Carotenoids are natural pigments that are essential to microbial, plant, and animal life. In photosynthetic organisms, they act as potent antioxidants that negate the lethal effects of singlet ...

While leaves are growing ... eventually all the chlorophyll is destroyed,” per the Forest Service. “The carotenoids and ...

The green color in leaves comes from a pigment called chlorophyll ... This allows other pigments in the leaf, such as carotenoids (which produce yellow and orange hues) and anthocyanins (which ...

Soon after, the process of leaves falling off trees happens ... allowing less concentrated chemicals such as anthocyanin and carotenoids to dominate, turning the leaf red, yellow or orange." ...

The U.S. Forest Service states that the largest reason for leaves changing colors is sugars stored by trees. There are three ...

Here is how they each work: Leaf Pigments: Leaves contain several pigments, and their relative presence determines color: Chlorophyll: Responsible for green color. As days shorten and temperatures ...