A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Escherichia coli metabolite
Any bacterial metabolite produced during a metabolic reaction in Escherichia coli.
Any nutrient required in small quantities by organisms throughout their life in order to orchestrate a range of physiological functions.
Any mammalian metabolite produced during a metabolic reaction in a mouse (Mus musculus).
(via L-alpha-amino acid )
Any metabolite produced by all living cells.
(via arginine )
A product in capsule, tablet or liquid form that provide essential nutrients, such as a vitamin, an essential mineral, a protein, an herb, or similar nutritional substance.
A substance used as an indicator of a biological state.