Fingerprints of Anthocyanins and Flavonols in Wild Grapes (Vitis Vinifera L. Ssp. Sylvestris (Gmelin) Hegi) PDF Download
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Author: Eugenio Revilla
Publisher:
ISBN:
Category : Technology
Languages : en
Pages :
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Book Description
Phenolic compounds are a group of natural products that play an important role in the quality of wines. Most phenolic compounds present in wine are derived from those contained in grapes and extracted from skins, seeds, and pulp during the initial steps of winemaking. Among them, anthocyanins and flavonols are involved in the colour of red wines as pigments or copigments and also as precursors of polymeric pigments after reaction with other phenols. Biosynthesis of those phenolics in grapes is regulated by different genes; thus, each grape genotype presents a characteristic phenolic fingerprint, which is modulated by different environmental conditions. In this chapter, the anthocyanins and flavonols composition of different genotypes of wild grapes preserved at El Encin Germplasm Bank has been examined in detail. Wild grapevines are a remarkable genetic resource that may be used in breeding programs to improve the phenolic composition of cultivated grapes and, hence, the quality of red wines.
Author: Eugenio Revilla
Publisher:
ISBN:
Category : Technology
Languages : en
Pages :
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Book Description
Phenolic compounds are a group of natural products that play an important role in the quality of wines. Most phenolic compounds present in wine are derived from those contained in grapes and extracted from skins, seeds, and pulp during the initial steps of winemaking. Among them, anthocyanins and flavonols are involved in the colour of red wines as pigments or copigments and also as precursors of polymeric pigments after reaction with other phenols. Biosynthesis of those phenolics in grapes is regulated by different genes; thus, each grape genotype presents a characteristic phenolic fingerprint, which is modulated by different environmental conditions. In this chapter, the anthocyanins and flavonols composition of different genotypes of wild grapes preserved at El Encin Germplasm Bank has been examined in detail. Wild grapevines are a remarkable genetic resource that may be used in breeding programs to improve the phenolic composition of cultivated grapes and, hence, the quality of red wines.
Author: António M. Jordão
Publisher: BoD – Books on Demand
ISBN: 9535138332
Category : Technology & Engineering
Languages : en
Pages : 386
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Book Description
The book "Grapes and Wines: Advances in Production, Processing, Analysis, and Valorization" intends to provide to the reader a comprehensive overview of the current state-of-the-art and different perspectives regarding the most recent knowledge related to grape and wine production. Thus, this book is composed of three different general sections: (1) Viticulture and Environmental Conditions, (2) Wine Production and Characterization, and (3) Economic Analysis and Valorization of Wine Products. Inside these 3 general sections, 16 different chapters provide current research on different topics of recent advances on production, processing, analysis, and valorization of grapes and wines. All chapters are written by a group of international researchers, in order to provide up-to-date reviews, overviews, and summaries of current research on the different dimensions of grape and wine production. This book is not only intended for technicians actively engaged in the field but also for students attending technical schools and/or universities and other professionals that might be interested in reading and learning about some fascinating areas of grape and wine research.
