QUALITY AND AUTHENTICITY OF SEA BUCKTHORN BERRY OILS ...

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GC-FID Phytosterols fingerprintSterols Retention times (Rt) mg / 100 g oilIS 5α- cholestane-3β- ol 13.751MAJOR STEROLS in SBO/SFO1 Campesterol 16.112 13.533 β-Sitosterol 18.877 610.2334 Δ5-Avenasterol 19.462 73.7816 Cycloartenol 21.305 40.0547 24-Methylenecycloartanol 23.521 37.2015 α-Amyrin 21.173 23.6788 Citrostadienol 25.402 23.365MINOR STEROLSClerosterol 18.011 5.289Campestanol 16.587 tracesStigmasterol 17.6 tracesTOTAL 815.117
HPLC-MS tocopherols and tocotrienolsSBOα-tocopherolβ- tocopherolγ- tocopherol∆- tocopherolTotaltocopherolsα-tocotrienolγ - tocotrienol∆- tocotrienolSBO917.24836Traces953.2 ppmTocotrienols20.721.63.8Total tocotrienols 46.1 ppm 0SFO5956.2721.6411.07633.98 ppm000SBVO:more rich in tocopherols than SBOEasy to identify adulteration with SFO(no tocotrienols)Degradation of tocopherols (15-25%)by thermal/UV treatments / irradiationTocopherols=good markers of quality
Page 3 and 4: Aims and objectives‣To find appro
Page 6 and 7: SB oils treatments and formulations
Page 8 and 9: UV-VisVis Spectrometry: fingerprint
Page 12 and 13: HPLC Carotenoid fingerprintSBO-rawE
Page 14 and 15: FT-MIR: Thermal and UV stabilityA.
Page 16 and 17: NMR- 1 H applied for oil fingerprin
Page 18 and 19: NMR- 1 H: Thermal and UV stabilityN
Page 20 and 21: NMR- 13 C: Thermal and UV stability
Page 22 and 23: CONCLUSION (II)‣We used both spec
Page 24 and 25: USAMV Cluj-Napoca, Romaniawww.usamv
Page 26: 2007new EU member275.000 km 222.000

QUALITY AND AUTHENTICITY OF SEA BUCKTHORN BERRY OILS ...

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