wine faults - deborahparkerwong

Conquer wine headaches

January 16, 2026 deborahparkerwong Wine Tasting, Cabernet Sauvignon, sensory science, Wine, wine faults

Thanks to new research about quercetin, the list of culprits in wine falls into three primary categories: tannins, biogenic amines (BAs), and alcohol.

Taint or Terroir? (Chinese translation)

December 7, 2020 deborahparkerwong Chinese, Terroir, Wine, wine faults

Rex Ting-chia Ting DipWSET has translated Taint or Terroir for our Chinese readers.

Falling hard for Petrichor

October 10, 2019 deborahparkerwong SOMM Journal, Cabernet Sauvignon, Sauvignon Blanc, Scent, sensory, sensory science, wine faults

The term petrichor was derived from the Greek words petra (stone) and ichor (the blood of the gods) by researchers Isabel Joy Bear and Richard Thomas in their 1964 paper “Nature of Argillaceous Odour” to describe the scent of rain.

Wine 123: Causation and Detection of Wine Defects Offered at Santa Rosa JC

October 1, 2019 deborahparkerwong Botrytis cinerea, Brettanomyces, cork, Santa Rosa JC, sensory science, Volatile Acidity, Wine, wine faults, winegrowing

I’ll be teaching Wine 123: Causation and Detection of Wine Defects at Santa Rosa JC next semester (Spring 2020). Check out our video courtesy of the Distance Learning department’s Emily Hansen –

Thickheaded Somms: Examining the neuroscience behind expert wine tasting

December 28, 2018 deborahparkerwong Blind Tasting, Books, Research, sensory science, SOMM Journal, Wine, wine faults

Among our many activities, wine professionals devote a considerable amount of time to perception, the state of being where we become aware of something through the senses.