The Natural Waxy Layer: Nature’s Shield
Apples naturally produce a waxy coating on their skins, which serves important functions:
Moisture Retention: It helps the apple stay juicy and prevents it from drying out.
Protection from Pests and Disease: The wax acts as a barrier against insects, bacteria, and fungi, safeguarding the fruit while it’s on the tree and during storage.
Gas Exchange Regulation: The wax helps manage the apple’s respiration process, crucial for ripening.
This natural wax is made up of a mix of esters, alcohols, and fatty acids produced by the apple’s skin, varying based on the apple variety and growing conditions.
The Grower's Touch: Enhancing Nature
After apples are harvested and washed to remove dirt and residues, much of their natural wax is stripped away. To protect the fruit, growers apply a thin layer of food-grade wax.
This added wax:
Prolongs Shelf Life: It seals in moisture, keeping the apple fresh during transport and storage.
Enhances Appearance: The wax gives apples that glossy, appealing finish.
Maintains Quality: It helps protect the apple from bruising and surface damage.
These waxes are derived from natural sources like carnauba wax, beeswax, or shellac, and they’re safe to eat—approved by regulatory bodies like the FDA.
Is the Wax Safe?
Yes, the wax is safe to eat! It’s non-toxic and passes through your system without being absorbed. If you’d rather not eat it, simply peel the apple, though this will also remove some nutrients found in the skin.
Conclusion: A Perfect Partnership
The waxy layer on apples is a great example of nature and human intervention working together. While apples naturally produce their own protective wax, the extra layer added by growers ensures that the apples you pick up at the store are fresh, tasty, and ready to enjoy.