What is the primary fermentation source in rum made from sugar cane juice?

The primary fermentation source in rum made from sugar cane juice is indeed yeast. Yeast is a crucial microorganism that converts the sugars present in the sugar cane juice into alcohol during the fermentation process.

In the context of rum production, the process typically begins with extracting juice from freshly harvested sugar cane. This juice contains natural sugars, which yeast ferments, resulting in alcohol. The fermentation from the sugar cane juice creates a wash that eventually becomes distilled to produce rum.

While molasses, another byproduct from sugar refining, and sugar itself are important in the production of different types of rum, the fermentation process relies primarily on yeast to convert the sugars into alcohol. Molasses can be fermented as well, but in this case, the question specifically refers to rum made directly from sugar cane juice. Water is also present in the process, but it does not serve as a fermentation source in producing alcohol.