prov:value
| - In this patent, the conventional dry egg yolk solid was treated with a solvent, primarily with the non-polar solvent such as hexane, cyclohexane, heptane, tetrachloroethylene, or the like, or with the mixture of these non-polar solvents with the polar solvents such as ethyl alcohol, acetone, dioxane, and other solvents of the same type.
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