Beer: A Quality Perspective

Edited By Charles Bamforth

An invitation to consider beer from all perspectives of sensory evaluation from sight to scent to flavor.

Item No: 92013

©2009; 7” x 9” hardcover; 300 pages; 3 pounds



$165.00 Price
$148.50 Member Price



This book details the research that has been devoted to the range of quality attributes of beer. It is the first book to approach beer in this way and comprises an essential reference for anyone seeking an authoritative account of the science of beer appearance, flavor, stability and wholesomeness. The in-depth look at aspects of brewing that this book provides makes it perfect for employees on the technical production side of the alcoholic beverage industry, students studying the subject and people involved in related and associated biotechnology industries, the brewing industry, as well as academic researchers.

Focusing on the quality of beer and the impact of raw materials and processing on the consumer’s experience, the authors help their readers think about beer production differently than ever before. This title helps readers to consider beer from all perspectives of sensory evaluation from sight to scent to flavor.

Beer Foam: Achieving a Suitable Head

 Introduction
 Beer foam physics
 Beer components that influence foam quality 
 Protein
 Non-starch polysaccharides
 
Hop acids
 Cations
 Lipids
 Other foam negative/positive beer constituents
 Manipulating the brewing process to optimize foam quality
 Summary


Beer Flavour
Introduction
The flavor unit
Brewing raw materials and beer flavor
Impact of beer production processes
In-pack flavor changes
Taints and off-flavors
Holistic flavor perception
Summary
 
The Flavour Instability of Beer
Factors impacting the shelf life of beer
The impact of temperature
The chemistry of flavor change in beer
An evaluation of processes from barley to beer in the context of flavor instability
 
Colloidal Stability of Beer
Summary
Biological stability
Importance of whole process to ensure stability
Chill haze
Protein in beer
Beer polypeptides and their functions
Identifying polypeptides by size
Identifying polypeptides by amino acid composition
Identifying polypeptides by hydrophobicity
Summary of polypeptides
Polyphenols
Methods of detecting polyphenols
Polyphenols in beer
Haze-forming reactions between polypeptides and polyphenols
Stabilization treatments
Combined stabilization system (CSS)
Other treatments
Other non-biological hazes
Testing the effectiveness of beer stabilization
Haze identification
 
Microbiological Stability of Beer
Overview of microbial spoilage
Outline of the brewing process
Raw materials
Wort
Fermentation
Storage and finishing
Packaging and packaged beer
Dispense
Detection
Improving microbiological stability
Quality control
 
Beer Gushing
Introduction
Terminology
Physical background of gushing
Primary gushing
Secondary gushing
Summary
 
Beer Color
Color perception
Measuring color
Standard methods for measuring beer color
Origins of beer color
 
Beer and Health
Atherosclerosis
Hypertension and stroke
The digestive system
The reproductive system
Brain and cognitive function
Kidney and urinary tract
Age
Cancer
Allergy
 
Appendix: Practicalities of achieving quality
Definitions of quality
Responsibility for quality
Quality systems
Quality assurance versus quality
Specifications
The cost of quality
Statistical process control
Process capability
Control charts
Standard methods of analysis
Setting specifications and monitoring performance
Hazard analysis critical control points (HACCP)
 

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