Author: Andrew G. Reynolds
Publisher: Elsevier
ISBN: 1782420800
Category : Technology & Engineering
Languages : en
Pages : 467
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Book Description
Grapevine Breeding Programs for the Wine Industry: Traditional and Molecular Techniques summarizes recent trends in grapevine breeding, both in terms of research and practical programs. The first group of chapters covers the challenges faced by breeders and existing and emerging techniques used to combat them. Two further groups of chapters focus on grapevine breeding programs in different wine-producing countries around the world. With authoritative contributions from experts across the world's winemaking regions, this book will be an essential reference for all those involved in viticulture and oeneology wanting to explore new methods, understand different approaches and refine existing practices. - Covers challenges faced by breeders - Highlights grapevine breeding programs in different wine-producing countries - Contributions from experts across the world's winemaking regions
Author: Hernâni Gerós
Publisher: Bentham Science Publishers
ISBN: 1608053601
Category : Science
Languages : en
Pages : 304
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Book Description
"Grapes (Vitis spp.) are economically significant fruit species. Many scientific advances have been achieved in understanding physiological, biochemical, and molecular aspects of grape berry maturation. Some of these advances have led to the improvement of"
Author: Antonio Morata
Publisher: BoD – Books on Demand
ISBN: 1789846129
Category : Technology & Engineering
Languages : en
Pages : 298
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Book Description
Advances in Grape and Wine Biotechnology is a collection of fifteen chapters that addresses different issues related to the technological and biotechnological management of vineyards and winemaking. It focuses on recent advances in the field of viticulture with interesting topics such as the development of a microvine model for research purposes, the mechanisms of cultivar adaptation and evolution in a climate change scenario, and the consequences of vine water deficit on yield components. Other topics include the metabolic profiling of different Saccharomyces and non-Saccharomyces yeast species and their contribution in modulating the sensory quality of wines produced in warm regions, the use of new natural and sustainable fining agents, and available physical methods to reduce alcohol content. This volume will be of great interest to researchers and vine or wine professionals.
Author: Monique Simmonds
Publisher: Academic Press
ISBN: 0124080642
Category : Technology & Engineering
Languages : en
Pages : 798
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Book Description
Nutritional Composition of Fruit Cultivars provides readers with the latest information on the health related properties of foods, making the documentation of the nutritive value of historical cultivars especially urgent, especially before they are lost and can't be effectively compared to modern cultivars. Because there is considerable diversity and a substantial body of the compositional studies directed towards commercial varieties, this information is useful for identifying traits and features that may be transposed from one variety to another. In addition, compositional and sensory features may also be used for commercialization and to characterize adulteration. Detailed characterization of cultivars can be used to identify "super-foods". Alternatively, unmasked historical cultivars may be the focus of reinvigorated commercial practices. Each chapter in this book has sections on the botanical aspects, the composition of traditional or ancient cultivars, the composition of modern cultivars, a focus on areas of research, the specialty of the communicating author of each chapter, and summary points. Presents the botanical aspects and composition of both traditional and modern plants, including in-depth insight into current research, and overall summary points for each fruit for consistent comparison and ease of reference Provides important information in the consideration of preservation, transference, or re-introduction of historical/traditional cultivars into current crop science Provides details on compositional and sensory parameters, from aroma and taste to micro- and macronutrients Includes data on nutraceuticals and novel components that have proven to impact on, or be important in, food quality, storage, processing, storage, and marketing
Author: Bishnu Pal
Publisher: BoD – Books on Demand
ISBN: 9537619826
Category : Technology & Engineering
Languages : en
Pages : 694
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Book Description
As the editor, I feel extremely happy to present to the readers such a rich collection of chapters authored/co-authored by a large number of experts from around the world covering the broad field of guided wave optics and optoelectronics. Most of the chapters are state-of-the-art on respective topics or areas that are emerging. Several authors narrated technological challenges in a lucid manner, which was possible because of individual expertise of the authors in their own subject specialties. I have no doubt that this book will be useful to graduate students, teachers, researchers, and practicing engineers and technologists and that they would love to have it on their book shelves for ready reference at any time.
