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My Lipid Was In Solution At Room Temperature, But When I Took The Sample Out Of The Freezer There Was A Precipitate In The Vial. Is There Something Wrong With My Lipid?

Some products manufactured by Avanti are readily soluble in organic solvents at room temperature but precipitate when stored at lower temperatures. The product should become soluble when removed from the freezer and warmed to room temperature. Some long chain, saturated lipids may require heating the organic solution to 30-40°C.