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EnglishA Fast GC/MS method for plant sterols (PS) analysis was developed, using a capillary GC column coated with 5% diphenyl-polysiloxane. The main PS (beta-sitosterol, campesterol, stigmasterol, D5-avenasterol, campestanol and sitostanol) were well separated in 1.5 min, with a good peak resolution (R>1.4). Good repeatability (intraday RSD<7.3%, interday RSD<8.8%) and sensitivity (0.006-0.026 ng) were also achieved. Finally, the Fast GC/MS method for the determination of PS was tested on a PS-enriched food (milk). The analytical performance and significant reduction of the analysis time and consumables, demonstrates that Fast GC/MS could be also employed for the PS analysis in functional foods.
| Titolo: | Analysis of plant sterols in enriched food by Fast gas chromatography/mass spectrometry |
| Autore/i: | CARDENIA, VLADIMIRO; INCHINGOLO, RAFFAELLA; RODRIGUEZ ESTRADA, MARIA TERESA |
| Autore/i Unibo: | |
| Anno: | 2013 |
| Titolo del libro: | Book of Abstracts- 3rd MS Food Day |
| Pagina iniziale: | 220 |
| Pagina finale: | 221 |
| Abstract: | A Fast GC/MS method for plant sterols (PS) analysis was developed, using a capillary GC column coated with 5% diphenyl-polysiloxane. The main PS (beta-sitosterol, campesterol, stigmasterol, D5-avenasterol, campestanol and sitostanol) were well separated in 1.5 min, with a good peak resolution (R>1.4). Good repeatability (intraday RSD<7.3%, interday RSD<8.8%) and sensitivity (0.006-0.026 ng) were also achieved. Finally, the Fast GC/MS method for the determination of PS was tested on a PS-enriched food (milk). The analytical performance and significant reduction of the analysis time and consumables, demonstrates that Fast GC/MS could be also employed for the PS analysis in functional foods. |
| Data prodotto definitivo in UGOV: | 23-dic-2013 |
| Appare nelle tipologie: | 4.02 Riassunto (Abstract) |
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