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Marine Microorganisms

Author: Leo M.L. Nollet
Publisher: CRC Press
ISBN: 1315354551
Size: 38.80 MB
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The marine environment covers 70% of the earth’s surface and accounts for 98% of the potentially habitable space. The bioactives from marine microorganisms include antibiotic compounds, polysaccharides, inhibitors, enzymes, peptides, and pigments. These are used in various fields of biology that range from nutraceuticals to cosmeceuticals. Recent scientific investigations have revealed that marine microbial compounds exhibit various beneficial biological effects, such as anti-inflammatory, anti-cancer, anti-HIV, anti-hypertensive, and anti-diabetic. Marine Microorganisms: Extraction and Analysis of Bioactive Compounds sheds light on the extraction, clean-up, and detection methods of major compounds from marine organisms. The book includes information on the different classes of marine microorganisms and the different bioactives that can be extracted from bacteria, fungi and microalgae. Divided into 7 chapters, the book covers bioactive marine natural products, such as marine microbes, seaweeds, and marine sponges as potential sources of drug discovery, and focuses on analysis methods of the biocomponents from marine microorganisms. A useful reference tool for researchers and students, this book provides current knowledge about isolation and analysis methods of the bioactives and provides insight into the various bioactives of marine microbes toward nutraceutical and pharmaceutical development.

Hyperspectral Imaging Analysis And Applications For Food Quality

Author: N.C. Basantia
Publisher: CRC Press
ISBN: 1351805940
Size: 14.23 MB
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In processing food, hyperspectral imaging, combined with intelligent software, enables digital sorters (or optical sorters) to identify and remove defects and foreign material that are invisible to traditional camera and laser sorters. Hyperspectral Imaging Analysis and Applications for Food Quality explores the theoretical and practical issues associated with the development, analysis, and application of essential image processing algorithms in order to exploit hyperspectral imaging for food quality evaluations. It outlines strategies and essential image processing routines that are necessary for making the appropriate decision during detection, classification, identification, quantification, and/or prediction processes. Features Covers practical issues associated with the development, analysis, and application of essential image processing for food quality applications Surveys the breadth of different image processing approaches adopted over the years in attempting to implement hyperspectral imaging for food quality monitoring Explains the working principles of hyperspectral systems as well as the basic concept and structure of hyperspectral data Describes the different approaches used during image acquisition, data collection, and visualization The book is divided into three sections. Section I discusses the fundamentals of Imaging Systems: How can hyperspectral image cube acquisition be optimized? Also, two chapters deal with image segmentation, data extraction, and treatment. Seven chapters comprise Section II, which deals with Chemometrics. One explains the fundamentals of multivariate analysis and techniques while in six other chapters the reader will find information on and applications of a number of chemometric techniques: principal component analysis, partial least squares analysis, linear discriminant model, support vector machines, decision trees, and artificial neural networks. In the last section, Applications, numerous examples are given of applications of hyperspectral imaging systems in fish, meat, fruits, vegetables, medicinal herbs, dairy products, beverages, and food additives.

Ambient Mass Spectroscopy Techniques In Food And The Environment

Author: Leo M.L. Nollet
Publisher: CRC Press
ISBN: 135137849X
Size: 63.62 MB
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Ambient mass spectrometry—that is the use of mass spec but in the atmospheric environment—has been widely employed in food and environmental analysis. Ambient Mass Spectroscopy Techniques in Food and the Environment presents the theoretical underpinnings of mass spectrometry, and the benefits and pitfalls of ambient mass spectrometry, as well as the latest developments of the technique, in the analysis of food and environmental parameters. It describes methods that enable the detection of surface materials like waxes, alkaloids, flavors, or pesticides by plainly exposing the corresponding items to the ionization region of the interface, without harm to samples. Features: Explains the theoretical aspects of ambient mass spectrometry Describes how to use ambient MS techniques for food safety, authenticity, and traceability screening Lists the benefits of ambient MS in analysis of food and environmental parameters Covers recent developments of ambient MS in analysis of food and environmental parameters The specialized work provides insight to professionals practicing in food and the environment, including food scientists, food engineers, food biotechnologists, chemical engineers, and those working in research labs, universities, and government regulatory agencies.

Spectroscopic Methods In Food Analysis

Author: Adriana S. Franca
Publisher: CRC Press
ISBN: 1498754643
Size: 16.42 MB
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Given the inherent complexity of food products, most instrumental techniques employed for quality and authenticity evaluation (e.g., chromatographic methods) are time demanding, expensive, and involve a considerable amount of manual labor. Therefore, there has been an increasing interest in simpler, faster, and reliable analytical methods for assessing food quality attributes. Spectroscopic Methods in Food Analysis presents the basic concepts of spectroscopic methods, together with a discussion on the most important applications in food analysis. The determination of product quality and authenticity and the detection of adulteration are major issues in the food industry, causing concern among consumers and special attention among food manufacturers. As such, this book explains why spectroscopic methods have been extensively employed to the analysis of food products as they often require minimal or no sample preparation, provide rapid and on-line analysis, and have the potential to run multiple tests on a single sample (i.e., non-destructive). This book consists of concepts related to food quality and authenticity, that are quite broad, given the different demands of the manufacturer, the consumer, the surveillance and the legislative bodies that ultimately provide healthy and safe products.

