1.

Record Nr.

UNINA9910145418703321

Titolo

Coffee [[electronic resource] ] : recent developments / / edited by R.J. Clarke and O.G. Vitzthum

Pubbl/distr/stampa

Oxford ; ; Malden, MA, : Blackwell Science, 2001

ISBN

1-281-31846-9

9786611318468

0-470-69049-6

0-470-68021-0

Descrizione fisica

1 online resource (270 p.)

Collana

World agriculture series

Altri autori (Persone)

ClarkeR. J (Ronald James)

VitzthumO. G

Disciplina

633.73

663

663.93

Soggetti

Coffee

Coffee industry

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

COFFEE Recent Developments; Contents; Preface; List of Contributors; 1 Chemistry I: Non-volatile Compounds; 1A Carbohydrates; 1.1 Introduction; 1.2 Green coffee; 1.2.1 Low molecular weight carbohydrate; 1.2.2 High molecular weight carbohydrate; 1.3 Roast coffee; 1.3.1 Low molecular weight carbohydrate; 1.3.2 High molecular weight carbohydrate; 1.4 Soluble coffee; 1.4.1 Low molecular weight carbohydrate; 1.4.2 High molecular weight carbohydrate; 1.5 Reactions of carbohydrates on roasting; 1.6 Functional properties of coffee carbohydrates; 1.6.1 Role in soluble coffee processing; 1.6.2 Foam

1.6.3 Coffee fiberReferences; 1B Acids in Coffee; 1.7 Quantitative data on organic acids in green coffee; 1.8 Determination of organic acids in roasted coffee; 1.9 Acid formation mechanisms; 1.9.1 Acetic, formic, lactic, glycolic and other carbohydrate derived acids; 1.9.2 Quinic acid; 1.9.3 Citric and malic acid; 1.9.4 Phosphoric acid; 1.10 Acid increase on storage; 1.11 Volatile acids; 1.12 Acid content and sensory



characteristics; 1.12.1 Total acidity and sour taste; 1.12.2 Acid content and acidity; 1.12.3 Roast kinetics References; 1C Lipids; 1.13 Introduction; 1.14 Coffee oil

1.14.1 Determination of total oil content1.14.2 Isolation of coffee oil for detailed analysis; 1.15 Fatty acids; 1.15.1 Total fatty acids and fatty acids in triglycerides; 1.15.2 Free fatty acids; 1.16 Diterpenes in the lipid fraction of robusta and arabica coffees; 1.16.1 Free diterpenes; 1.16.2 Diterpene fatty acid esters; 1.16.3 Diterpenes in the lipid fraction of roasted coffees; 1.16.4 Diterpenes in coffee: health aspects; 1.17 Sterols; 1.18 Tocopherols; 1.19 Other compounds; 1.20 Coffee wax; References; 2 Chemistry II: Non-volatile Compounds,Part II; 2.1 Amino acids and Protein

2.1.1 Amino acids2.1.2 Amino acid derivatives; 2.1.3 Protein; 2.2 Fate of chlorogenic acid derivatives during roasting; 2.2.1 Quinic acid moiety; 2.2.2 Cinnamic acid derivative moiety; 2.3 Antioxidative compounds in coffee brew; 2.3.1 Compounds occurring naturally in green beans; 2.3.2 Effect of roasting on antioxidative activity; 2.4 Colored macromolecular compounds; 2.4.1 Characterization of colored polymers; 2.4.2 Characterization of the zinc-chelating compounds in coffee brews; References; 3 Chemistry III: Volatile Compounds; 3.1 Introduction; 3.2 Methodology

3.2.1 Isolation of the volatile fraction3.2.2 Screening for potent odorants; 3.2.3 Enrichment and identification; 3.2.4 Quantification; 3.2.5 Aroma models and omission experiments; 3.3 Raw coffee; 3.3.1 First studies; 3.3.2 Potent odorants; 3.3.3 Content and OAVs of odorants; 3.3.4 Contaminants causing off-flavour; 3.4 Roasted coffee; 3.4.1 Concentration of important odorants; 3.4.2 Evaluation of key odorants; 3.4.3 Arabica versus robusta coffee; 3.4.4 Influence of degree of roast; 3.4.5 Aroma changes during storage; 3.5 Coffee brew; 3.5.1 Extraction yield of potent odorants

3.6 Formation of odorants

Sommario/riassunto

Coffee, one of the most commercially important crops grown, is distributed and traded globally in a multi-million dollar world industry. This exciting new book brings together in one volume the most important recent developments affecting the crop. Contributions from around 20 internationally-respected coffee scientists and technologists from around the world provide a vast wealth of new information in the subject areas in which they are expert.  The book commences with three cutting-edge chapters covering non-volatile and volatile compounds that determine the flavour of coffee. Chapters c



2.

Record Nr.

UNINA9910765706903321

Autore

Higgins Steve (Steve E.)

Titolo

500 ICT tips for primary teachers / / Steve Higgins, Nick Packard & Phil Race

Pubbl/distr/stampa

Taylor & Francis, 1999

London ; ; New York : , : RoutledgeFalmer, , 2004

ISBN

1-135-72780-5

1-135-72781-3

1-280-09598-9

0-203-01670-X

Descrizione fisica

1 online resource (160 p.)

Collana

500 Tips

Altri autori (Persone)

PackardNick

RacePhilip

Disciplina

372.1334

374.34

Soggetti

Information technology - Study and teaching

Computers - Study and teaching

Education, Preschool

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Book Cover; Half-Title; Title; Copyright; Contents; Key to Icons; Introduction; Chapter 1 Coping with ICT in the Classroom; Chapter 2 IT as a Discrete Subject; Chapter 3 IT as a Crosscurricular Subject; Chapter 4 Supporting Special Educational Needs with IT; Chapter 5 Resources for Teaching IT and ICT; Chapter 6 Assessing IT; Chapter 7 Managing ICT in Primary Schools; Chapter 8 Resources for the Implementation of ICT; Chapter 9 Supporting Colleagues; Chapter 10 The Internet; Chapter 11 Troubleshooting, Top Good Habits and Home-school Links

Appendix 1 Jargon Busting ICT Terms for Education Or...'It's All Geek to Me!'Appendix 2 Audit Your Own ICT Skills with Quick Quiz!; Appendix 3 Top 20 Web Sites; Appendix 4 Starting Points for Software; Appendix 5 Some British Educational Acronyms and Abbreviations; Appendix 6 Further Reading; Index

Sommario/riassunto

Information and Communications Technology (ICT) has been the focus of much debate and development within education, especially in the



primary sector. This text offers tried and tested ideas for using IT effectively across the whole primary curriculum.