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Book
Enological Repercussions of Non-Saccharomyces Species
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ISBN: 3039215590 3039215582 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

From the beginning of this century, non-Saccharomyces yeasts have taken increased relevance in wine processing. Several biotechnological companies now produce non-Saccharomyces yeasts at an industrial level to improve aroma or flavor, stabilize wine, produce biological acidification, or conversely metabolize malic acid. Species like Torulaspora delbrueckii, Metschnikowia pulcherrima, Kloeckera apiculata, Lachancea thermotolerans, Schizosaccharomyces pombe, and several others are common due to the technological applications they have in sensory quality but also in wine ageing and stabilization. Moreover, spoilage non-Saccharomyces yeasts like Brettanomyces bruxellensis, Saccharomycodes ludwigii, and Zygosacharomyces bailii are becoming important because of the alterations they are able to produce in high-quality wines. New strategies to control these defective yeasts have been developed to control them without affecting sensory quality. The knowledge of the physiology, ecology, biochemistry, and metabolomics of these yeasts can help to better use them in controlling traditional problems such as low fermentative power, excessive volatile acidity, low implantation under enological conditions, and sensibility to antimicrobial compounds like sulfites traditionally used in wine processing. This Special Issue intends to compile current research and revised information on non-Saccharomyces yeasts with enological applications to facilitate the use and the understanding of this biotechnological tool. In 1 year this SI has globally more than 15kdownloads and produced more than 30 citations.


Book
Applied Biocatalysis in Europe: A Sustainable Tool for Improving Life Quality
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Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Applied biocatalysis and biotransformation, that is, the use of enzymes and whole-cell systems in manufacturing processes for synthetic purposes, has been experiencing a clear boom in recent years, which has led to the start of the so-called “fourth wave”. In fact, the latest advances in bioinformatics, system biology, process intensification, and, in particular, enzyme-directed evolution (encouraged by the 2018 Nobel Prize awarded to F. Arnold), are widening the range of the efficacy of biocatalysts and accelerating the rate at which new enzymes are becoming available, even for activities not previously known. European scientists have been very actively involved in different aspects of this field. Nine contributions dealing with different aspects of applied biocatalysis developed by European researchers are gathered in this Special Issue


Book
Enological Repercussions of Non-Saccharomyces Species 2.0
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Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The use of non-Saccharomyces yeast species is currently a biotechnology trend in enology for which they are being broadly used to improve the sensory profile of wines because they affect aroma, color, and mouthfeel. They have become a powerful biotool to modulate the influence of global warming on grape varieties, helping to maintain the acidity, decrease the alcoholic degree, stabilize wine color, and increase freshness. In cool climates, some non-Saccharomyces can promote demalication or color stability by the formation of stable derived pigments. Additionally, non-Saccharomyces yeasts open new possibilities in biocontrol for removing spoilage yeast and bacteria or molds that can produce and release mycotoxins and, thereby, help in reducing applied SO2 levels.


Book
Promising Detoxification Strategies to Mitigate Mycotoxins in Food and Feed
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ISBN: 3038970271 303897028X Year: 2018 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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This book is a printed edition of the Special Issue Promising Detoxification Strategies to Mitigate Mycotoxins in Food and Feed that was published in Toxins

Keywords

Trichoderma --- n/a --- photodegradation product --- physical decontamination --- growth performance --- toxigenic Fusarium --- curcumin --- mitigation --- Aspergillus flavus --- food and beverage --- ascladiol --- biological control --- antioxidant capability --- trichothecene --- bioprospecting --- turkey --- processing --- chicks --- Sporobolomyces sp. IAM 13481 --- mycotoxins --- epimer --- Tri101 --- enzymes --- neutral electrolyzed water --- antioxidant function --- purification --- ameliorating effects --- aflatoxin-degrading enzyme --- chemical decontamination --- desoxypatulinic acid --- furan rings --- maize --- atmospheric pressure --- biotransformation --- estrogen receptor (ER) --- oxidative stress --- decontamination --- Bacillus shackletonii --- hyssop --- DBD --- degradation --- TQEF-MS/MS --- CYP450 --- enzymatic detoxification --- low temperature plasma --- Fusarium --- AFBO–DNA --- modified mycotoxin --- Bacillus subtilis ANSB060 --- polarity --- thermal treatment --- serum hormones --- mycotoxins mitigation --- mycotoxin --- zearalenone (ZEA) --- cell viability --- detoxification --- patulin --- biodegradation --- interactions --- intracellular and extracellular enzymes --- Bacillus licheniformis CK1 --- deoxynivalenol --- aflatoxins --- aflatoxin B1 --- biological decontamination --- Corylus avellana --- molecular --- Pichia caribbica --- mild technologies --- microbial patulin degradation --- enzyme --- proteomics --- fatty acids --- spores of Ganoderma lucidum --- inhibition --- residue --- food safety --- cold atmospheric pressure plasma technology --- application --- post-weaning female piglets --- laccase --- aflatoxin biodegradation preparation --- Aflatoxin B1 --- microorganism identification --- AFBO-DNA


Book
Modern Technologies and Their Influence in Fermentation Quality
Author:
ISBN: 3039289489 3039289470 Year: 2020 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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During the last few years, industrial fermentation technologies have advanced in order to improve the quality of the final product. Some examples of those modern technologies are the biotechnology developments of microbial materials, such as Saccharomyces and non-Saccharomyces yeasts or lactic bacteria from different genera. Other technologies are related to the use of additives and adjuvants, such as nutrients, enzymes, fining agents, or preservatives and their management, which directly influence the quality and reduce the risks in final fermentation products. Other technologies are based on the management of thermal treatments, filtrations, pressure applications, ultrasounds, UV, and so on, which have also led to improvements in fermentation quality in recent years. The aim of the issue is to study new technologies able to improve the quality parameters of fermentation products, such as aroma, color, turbidity, acidity, or any other parameters related to improving sensory perception by the consumers. Food safety parameters are also included.