Author: Tom Gerats
Publisher: Springer Science & Business Media
ISBN: 0387847960
Category : Science
Languages : en
Pages : 451
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Book Description
Petunia belongs to the family of the Solanaceae and as such is closely related to important crop species like tomato, potato, eggplant, pepper and tobacco. With around 35 species described it is one of the smaller genera and among those there are two groups of species that make up the majority of them: the purple flowered P.integrifolia group and the white flowered P.axillaris group. It is assumed that interspecific hybrids between members of these two groups have laid the foundation for the huge variation in cultivars as selected from the 1830’s onwards. Petunia thus has been a commercially important ornamental since the early days of horticulture. Despite that, Petunia was in use as a research model only parsimoniously until the late fifties of the last century. By then seed companies started to fund academic research, initially with the main aim to develop new color varieties. Besides a moment of glory around 1980 (being elected a promising model system, just prior to the Arabidopsis boom), Petunia has long been a system in the shadow. Up to the early eighties no more then five groups developed classical and biochemical genetics, almost exclusively on flower color genes. Then from the early eighties onward, interest has slowly been growing and nowadays some 20-25 academic groups around the world are using Petunia as their main model system for a variety of research purposes, while a number of smaller and larger companies are developing further new varieties. At present the system is gaining credibility for a number of reasons, a very important one being that it is now generally realized that only comparative biology will reveal the real roots of evolutionary development of processes like pollination syndromes, floral development, scent emission, seed survival strategies and the like. As a system to work with, Petunia combines advantages from several other model species: it is easy to grow, sets abundant seeds, while self- and cross pollination is easy; its lifecycle is four months from seed to seed; plants can be grown very densely, in 1 cm2 plugs and can be rescued easily upon flowering, which makes even huge selection plots easy to handle. Its flowers (and indeed leaves) are relatively large and thus obtaining biochemical samples is no problem. Moreover, transformation and regeneration from leaf disc or protoplast are long established and easy-to-perform procedures. On top of this easiness in culture, Petunia harbors an endogenous, very active transposable element system, which is being used to great advantage in both forward and reverse genetics screens. The virtues of Petunia as a model system have only partly been highlighted. In a first monograph, edited by K. Sink and published in 1984, the emphasis was mainly on taxonomy, morphology, classical and biochemical genetics, cytogenetics, physiology and a number of topical subjects. At that time, little molecular data was available. Taking into account that that first monograph will be offered electronically as a supplement in this upcoming edition, we would like to put the overall emphasis for the second edition on molecular developments and on comparative issues. To this end we propose the underneath set up, where chapters will be brief and topical. Each chapter will present the historical setting of its subject, the comparison with other systems (if available) and the unique progress as made in Petunia. We expect that the second edition of the Petunia monograph will draw a broad readership both in academia and industry and hope that it will contribute to a further expansion in research on this wonderful Solanaceae.
Author: Patrick E. McGovern
Publisher: Princeton University Press
ISBN: 0691197202
Category : Cooking
Languages : en
Pages : 456
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Book Description
Stone age wine -- The Noah hypothesis -- The archaeological and chemical hunt for the earliest wine -- Neolithic wine! -- Wine of the earliest pharaohs -- Wine of Egypt's golden age -- Wine of the world's first cities -- Wine and the great empires of the ancient Near East -- The Holy Land's bounty -- Lands of Dionysos : Greece and western Anatolia -- A beverage for King Midas and at the limits of the civilized world -- Molecular archaeology, wine, and a view to the future.
Author: Christian E. Butzke
Publisher: Elsevier
ISBN: 0857090186
Category : Technology & Engineering
Languages : en
Pages : 425
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Book Description
What is the best way to cold settle my white juices? How do I sample for Brettanomyces? What's the best procedure to clean or store a used barrel? How do I care for the winery pump? My wine is too astringent - what do I do? When can I skip filtering my wine? When will it re-ferment and push the corks? How do I best store and ship my bottled wine?Expert answers to these and further questions that arise during winemaking can be found in this convenient reference book. Arranged in practical question and answer format, Winemaking problems solved provides brief, quickly accessible solutions to more than one hundred issues of frequent concern to winemaking professionals.Chapters review issues associated with grape analysis, juice and must preparation, yeast and malolactic fermentation, wine clarification and stabilisation, filtration, packaging and storage. Sections on winery equipment maintenance and troubleshooting, wine microbiology and sanitation are also included. The final part of the book focuses on particular wine quality issues, such as hazes and off-odours.With expert contributions from a diverse team of international enologists, Winemaking problems solved is an essential, hands-on reference for professionals in the winemaking industry and students of enology. - Provides solutions to a variety of issues of frequent concern to wine making professionals - Reviews issues related to grape analysis, filtration, packaging and microbiology - A hands-on reference book written by a diverse team of international enologists
