Research Article

Ultrasound-Assisted Extraction of Bioactive Compounds from Annatto Seeds, Evaluation of Their Antimicrobial and Antioxidant Activity, and Identification of Main Compounds by LC/ESI-MS Analysis

Figure 2

(a) Bioactive compounds identified in annatto seeds extract by LC/ESI-MS analysis. (b) Experimental MS2 spectrum of the ion at m/z 394.22169 with the predicted structures of the ion at m/z 395.22070 arising from bixin (6-Methyl hydrogen (9Z)-6,6′-diapocarotene-6). (c) Structures of polyphenol compounds identified from the annatto seeds extract.

(a)
(b)
(c)