The China Consumers Association released a consumer advisory stating that pre-cut fruits are prone to nutrient loss and bacterial contamination, and consumers should purchase them sparingly. Cut fruits easily lose vitamin C.
Cut fruits easily lose vitamin C. Vitamin C is susceptible to oxidation in the air, and high temperatures and sunlight can also cause its loss. The UK Consumers Association conducted a study testing the vitamin C content of pre-packaged, cut fruits sold in supermarkets. The results found that in 13 samples, 4 had vitamin C content that was half of the level recorded in reference books.