I love the fresh foodstuff in Asian grocers. But I can't find any nutritional data on them at all. Sweet Thai basil, galangal, Chinese mustard greens, etc.
Try the excel spreadsheet on this page -
It is pretty detailed.
Sorry, this was the best I could find: http://www.cfs.gov.hk/english/programme/programme_rafs/programme_rafs_n_01_04_01_fruit_veg_report.html
These are just examples of charts they have for various fruits and vegetables common in Asian markets: