BASIC WINE
Consulting & advice in wine matters
Understanding and applying wine science
BASIC WINE
​
Blogs and articles
Scientific and popular blog posts and articles published on various online and printed platforms
May 4, 2022
STEADY SAUVIGNON IDEAL FOR CANNING
by Dr. Carien Coetzee
Concours Mondial du Sauvignon
April 1, 2022
Factors affecting sparging efficiency (Part 1)
by Dr. Carien Coetzee
Winetech Technical
December 1, 2021
Bioprotection – a microbial alternative to SO2
written by Dr. Carien Coetzee for Laffort SA
Winetech Technical
October 1, 2021
Adding antioxidants to Sauvignon blanc musts (Part 2)
Winetech Technical
September 1, 2021
Winetech Technical
July 31, 2021
SHAKEN AND STIRRED – DOES PHYSICAL AGITATION DURING TRANSPORT AFFECT WINE?
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
June 30, 2021
FAULT FOCUS – GEOSMIN DRAGGING YOUR WINE THROUGH THE MUD
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
May 28, 2021
Copper-containing fungicide and the effect on the 3-mercaptohexanol concentration
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
February 3, 2021
Strategies for producing Sauvignon blanc with reduced alcohol content – Part 3
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
January 1, 2021
Do smaller thiol increases have a significant sensorial effect?
BY CARIEN COETZEE, MATIJA LESKOVIC, JEANNE BRAND & WESSEL DU TOIT
Wineland Technical
December 1, 2020
New developments in protein stability
by Dr. Carien Coetzee
Wineland Technical
October 27, 2020
Sauvignon Blanc and plant water status
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
August 1, 2020
Yeast and its ability to release thiols
by Dr. Carien Coetzee
Wineland Technical
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, 2020
ROTUNDONE PART 1: THE AROMATIC COMPOUND RESPONSIBLE FOR PEPPERY NOTES IN SHIRAZ
by Dr. Carien Coetzee
Shiraz SA
​December 22, 2019
HOW SHIPPING TEMPERATURES AFFECT SAUVIGNON BLANC WINE COMPOSITION – PART 2
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
December 4, 2019
GRAHAM BECK’s 2014 CUVÉE CLIVE – A SHOWCASE OF POWER AND ELEGANCE
by Dr. Carien Coetzee
wine.co.za
October 31, 2019
MANAGING GREEN AROMAS IN THE VINEYARD: METHOXYPYRAZINES
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
September 30, 2019
CONSUMPTION RATES: OXYGEN AND SULPHUR DIOXIDE
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
July 16, 2019
MINERALITY IN SAUVIGNON BLANC – PART 4
​Salinity – the cousin of Minerality
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
June 19, 2019
MINERALITY IN SAUVIGNON BLANC – PART 3
Soil minerals in wine…
unromantically disproven
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
May 17, 2019
MINERALITY IN SAUVIGNON BLANC – PART 2
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
April 1, 2019
LOW ALCOHOL SAUVIGNON BLANC THE BREADWINNER OF TOMORROW
by Dr. Carien Coetzee
wine.co.za
February 27, 2019
STABILITY OF SAUVIGNON BLANC AROMA AFTER FERMENTATION
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
September 2018
CHENIN BLANC VS SAUVIGNON BLANC – THIOL LEVELS IN YOUNG WINES
Co-authored by Dr. Carien Coetzee
Wineland media
April 2018
Adjusting Sauvignon Blanc aroma and flavor complexity:
GRAPE DERIVED FRUITY
VOLATILE THIOLS
Wines and Vines Analytics
November, 2017
EVERYONE'S BUZZING ABOUT 4MMP
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
April, 2017
Delle Units: Alcohol-sugar combination to achieve microbial stabilization in sweet wines
by Dr. Carien Coetzee
Vinlab
February, 2017
Méthode Cap Classique, Part 4: Aging, riddling, disgorging and corking
by Dr. Carien Coetzee
Vinlab
September, 2014
Factors influencing the consumption of oxygen in wine
co-authored by Dr. Carien Coetzee
Wineland Media
May 1, 2022
Factors affecting sparging efficiency (Part 2)
by Dr. Carien Coetzee
Winetech Technical
January 1, 2022
Cooling Sauvignon blanc grapes before processing – is it worth the effort, time and energy?
by Dr. Carien Coetzee
Winetech Technical
October 31, 2021
The beauty of “blackcurrant” aroma
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
September 30, 2021
ELEMENTAL SULPHUR SPRAY – PART 2:
RESIDUES DURING WINEMAKING
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
July 30, 2021
FAULT FOCUS – “CORKED” WINE UNDER SCREWCAP?
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
May 1, 2021
Wineland Technical
January 30, 2021
Strategies for producing Sauvignon blanc with reduced alcohol content – Part 2
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
December 18, 2020
PVPP under the spotlight
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
October 17, 2020
Grapevine Leafroll Disease and the effect on Sauvignon Blanc
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
August 19, 2020
How dissolved carbon dioxide protects wine from oxygen
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
July 30, 2020
The influence of bottle colour and light on Sauvignon Blanc
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
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 12, 2020
ROTUNDONE PART 2: WINERY PROCESSES AFFECTING PEPPER AROMA
by Dr. Carien Coetzee
Shiraz SA
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February 4, 2020
WHEN IS THE BEST TIME TO APPLY BENTONITE?
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
January 1, 2020
Exploring PET and BIB as possible alternative packaging for Sauvignon Blanc
by Dr. Carien Coetzee
Winetech Technical
​December 2, 2019
MANAGING GREEN AROMAS IN THE CELLAR: METHOXYPYRAZINES
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
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
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
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
March 30, 2022
Glycerol – does it really contribute to mouthfeel?
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
February 28, 2022
Juice solids and clarification 101
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
December 9, 2021
Nutriferm X – Frequently Asked Questions
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
October 30, 2021
CO2 sparging of Sauvignon Blanc JUICE
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
September 29, 2021
ELEMENTAL SULPHUR SPRAY – PART 1:
RESIDUE CONCENTRATIONS AT HARVEST
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
June 30, 2021
KPA TO THE RESCUE – THE SOLUTION TO TARTRATE STABILISATION
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
January 29, 2021
Strategies for producing Sauvignon blanc with reduced alcohol content – Part 1
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
December 10, 2020
Testing different fermentation vessels for the production of Sauvignon Blanc wines
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
August 11, 2020
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
July 8, 2020
Late Spring mechanical shaking
– ditch the Botrytis, keep the yield
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
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 18, 2020
FREE-RUN vs PRESSING? THE EFFECT ON THE VOLATILE THIOLS
by Dr. Carien Coetzee
Sauvignon Blanc South Africa
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
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
May 2018
Adjusting Sauvignon Blanc aroma and flavor complexity:
PRESERVING AND INCREASING THIOLS
by Dr. Carien Coetzee
Wines and Vines Analytics
March, 2018
Glucose & Fructose for the prediction of final alcohol
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