Elements in their standard state also have the same number of electrons as protons. Forms of an Element. Even though elements are all made from the same type of atoms, they can still come in different forms. Depending on their temperature they can be solid, liquid, or gas.
Tannins: Any of a broad group of plant-derived phenolic compounds characterized by their ability to precipitate proteins. Tannins are found in many fruits, berries, nuts, beans, beverages, breads, smokes, herbs and spices.They are in part responsible for the bitter, astringent tastes of black tea and many wines and beers.Phenolics (of which tannins are a subgroup) are found in perfumes, fragrances, paints, petroleum products, household and industrial cleaners, and many food dyes (both natural and artificial).hey are in part responsible for the bitter, astringent tastes of black tea and many wines and beers. Phenolics (of which tannins are a subgroup) are found in perfumes, fragrances, paints, petroleum products, household and industrial cleaners, and many food dyes (both natural and artificial).
It is a yellow to light brown amorphous powder which is highly soluble in water; one gram dissolves in 0.35 mL of water. While tannic acid is a specific type of tannin (plant polyphenol), the two terms are sometimes (incorrectly) used interchangeably. The long-standing misuse of the terms, and its inclusion in scholarly articles has compounded the confusion.