Avanti Polar Lipids

700 Industrial Park Drive
Alabaster, AL 35007
1-800-227-0651 or 205-663-2494
Fax 1-800-229-1004 or 205-663-0756
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Natural Products

Phosphatidylinositol (Sodium Salt)

Purity >99%

Source	M.W.*	Catalog Number
Bovine, Liver	909.12	840042	Product Data

Source	M.W.*	Catalog Number
Plant, Soybean	857.05	840044	Product Data

Specifications
TLC:	One phosphorus positive spot; ninhydrin negative.
GC:	Conforms to appropriate standard
HPLC:	>99% diacyl compound

Solubility
Soluble:	Chloroform
Insoluble:	Ethanol, Acetone, Water

Stability
Storage:	-20^oC
Shelf Life:	3 Months

Preparation
Phosphatidylinositol products are isolated from commercial soybean phospholipids and bovine liver extracts. Purification of the phosphatidylinositol is by high-pressure column chromatography on a variety of solid supports. The products are washed with EDTA and sodium chloride to remove excess calcium and produce the sodium salt of the compound.

Notes
*Molecular weight based on:

Liver PI 18:0-20:4

Plant PI 16:0-18:2

Reference
Gavizon A. & Paphadjopoulos, D., (1992), "The Role of Surface Charge and Hydrophilic Groups on Liposome Clearance in vivo," Biochim Biophys Acta 1103, 94-100.

See The Phosphatidylinositol PIP Page for Brain PI

Fatty Acid Content of Tissue-Derived Phosphatidylinositol