Film Yeast – Flor – Pellicle

Mālus Trivium Page Top

A layer or film formed by yeast on the top of hard cider when exposed to oxygen during storage. So you open the lid to your bucket or peer through the glass of your carboy and what do you find, some gnarly looking whitish film, crust, or even little island floating on the surface. What … Continue reading Film Yeast – Flor – Pellicle

Acetic Acid: How Cider Becomes Vinegar

When cider becomes vinegar - acetic acid

Can hard cider go bad? You know, can cider spoil? I often see posts about someone who found an old bottle of cider they forgot and the question often asked is whether it’s safe to drink. The answer is usually, yes, it’s safe to drink. That is because hard cider won’t really spoil, it simply … Continue reading Acetic Acid: How Cider Becomes Vinegar

Alternative Cider Yeast: Hanseniaspora uvarum Overview

Alternative Cider Yeast: Hanseniaspora uvarum

This is the second of the non-Saccharomyces cerevisiae yeast that I plan to explore next season. In my first post on alternative yeast for hard cider, I covered Lachancea thermotolerans. A yeast that was misclassified for over 70 years before being identified through gene sequencing in 2003. This post is about Hanseniaspora uvarum, which is … Continue reading Alternative Cider Yeast: Hanseniaspora uvarum Overview

Common Acids in Hard Cider

Apples and Acids: The common acids in hard cider

Apple and pear juice contain a variety of organic acids. Even sweet apples with high pH like Red Delicious and Ambrosia are still acidic. They won’t contain the same quantity as a tart and sharp Granny Smith or bittersharp cider apple, but they contribute to the hard cider flavors. When I assess apples for hard … Continue reading Common Acids in Hard Cider