Blooming fruit
Question: Can somebody tell me what the bloom is on the skins of fruit such
as plums and grapes? How does it get there and what does it do?
Answer: The delicate powdery surface deposit, or bloom, that can be seen on
these fruit is formed by many similar varieties of wild yeast. Like all yeasts
and other organisms, they multiply by using sugars and nutrients in fruit as an
energy source. As far as humankind is concerned, their most important property
is that some of the wild yeasts are used to ferment sugar in fruit to make…
