The skin of the apple is unusually rich in nutrients, and even if the recipe you've chosen requires peeled apples, consider leaving the skins on to receive the unique benefits found in the skins. Ideally, of course, choose organic apples to avoid problems related to pesticide residues and other contaminants on the skins. If you cannot obtain organic apples, and you are willing to accept some level of risk related to consumption of residues on the apple skins, we believe that it can still be a good trade-off between nutrients and contaminants if you leave the skin of the apple intact and eat the apple unpeeled. Just be sure to thoroughly rinse the entire apple under a stream of pure water while gently scrubbing the skin with a natural bristle brush for 10-15 seconds.
To prevent browning when slicing apples for a recipe, simply put the slices in a bowl of cold water to which a spoonful of lemon juice has been addedFor use in future recipes, sliced apples freeze well in plastic bags or containers.
There's an important loss of nutrients that usually occurs when apples are processed into applesauce, and an even greater loss when they are processed into juice. Some types of processing are easier on nutrients than others, but in general, apple sauces require boiling of apples and apple juices require some extraction of pulp. In all cases, the more apple that can be retained, the better the resulting nourishment. Processing can take a special toll on polyphenols. We've seen recent studies where only 10% of the flavonols and 3% of the catechins from the original apples remained present in the processed apple juice, Even chlorogenic acid (one of the more stable polyphenols in apples) tends to be decreased by at least 50% during the processing of whole apples into juice.
Obviously, there are exceptions to these generalized findings. For example, it is possible to put whole apples into a powerful blender and consume the resulting juice. In this case, very little if any of the nutrients are lost. However, this type of blending is not used in the commercial production of apple juice. Commercial apple juices are typically either "clear" or "cloudy." Clear apple juices have the vast majority of the apple pomace (pulpy apple solids) removed. Cloudy apple juices typically retain some of these pulpy solids because even though the pulpy solids have been removed from the juice through pressing and filtering, they are added back in at some designated level. When purchasing apple juice, always choose cloudy juices if possible.
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