| 单词 | foaming agent |
| 释义 | Foaming Agentfoaming agent[′fōm·iŋ ‚ā·jənt]Foaming Agent(also frothing agent), a material that facilitates the foaming of liquids and imparts stability to foams. Typical foaming agents include saponins, soluble proteins, soaps, and soaplike surfactants. foaming agentfoaming agentfoaming agentFood industryA substance added to liquid foods that facilitates the formation of foam or bubbles in drinks (e.g., instant chocolate milk). Foaming agents • Surfactants—e.g., sodium laureth sulfate, a detergent which reduces surface tension, making it easier to convert a liquid to foam and/or increases its colloidal stability by reducing the coalescence of bubbles; these are found in soaps, shampoos and toothpastes. • Blowing agents, which provide the gas for the foam either because they are gases at a certain temperature (e.g., CO2, CFC), or because they generate gases due to a chemical reaction (e.g., baking powder, isocyanates). |
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