cultured buttersour cream or butter milk.
No, butter is not a metal. It is made from fresh or fermented cream or milk.
Ice cream is not fermented. "Fermented" is the process of letting beneficial yeasts grow in foods, in order to enhance taste/provide leavening. Breads and alcohol, for example. Ice creams are not fermented. Some people do leave the "creme anglaise" stage of the ice cream in the fridge for a day to develop flavor before it is frozen and churned, however this is very different to 'fermenting'.
There are many: Sour cream, cottage cheese (and all other forms of cheese), yoghurt, kumis (fermented mares milk). kefir
benefit of water in fermented food
Lager beers are bottom fermented.
They are both fermented. Wine is just fermented fruit while vinegar can be just about anything fermented with a few added chemicals.
Miso is fermented pureed soy beans. You can also get them whole.
agent that absorbs oxygen
Vegetables do not naturally ferment, but can be fermented at home with the aid of vinegar and other ingredients. Some vegetables that can be fermented are kale, cabbage, beets, and peppers.
Sake is made from fermented rice, not grain. The fermentation process converts the starches in the rice into sugars, which are then fermented into alcohol by yeast.
No. Rum is fermented and distilled sugarcane. Tequila is fermented and distilled agave.