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Mokhoa oa ho itokisa oa HMB-Ca
2025-03-17
Mokhoa oa 1:
Ho sebelisa 4-methyl-4-hydroxy-2-pentanone (diacetone alcohol) e le lisebelisoa tsa ho it?oara, metsi e le mokelikeli, tharollo ea metsi a NaOBr e ne e sebelisetsoa ho arabela halogenated, e lateloa ke acidification le isobutanol extraction. Asiti ea HMB e ka har'a motsoako oa isobutanol e ne e t?eloa letsoai ka ho toba le Ca (OH) 2 ho fumana β - hydroxy - β - methylbutyrate calcium. Mokhoa ona o na le melemo ea ho hloeka ha lihlahisoa tse phahameng le t?ilafalo e tlaase ea tikoloho.
- Mokhoa oa 2:1) Karabelo ea glacial acetic acid, sulfuric acid, le H2O2, e lateloa ke vacuum distillation, e fana ka tharollo ea peracetic acid;
- 2) Kopanya sehlahisoa se fumanoeng mohatong oa 1) le joala ba diacetone, eketsa methyl acetate e le solvent bakeng sa karabelo, ebe u senya le ho bokella karoloana ea 70 ℃. Masala ka mor'a distillation ke tharollo ea β - hydroxy - β - methylbutyric acid;
- 3) Eketsa tharollo ea metsi le sodium hydroxide ho masalla a distillation a fumanoang mohatong oa 2) ho fetola pH ho 6.0-7.0. Chesa 'me u qhale motsoako, ebe o o sefa. Eketsa calcium chloride ho filtrate, tsosa maikutlo, 'me u fetole pH ho 6.5-7.0 hape ho fokotsa β - hydroxy - β - methylbutyrate calcium. Sefa le ho omisa ho fumana sehlahisoa