. 2023 Apr 6;28(7):3267. doi: 10.3390/molecules28073267

Table 1.

Measured theoretical and accurate masses of the targeted carotenoids in C. racemosa by Orbitrap-MS.

Observed Compounds	RT (min)	Selected Ion	Observed MW	Peak	PubChem CID	Molecular Formula	* CAS Number
Fucoxanthin	16.55	[M + H–H₂O]⁺	658.8780	1	5281239	C₄₂H₅₈O₆	3351-86-8
Lutein	19.20	[M + H–H₂O]⁺	568.4237	2	5281243	C₄₀H₅₆O₂	127-40-2
Astaxanthin	20.15	[M + H]⁺	596.5901	3	5281224	C₄₀H₅₂O₄	472-61-7
Canthaxanthin	22.31	[M + H]⁺	564.7006	4	5281227	C₄₀H₅₂O₂	514-78-3
Zeaxanthin	21.18	[M]⁺	568.7206	5	5280899	C₄₀H₅₆O₂	144-68-3
β-Cryptoxanthin	23.70	[M]⁺	552.8836	6	5281235	C₄₀H₅₆O	472-70-8

RT: Retention time (minutes); MW: molecular weight; * CAS: Chemical Abstracts Service from the literature. CAS number for β-carotene: 7235-40-7. PubChem CID for β-carotene: 5280489.