fermentation (SSF) cond...
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Article
Microbial and enzymatic hydrolysis of tannic acid: influence of substrate chemical quality
Tannic acid is commonly employed as the main component in culture media for the selection of tannase-producing strains. In biotechnological processes it is the favorite substrate used to induce the tannase enz...
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Article
Red pigment production by Penicillium purpurogenum GH2 is influenced by pH and temperature
The combined effects of pH and temperature on red pigment production and fungal morphology were evaluated in a submerged culture of Penicillium purpurogenum GH2, using Czapek-Dox media with d-xylose as a carbon s...
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Article
Effects of polyurethane matrices on fungal tannase and gallic acid production under solid state culture
The influence of the physical structure of polyurethane matrix as a support in a solid state culture in tannase production and gallic acid accumulation by Aspergillus niger Aa-20 was evaluated. Three different po...
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Article
Culture conditions dictate protease and tannase production in submerged and solid-state cultures of Aspergillus niger Aa-20
Undesirable protease production by Aspergillus niger Aa-20 in submerged culture and solid-state culture was evaluated using different concentrations of tannic acid as sole carbon source in a model system designed...
