| The unsaturated glucuronyl residues released by the action of the unsaturated glucuronyl hydrolases are nonenzymatically converted to keto acids. |
| Vegetable fats and oils with a high proportion of unsaturated fatty acids are to be preferred. |
| 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. |
| In common with all unsaturated hydrocarbons hydrogen can be added across the double bond to produce ethane. |
| In contrast, unsaturated fats don't have the same detrimental effect on cholesterol levels. |
| Foods that are rich in unsaturated fats include oily fish, avocados, nuts and sunflower, rapeseed and olive oils. |
