How does oak aging influence wine texture and flavor, and what is the difference between new and neutral oak?

How does oak aging influence wine texture and flavor, and what is the difference between new and neutral oak?

• A. Oak adds tannin integration, vanilla/toasty flavors, and aromatic complexity; new oak contributes stronger oak character, while neutral (old) oak adds texture with less pronounced flavor
• B. Oak has no effect on texture or flavor
• C. Oak only adds color
• D. Oak always increases bitterness and decreases aroma

Answer: (A)