LONG-TERM STABILITY STUDIES ON STORED GLYCEROL MONOSTEARATE (GMS) - EFFECTS OF RELATIVE HUMIDITY.

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作者
Robbins, S.James [1 ]
Nicholson, Sherry H. [1 ]
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[1] Witco Corp, Memphis, TN, USA, Witco Corp, Memphis, TN, USA
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CHEMICAL REACTIONS - Hydrolysis;
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摘要
The long-term hydrolysis and isomerizations that occurred in commercial glycerol monostearate (GMS) have been studied under controlled low relative humidity (ca. 30%) and high relative humidity (ca. 90-100%). Acid number values increased 2-3 units over an 84-day period in high relative humidity, and only 0. 5 unit in low humidity. Changes in the total alpha -monoglyceride, beta -monoglyceride, alpha , alpha prime - and alpha , beta -diglyceride concentrations with time offered a method to observe the processes involved.
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页码:120 / 123
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