Results for: polyphenol

Does caffeine affect iron absorption?

No, caffeine directly affect the absorption of iron. It is the polyphenol compounds in coffee and tea that negatively affect iron absorption. Drinks containing polyphenol compounds should be avoided at least an hour prior to, and and hour after taking… Full Answer

Why do apples change color?

Apples change because oxidation, polyphenol oxidase (PPO) in the enzyme mix with air and turn it brown. There are ways to stop the process but just for a little. Full Answer

Browning of apples?

There is a chemical called polyphenol oxidase present in fruits, vegetables and most living things. It reacts with oxygen in the air to form dioxobenzene. Polyphenol oxidase + oxygen → dioxobenzene + water C6H4(OH)2 + O2 → C6H4O2 + H2O… Full Answer

What nutrients do apples contain?

Apples contain many nutrients that are needed for a healthy and well-balanced diet. These nutrients include flavonols, catechins, anthocyanin's, chlorogenic acid, phloridizin, and many other polyphenol nutrients. Apples also contain Vitamin C and fiber pectin. Full Answer

How does an apple turn brown?

Oxidation. Preparing it for decomposition. Apples, like other fruits, contain an enzyme called catecholase which facilitates the formation of catechol on the surface of bruised or cut apples. The catechol reacts with the oxygen in the air, producing the brown… Full Answer

Why does fruit turn brown?

all cells contain thousands of enzymes. These enzymes do all of the work necessary for the cell to live its life., the actual mechanism that causes browning in apples and potatoes involves an enzyme called polyphenol oxidase, also known as… Full Answer

What is Rooibos tea?

Rooibos Tea is a type of tea with Rooibos extract in it, a natural substance that supposedly gives you a slight energy boost. It is a red colored herbal tea made from fermented leaves of the South African bush Aspalathus… Full Answer