Studies on Utilization of Lactose. Especially for Surface Active Agent

Lactitol, prepared by reduction of lactose, was transesterified successfully with a series of fatty methyl esters with the aid of alkaline catalysts at 90 C. This was in marked contrast to previous experiences with lactose. Lactitol laurate, palmitate, stearate, and tallowate were prepared in this manner. Their surface-active properties, such as detergency, emulsification time, and lime soap dispersant requirement, were comparable to those of corresponding lactose derivatives. Addition of ethylene oxide to the esters was accomplished under conditions of alkaline catalysis and elevated temperatures, Surface-active properties of the oxyethylated derivatives were compared with those of the unoxyethylated esters described above. The improvement in surface-active properties is ascribed primarily to an increase in water solubility. Biodegradation studies under aerobic conditions showed that the rate of degradation of lactitol and lactose palmitates equalled or exceeded that of sodium hexadecyl sulfate.

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Lactose‐derived surfactants: II. Fatty esters of lactitol

Scholnick

Ben‐Et

Sucharski

et al. 1975

J Americ Oil Chem Soc

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Myristoyl esters of lactose

Munavu

Nasseri-Noori

Szmant

1984

Carbohydrate Research

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Studies on Utilization of Lactose. Especially for Surface Active Agent

Cited by 2 publications

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Lactose‐derived surfactants: II. Fatty esters of lactitol

Lactose‐derived surfactants: II. Fatty esters of lactitol

Myristoyl esters of lactose

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