M/Z: 247.1188

Hit 1 annotations: Ergothioneine_[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。

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000053486 Reliable	247.1188	247.1186 ~ 247.119 MzDiff: `1.6 ppm`	Ergothioneine (BioDeep_00000018451) Formula: C9H15N3O2S (229.0885)	3.49 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000054044 Unreliable	247.1114	247.1114 ~ 247.1116 MzDiff: `0.8 ppm`	N-Acetyltryptophan (BioDeep_00000001495) Formula: C13H14N2O3 (246.1004)	3.52 (100%)	MALDI - CHCA [NOVOCELL:BACKGROUND] blank
MSI_000033216 Unreliable	247.1106	247.1106 ~ 247.1106 MzDiff: `none`	N-Acetyltryptophan (BioDeep_00000001495) Formula: C13H14N2O3 (246.1004)	2.24 (100%)	Posidonia oceanica [PO:0005352] xylem

Metabolite	Species	Sample
Ergothioneine Formula: C9H15N3O2S (229.0885) Adducts: [M+NH4]+ (Ppm: 13.4)	Homo sapiens (esophagus)	LNTO22_1_3 Resolution: 75μm, 121x68 Description
Ergothioneine Formula: C9H15N3O2S (229.0885) Adducts: [M+NH4]+ (Ppm: 11.8)	Homo sapiens (esophagus)	LNTO22_1_4 Resolution: 17μm, 82x80 Description
Ergothioneine Formula: C9H15N3O2S (229.0885) Adducts: [M+NH4]+ (Ppm: 14.2)	Homo sapiens (esophagus)	LNTO29_16_2 Resolution: 17μm, 95x101 Description
Ergothioneine Formula: C9H15N3O2S (229.0885) Adducts: [M+NH4]+ (Ppm: 16.7)	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).
Ergothioneine Formula: C9H15N3O2S (229.0885) Adducts: [M+NH4]+ (Ppm: 15)	Homo sapiens (esophagus)	LNTO29_16_3 Resolution: 17μm, 108x107 Description
Ergothioneine Formula: C9H15N3O2S (229.0885) Adducts: [M+NH4]+ (Ppm: 13.4)	Homo sapiens (esophagus)	LNTO22_1_8 Resolution: 75μm, 69x61 Description