L-Malic acid Cas:97-67-6
| Lambarka buugaagta | XD91143 |
| Magaca Alaabta | L-Malic acid |
| CAS | 97-67-6 |
| Qaanuunka molecular | HOOCCH (OH) CH2COOH |
| Miisaanka Molecular | 134.09 |
| Faahfaahinta Kaydinta | Ambient |
| Xeerka Tarifka La Iswaafajiyay | 29181998 |
Tilmaamaha Alaabta
| Muuqashada | Budada crystalline cad |
| Asay | 99% min |
| Heerkulka Kaydinta | +20 ° C |
| barta dhalaalaysa | 101-103 °C (Iftiin) |
| Wareegid gaar ah | -2º (c=8.5, H2O) |
| Cufnaanta | 1.60 |
| Tusmada Dib-u-celinta | -6.5 ° (C=10, Acetone) |
| Barta toosan | 220 °C |
| Solubility | H2O: 0.5 M at 20 °C, cad, aan midab lahayn |
| Biyuhu milma | milmay |
Astaamaha jireed iyo kiimikaad ee L-malic acid
Malic acid, oo sidoo kale loo yaqaano 2-hydroxysuccinic acid, ayaa leh laba stereoisomers sababtoo ah atamka kaarboon asymmetric ee molecule.Dabeecadda, waxay u jirtaa saddex nooc, kuwaas oo kala ah D-malic acid, L-malic acid iyo isku darkeeda DL-malic acid.Crystal cad ama budada crystalline, hygroscopicity xooggan, si fudud ugu milmi biyaha iyo ethanol.Waxay leedahay dhadhan dhanaan gaar ah oo wacan.Malic acid waxaa inta badan loo isticmaalaa warshadaha cuntada iyo daawooyinka.
Isticmaalka alaabta L-malic acid
【Isticmaalka】 Loo isticmaalo soo saarista esters;loo isticmaalo walxaha kakan iyo walxaha dhadhanka.Marka loo eego qodobbada GB 2760-90 ee waddankeyga, waxaa loo isticmaali karaa dhammaan noocyada cuntada.Sida wakiilka dhanaan, waxaa loo isticmaali karaa halkii laga heli lahaa citric acid (qiyaastii 80%), gaar ahaan jelly iyo cuntooyinka miraha ku salaysan.Alaabtani waxa ay leedahay shaqada ilaalinta midabka miraha dabiiciga ah, waxa kale oo loo isticmaali karaa caawimo soo saarista pectin, oo ah wakiilka kor u qaada koritaanka khamiirka, samaynta suugo soy ah oo aan milix lahayn iyo khal, hagaajinta dhadhanka pickles, iyo Emulsion stabilizer ee margarine, majones, iwm.Si ballaaran loo isticmaalo maaddooyin dhowr ah oo kala duwan, xawaash iyo waxyaabo kale oo isku dhafan.
(1) Wershadaha cuntada: Waxaa loo isticmaalaa in lagu farsameeyo laguna diyaariyo cabitaannada, sayaxa, casiirka khudaarta, waxa kale oo loo isticmaali karaa samaynta nacnaca, macaanka, iwm. Waxa ay saamayn ku leedahay bakteeriyada iyo jeermiska dila cuntada.Waxa kale oo loo isticmaali karaa in lagu hagaajiyo pH ee halsano caano fadhi iyo ka saar tartrate samaynta khamriga.
(2) Warshadaha tubaakada: Aashitada malic acid (sida esters) waxay wanaajin kartaa dhadhanka tubaakada.
(3) Warshadaha dawooyinka: Dhammaan noocyada kaniiniyada iyo sharoobada leh malic acid waxay yeelan karaan dhadhan miro leh, taas oo u sahlaysa nuugista iyo faafinta jidhka.
(4) Warshadaha kiimikaad ee maalinlaha ah: Waa walax isku dhafan oo wanaagsan iyo wakiilka ester.Waxa loo isticmaalaa habaynta dawada cadayga, samaynta kiniinka nadiifinta iliga, samaynta udgoonka synthetic, iwm. Waxa kale oo loo isticmaali karaa qayb ka mid ah deodorant iyo saabuunta.
