| Thus conjugation can occur in molecules in which the unsaturated sites are close in space but are separated by more than a single covalent bond. |
| Conversely, unsaturated fatty acids have one or more double bonds between carbon atoms in their chains. |
| When unsaturated organic compounds are used as the starting point the alcohol is made by the addition of water to the double or triple bond. |
| And you can have some unsaturated fats like salad dressing, cooking oil, nuts, and avocado. |
| Oils high in naphthene also contain more impurities such as phytotoxic aromatic and unsaturated hydrocarbons. |
| Vegetable fats and oils with a high proportion of unsaturated fatty acids are to be preferred. |
