Market research has consistently shown that consumers prefer cork. They value it as a natural and environmentally friendly closure. They appreciate its traditional association with wine and the fact that it allows the wine to develop interesting and complex characters over time.
Even in Australia were screwcaps are more common consumers still overwhelming associate cork with wine for special occasions and associate screwcaps with cheaper wines.
Winemakers should take care before risking that special association with cork and the rituals of wine that set wine apart from other beverages.
Winemakers have begun to use screwcaps, especially on fresh aromatic and quick drinking wines, but most also use cork.
As well as concern about suphide like odours, many winemakers have expressed caution about their suitability for wines with greater complexity.