Yeast Survival Factors: The Impact to Cider Fermentation Yeast Survival Factors are also commonly referred to as oxygen substitutes(1) or anaerobic growth factors(2). These are compounds that ensure yeast viability under stress and ultimately, the survival of the yeast. The compounds include sterols, fatty acids, and peptides. You might be thinking that Yeast Survival Factors … Continue reading Cider Words: Yeast Survival Factors →