Phenolic Compounds In Food

Author: Leo M.L. Nollet
Publisher: CRC Press
ISBN: 1351646478
Size: 20.66 MB
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Phenolic compounds, one of the most widely distributed groups of secondary metabolites in plants, have received a lot of attention in the last few years since the consumption of vegetables and beverages with a high level of such compounds may reduce risks of the development of several diseases. This is partially due to their antioxidant power since other interactions with cell functions have been discovered. What’s more, phenolic compounds are involved in many functions in plants, such as sensorial properties, structure, pollination, resistance to pests and predators, germination, processes of seed, development, and reproduction. Phenolic compounds can be classified in different ways, ranging from simple molecules to highly polymerized compounds. Phenolic Compounds in Food: Characterization and Analysis deals with all aspects of phenolic compounds in food. In five sections, the 21 chapters of this book address the classification and occurrence of phenolic compounds in nature and foodstuffs; discuss all major aspects of analysis of phenolic compounds in foods, such as extraction, clean-up, separation, and detection; detail specific analysis methods of a number of classes of phenolic compounds, from simple molecules to complex compounds; describe the antioxidant power of phenolic compounds; and discuss specific analysis methods in different foodstuffs.

Multiresidue Methods For The Analysis Of Pesticide Residues In Food

Author: Horacio Heinzen
Publisher: CRC Press
ISBN: 1351644637
Size: 17.15 MB
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In the last decades the public concern on the pesticide residues content in foods have been steadily rising. The global development of food trade implies that aliments from everywhere in the world can reach the consumer`s table. Therefore, the identification of agricultural practices that employ different pesticides combinations and application rates to protect produce must be characterized, as they left residues that could be noxious to human health. However, the possible number of pesticides (and its metabolites of toxicological relevance) to be found in a specific commodity is almost 1500, and the time needed to analyze them one by one, makes this analytical strategy a unrealistic task. To overcome this problem, the concept of Multi Residue Methods (MRM) for the analysis of pesticide traces have been developed. The advent of new and highly sensitive instrumentation, based in hyphenatedchromatographic systems to coupled mass analyzers (XC (MS/MS) or MSn) permitted simultaneously the identification and the determination of up to hundreds of pesticide residues in a single chromatographic run. Multiresidue Methods for the Analysis of Pesticide Residues in Food presents the analytical procedures developed in the literature, as well as those currently employed in the most advanced laboratories that perform routinely Pesticide Residue Analysis in foods. In addition to these points, the regulations, guidelines and recommendations from the most important regulatory agencies of the world on the topic will be commented and contrasted.

Marine Algae Extracts 2 Volume Set

Author: Se-Kwon Kim
Publisher: John Wiley & Sons
ISBN: 3527679596
Size: 47.65 MB
Format: PDF, ePub, Docs
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Designed as the primary reference for the biotechnological use of macroalgae, this comprehensive handbook covers the entire value chain from the cultivation of algal biomass to harvesting and processing it, to product extraction and formulation. In addition to covering a wide range of product classes, from polysaccharides to terpenes and from enyzmes to biofuels, it systematically discusses current and future applications of algae-derived products in pharmacology, medicine, cosmetics, food and agriculture. In doing so, it brings together the expertise of marine researchers, biotechnologists and process engineers for a one-stop resource on the biotechnology of marine macroalgae.

Lebensmittelphysik

Author: L.O. Figura
Publisher: Springer-Verlag
ISBN: 3540349901
Size: 79.49 MB
Format: PDF
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Die Lebensmittelphysik befasst sich mit den physikalischen Eigenschaften der Lebensmittel und deren Erfassung. Die physikalischen Eigenschaften von Lebensmitteln spielen überall dort eine wesentliche Rolle, wo moderne lebensmitteltechnologische Verfahren für die Gewinnung der Rohstoffe oder die Herstellung eines Lebensmittels angewandt werden. Die Bestimmung physikalischer Größen von Lebensmitteln und Bedarfsgegenständen sind aus der Planung, Steuerung und Automatisierung der Herstellungsprozesse in der Lebensmittel-, Pharma- und Kosmetikindustrie und angrenzenden Bereichen nicht mehr wegzudenken. Neben der chemischen Qualitätskontrolle spielt die Bestimmung physikalischer Eigenschaften darüber hinaus eine wichtige Rolle bei der Bestimmung und Sicherung der Qualität unserer Lebensmittel. Der Konsument fordert zunehmend "weniger Chemie" in der Lebensmittelproduktion und große Bereiche der Lebensmittelindustrie werden diesen Wünschen in steigendem Maße entgegenkommen müssen, indem sie moderne physikalische Verfahren in der Produktion einsetzen. Auch hierfür ist ein grundlegendes Verständnis der physikalischen Eigenschaften von Lebensmitteln und den Möglichkeiten und Grenzen ihrer messtechnischen Erfassung eine unabdingbare Voraussetzung. Dieses Buch beschreibt die Lebensmittelphysik von Grund auf und orientiert sich hierbei ausschließlich an den Erfordernissen der Lebensmittelpraxis, ohne auf die wichtigen Grundlagen zu verzichten. Das Buch ist daher für Studenten der Lebensmittelchemie und -technologie an Universitäten und Fachhochschulen eine wichtige Quelle für die zukünftige Ausbildung. Auch Ingenieure, Technologen und Techniker in der Lebensmittelindustrie werden dieses Buch benutzen, um ihre Kenntnisse zu vertiefen oder grundlegendes Verständnis für neue physikalische Verfahren zu erwerben.