M/Z: 406.293

Hit 3 annotations: Cassaine_[M+H]+; 3-Oxocholic acid_[M-H2O+NH4]+; Prostaglandin F1a_[M+NH4]+

在BioDeep NovoCell知识数据库中，参考离子总共被划分为4个级别。

Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
Unreliable: 这个参考离子具有较高的排名价值，但缺乏可重复性。
Unavailable: 由于排名价值低且缺乏可重复性，这个参考离子不应用于注释。

Found 4 Reference Ions Near m/z 406.293

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000057743 Reliable	406.2866	406.2863 ~ 406.2869 MzDiff: `2.5 ppm`	N-Arachidonoyl Histidine (BioDeep_00000171275) Formula: C26H39N3O3 (441.2991)	4.29 (54%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000065126 Reliable	406.2862	406.286 ~ 406.2864 MzDiff: `1.3 ppm`	Prostaglandin F1a (BioDeep_00000002833) Formula: C20H36O5 (356.2563)	6.01 (100%)	Homo sapiens [UBERON:0001155] colon
MSI_000047092 Unreliable	406.2859	406.2859 ~ 406.2859 MzDiff: `none`	Prostaglandin F1a (BioDeep_00000002833) Formula: C20H36O5 (356.2563)	2.83 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000047103 Unreliable	406.2942	406.2942 ~ 406.2942 MzDiff: `none`	3-Oxocholic acid (BioDeep_00000019003) Formula: C24H38O5 (406.2719)	2.8 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa

Found 6 Sample Hits

Metabolite	Species	Sample
Cassaine Formula: C24H39NO4 (405.2879) Adducts: [M+H]+ (Ppm: 0.1)	Vitis vinifera (Fruit)	grape_dhb_163_1 Resolution: 17μm, 132x115 Description Grape berries fruit, condition: Late
3-Oxocholic acid Formula: C24H38O5 (406.2719) Adducts: [M-H2O+NH4]+ (Ppm: 2.4)	Homo sapiens (colorectal adenocarcinoma)	80TopL, 50TopR, 70BottomL, 60BottomR-profile Resolution: 17μm, 137x136 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
3-Oxocholic acid Formula: C24H38O5 (406.2719) Adducts: [M-H2O+NH4]+ (Ppm: 5.3)	Homo sapiens (colorectal adenocarcinoma)	520TopL, 490TopR, 510BottomL, 500BottomR-profile Resolution: 17μm, 147x131 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
3-Oxocholic acid Formula: C24H38O5 (406.2719) Adducts: [M-H2O+NH4]+ (Ppm: 6.6)	Homo sapiens (colorectal adenocarcinoma)	439TopL, 409TopR, 429BottomL, 419BottomR-profile Resolution: 17μm, 157x136 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
3-Oxocholic acid Formula: C24H38O5 (406.2719) Adducts: [M-H2O+NH4]+ (Ppm: 15.4)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description
Prostaglandin F1a Formula: C20H36O5 (356.2563) Adducts: [M+NH4]+ (Ppm: 15.7)	Homo sapiens (esophagus)	LNTO29_16_3 Resolution: 17μm, 108x107 Description