Table 3.

Chemical constituents identified in the fractions of white mulberry fruits using ultra-high-performance liquid chromatography-quadrupole-time-of-flight-high-resolution mass spectrometry (UHPLC-QTOF-HRMS).

Fractions	Compound	Formula	Theoretical (m/z)	Experimental (m/z)	Adduct	Δ (ppm) a
Hexane	Ar-Turmerone	C15H20O	217.1592	217.1585	M + H	−3.22
	(2S,4aR,4bR,6aR,8S,10aR,10bR,12aS)-8-(Acetyloxy)hexadecahydro-2,4a,4b,7,7,10a-hexamethyl-2-(3-oxobutyl)-1(2H)-chrysenone	C30H48O4	473.3631	473.3621	M + H	−2.11
	Stigmasterol	C29H48O	413.3783	413.3779	M + H	−9.68
Methylene chloride	Odisolane	C8H14O4	175.097	175.0979	M + H	5.14
	3-Benzofurancarboxyaldehyde	C9H6O2	147.0446	147.0437	M + H	−6.12
	Loliolide	C11H16O3	197.1172	197.1178	M + H	3.04
	(R)-5-Hydroxypyrrolidin-2-one	C4H7NO2	102.0547	102.0555	M + H	7.84
	Methyl R-pyroglutamate	C6H9NO3	144.0661	144.0655	M + H	−4.16
	Indole	C8H7N	118.0657	118.0646	M + H	−9.32
Ethyl acetate	Quercetin	C15H10O7	303.0505	303.0499	M + H	−1.98
	Kaempferol	C15H10O6	287.0556	287.0549	M + H	−2.44
	Luteolin	C15H10O6	287.0556	287.0546	M + H	−3.48
	Astragalin	C21H20O11	449.1084	449.1082	M + H	−4.45
	Taxifolin	C15H12O7	305.0661	305.0656	M + H	−1.64
	Morrole A	C14H21NO5	284.1498	284.1489	M + H	−3.17
	Methyl chlorogenate	C17H20O9	369.1186	369.1181	M + H	−1.35
n-Butanol	Quercetin 3-O-β-glucoside	C21H20O12	465.1033	465.1028	M + H	−1.08
	Kaempferol 3-O-β-rutinoside	C27H30O15	595.1663	595.1659	M + H	−6.72
	Rutin	C27H30O16	611.1612	611.1609	M + H	−4.91
	Butyl L-pyroglutamate	C9H15NO3	186.113	186.1127	M + H	−1.61

^a Deviation of measured m/z from calculated m/z values for a pseudomolecular ion generated from the molecular formula.