Home Industry News Releases Blind Taste Research Confirms Consumer Preference for Cork

Blind Taste Research Confirms Consumer Preference for Cork

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Results Based on a Study in the International Journal of Hospitality Management

NEW YORK, September 13, 2018 – A recent study published in the International Journal of Hospitality Management found that wine drinkers in a blind taste test rated the same wine 10 – 13 points higher for appearance, taste, aroma, and overall quality, when they were led to believe by visual cues that the wine was closed with a natural cork as opposed to a screw cap or a synthetic cork. The 310 participants did not know they were actually tasting the exact same wine. The aim of the study was to investigate the association between wine bottle closure type and consumer perceptions of intrinsic wine attributes.

“This research project proved statistically true as participants rated wines that they were told came from bottles with natural cork as superior when in reality both wines used in the experiment were dispensed from wine kegs,” says Dr. Dennis Reynolds, Dean of the University of Houston Conrad N. Hilton College of Hotel and Restaurant Management and author of the study.

The study concluded that restaurants, bars, wineries and cellars can “better please customers” by serving wines with natural corks instead of screw caps or synthetic corks closures because “closure type can influence perceptions of taste, bouquet, appearance, and overall quality.” Moreover, the researchers suggest that wine manufacturers should “resist shifting to alternatives to natural corks.”

“It’s no coincidence that 70 percent of all wine stoppers are made of cork, including the overwhelming majority of the world’s best wines,” says João Rui Ferreira, President of The Portuguese Cork Association (APCOR). “The study’s findings are in line with what we’ve been seeing for many years. This natural, sustainable, and recyclable product is not just superior in terms of its environmental aspects and its ability to preserve wine and aid in its development, but superior in terms of consumer perception as well.”

Participants were given a written survey which asked questions related to experience with wine, consumption habits and wine preferences. The tasting included two wines that were disguised as four wines. The wines used in the study were Bordeaux blends.

The survey results mirrored the results of a blind taste test conducted in 2017 by Oxford University Professor of Experimental Psychology Dr. Charles Spence, in which participants rated the same wine after hearing the sound of a bottle being opened – either the twist of a screw cap or the pop of a cork. In that study, the perception that the wine was closed with a cork led participants to rate the wine 8 percent to 15 percent higher. While the Oxford study was funded by the Portuguese Cork Association, the current study was independent of any connection to the cork industry.

This 2018 study was co-authored by Dennis Reynolds of the Conrad N. Hilton College of Hotel and Restaurant Management, University of Houston, USA, Imran Rahman and Shaniel Bernard of the Department of Nutrition, Dietetics, and Hospitality Management at Auburn University, USA, and Amy Holbrook of The Boeing Company, USA.

For more information about APCOR, visit www.apcor.pt/en/ and www.100percentcork.org. You can follow APCOR on Facebook, Twitter and Instagram. For further questions about APCOR or the study, please contact Krisna Bharvani of Colangelo & Partners.

About APCOR:

The Portuguese Cork Association (APCOR) exist to promote natural cork and its products. APCOR is the employers’ association of the cork sector that represents, promotes and carries out research in the Portuguese cork industry. It was created in 1956 and is based in Santa Maria de Lamas, in the council of Santa Maria da Feira, at the heart of the cork industry around 30 kilometers from Porto, Portugal’s second largest city. Membership of the association is open to all companies operating in the fields of production, marketing or export of cork products. The organization advocates on behalf of the Portuguese cork industry worldwide and is the driving force of an industry based on tradition, innovation and sustainability.

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2 COMMENTS

  1. Nonsense. A little TCA (2,4,6 – trichloroanisole) will change all minds. A little TCA goes a very long long way.

  2. Ah, yes!
    The lingering marketing of varietal, cork finished wines. What an incredible program it was. I get people who walk through my door who say, ” I only drink Chardonnay”.
    Perhaps the result of this survey is not, to not use cork, with an 8% failure rate, but to tell consumers, we don’t want one bootle in every case to be sub standard. Teach them cork is now with linen cloth soaked in oil as a stopper. I.e. Obsolete.
    Be aware that every bit coming from APCOR or Amorim is an attempt by the filthy rich of Portugal to keep the money rolling in. Cork taint is an issue. There are no cork suppliers who have a meaningful guarantee of no significant cork taint.
    As I have said since 1993, if you find me floating in the Yakima River, check the whereabouts of cork vendors.
    Paul Vandenberg
    Paradisos del Sol
    Zero Pesticides
    Ingredient labeled
    Satisfaction guaranteed
    Cork free ( see previous statement )

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