Sterols and flavonoids in strawberry calyx with free radical scavenging, anti-inflammatory, and molecular dynamic study

Beni-Suef University Journal of Basic and Applied Sciences

Table 1 GC/MS investigation of the lipoidal constitutions in F. ananassa calyx

Class	Peak No	Compound	Rt (min.)	Molecular formula	Molecular weight	Base peak	Relative area %	Total concentration (%)
Hydrocarbon	1	n-Dodecane	5.32	C₁₂H₂₆	170	57	1.57	27.45
	2	n-Tetradecane	5.90	C₁₄H₃₀	198	57	4.26
	3	Hexadecane	8.40	C₁₆H₃₄	226	57	4.78
	4	Octadecane	11.71	C₁₈H₃₈	254	57	3.74
	5	Nonadecane	13.54	C₁₉H₄₀	268	57	3.51
	6	Eicosane	16.54	C₂₀H₄₂	282	57	1.78
	7	n-Docosane	23.47	C₂₂H₄₆	310	57	4.85
	8	n-Tricosane	25.82	C₂₃H₄₈	324	57	2.96
Fatty alcohol	9	3-Methylbut-3-en-2-ol	13.96	C₆H₁₂O	100	41	1.89	31.51
	10	5-Methyl-1-heptanol	14.09	C₈H₁₈O	130	55	6.73
	11	8-Dodecen-1-ol	22.95	C₁₂H₂₄O	184	55	1.25
	12	3,7,11-Trimethyl-1,6,10-dodecatrien-3-ol	23.47	C₁₅H₂₆O	222	41	5.83
	13	9,12,15-Octadecatrien-1-ol	26.71	C₁₈H₃₂O	264	41	11.59
	14	Heneicosanol	28.01	C₂₁H₄₄O	312	55	2.14
	15	1-Pentacosanol	29.33	C₂₅H₅₂O	368	55	2.08
Ketone	16	6,10,14-Trimethyl-2-pentadecanone	25.80	C₁₈H₃₆O	268	43	1.57	1.57
Fatty acid	17	1,2-Benzenedicarboxylic acid	30.75	C₈H₆O₄	166	104	3.51	14.77
	18	n-Hexadecanoic acid	41.33	C₁₆H₃₂O₂	256	43	9.42
	19	Octadecanoic acid	43.10	C₁₈H₃₆O₂	284	43	1.84
Fatty acid ester	20	Hexadecanoic acid, methyl ester	32.11	C₁₇H₃₄O₂	270	74	2.37	4.97
	21	Hexadecanoic acid, ethyl ester	42.53	C₁₈H₃₆O₂	284	88	1.53
	22	Docosanoic acid, ethyl ester	44.80	C₂₄H₄₈O₂	368	88	1.07
Sterol	23	Campesterol	47.10	C₂₈H₄₈O	400	43	0.49	2.81
	24	Stigmasterol	50.11	C₂₉H₄₈O	412	55	0.61
	25	β-Sitosterol	52.91	C₂₉H₅₀O	414	43	1.03
	26	β-Sitosterol acetate	54.23	C₃₁H₅₂O₂	456	43	0.68