- Canned, drained and rinsed: 7g protein / 100g [1]
- Boiled: 9g protein / 100g [2]
Not sure what explains the discrepancy (though the second number is much older), but both are considerably higher than what your can says. Sure you aren't reading a per-serving amount?
https://www.kroger.com/p/kroger-garbanzo-beans/0001111010648