It was definitely eye opening on the sort of ancient benefit of meat. It's really hard to reach your muscular potential without it.
- 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?
[1]: https://fdc.nal.usda.gov/food-details/2644288/nutrients