M/Z: 501.0795

Hit 2 annotations: Sagecoumarin_[M+H-2H2O]+; Myrtillin_[M+H]+

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 501.0795

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000015780 Unreliable	501.0794	501.0794 ~ 501.0795 MzDiff: `0.5 ppm`	Sagecoumarin (BioDeep_00000021778) Formula: C27H20O12 (536.0955)	3.42 (100%)	Vitis vinifera [PO:0009085] exocarp
MSI_000054300 Unreliable	501.0802	501.0802 ~ 501.0802 MzDiff: `none`	Sagecoumarin (BioDeep_00000021778) Formula: C27H20O12 (536.0955)	2.77 (100%)	MALDI - CHCA [NOVOCELL:BACKGROUND] blank
MSI_000055143 Unreliable	501.0803	501.0803 ~ 501.0803 MzDiff: `none`	Myrtillin (BioDeep_00000395481) Formula: C21H21ClO12 (500.0721)	1.51 (100%)	MALDI - DHB [NOVOCELL:BACKGROUND] blank
MSI_000051411 Unreliable	501.0798	501.0798 ~ 501.0798 MzDiff: `none`	Myrtillin (BioDeep_00000395481) Formula: C21H21ClO12 (500.0721)	0 (100%)	Mytilus edulis [UBERON:2001856] gill ray

Found 9 Sample Hits

Metabolite	Species	Sample
Sagecoumarin Formula: C27H20O12 (536.0955) Adducts: [M+H-2H2O]+ (Ppm: 2.6)	Homo sapiens (Liver)	20171107_FIT4_DHBpos_p70_s50 Resolution: 50μm, 70x70 Description
Sagecoumarin Formula: C27H20O12 (536.0955) Adducts: [M+H-2H2O]+ (Ppm: 4.2)	Vitis vinifera (Fruit)	grape_dhb_91_1 Resolution: 50μm, 120x114 Description Grape berries fruit, condition: Ripe
Sagecoumarin Formula: C27H20O12 (536.0955) Adducts: [M+H-2H2O]+ (Ppm: 4.4)	Vitis vinifera (Fruit)	grape_dhb_163_1 Resolution: 17μm, 132x115 Description Grape berries fruit, condition: Late
Sagecoumarin Formula: C27H20O12 (536.0955) Adducts: [M+H-2H2O]+ (Ppm: 0.6)	Posidonia oceanica (root)	20190613_MS1_A19r-18 Resolution: 17μm, 246x264 Description
Sagecoumarin Formula: C27H20O12 (536.0955) Adducts: [M+H-2H2O]+ (Ppm: 2.8)	Posidonia oceanica (root)	MS1_20180404_PO_1200 Resolution: 17μm, 193x208 Description
Myrtillin Formula: C21H21ClO12 (500.0721) Adducts: [M+H]+ (Ppm: 1.7)	Mytilus edulis (mantle)	20190201_MS38_Crassostrea_Mantle_350-1500_DHB_pos_A28_10um_270x210 Resolution: 10μm, 270x210 Description
Myrtillin Formula: C21H21ClO12 (500.0721) Adducts: [M+H]+ (Ppm: 0.7)	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
Myrtillin Formula: C21H21ClO12 (500.0721) Adducts: [M+H]+ (Ppm: 0.7)	Mytilus edulis (mantle)	20190216_MS38_Mytilus_mantle_350-1500_DHB_pos_A26_10um_275x210 Resolution: 10μm, 275x210 Description
Sagecoumarin Formula: C27H20O12 (536.0955) Adducts: [M+H-2H2O]+ (Ppm: 2.2)	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