Chemistry and Analysis of Hop and Beer Bitter Acids

This Hardcover is Not Available through
Sending request ...

Product Details

Table of Contents

Preface. Chapter 1. Hops as a raw material in the brewery 1.1. Occurrence of hops 1.2. Origin and history 1.3. Hop as a botanical species 1.4. Hop as a commercial plant 1.5. References. Chapter 2. The alpha acids 2.1. Structure of the alpha acids 2.2. Composition and importance of the hop alpha acids 2.3. Biogenesis of the hop alpha acids 2.4. Synthesis of the hop alpha acids 2.5. References. Chapter 3. Reduced derivatives of humulone 3.1. Dihydrohumulone 3.2. Tetrahydrohumulone 3.3. Humulohydroquinone-humuloquinone 3.4. 4-Deoxyhumulone 3.5. 2,6-Bis (3-methylbutyl)-4-(3-methylbutanoyl)resorcinol 3.6. 2,4,6-Tris (3-methylbutyl)resorcinol 3.7. References. Chapter 4. Oxidized derivatives of humulone 4.1. Humulinone 4.2. Tricyclodehydro-isohumulone (TCD) 4.3. Compound 47 4.4. Compound 50 4.5. Compound 52 4.6. Compound 53 4.7. Compound 54 4.8. Compound 55 4.9. Compound 57 4.10. Abeo-isohumulones 4.11. Tetronic acid derivative 67 4.12. Volatile oxidation products 4.13. Latest contributions 4.14. References. Chapter 5. The isohumulones 5.1. Structure of the isohumulones 5.2. Formation of the isohumulones 5.3. Interconversion between isohumulones and humulone 5.4. Synthesis of the isohumulones 5.5. Importance of the isohumulones 5.6. References. Chapter 6. Reduced derivatives of the isohumulones 6.1. Dihydro-isohumulones 6.2. Tetrahydro-isohumulones 6.3. Neohydro-isohumulones and neohydro-isocohumulones 6.4. Compound 97 6.5. The rho-isohumulone 6.6. Compound 107 6.7. References. Chapter 7. Oxidized derivatives of the isohumulones 7.1. Non-volatile oxidized derivatives 7.2. Volatile oxidized derivatives 7.3. References. Chapter 8. Transformation anddegradation products of the isohumulones 8.1. The allo-isohumulones 8.2. The hydrated allo-isohumulones 8.3. The acetylhumulinic acids 8.4. The humulinic acids and derivatives 8.5 References. Chapter 9. The anti-isohumulones 9.1. Isolation 9.2. Nomenclature 9.3. Structural proofs 9.4. Formation mechanism 9.5. Importance of the anti-isohumulones 9.6. References. Chapter 10. Degradation and derivatives of the anti-isohumulones 10.1. The anti-acetylhumulinic acids 10.2. Deacylated derivatives of the anti-isohumulones 10.3. Special derivatives of the anti-isohumulones 10.4. References. Chapter 11. The beta acids 11.1. Structure of the beta acids 11.2. Composition of the beta acids 11.3. Biogenesis of the beta acids 11.4. Synthesis of the beta acids 11.5. References. Chapter 12. Reduced derivatives of the beta acids 12.1. Hexahydro-beta acids 12.2. 4-Deoxy-alpha acids 12.3. 4-Deoxytetrahydro-alpha acids 12.4. Reduction products of colupulone with zinc : acetic acid : hydrogen chloride 12.5. References. Chapter 13. Oxidized derivatives of the beta acids 13.1. Oxidation with oxygen or auto-oxidation 13.2. Oxidation with chemical oxidants 13.3. References. Chapter 14. Derivatives of the beta acids in acidic and in alkaline conditions 14.1. Treatment with strong acid 14.2 Treatment with weak acid 14.3. Treatment with alkali 14.4. Treatment with very strong alkali at high temperatures 14.5. References. Chapter 15. The analysis of hop and beer bitter acids 15.1. Introduction 15.2. The analysis of hops and beer bitter acids 15.3 Samples to be analysed 15.4. Principles of specific alpha and iso-alpha acids analysis 15.5. Boiling methods for evaluating hops and hop products 15.6. References. Chapter 16. Analysis of alpha acids 16.1. Introduction 16.2. General problems related to alpha acids analysis 16.3. Problems related to the sample preparation 16.4. Problems related to the analytical procedure 16.5. Practical conductometric alpha acids analysis 16.6. Practical analysis of alpha acids by liquid chromatography 16.7. Micellar electrokinetic capillary chromatography 16.8. Conclusion 16.9. References. Chapter 17. Analysis of iso-alpha acids 17.1 Introduction 17.2. General problems related to iso-alpha acids analysis 17.3. Problems related to the sample preparation 17.4. Problems related to the analytical procedure 17.5. Practical direct photometry of iso-alpha acids 17.6 Practical LC analysis of iso-alpha acids 17.7. References. Chapter 18. The future of hop chemistry 18.1. Introduction 18.2. Liquid chromatography 18.3. Specific research possibilities for liquid chromatography 18.4. Capillary electrophoresis (CE) 18.5. Specific problems for CE 18.6. Sensor and probe techniques 18.7 In conclusion 18.8. References. Formula Number Index. Formula Index. General Index.
Read More Show Less

Customer Reviews

Be the first to write a review
( 0 )
Rating Distribution

5 Star


4 Star


3 Star


2 Star


1 Star


Your Rating:

Your Name: Create a Pen Name or

Barnes & Review Rules

Our reader reviews allow you to share your comments on titles you liked, or didn't, with others. By submitting an online review, you are representing to Barnes & that all information contained in your review is original and accurate in all respects, and that the submission of such content by you and the posting of such content by Barnes & does not and will not violate the rights of any third party. Please follow the rules below to help ensure that your review can be posted.

Reviews by Our Customers Under the Age of 13

We highly value and respect everyone's opinion concerning the titles we offer. However, we cannot allow persons under the age of 13 to have accounts at or to post customer reviews. Please see our Terms of Use for more details.

What to exclude from your review:

Please do not write about reviews, commentary, or information posted on the product page. If you see any errors in the information on the product page, please send us an email.

Reviews should not contain any of the following:

  • - HTML tags, profanity, obscenities, vulgarities, or comments that defame anyone
  • - Time-sensitive information such as tour dates, signings, lectures, etc.
  • - Single-word reviews. Other people will read your review to discover why you liked or didn't like the title. Be descriptive.
  • - Comments focusing on the author or that may ruin the ending for others
  • - Phone numbers, addresses, URLs
  • - Pricing and availability information or alternative ordering information
  • - Advertisements or commercial solicitation


  • - By submitting a review, you grant to Barnes & and its sublicensees the royalty-free, perpetual, irrevocable right and license to use the review in accordance with the Barnes & Terms of Use.
  • - Barnes & reserves the right not to post any review -- particularly those that do not follow the terms and conditions of these Rules. Barnes & also reserves the right to remove any review at any time without notice.
  • - See Terms of Use for other conditions and disclaimers.
Search for Products You'd Like to Recommend

Recommend other products that relate to your review. Just search for them below and share!

Create a Pen Name

Your Pen Name is your unique identity on It will appear on the reviews you write and other website activities. Your Pen Name cannot be edited, changed or deleted once submitted.

Your Pen Name can be any combination of alphanumeric characters (plus - and _), and must be at least two characters long.

Continue Anonymously

    If you find inappropriate content, please report it to Barnes & Noble
    Why is this product inappropriate?
    Comments (optional)