if Rosa roxburghii is soaked in wine, you can also add some medlar, ginseng, crystal sugar, etc., or soak in wine together with other materials according to the formula, for example,

the formula (for reference only) is 5g Rosa roxburghii, 2g Lycium barbarum, 5g American ginseng tablets, 1g crystal sugar, and 5L

The above materials are soaked in white wine and sealed. And glass, ceramics will not produce the above situation, white wine, the degree between 55 and 6 is appropriate #