Generally soak herbs with the proportion of wine in 10:1 or so, a catty of white wine can soak 50 grams of goji berries, alcohol adjusted at 40 degrees or so, soak 20 days after you can drink, drink can be added in moderation some sugar flavoring.
According to the above ratio, a pound of black wolfberries need to soak ten pounds of white wine, too much or too little effect is not good.