An Apple That Never Browns
buzzfeed.com
buzzfeed.com
People do awesome things with vegetable hormones since decades ago. We probably have eaten "evergreen" apples yet. Perfect look, skin surface and colour. The bad things is that they are much less tasty inside because those chemically treated fruits burn its sugar to remain "young" and green more time.
In the other thing, you can achieve exactly what this apple claims to do with lemon juice, or any other soft acid. Are those apples more acid than other? If so they are not so good as dessert fruit