In brewing this test is generally used to check on the degradation of starch to dextrins and malt sugar. Iodine turns from a yellow to dark blue, purple or red with various starches and dextrins, but [..]

The penetration of a liquid or solid into or through another liquid or solid, the particles that are absorbed being molecular or micellar in size. A few solid bodies have the power of taking up or abs [..]

A hydrogen containing substance which will dissociate on solution in water to produce one or more hydrogen ions (H+).

The plumule in germinating grain.

Unmalted grain, sugars or syrups used in brewing.

The adhesion, in an extremely thin layer of the molecules of gases, of dissolved substances, or of liquids, to the surfaces of solid bodies, with which they are in contact.

Referring to bacteria and other forms of life which require oxygen to live.

Needing oxygen for growth.

The water soluble colloidal carbohydrate of the red seaweed, Gelidium; forms gels with as little as one part to 500 of water. It is used in preparing bacteriological media.

Any of a series of organic compounds containing one or more hydroxyl OH) groups.