M/Z: 491.2217


Hit 3 annotations:  alpha-Crocetin glucosyl ester_[M+H]+; Glimepiride_[M+H]+; Difluprednate_[M+H-H2O]+


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 1 Reference Ions Near m/z 491.2217
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000051375 Unreliable 491.2225 491.2225 ~ 491.2225
MzDiff: none		 alpha-Crocetin glucosyl ester (BioDeep_00000001065)
Formula: C26H34O9 (490.2203)		 0 (100%) Mytilus edulis
[UBERON:2001856] gill ray

Found 3 Sample Hits
Metabolite Species Sample
alpha-Crocetin glucosyl ester

Formula: C26H34O9 (490.2203)
Adducts: [M+H]+ (Ppm: 10.3) 		Mytilus edulis (gill)
20190202_MS38_Crassostrea_Gill_350-1500_DHB_pos_A25_11um_305x210
Resolution: 11μm, 305x210

Description

single cell layer class_4 is the gill structure cells, metabolite ion 534.2956 is the top representive ion of this type of cell
Glimepiride

Formula: C24H34N4O5S (490.225)
Adducts: [M+H]+ (Ppm: 19.9) 		Mytilus edulis (mantle)
20190216_MS38_Mytilus_mantle_350-1500_DHB_pos_A26_10um_275x210
Resolution: 10μm, 275x210

Description

Difluprednate

Formula: C27H34F2O7 (508.2272)
Adducts: [M+H-H2O]+ (Ppm: 4.6) 		Drosophila melanogaster (brain)
Drosophila18
Resolution: 5μm, 686x685

Description

Sample information Organism: Drosophila melanogaster Organism part: Brain Condition: Healthy Sample preparation Sample stabilisation: Frozen Tissue modification: Frozen MALDI matrix: 2,5-dihydroxybenzoic acid (DHB) MALDI matrix application: TM sprayer Solvent: Aceton/water MS analysis Polarity: Positive Ionisation source: Prototype Analyzer: Orbitrap Pixel size: 5μm × 5μm Annotation settings m/z tolerance (ppm): 3 Analysis version: Original MSM Pixel count: 469910 Imzml file size: 696.23 MB Ibd file size: 814.11 MB