1. Most of the vanilla extract for kitchen use is one fold; for industrial use you go into 2, 3, 4 folds etc. To make one gallon of pure extract you need about 13.35 ounces of vanilla beans; to make 2 fold you need twice as much an so on, 35% alcohol and water (alcohol evaporates when you bake).
1. ... as regards the aid for the production of green vanilla and the aid for the production of essential geranium and vetiver oils, an approval mechanism, firstly for preparers of dried vanilla or vanilla extracts, and secondly for local collecting and marketing bodies ...