Help - Statistics

System version: 1.5.0

2021/04/28

Data update

2018/06/26: 86 food items were added.


Statistics

Food items

  Positive Negative All
Published 222 222 222


Number of Peaks

  ESI Positive ESI Negative All
Total peak number 969,352 944,312 1,913,664
Average peak number (per published food items) 4,366 4,254 4,310
Peaks with MSn spectra 105,792 82,374 188,166
Peaks with MS2 spectra 105,702 82,374 188,076
Peaks with MS3 spectra 33,351 0 33,351
Peaks with compound database hits
(KEGG, KNApSAcK, HMDB, LIPID MAPS, FlavonoidDB were searched with a 5 ppm-mass tolerance)
294,617 311,375 605,992


Update history

2021/04/28 The system was updated to version 1.5.0.
- Unused columns were removed from the peak list.
2020/03/26 The system was updated to version 1.4.0.
- Pages and a menu for downloading were added.
- APIs for downloading were added.
- Modifications of the internal program for better maintenance.
2020/01/30 The system was updated to version 1.3.0. - The peak icon in the search results was improved to the one with MS2/MS3 results, DB hits, non-default adducts, and FlavonoidSearch results. - Neutral loss search function was added.
2020/01/18 The system was updated to version 1.2.0. Internal processes were improved.
2020/01/08 The system was updated to version 1.0.0 because implementation of basic functions have been completed. The m/z value of the original peak are available at the spectrum search. The processing speed for spectral data and statistics page were improved. The number of the peaks with compound database search results is available at the statistics page.
2019/08/08 The system was updated to version 0.6.0. Language changer was implemented on the menu bar.
2019/07/05 The system was updated to version 0.5.0. Spectrum search function is available.
2018/12/02 The system was updated to version 0.4.4. Slight modifications of the texts.
2018/10/23 The system was updated to version 0.4.3. The pagination of the peak list was improved. A bug of image display in the search results was fixed.
2018/09/21 The system was updated to version 0.4.2. Internal system was slightly modified.
2018/08/10 The system was updated to version 0.4.1. The color of the peak position indicators were reviewed. The food images were attached to the search results. APIs for getting images are now available.
2018/06/26 The system was updated to version 0.4.0. The food images for illustration purposes are available. 86 food items were added, and in total, 222 food items are available.
2017/09/29 The system was updated to version 0.3.0. The peak numbers are available in the food list.
2017/09/07 The system was updated to version 0.2.0. The database name and the candidate number in the top hits of database search results were available at the peak list and peak information page.
2017/08/27 43 food items were added.
2017/08/25 The initial version released.