Perry a group of esters that affords them their prominent pear aroma. Another important attribute of perry pears that distinguishes them from cider apples is their relatively higher content ratio of sorbitol to other sugars, such as fructose. Because sorbitol is not readily fermented by yeast, it is not converted to ethanol, and perry therefore tends to have more residual sugar than cider produced from the fermentation of apples. In addition to producing a sweeter beverage, sorbitol also contributes to increased body and a softer mouthfeel in the finished perry. Compared to apples, pear pressing is made more difficult by the
Cider in the United Kingdom allow limited dilution after fermentation. CAMRA states that the practice of adding a substantial amount of sugar at the fermentation stage to produce a high-alcohol (12–14% abv) beverage that is then diluted with water down to 8.5% abv or less does not conform to their definition of real cider. Some traditional cider enthusiasts consider this requirement is insufficiently strict and prefer ciders made wholly from apple juice, using apple peel as the source of yeasts. More leniently, UK law defines cider as containing at least 35% apple or pear juice, which may be from concentrate. The gap between the legal