L-TryptophanAn essential amino acid.

with a particular activity against Gram-negative bacteria

in large quantities by utilizing the bacterium Escherichia coli

Supports seed fermentation

as well as in a mixture with Penicillin and Streptomycin

See 'The role of activated charcoal in plant tissue culture' on PubMed

If using for cell culture

Contains MS medium (SKU 30630067) but 1/2 concentrations of vitamins

Cetyltrimethylammonium bromide

Hoagland Medium is used on plants that are grown in Vermiculite

Transfer supernatant to a 15 ml conical centrifuge tube kept on ice

One unit will liberate 1 µmol per minute of Galacturonic acid from Polygalacturonic acid

Iron(III) citrate