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Lactic acid : production, properties, and health effects

The development of new materials of natural origin and biodegradable characteristics for many applications is one of the most important challenges for the materials research groups and polymer industry during the next few years. Poly(lactic acid), PLA, is a biodegradable polymer synthesised from lactic acid (LA), which on its side is obtained from renewable resources. The editors have carried out a selection and seemingly have chosen enough of good reviews and unique works in the branch of lactic acid and its properties, polymerisation and final applications of PLA. Apparently, these works are at the front edge of science and will be of interest for high readership of scientists and students in the branch of chemistry and physics of polymers and biopolymers. The editors expect that the readers will be happy with this selection.

Online EBSCO Academic Comprehensive Collection

Lactic acid bacteria

Lactic acid bacteria : biodiversity and taxonomy

"This book provides a much-needed and comprehensive account of the current knowledge of the lactic acid bacteria, covering the taxonomy, biochemistry, physiology and molecular biology of these scientifically and commercially important micro-organisms"--"The lactic acid bacteria (LAB) are a group of related micro-organisms that are enormously important in the food and beverage industries, preventing food spoilage and extending shelf life. This is the first reference that provides a much-needed and comprehensive account of the current knowledge of LAB, detailing the taxonomy, biochemistry, physiology, and molecular biology of these scientifically and commercially important micro-organisms. With chapter coverage of every recognized genus and species, this book will enable researchers to fully exploit the industrial, nutritional, and medical applications of these organisms"--The lactic acid bacteria (LAB) are a group of related micro-organisms that are enormously important in the food and beverage industries. Generally regarded as safe for human consumption (and, in the case of probiotics, positively beneficial to human health), the LAB have been used for centuries, and continue to be used worldwide on an industrial scale, in food fermentation processes, including yoghurt, cheeses, fermented meats and vegetables, where they ferment carbohydrates in the foods, producing lactic acid and creating an environment unsuitable for food spoilage organisms and pathogens to survive. The shelf life of the product is thereby extended, but of course these foods are also enjoyed around the world for their organoleptic qualities. They are also important to the brewing and winemaking industries, where they are often undesirable intruders but can in specific cases have desirable benefits. The LAB are also used in producing silage and other agricultural animal feeds. Clinically, they can improve the digestive health of young animals, and also have human medical applications. This book provides a much-needed and comprehensive account of the current knowledge of the lactic acid bacteria, covering the taxonomy and relevant biochemistry, physiology and molecular biology of these scientifically and commercially important micro-organisms. It is directed to bringing together the current understanding concerning the organisms remarkable diversity within a seemingly rather constrained compass. The genera now identified as proper members of the LAB are treated in dedicated chapters, and the species properly recognized as members of each genus are listed with detailed descriptions of their principal characteristics. Each genus and species is described using a standardized format, and the relative importance of each species in food, agricultural and medical applications is assessed. In addition, certain other bacterial groups (such as Bifidobacterium) often associated with the LAB are given in-depth coverage. The book will also contribute to a better understanding and appreciation of the role of LAB in the various ecological ecosystems and niches that they occupy. In summary, this volume gathers together information designed to enable the organisms fullest industrial, nutritional and medical applications. Lactic Acid Bacteria: Biodiversity and Taxonomy is an essential reference for research scientists, biochemists and microbiologists working in the food and fermentation industries and in research institutions. Advanced students of food science and technology will also find it an indispensable guide to the subject.

Online Wiley Online Library