L-Malic acid Cas: 97-67-6
| Nomoro ea lethathamo | XD91143 |
| Lebitso la Sehlahiswa | Asiti ea L-Malic |
| CAS | 97-67-6 |
| Foromo ea limolek'hule | HOOCCH(OH)CH2COOH |
| Boima ba Molek'hule | 134.09 |
| Lintlha tsa polokelo | Ambient |
| Khoutu ea Lekhetho e Kopantsoeng | 29181998 |
Tlhaloso ea Sehlahisoa
| Ponahalo | Phofo e tšoeu ea kristale |
| Assay | 99% mets |
| Mocheso oa polokelo | +20 ° C |
| Sebaka se qhibilihang | 101-103 °C (hote.) |
| Ho potoloha ho itseng | -2 º (c=8.5, H2O) |
| Botenya | 1.60 |
| Refractive Index | -6.5 ° (C=10, Acetone) |
| flash point | 220 °C |
| Solubility | H2O: 0.5 M ho 20 °C, e hlakileng, e se nang mebala |
| Ho qhibiliha ha metsi | qhibilihang |
Lintho tsa 'mele le tsa lik'hemik'hale tsa L-malic acid
Malic acid, e tsejoang hape e le 2-hydroxysuccinic acid, e na le li-stereoisomers tse peli ka lebaka la asymmetric carbon atom ka molek'hule.Ka tlhaho, e teng ka mefuta e meraro, e leng D-malic acid, L-malic acid le motsoako oa eona oa DL-malic acid.kristale e tšoeu kapa phofo ea crystalline, hygroscopicity e matla, e qhibilihang habonolo metsing le ethanol.E na le tatso e bolila haholo.Malic acid e sebelisoa haholo indastering ea lijo le ea meriana.
Tšebeliso ea sehlahisoa sa L-malic acid
【Sebeliso】 E sebelisoa ha ho etsoa li-ester;e sebelisoang ho li-complexing agents le li-flavoring agents.Ho ea ka litokisetso tsa naha ea heso GB 2760-90, e ka sebelisoa ka mefuta eohle ea lijo.E le moemeli o bolila, e ka sebelisoa ho e-na le citric acid (hoo e ka bang 80%), haholo-holo bakeng sa jelly le lijo tse entsoeng ka litholoana.Sehlahisoa sena se na le mosebetsi oa ho boloka 'mala oa litholoana tsa tlhaho, hape se ka sebelisoa e le thuso ea ho ntša pectin, moemeli oa ho khothalletsa kholo ea tomoso, ho etsa soy sauce le asene e se nang letsoai, ho ntlafatsa tatso ea pickles, emulsion stabilizer bakeng sa margarine, mayonnaise, joalo-joalo.E sebelisoa haholo ho li-preservatives tse fapaneng, li-seasoning le li-additives tse ling.
(1) Indasteri ea lijo: E sebelisoa ho lokisa le ho lokisa lino, phoka, lero la litholoana, hape e ka sebelisoa ho etsa lipompong, jeme, joalo-joalo. E na le liphello tse thibelang likokoana-hloko le likokoana-hloko lijong.E ka boela ea sebelisoa ho fetola pH ea fermentation ea yoghurt le ho tlosa tartrate ha ho etsoa veine.
(2) Indasteri ea koae: Lintho tse nkiloeng ho malic acid (tse kang li-ester) li ka ntlafatsa tatso ea koae.
(3) Indasteri ea meriana: Mefuta eohle ea matlapa le sirapo e nang le asiti ea malic e ka ba le tatso ea litholoana, e thusang ho monya le ho hasana 'meleng.
(4) Indasteri ea letsatsi le letsatsi ea lik'hemik'hale: Ke ntho e ntle ea ho rarahana le moemeli oa ester.E sebelisoa ha ho etsoa motsoako oa meno, ho hloekisa letlapa la meno, ho etsa monko o monate oa maiketsetso, joalo-joalo E ka boela ea sebelisoa e le karolo ea deodorant le detergent.
