Why is it safe to eat rhubarb stalks but not rhubarb leaves when they both contain a poisonous acid?

Related questions

1. What do you eat with apple crumble?
2. What can be substituted for rhubarb?
3. How do you store crumble mix?
4. How long will rhubarb crumble keep?
5. Why is my rhubarb so skinny?
6. Is rhubarb bad for kidneys?
7. How do you store cooked apple crumble?
8. What goes well with rhubarb?
9. Can I add frozen berries to cake mix?
10. Can you use normal apples in apple crumble?

Tags

1. #contain
2. #vitamins
3. #might
4. #oxalic
5. #joints
6. #kidneys
7. #inflammation
8. #stems
9. #stress
10. #possible
11. #rhubarb
12. #little
13. #provide
14. #anthraquinone
15. #because
16. #leaves
17. #often
18. #reasonable
19. #eating
20. #quantities