1. Excellent anti-bacterial/Anti-viral effects |
After 18 hours of treatment with the platinum nanoparticle solution, most of bacteria and viruses were eliminated. |
Testing institution: Kitasato Research Center for Environmental Science |
Subject | Test results |
---|---|
Influenza virus | 99.80% |
Norovirus | 99.90% |
O-157 E. coli | 99.90% |
O-111 E. coli | 99.90% |
Foot-and-mouth disease virus (FMDV) | 99.80% |
[Anti-bacterial] [Anti-viral] |
2. Excellent deodorizing potential |
Testing institution: BOKEN Quality Evaluation Institute |
PT nano | Acceptance criteria for distribution of products with deodorant treatment | |
Formaldehyde | 97 | 70 |
Acetic acid | 99 | 80 |
Hydrogen sulfide | 99 | 70 |
Pyridine | 90 | 70 |
Trimethylamine | 99 | 70 |
Ammonia | 99 | 70 |
Isovaleric acid | 99 | 85 |
Indole | 95 | 70 |
[Deodorizing] |
3. Excellent anti-oxidative potential |
[Antioxidative potential for foodstuff (verified with fruits and vegetable)] | Dpph Unit/g |
---|---|
Platinum nanoparticle | 58000 |
Catechinic acid | 16000 |
Vitamin C | 5400 |
Black tea | 1700 |
Roasted tea | 1300 |
Instant coffee | 650 |
Lemon | 5 |
[Keeping freshness and antioxidative performance] |
4. Excellent safety profile |
Testing institution: Life Science Laboratories, Ltd. |
Test name | Results (Whether or not to meet the criteria) |
---|---|
Cytotoxicity study | Meets the criteria |
Oral toxicity test | Meets the criteria |
Skin primary irritation test | Meets the criteria |
Skin sensitization test | Meets the criteria |
Skin patch test | Meets the criteria |
Bacterial Reverse Mutation Assay (Ames assay) | Meets the criteria |
[Safety] |
Anti-bacterial test |
Testing institution: Kaken Test Center |
Cutting board (100 times dilution) | CK-12-043662 |
---|---|
Rubber cutting board of another company | CK-12-043661 |
Plastic | CK-12-067853-2 |
|
Anti-bacterial test |
Testing institution: The Consumer Economics Research Institute,Inc (the former company of Research Institute for Quality Living Co.,Ltd.) |
Toothbrush bristles | 10AN02000124-001 |
---|
Anti-viral test |
Testing institution: Kitasato Research Center for Environmental Science |
Influenza A (facemask) | 217154/21_0154 |
---|---|
Norovirus | 227065/22_0065 |
E. coli (O-157/O-111) | 231021/23_0128 |
Foot-and-mouth disease virus/Feline calicivirus (surrogate for SARS) | 237020/23_0020 |
Durability test of the antibacterial effect |
Testing institution: BOKEN Quality Evaluation Institute |
50 times of laundering | 033539-3 |
---|
Safety tests |
Testing institution: Life Science Laboratories, Ltd |
Acute toxicity test by intra-nasal administration using female rats |
---|
Skin sensitization test in guinea pigs |
Single oral dose toxicity test in mice |
Skin primary irritation test in rabbits |
Cytotoxicity study |
Bacterial Reverse Mutation Assay (Ames assay) |
Human skin patch test with closed patch |
Cell growth inhibition test using P388 leukemia cells (for antitumor activity) |