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[V971.Ebook] Free PDF Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.

Free PDF Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.

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Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.

Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.



Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.

Free PDF Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.

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Brew Chem 101: The Basics of Homebrewing Chemistry, by Lee W. Janson Ph.D.

Understand the science that goes into making your favorite beverage. This crash course in brewing chemistry makes it easy for every homebrewer to make better beer. Using simple language and helpful diagrams, Lee W. Janson guides you through every chemical reaction in the brewing process and explains how you can avoid potential problems. Steer away from common mistakes in taste, fermentation, and alcohol content, and use your newfound knowledge to successfully brew your most delicious beer yet.

  • Sales Rank: #555549 in Books
  • Brand: Brewcraft
  • Model: 958354
  • Published on: 1996-01-10
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.00" h x .38" w x 6.00" l, .49 pounds
  • Binding: Paperback
  • 128 pages

From Booklist
Although Janson claims this course in chemistry for the nonchemist is for "the homebrewer whether beginner or expert," it likely will be of most help to the intermediate or advanced home-brewer eager to fine-tune and standardize output. Janson tries to keep the hard science to a minimum and explains terms and processes fully and clearly. Still, he charts a lot of molecular structures, but his explanations are so comprehensive and his perception of common home-brewing problems so canny that the technical material won't drive readers away. The chapter on avoiding "off" flavors alone is worth the price of the book, and the chapter on evaluating beer and the insightful glossary just make it better. So if you are concerned about flocculation and avoiding that "baby diaper" or "skunky" taste and aroma, make this required reading. Mike Tribby

Review
"...carefully written and easy to read. This is a book that even nontechnical brewers can read to advantage." -- George Fix, Ph.D., author of Principles of Brewing Science

From the Back Cover
Now every homebrewer can make better beer simply by knowing the basic science behind the components of beer and fermentation.

Do you need to have an advanced science degree to understand brewing chemistry? Certainly not! Any brewer, explains author Lee W. Janson, can understand the basic details of the life of a yeast or the careless steps that produce those annoying off-flavors -- and learn how to avoid them.

Brew Chem 101 features:

-- Nontechnical language and a highly readable style

-- Explanations of the chemical reactions at each stage of the brewing process and how to avoid potential problems

-- A primer on beer tasting and judging

Most helpful customer reviews

0 of 0 people found the following review helpful.
Good to have on hand.
By Andy B
Now I know why my beer is sour sometimes. A great read.

19 of 21 people found the following review helpful.
A good "basics" book
By John Orleans
If you have a degree in chemistry, microbiology, or biology, this book is not for you. Buy George Fix's book or one of the texts by the Siebel Institute. This book is also not for the all-grain veteran looking for insight on the mysteries of recipe formulation and yeast interaction. Finally, Brew Chem 101 is certainly not for the professional brewer. This book is best for beginning - intermediate homebrewers looking to move from extract brewing to partial mash or all grain brewing.

I found this book to be an excellent introduction to brewing science for people long out of high school and/or not really science-types. It is fairly light on technology and terminology, while providing sound fundamentals on good brewing. As others have pointed out, the science in the book is not 100% accurate, but it is accurate enough for homebrewing and it seems the author intentionally simplified the science to save overly long explainations on obscure (read, boring) topics. I have some issues with the techniques used in the book, especially regarding boiling grains, but ask 50 award-winning brewers to define the perfect brewing technique and you'll get 50 different answers.

I do wish Janson had provided much more information on water chemistry and the effects of temperature at different stages of mashing, but I understand this book is meant as a springboard to further reading.

I appreciated Janson's chapter on off flavors. He provided easy to understand descriptions, possible sources, and ways to avoid them. While his solutions may seem obvious to advanced brewers, they are accurate the provide a fix to 90% of the problems encountered by novice brewers.

Everything in this book can be found on the Internet or through your local homebrew club, and there is no published "perfect" book on homebrewing. However, it is nice to have a reference book on the shelf and, for what it is, Beer Chem 101 is very good. In conjunction with Dave Miller's Homebrewing Guide or Charlie Papazian's The Complete Joy of Homebrewing, Janson's book provides an easy progression from extract brewing to all-grain brewing. I would have liked an advanced section on water, yeast, and mashing to ease the transition to Priciples of Brewing Science by George Fix, and I had a few issues with technique, so I have given it 4 stars.

2 of 3 people found the following review helpful.
A Friendly Guide with Straightforward Language
By Carolyn Smagalski
As I sat in my Beer Judge Certification Class learning about glucose, fructose and raffinose, and about chlorophenols, dimethyl sulfide and oxidation, a feeling of panic began to rise. What is this ion stuff? If only I had foreseen how important chemistry would become in my life, my attitude toward the scientific curriculum of my salad days would have been different.

Fortunately, one of my BJCP classmates, a water analyst for the EPA, recommended a book, "Brew Chem 101 - The Basics of Homebrewing Chemistry," written by Lee W. Janson, M.D., Ph.D. I liked the idea of the "101" - a clue that this was basic stuff. This is not an intimidating textbook from the halls of academia, but a friendly guide for those of us who need a foundation to support our new-found knowledge of brewing science. In straightforward language, Dr. Janson spoon-feeds the reader with useful information.

He describes the "real" differences between organic chemistry and inorganic chemistry. Janson elegantly discusses "charged atoms...collectively referred to as ions," the dissolving characteristics of water, hydrophobic molecules, and isomerization (described simply as a "change to a molecule with some partial charges that can, therefore, dissolve.") His idea of chemistry lessons allows the reader to impale herself on an idea in a matter of minutes, and climb the necessary steps to the temple of knowledge.

The Table of Contents presents brewing in a methodical relay, while each topic is covered simply, yet thoroughly enough for the non-chemist. Besides his acknowledgments, intro, recommended further reading, and glossary, Janson covers:

The Basic Chemistry of Brewing; The Biochemistry of Beer; Yeast and Fermentation; Mashing and Sparging; Understanding and Avoiding Off Flavors; Evaluating Beer

For the Beer Judge, the chapter on Off Flavors is invaluable in its simple presentation. Nothing significant is skipped; yet, the gentle immersion into the whys and hows of chemical reactivity are well laid out.

This is a good starter book for the novice, and serves as a stepping stone to more comprehensive books like Principles of Brewing Science by George J. Fix and Designing Great Beers: The Ultimate Guide to Brewing Classic Beer Styles by Ray Daniels.

See all 26 customer reviews...

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