<unk>  (beta-Amanitin) is a cyclic peptide comprising eight amino acids. It is part of a group of toxins called amatoxins, which can be found in several mushrooms belonging to the genus Amanita. Some examples are the death cap (Amanita phalloides) and members of the destroying angel complex, which includes A. virosa and A. bisporigera. Due to the presence of<unk> ,<unk> ,<unk>  and<unk>  these mushrooms are highly lethal to human beings. Amanita phalloides
Β-Amanitin
Γ-Amanitin
Α-Amanitin
Niquitin
Lime 
Titratable acid
Trephine
Urobilinogen