The choice of closure, whether cork or screw cap, significantly impacts the oxidation rate and aging potential of wine. Natural cork is a porous material, allowing for a slow and gradual ingress of oxygen into the bottle over time. This micro-oxygenation can be beneficial for long-term aging, promoting tannin polymerization, softening the wine's structure, and developing complex aroma compounds. However, the oxygen transmission rate (OTR) of cork can vary significantly depending on the cork quality, density, and seal. Poor-quality corks with defects or inconsistencies can allow for exces....
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