The simple answer to why apples brown after being sliced is polyphenols and oxygen. Polyphenols in the apple flesh oxidize and turn brown. That’s the shortest Mālus Trivium I have ever written! Well, maybe there is a little bit more to it. As with most things about apples and hard cider, the answer is often … Continue reading Why do apples turn brown?
The Source of Aroma Compounds In Hard Cider The aroma of hard cider is vital to its flavor and ultimately, it’s quality. If a cider has unpleasant or off-flavors, it can turn off potential drinkers or for home cider makers, the loss of bragging rights at your next get-together or family reunion. That aroma is … Continue reading Hard Cider Aroma Sources
I’ve talked about the color of hard cider and how the process for making wine can be used as a reference. This is because like wine, cider color can be influenced by the fruit as well as the process. In another post on hard cider color, I explored how to make what I call silver … Continue reading Exploring the Colors of Hard Cider
Fruit ripeness can impact a variety of compounds. Ripeness is usually associated with sweetness so confirming that apple cultivars have higher sugars and lower malic acid as they ripen(1), makes sense. It’s always good when what we think it logical is confirmed by science. However, I found it interesting that when O. Laaksonen and associates … Continue reading The Impact of Fruit Ripeness
Polyphenols: The peel and the core Polyphenols are also often called tannins. These compounds are most associated with the bitterness and astringency of hard cider but can also impact color and mouthfeel. There are several types of polyphenols including flavonoids and phenolic acids. Apples, like most fruit, concentrate polyphenols in the peel and the core … Continue reading Polyphenol Concentration in Apples