Table 1. Chemical constituents of Cipangopaludina lecythis flesh extract using gas chromatography-mass spectrometry (GC-MS)

Compounds	Molecular formula	Retention time (min)	Major ion m/z	Area % compound ± SD1)	Bioactive properties or uses	References
EicosaneCE	C20H42	36.09	281.1; 261.1	1.5 ± 0.29	Anti-inflammatory, analgesic, and antipyretic and antifungal	Ahsan et al. (2017)
1-OctadecanolCE	C18H38O	45.86	295.3; 279.3	11.33 ± 0.45	Antibacterial, antifungal, anti-larval	Falodun et al. (2009)
OctacosanolCE	C28H58O	47.07	292.2; 281.1	4.83 ± 0.55	Anti-fatigue, anti-hypoxia, antioxidant, Anti-inflammatory, antitumor	Zhou et al. (2022)
OctadecaneCE	C18H38	47.47	295.3; 286.0	4.2 ± 0.24	Unknown	ND
Cyclohexylmethyl octadecyl esterCE	C25H50O3S	48.23	285.1; 277.1	5.39 ± 0.36	Unknown	ND
Heneicosane, 5-methylCE	C22H46	48.29	292.3; 281.2	3.94 ± 0.25	Unknown	ND
2-Azido-2,4,4,6,6,8,8-heptamethylnonaneCE	C16H33N3	49.40	284.1; 269.0	4.76 ± 0.17	Unknown	ND
Eicosane, 2,4-dimethylCE	C22H46	49.49	295.3; 287.1	3.88 ± 0.23	Unknown	ND
Nonyl tetracosyl etherCE	C33H68O	50.39	295.3; 278.2	3.38 ± 0.37	Unknown	ND
2-(1-Methylcyclohexyloxy)-tetrahydropyranCE	C12H22O2	50.89	295.3; 281.1	3.80 ± 0.30	Unknown	ND
2-methylhexacosaneCE	C27H56	50.92	291.1; 281.1	2.92 ± 0.14	Antibacterial and antifungal	Chakraborty et al. (2022)
Dotriacontane, 1-iodoCE	C32H65I	51.06	290.1; 275.2	3.88 ± 0.29	Unknown	ND
2-Methyl-cis-7,8-epoxynonadecaneCE	C20H40O	51.31	291.1; 281.1	3.21 ± 0.39	Unknown	ND
Eicosane,9-cyclohexylCE	C22H52	52.08	291.1; 281.1	3.09 ± 0.07	Antioxidant, laxative, antimicrobial, antitumor, anti-nociceptive	Mohamad et al. (2018)
Nonyl tetracosyl etherCE	C33H68O	52.39	292.2; 278.1	3.016 ± 0.15	Unknown	ND
Nonahexacontanoic acidCE	C69H138O2	52.41	294.3; 278.1	2.93 ± 0.20	Unknown	ND
Heneicosyl pentafluoropropionateCE	C24H43F5O2	52.59	294.3; 278.0	2.34 ± 0.37	Unknown	ND
Heneicosyl heptafluorobutyrateCE	C25H43F7O2	52.71	295.3; 279.3	1.5 ± 0.19	Unknown	ND
Cyclotetrasiloxane, octamethylME	C8H24O4Si4	22.22	281.0; 207.0	1.6 ± 0.24	Hair conditioning agent, antiseptic, antimicrobial, and skin-conditioning	Mary & Giri(2016)
2,6-Difluorobenzoic acid, 4-nitrophenyl esterME	C13H7F2NO4	27.18	207.1; 191.1	1.40 ± 0.31	Unknown	ND
4-Chlorobutyric acid, cyclohexylmethyl esterME	C11H19ClO2	39.85	283.0; 266.9	0.35 ± 0.07	Unknown	ND
Cyclotrisiloxane, hexamethylME	C6H18O3Si3	46.88	295.0; 281.0	5.52 ± 0.39	Antimicrobial	Ibrahim et al. (2022)
2-Methyldipyrrolo[1,2-a:2’,1’-c]pyrazine-3-carbonitrileME	C12H9N3	53.50	285.0; 271.0	4.73 ± 0.21	Unknown	ND
1,4-Benzenediol,2,3,5,6-tetrafluoro-,bis(butyl)etherME	C14H18F4O2	55.50	285.1; 270.9	3.83± 0.20	Unknown	ND

The total Area % for the compounds presented here does not add up to 100% due to the presence of other unidentified compounds in the extracts.
CE, chrolorofrom extract; ME, methanol extract; ND, not detected.