blood_bucket1.txt
blood_bottle.txt
blood_bucket2.txt
blood_slime_balls.txt
These are in .txt format so I could upload them here.
Long story short they make eating noises, but dont replentish health or consume the item

Change your checks from origins:food_level to origins:health or origins:relative_health
If I remember correctly, those origins cannot get below 20 food level.