Publications library

Blogs and articles

Scientific and popular blog posts and articles published on various online and printed platforms

June 30, 2020

Removing copper-H2S complexes using membrane filtration

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

May 20, 2020

COPPER AND SO2 USED TOGETHER – EFFECT ON H2S

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

April 23, 2020

RETHINKING COPPER FOR THE TREATMENT OF H2S

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

March 18, 2020

OXYGEN CONSUMPTION BY YEAST LEES

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

February 12, 2020

HAND HARVEST VS MECHANICAL HARVESTING? THE EFFECT ON VOLATILE THIOLS

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

January 19, 2019

ROTUNDONE PART 1: THE AROMATIC COMPOUND RESPONSIBLE FOR PEPPERY NOTES IN SHIRAZ

by Dr. Carien Coetzee

Shiraz SA

December 4, 2019

GRAHAM BECK’s 2014 CUVÉE CLIVE – A SHOWCASE OF POWER AND ELEGANCE

by Dr. Carien Coetzee

wine.co.za

November 20, 2019

VITICULTURAL AND OENOLOGICAL INFLUENCES ON VOLATILE THIOLS

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

October 17, 2019

FOLIAR FERTILISATION: EFFECT ON VOLATILE THIOLS

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

September 12, 2019

A TECHNICAL UNRAVELLING OF THE YOUNG WINE SHOW CHAMPION!

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

August 16, 2019

CLOSURE-DERIVED OXYGEN AND OTR 

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

July 8, 2019

POST-HARVEST SUN EXPOSURE CAN POTENTIALLY LEAD TO A DECREASE IN VOLATILE THIOLS

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

June 3, 2019

Corked wine under screwcap?

by Dr. Carien Coetzee

wine.co.za

April 23, 2019

SHOULD WE BE AFRAID OF PINKING?

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

March 25, 2019

EFFECT OF BENTONITE FINING ON VOLATILE THIOLS

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

February 22, 2019

SAUVIGNON BLANC UNDER INVESTIGATION: CURRENT RESEARCH AT THE UNIVERSITY OF STELLENBOSCH (OENOLOGY)

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

August 20, 2018

"GROEN" WYNE SOMS BAIE GESOG

by Dr. Carien Coetzee (Afrikaans)

Eikestadnuus

March, 2018

Sugars in grapes and wines demystified

by Dr. Carien Coetzee

Vinlab

November, 2017

GUAVA TREE AND CAT"S PEE

by Dr. Carien Coetzee

Winetech (Institute for Grape and Wine Sciences)

March, 2017

The ins and outs of a copper fining trial

by Dr. Carien Coetzee

Vinlab

January, 2017

Méthode Cap Classique, Part 3: From the end of primary fermentation to preparation and commence of secondary fermentation

by Dr. Carien Coetzee

Vinlab

September 2015

How quickly does oxygen disappear from white wine?

co-authored by Dr. Carien Coetzee

Wineland Media

June 28, 2020

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

May 20, 2020

THE EFFECT OF pH ON H2S FORMATION

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

April 8, 2020

OPTIONS FOR ENHANCING MOUTHFEEL OF EARLIER HARVEST GRAPES – A RESEARCH SUMMARY

by Dr. Carien Coetzee

Shiraz SA

February 18, 2020

FREE-RUN vs PRESSING? THE EFFECT ON THE VOLATILE THIOLS

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

February 4, 2020

WHEN IS THE BEST TIME TO APPLY BENTONITE?

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

December 22, 2019

HOW SHIPPING TEMPERATURES AFFECT SAUVIGNON BLANC WINE COMPOSITION – PART 2

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

December 2, 2019

MANAGING GREEN AROMAS IN THE CELLAR: METHOXYPYRAZINES

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

November 18, 2019

HPP TECHNOLOGY TO REDUCE SO2 REQUIREMENTS – THE EFFECT ON SAUVIGNON BLANC COMPOSITION

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

9 October, 2019

by Dr. Carien Coetzee

wine.co.za

September 1, 2019

by Dr. Carien Coetzee

July 24, 2019

THE EVOLUTION OF SAUVIGNON BLANC’S FRIEND (3MH) AND FOE (H2S) DURING BOTTLE STORAGE

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

June 20, 2019

STYLISTIC DIVERSITY IN SOUTH AFRICAN SAUVIGNON BLANC

by Dr. Carien Coetzee

Concours Mondial du Sauvignon

May 30, 2019

VOLATILE THIOLS: CONJUGATED PRECURSORS ARE NOT THE MAIN SOURCE. DID YOU KNOW THAT?

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

April 5, 2019

MINERALITY IN SAUVIGNON BLANC – PART 1

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

March 11, 2019

SA A FAVOURITE AT CONCOURS MONDIAL DU SAUVIGNON

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

February 18, 2019

INCREASING METHOXYPYRAZINES USING SKIN CONTACT AND INCREASED PRESSURES…

MORE TROUBLE THAN IT IS WORTH?

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

April 2018

Adjusting Sauvignon Blanc aroma and flavor complexity:
GRAPE DERIVED FRUITY

VOLATILE THIOLS

Wines and Vines Analytics

March, 2018

Glucose & Fructose for the prediction of final alcohol

by Dr. Carien Coetzee

Vinlab

November, 2017

Geosmin…soiling my wine

by Dr. Carien Coetzee

Vinlab

February, 2017

Comparing the Glories, Iland and Bovine serum albumin when measuring phenolic compounds and whether there is a correlation between grape and wine content?

co-authored by Dr. Carien Coetzee

Wineland Media

January, 2017

Méthode Cap Classique, Part 2: Processing and primary fermentation

by Dr. Carien Coetzee

Vinlab

October, 2013

Colour and phenolics in red grapes – a comprehensive survey of the distribution of these parameters in different red grape blocks from the Robertson area

co-authored by Dr. Carien Coetzee

Wineland Media

May 20, 2020

WINTER FERMENTED SAUVIGNON BLANC – INNOVATION GIVING SOUTH AFRICAN WINERIES AN EDGE

by Dr. Carien Coetzee

Concours Mondial du Sauvignon

April 23, 2020

LATENT H2S FORMATION – HOW IS IT POSSIBLE?

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

March 23, 2020

HOW SO2 SPEEDS UP OXYGEN REMOVAL – A RESEARCH SUMMARY

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

February 12, 2020

ROTUNDONE PART 2: WINERY PROCESSES AFFECTING PEPPER AROMA

by Dr. Carien Coetzee

Shiraz SA

January 21, 2020

EFFECT OF MECHANICAL HARVESTING ON SAUVIGNON BLANC PROTEIN CONTENT

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

December 21, 2019

HOW SHIPPING TEMPERATURES AFFECT SAUVIGNON BLANC COMPOSITION – PART 1

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

December 1, 2019

RANDOM OXIDATION AND THE ROLE OF BOTTLE DIMENSIONS

by Dr. Carien Coetzee

Wineland Technical

October 31, 2019

MANAGING GREEN AROMAS IN THE VINEYARD: METHOXYPYRAZINES

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

September 30, 2019

by Dr. Carien Coetzee

Sauvignon Blanc South Africa

August 28, 2019

POTASSIUM POLYASPARTATE (KPA). ENSURING TARTRATE STABILITY IN SAUVIGNON BLANC...SINCE 2019

by Dr. Carien Coetzee

Sauvignon Blanc South Africa