Bisphenol A (BPA) in canned foods is typically caused by the epoxy resin coating used to line the inside of the cans. This coating protects the metal from the acidic contents of the food and prevents reactions between the food and the can. However, BPA can leach from the epoxy resin into the food, especially when the food is heated or stored for long periods. BPA is a small molecule that can easily pass through the lining of the can.

Factors Affecting BPA Leaching

1. Type of Epoxy Resin Coating: Different coatings release varying amounts of BPA. Some are designed to release less BPA.
2. Food Acidity: Acidic foods are more likely to cause BPA leaching because the acid can break down the epoxy resin.
3. Storage Temperature: Higher temperatures can cause the epoxy resin to break down, releasing BPA into the food.
4. Storage Duration: The longer food is stored, the more BPA can leach into it due to prolonged contact with the epoxy resin.

Reducing BPA Exposure

1. Choose BPA-Free Canned Goods: Look for products labeled "BPA-free."
2. Avoid Microwaving Canned Goods: Microwaving can increase BPA leaching. Heat canned goods on the stovetop or in the oven instead.
3. Store in Cool, Dry Places: Avoid storing canned goods in direct sunlight or hot environments.
4. Consume Within Reasonable Timeframes: The longer canned goods are stored, the more BPA may leach.
5. Diversify Your Diet: Eating a variety of foods reduces exposure to any single contaminant, including BPA.

Kingstar's Commitment to Safety

At Kingstar, our canned food is strictly controlled from the source. All the lids of our empty cans and glass bottles are made of BPA-free coatings imported from Switzerland to ensure that the final product meets the requirements of EU laws and regulations.

Conclusion

By following these tips and choosing products from manufacturers committed to safety, like Kingstar, you can minimize your exposure to BPA from canned foods and better protect your health.