NationMaster - Encyclopedia: Diacylglycerol

Diacylglycerol (DAG) is a second messenger molecule made by phospholipase C (a membrane-bound enzyme), together with inositol triphosphate. Although inositol triphosphate diffuses into the cytosol, diacylglycerol stays close to the plasma membrane, due to its hydrophobic properties.

Diacylglycerol has two major functions in the cell:

as a source for prostaglandins
stimulation of protein kinase C

Results from FactBites:

FDA/CFSAN: Agency Response Letter: GRAS Notice No. GRN 000115 (1207 words)
	Diacylglycerol oil is composed of greater than 80 percent diacylglycerol as a mixture of 1,3-diglyceride and 1,2-diglyceride at a ratio of 7:3.
	The method of manufacture of diacylglycerol oil (which includes the enzyme-catalyzed esterification of fatty acids derived from natural edible plant oils and either monoacylglycerol or glycerol) and the specifications for food-grade diacylglycerol oil are the same as presented in GRN 000056.
	ADM-Kao estimates that the expected consumption of diacylglycerol oil from its current use in edible oil and spread range from approximately 0.2 to 0.4 grams/kilogram body weight/day (g/kg bw/d) at the 90th percentile.

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