Open Access
Review
Table 1
The “chemistry of indexes” parameters and related meaning.
| Index | Nowadays |
|---|---|
| Refractive index | Unsaturation degree still used |
| Halphen reaction sterculic acid (Malvaceae oils) | No more used, GC of FAMEs and sterols |
| Villavecchia-Fabris and Isodoro Pavolini reactions (In Italy, for Sesame oil) | No more used, GC of FAMEs and sterols |
| Saponification Index | Amount of fatty acids, no more used |
| Esters index | Amount of TAGs, no more used |
| Iodine number | Unsaturation degree still used |
| Thermosulphuric index | Unsaturation degree no more used |
| Acidity index | Quality, still used |
| Peroxide value | Quality, still used |
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