설명(영) |
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This large and diverse class of materials is not defined chemically. Specific ingredients derived from biological sources are classified on the basis of their chemistry and are not included in this listing. The majority of the materials in this class are mixtures derived from plants (herbs, roots, flowers, fruits, or seeds), but some animal-derived materials are included. Lanolin and Lanolin Derivatives are described as a separate chemical class, as are the plant and animal-derived Proteins, Protein Derivatives, Carbohydrates, and Biological Polymers. Other biological ingredients are classified as Fats and Oils or Essential Oils. |