1, 3-Dihydroxyacetone
1, 3-Dihydroxyacetonee tsejoang hape e leglycerone , ke lik'habohaedreite tse bonolo (li-triose) tse nang le foromo ea C 3H 6O 3. 1, 3-Dihydroxyacetone ke ketose ea tlhaho e ka senyehang, e jeoang ebile e se chefo 'meleng oa motho le tikolohong. Ke tlatsetso e fapaneng e ka sebelisoang indastering ea litlolo, ea meriana le ea lijo. 
Lintlha tsa bohlokoa tsa tekheniki:
| Ponahalo | Phofo e tšoeu ho isa ho e tšoeu |
| pH | 4.0~6.0 |
| Metsi | ≤0.4% |
| Masalla ha a tuka | ≤0.4% |
| Assay | ≥98.0% |
| Limetale tse boima(Pb) | ≤10ppm |
| Tshipi(Fe) | ≤10ppm |
| Arsenic(AS2O3) | ≤3ppm |
| Polokelo | Boloka o omme 'me o le hole le leseli, polokelo ho 2 ~ 8 ℃ |
Mosebetsi: 1. Moemeli ea hloahloa ka ho fetisisa le ea tsebahalang ka ho fetesisa bakeng sa ho fumana chebahalo ea tlhaho e kang tan ntle le ho pepesehela letsatsi. 2. Tšireletso ea bohlokoa le e netefalitsoeng ea lifoto ho UVA ka lebaka la 'mala o mosoeu o bakoang ke DHA. 3. Ho kenyeletsoa ha lihlahisoa tsa tlhokomelo ea letlalo bakeng sa tšebeliso ea letsatsi le letsatsi ho lokisetsa kapa ho lelefatsa suntan. 
Kopo: 1. E sebelisoa indastering ea litlolo, dihydroxyacetone e sebelisoa haholo-holo e le mokhoa oa litlolo, haholo-holo ha setlolo se sireletsang letsatsi se na le phello e khethehileng, se ka thibela ho tsoa ho feteletseng ha mongobo oa letlalo, ho phetha karolo ea ho sireletsa, ho sireletsa letsatsi le ho sireletsa mahlaseli a UV; 2. Ketone ea DHA sehlopheng se sebetsang se nang le letlalo la keratin amino acid le lihlopha tsa amino ho Chemicalbook e lokela ho ba sootho polima sebopeho, e nolofalletsa batho ho hlahisa letlalo le sootho la maiketsetso, kahoo le uena u ka sebelisoa ho etsisa moemeli oa tan, fumana liphetho li shebahala le ho pepesehela letsatsi ka nako e le 'ngoe e sootho kapa e sootho, e etsa hore e shebahale e le ntle.Dihydroxyacetone ke sehlahisoa sa mahareng sa metabolism ea tsoekere, se phethang karolo ea bohlokoa ts'ebetsong ea metabolism ea tsoekere mme e na le thepa e phetseng hantle;
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