Water activity definition

Water activity means a measure of the free moisture in usable marijuana and is the quotient of the water vapor pressure of the substance divided by the vapor pressure of pure water at the same temperature, and is indicated by the symbol aw.

Water activity means the measure of the quantity of water in a product that is availableand therefore capable of supporting bacteria, yeasts, and fungi and which is reported in units Aw.

Water activity means any aquatic pursuit, including swimming, boating, canoeing, or water skiing.

Examples of Water activity in a sentence

• Water activity - Products such as powders with little or no water do not require as strong a preservative system as aqueous emulsions.

• The sample fails quality control testing for water activity if the results exceed the following limits:(i) Water activity rate of more than 0.65 aw for useable ((mari- juana)) cannabis;(ii) Water activity rate of more than 0.85 aw for solid edible products.(c) Foreign matter screening.

• Water activity is derived from fundamental principles of thermodynamics and physical chemistry.

• Water activity decreases with an increase in polyol level in tortillas (Suhendro et al, 1995) observed that addition of 4% glycerol reduced tortilla water activity from 0.93 to 0.9. It can be also seen from the Table 3.2 that propylene glycol (PG) and glycerol were more effective in decreasing water activity than were the other polyols.

• Water activity shall be determined not less than 4 days but not more than 14 days after baking to allow moisture equilibration in the product.

More Definitions of Water activity

Water activity means any activity during which children are exposed to swimming pools, water features, or other bodies of water, excluding water tables, wading pools or sprinklers, whether the children will be swimming, wading, playing or walking in the water, floating or boating on, or otherwise in, on or near a pool or body of water.

Water activity means a measure of the free moisture in a food, is the quotient of the water vapor pressure of the substance divided by the vapor pressure of pure water at the same temperature, and is indicated by the symbol "aw".Authority: O.C.G.A. Sec. 26-2-1, et seq.40-7-18-.03 Right of Entry(1) The Commissioner or his duly authorized agent shall have free access during all hours of operation and at all other reasonable hours to any factory, warehouse, or establishment in which food is manufactured, processed, packed, or held for introduction into commerce and any vehicle being used to transport or hold such foods to commerce for the following purposes:

Water activity means the unbound water in plant or food products that can support the growth of bacteria, yeasts and molds (fungi). Water activity represents the ratio of the water vapor pressure of the product to the water vapor pressure of pure water under the same conditions and it is expressed as a fraction.

Water activity means any activity during which children have access to swimming pools, water features, or other bodies of water, whether the children will be in, on, or near a pool or body of water.

Water activity means the ratio of water vapour pressure of a food to the vapour pressure of pure water at the same temperature and pressure.

Water activity. (aw) means a measure of free moisture in a food and is indicated by the symbol aw.

Water activity means a measure of the amount of moisture in a food available for bacterial growth. (HDR 28 § 1, 6-20-91)