. 2022 Jul 18;11(14):1871. doi: 10.3390/plants11141871

Table 1.

LC-HRESIMS analysis of OM extract.

Experimentally Accurate m/z	Theoretically Accurate m/z	Quasi-Form	Suggested Formula ^a	Tentative Identification ^b
302.0791	302.0790	[M+H]⁺	C₁₆H₁₄O₆	Hesperitin
347.0762	347.0760	[M+H]⁺	C₁₇H₁₄O₈	Rosmarinic acid
272.0893	272.0896	[M+H]⁺	C₁₂H₁₆O₇	Arbutin
457.3670	457.3673	[M+H]⁺	C₃₀H₄₈O₃	Oleanolic acid
456.3605	456.3603	[M+H]⁺	C₃₀H₄₈O₃	Ursolic acid
170.0217	170.0215	[M+H]⁺	C₇H₆O₅	Gallic acid
181.0495	181.0497	[M+H]⁺	C₉H₈O₄	Caffeic acid
164.0471	164.0473	[M+H]⁺	C₉H₈O₃	P-Coumaric acid
194.0578	194.0579	[M+H]⁺	C₁₀H₁₀O₄	Ferulic acid
270.0529	270.0528	[M+H]⁺	C₁₅H₁₀O₅	Apigenin
164.0812	164.0815	[M+H]⁺	C₁₀H₁₂O₂	Trans-2-Hydrocinnamic acid
392.1108	392.1107	[M+H]⁺	C₁₉H₂₀O₉	6-O-4-Hydroxybenzoylarbutin
290.0792	290.0790	[M+H]⁺	C₁₅H₁₄O₆	Catechin
611.1606	611.1609	[M+H]⁺	C₂₇H₃₀O₁₆	Rutin
302.0427	302.0426	[M+H]⁺	C₁₅H₁₀O₇	Quercetin
539.0974	539.0975	[M+H]⁺	C₃₀H₁₈O₁₀	Amentoflavone
449.1079	449.1077	[M+H]⁺	C₂₁H₂₀O₁₁	Luteolin 7-O-β-D-glucoside
360.1905	360.1907	[M+H]⁺	C₂₁H₂₈O₅	7-Methoxyepirosmanol
611.1973	611.1972	[M+H]⁺	C₂₈H₃₄O₁₅	Hesperidin
286.0476	286.0477	[M+H]⁺	C₁₅H₁₀O₆	Luteolin

^a High-resolution electrospray ionization mass spectrometry (HRESIMS) using XCalibur 3.0 and allowing for M+H/M+Na adduct. ^b The suggested compound according to the Dictionary of Natural Products (DNP 23.1, 2021 on DVD) and Reaxys online database.