How much do you know about PINKING wines?

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1. The phenomenon called pinking :
2. Stationing on fine lees or inactive yeast:
3. The defect manifests itself:
4. Which active ingredient is most effective against pinking ?
5. Reduction winemaking:
6. Which of these factors favors the formation of pinking :
7. To evaluate the susceptibility of a must or wine to pinking :