Keywords

low-ethanol wines --- wine-related fungi --- non-Saccharomyces --- yeasts --- narince --- wine quality --- tryptophol --- low ethanol wine --- serotonin --- non-conventional yeasts --- Bombino bianco --- Schizosaccharomyces pombe --- volatile compounds --- ethyl carbamate --- phthalates --- autochthonous --- meta-taxonomic analysis --- Pichia kluyveri --- pH control --- IAA --- Torulaspora delbrueckii --- chemical analyses --- aroma profile --- yeast --- enzymatic patterns --- wine flavor --- fermentation --- must replacement --- Saccharomyces cerevisiae --- malolactic fermentation --- wine --- HACCP --- food quality --- sequential inoculation --- alcoholic beverages --- itaconic acid --- biocontrol application --- white wine --- hydroxytyrosol --- tryptophan --- glucose --- kinetic analysis --- wine aroma --- amino acid decarboxylation --- lactic acid bacteria --- vineyard soil --- wine color --- tyrosol --- Saccharomyces --- Gompertz-model --- sequential culture --- biogenic amines --- SO2 reduction --- climate change --- Vineyard Microbiota --- A. terreus --- sulfur dioxide --- human health-promoting compounds --- Hanseniaspora guilliermondii --- non-Saccharomyces screening --- aromatic/sensorial profiles --- Malvar (Vitis vinifera L. cv.) --- probiotics --- Yeasts --- native yeast --- color --- glutathione --- hot pre-fermentative maceration --- technological characterization --- wine-related bacteria --- Riesling --- Torulaspora microellipsoides --- Lachancea thermotolerans --- Metschnikowia pulcherrima --- cashew apple juice --- resveratrol --- biocontrol --- shiraz --- Tannat --- ochratoxin A --- aroma compound --- trehalose --- wine composition --- Hanseniaspora uvarum yeast --- food safety --- acidity --- sensory evaluation --- viticulture --- melatonin --- alcoholic fermentation --- aroma


Book
Yeast Biotechnology 3.0
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Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Yeasts are truly fascinating microorganisms. Due to their diverse and dynamic activities, they have been used for the production of many interesting products, such as beer, wine, bread, biofuels and biopharmaceuticals. Saccharomyces cerevisiae (bakers’ yeast) is the yeast species that is surely the most exploited by man. Saccharomyces is a top choice organism for industrial applications, although its use for producing beer dates back to at least the 6th millennium BC. Bakers’ yeast has been a cornerstone of modern biotechnology, enabling the development of efficient production processes for antibiotics, biopharmaceuticals, technical enzymes, and ethanol and biofuels. Today, diverse yeast species are explored for industrial applications, such as e.g. Saccharomyces species, Pichia pastoris and other Pichia species, Kluyveromyces marxianus, Hansenula polymorpha, Yarrowia lipolytica, Candida species, Phaffia rhodozyma, wild yeasts for beer brewing, etc. This Special Issue is focused on recent developments of yeast biotechnology with topics including recent techniques for characterizing yeast and their physiology (including omics and nanobiotechnology techniques), methods to adapt industrial strains (including metabolic, synthetic and evolutionary engineering) and the use of yeasts as microbial cell factories to produce biopharmaceuticals, enzymes, alcohols, organic acids, flavours and fine chemicals, and advances in yeast fermentation technology and industrial fermentation processes.

Keywords

coffee processing --- coffee fermentation --- starter culture --- coffee beverage --- yeast --- Icewine --- Saccharomyces cerevisiae --- hyperosmotic stress --- CRISPR-Cas9 --- glycerol transport --- STL1 --- brewing --- Cyberlindnera --- NABLAB --- non-alcoholic beer --- non-conventional yeast --- non-Saccharomyces yeast --- response surface methodology --- Ustilago --- itaconic acid --- process improvement --- lignocellulosic feedstock --- yeasts --- grape --- federweisser --- wine --- microbiota identification --- MALDI-TOF MS Biotyper --- Torulaspora delbrueckii --- craft beer --- microbrewery plant --- mixed fermentation --- aroma profile --- strain collection --- aroma profiling --- gas chromatography --- wine yeast --- Saccharomyces --- fermentation --- volatile aroma compounds --- Simultaneous inoculation --- Alcoholic fermentation --- Malolactic fermentation --- Sacccharomyces cerevisiae --- Oenococcus oeni --- PN4TM --- OmegaTM --- Aroma profile --- antioxidant --- coffee --- W. anomalus --- industrial brewer’s strains --- adaptive laboratory evolution (ALE) --- snowflake phenotype --- beer fermentation --- wine yeasts --- lactic acid bacteria --- co-inoculation --- sequence inoculation --- flavor compounds --- color pigments --- cell printing --- piezoelectric dispensing --- GFP-tagged yeast clone collection --- living cell microarrays --- microfluidic chip --- dynamic single-cell analysis --- Candida albicans --- adhesion --- fibronectin --- nanomotion --- atomic force microscope (AFM) --- xylose metabolism --- genetic engineering --- biofuel --- Spathaspora passalidarum --- Pichia stipitis --- volatile organic compounds --- proton-transfer reaction-mass spectrometry --- Metschnikowia pulcherrima --- flavor --- non-Saccharomyces yeasts --- fermentation-derived products --- fermented beverages --- beer --- coffee bean fermentation --- itaconic acid production --- bioethanol production --- bioreactors --- yeast micro- and nanobiotechnology

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