The kit · enzyme
Unseasoned meat tenderizer: what it removes and where never to use it
Papain or bromelain, protein-digesting enzymes from papaya and pineapple.
- pH
- 6–7
- Safe on
- 0 materials
- Never on
- 3 materials
- Used in
- 0 files
01 How to use it
Make a paste with cold water, leave 30–60 minutes on the stain, rinse in cold water.
How it works
Enzymes act on particular substances: proteases on proteins, amylases on starch and lipases on fats. Suitable temperature and pH depend on the enzyme formulation; follow the product label.
On a label
On an ingredient list, unseasoned meat tenderizer shows up as papain or bromelain.
Unseasoned meat tenderizer is ruled out on a wool sweater, silk and a wool rug. The table gives general restrictions; an unlisted restriction is not proof that a product is compatible.
02 What it works on
- Protein
Unseasoned meat tenderizer is strongest against protein.
03 Where it is safe
| Material | Verdict | Why |
|---|---|---|
| Wool and cashmere | Never | It digests protein, and wool and silk are protein. |
| Silk | Never | It digests protein, and wool and silk are protein. |
| Wool rug | Never | It digests protein, and wool and silk are protein. |
| Clothes | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| White shirt | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Jeans | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Linen | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Sheets and bedding | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Towels | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Baby clothes | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Polyester | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Leggings and activewear | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Rayon and viscose | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Carpet | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Fabric couch | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Microfiber couch | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Velvet upholstery | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Car seats | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Mattress | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Leather | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Suede and nubuck | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| White sneakers | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Marble | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Granite | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Quartz countertop | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Wood furniture and floors | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Tile grout | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Painted walls | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Plastic containers | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
04 Myth files
- Does meat tenderizer remove blood stains? Yes, unseasoned tenderizer contains papain, a protein-digesting enzyme. Never on wool or silk.
05 Questions
What stains does unseasoned meat tenderizer remove?
It works best on protein.
How do you use unseasoned meat tenderizer safely?
Make a paste with cold water, leave 30–60 minutes on the stain, rinse in cold water. Test on a hidden spot first.
What should you never mix with unseasoned meat tenderizer?
This reference cannot establish that any commercial cleaner has no dangerous mixing partner. Do not combine cleaners unless their exact manufacturers explicitly permit the use; rinsing alone does not establish compatibility for later treatment.
Where should you never use unseasoned meat tenderizer?
On a wool sweater, silk and a wool rug. It digests protein, and wool and silk are protein.