2010
DOI: 10.1021/jf102042g
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Characterization of Phenolic Composition in Lamiaceae Spices by LC-ESI-MS/MS

Abstract: A total of 38 phenolic compounds in the solid/liquid extracts of five Lamiaceae spices, rosemary, oregano, sage, basil, and thyme, were identified in the present study using LC-ESI-MS/MS. These compounds were distributed in four major categories, namely, hydroxycinnamic acid derivatives, hydroxybenzoic acid derivatives, flavonoids, and phenolic terpenes. Among them, the category of flavonoids was the largest, with 17 compounds. Identification of the phenolic compounds was carried out by comparing retention tim… Show more

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Cited by 381 publications
(340 citation statements)
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“…The maximum UV absorption of characteristics of rosmarinic acid was 328 nm in comparison with standard 329 nm, and ESI-MS showed the molecular ion peak [M-1] − at m/z=359 (Fig. 5) and base peak at m/z=161, Also appear other peaks at m/z 197 and 179 of two main constituents of RA: 2-hydroxyl derivative of hydro CA and CA, respectively, this pattern of fragmentation compared with those data reported previously [24].…”
Section: Spectrometric Analysissupporting
confidence: 59%
“…The maximum UV absorption of characteristics of rosmarinic acid was 328 nm in comparison with standard 329 nm, and ESI-MS showed the molecular ion peak [M-1] − at m/z=359 (Fig. 5) and base peak at m/z=161, Also appear other peaks at m/z 197 and 179 of two main constituents of RA: 2-hydroxyl derivative of hydro CA and CA, respectively, this pattern of fragmentation compared with those data reported previously [24].…”
Section: Spectrometric Analysissupporting
confidence: 59%
“…Structure elucidation of the additional compounds in this group was not possible due to the low amounts produced in yeast. However, based on the similarity of their mass spectra with that of 1, and the fact that oxidized C-20 of the labdane skeleton is labile and frequently undergoes elimination during GC-MS analysis (42), it is likely that these are the corresponding C-20 aldehyde and alcohol intermediates. The second group of compounds included two peaks exhibiting strong 348 and 430 m/z fragment ions, which are characteristic of 8 (SI Appendix, Fig.…”
Section: Resultsmentioning
confidence: 99%
“…Quercetin has been previously detected in rosemary, oregano, sage, bay, thyme (Hossain et al, 2010) and marjoram (Baâtour et al, 2012), but not in nutmeg, dill, caraway and turmeric (Shan et al, 2005).…”
Section: Characterization Of Phenolic Compounds By Hplc-ltq-orbitrap-msmentioning
confidence: 99%