Rubbery, skunky , rotten egg or garlic/onion aromas are byproducts of sulfides, while a barnyard aroma results from a yeast spoilage organism called brettanomyces.

• 橡胶味，毛皮味，臭鸡蛋味或大蒜或者葱味是硫化物副产物，而霉味起因于酵母有机体损坏。