{"id":2460,"date":"2026-09-27T15:58:19","date_gmt":"2026-09-27T08:58:19","guid":{"rendered":"https:\/\/cpc1.vn\/methylcellulose\/"},"modified":"2026-09-27T15:58:19","modified_gmt":"2026-09-27T08:58:19","slug":"methylcellulose","status":"publish","type":"post","link":"https:\/\/cpc1.vn\/en\/methylcellulose\/","title":{"rendered":"Methylcellulose \u2013 t\u00e1 d\u01b0\u1ee3c d\u00ednh, t\u1ea1o h\u1ed7n d\u1ecbch, t\u0103ng \u0111\u1ed9 nh\u1edbt, gel h\u00f3a nhi\u1ec7t"},"content":{"rendered":"<h1 class=\"kt-tieu-de\">Methylcellulose \u2013 t\u00e1 d\u01b0\u1ee3c d\u00ednh, t\u1ea1o h\u1ed7n d\u1ecbch, t\u0103ng \u0111\u1ed9 nh\u1edbt, gel h\u00f3a nhi\u1ec7t<\/h1>\n<p><strong>Methylcellulose<\/strong> (MC, E461) l\u00e0 ether methyl c\u1ee7a cellulose, trong \u0111\u00f3 kho\u1ea3ng 27\u201332% nh\u00f3m hydroxyl \u1edf d\u1ea1ng ether methyl. L\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111a n\u0103ng trong thu\u1ed1c u\u1ed1ng v\u00e0 d\u00f9ng ngo\u00e0i: <strong>t\u00e1 d\u01b0\u1ee3c d\u00ednh, r\u00e3, c\u1ed1t gi\u1ea3i ph\u00f3ng k\u00e9o d\u00e0i, ch\u1ea5t bao, t\u1ea1o h\u1ed7n d\u1ecbch v\u00e0 t\u0103ng \u0111\u1ed9 nh\u1edbt<\/strong>. \u0110\u1eb7c tr\u01b0ng n\u1ed5i b\u1eadt: dung d\u1ecbch <strong>gel h\u00f3a khi \u0111un n\u00f3ng<\/strong> v\u00e0 tr\u1edf l\u1ea1i l\u1ecfng khi ngu\u1ed9i.<\/p>\n<h2>Th\u00f4ng tin nhanh<\/h2>\n<table>\n<tbody>\n<tr>\n<td>T\u00ean kh\u00e1c<\/td>\n<td>Cellulose methyl ether, E461; Benecel, Culminal MC, Methocel (d\u00f2ng A), Metolose<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 CAS<\/td>\n<td>9004-67-5<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5u t\u1ea1o<\/td>\n<td>\u0110\u1ed9 tr\u00f9ng h\u1ee3p 50\u20131000; KLPT trung b\u00ecnh s\u1ed1 10 000\u2013220 000 Da; \u0111\u1ed9 th\u1ebf (s\u1ed1 nh\u00f3m methoxyl trung b\u00ecnh tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb anhydroglucose) 1,64\u20131,92; nh\u00f3m methoxyl 27,5\u201331,5% (USP) ho\u1eb7c 26,0\u201333,0% (JP)<\/td>\n<\/tr>\n<tr>\n<td>Nh\u00f3m ch\u1ee9c n\u0103ng<\/td>\n<td>Ch\u1ea5t bao, ch\u1ea5t nh\u0169 h\u00f3a, ch\u1ea5t t\u1ea1o h\u1ed7n d\u1ecbch, t\u00e1 d\u01b0\u1ee3c r\u00e3, t\u00e1 d\u01b0\u1ee3c d\u00ednh, ch\u1ea5t t\u0103ng \u0111\u1ed9 nh\u1edbt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Applications<\/h2>\n<ul>\n<li><strong>Vi\u00ean n\u00e9n:<\/strong> c\u1ea5p \u0111\u1ed9 nh\u1edbt th\u1ea5p v\u00e0 trung b\u00ecnh l\u00e0m t\u00e1 d\u01b0\u1ee3c d\u00ednh (b\u1ed9t kh\u00f4 ho\u1eb7c dung d\u1ecbch); c\u1ea5p \u0111\u1ed9 nh\u1edbt cao l\u00e0m t\u00e1 d\u01b0\u1ee3c r\u00e3; c\u1ed1t gi\u1ea3i ph\u00f3ng k\u00e9o d\u00e0i.