It could be just a couple of bad burns or it could be just years of golfing in shorts without much sunscreen.
18+ Brown Spots On Lettuce. If you've noticed some brown spots on lettuce you just bought, you might be wondering if it's safe to eat. But if all you're seeing on your lettuce is a few brown spots or streaks, you can feel confident about digging in.
Brown dots on your lettuce, especially along the lower parts of the ribs what it is: One problem that occurs on tongue is hairy, hairy tongue common in adults and usually caused by poor oral health. Ethylene causes the lettuce to produce certain compounds, which leads to those brown spots.
The lettuce is still safe to eat, though make sure to give it a good rinse.
Do you have brown spots on teeth near gums? The most common reason for browning on lettuce is a chemical process known as oxidation. I was reluctant to buy it, even though i like a bargain, because of these spots. This is a red leafed lettuce just starting to show its colors.