<\/li>\n<li><strong>Bao:<\/strong> phun dung d\u1ecbch n\u01b0\u1edbc ho\u1eb7c dung m\u00f4i h\u1eefu c\u01a1 c\u1ee7a c\u1ea5p \u0111\u1ed9 th\u1ebf cao, \u0111\u1ed9 nh\u1edbt th\u1ea5p \u0111\u1ec3 che v\u1ecb ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3i ph\u00f3ng; l\u1edbp bao c\u00e1ch ly nh\u00e2n vi\u00ean tr\u01b0\u1edbc bao \u0111\u01b0\u1eddng.<\/li>\n<li><strong>Ch\u1ea5t l\u1ecfng u\u1ed1ng:<\/strong> c\u1ea5p \u0111\u1ed9 nh\u1edbt th\u1ea5p nh\u0169 h\u00f3a d\u1ea7u \u00f4 liu, d\u1ea7u l\u1ea1c, d\u1ea7u kho\u00e1ng; ch\u1ea5t t\u1ea1o h\u1ed7n d\u1ecbch, l\u00e0m \u0111\u1eb7c thay siro \u0111\u01b0\u1eddng \u2013 l\u00e0m ch\u1eadm l\u1eafng v\u00e0 t\u0103ng th\u1eddi gian ti\u1ebfp x\u00fac c\u1ee7a d\u01b0\u1ee3c ch\u1ea5t trong d\u1ea1 d\u00e0y.<\/li>\n<li><strong>D\u00f9ng ngo\u00e0i:<\/strong> c\u1ea5p \u0111\u1ed9 nh\u1edbt cao l\u00e0m \u0111\u1eb7c kem, gel.<\/li>\n<li><strong>Nh\u00e3n khoa:<\/strong> dung d\u1ecbch 0,5\u20131,0% c\u1ea5p \u0111\u1ed9 th\u1ebf cao, \u0111\u1ed9 nh\u1edbt cao t\u1eebng l\u00e0m ch\u1ea5t d\u1eabn thu\u1ed1c nh\u1ecf m\u1eaft \u2013 nay HPMC \u0111\u01b0\u1ee3c \u01b0a d\u00f9ng h\u01a1n.<\/li>\n<li>\u1ee8ng d\u1ee5ng l\u00e0m thu\u1ed1c n\u1eb1m ngo\u00e0i ph\u1ea1m vi b\u00e0i vi\u1ebft.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>C\u00f4ng d\u1ee5ng<\/th>\n<th>N\u1ed3ng \u0111\u1ed9 (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kem, gel, thu\u1ed1c m\u1ee1<\/td>\n<td>1,0\u20135,0<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ea5t nh\u0169 h\u00f3a<\/td>\n<td>1,0\u20135,0<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf ph\u1ea9m nh\u00e3n khoa<\/td>\n<td>0,5\u20131,0<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7n d\u1ecbch<\/td>\n<td>1,0\u20132,0<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed1t vi\u00ean gi\u1ea3i ph\u00f3ng k\u00e9o d\u00e0i<\/td>\n<td>5,0\u201375,0<\/td>\n<\/tr>\n<tr>\n<td>T\u00e1 d\u01b0\u1ee3c d\u00ednh vi\u00ean n\u00e9n<\/td>\n<td>1,0\u20135,0<\/td>\n<\/tr>\n<tr>\n<td>Bao vi\u00ean<\/td>\n<td>0,5\u20135,0<\/td>\n<\/tr>\n<tr>\n<td>T\u00e1 d\u01b0\u1ee3c r\u00e3 vi\u00ean n\u00e9n<\/td>\n<td>2,0\u201310,0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>M\u00f4 t\u1ea3 v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n<ul>\n<li>B\u1ed9t d\u1ea1ng s\u1ee3i ho\u1eb7c h\u1ea1t, tr\u1eafng, g\u1ea7n nh\u01b0 kh\u00f4ng m\u00f9i, kh\u00f4ng v\u1ecb. Nh\u00e3n ph\u1ea3i ghi lo\u1ea1i \u0111\u1ed9 nh\u1edbt (\u0111\u1ed9 nh\u1edbt dung d\u1ecbch 1\/50, t\u1ee9c 2%).<\/li>\n<li>pH h\u1ed7n d\u1ecbch 1%: 5,5\u20138,0. G\u00f3c ngh\u1ec9 40\u201350\u00b0; t\u1ef7 tr\u1ecdng bi\u1ec3u ki\u1ebfn 0,276 g\/cm\u00b3, g\u00f5 0,464 g\/cm\u00b3, th\u1ef1c 1,341 g\/cm\u00b3.<\/li>\n<li>B\u1eaft \u0111\u1ea7u h\u00f3a n\u00e2u \u1edf 190\u2013200 \u00b0C, ch\u00e1y th\u00e0nh than \u1edf 225\u2013230 \u00b0C.<\/li>\n<li>H\u1ea7u nh\u01b0 kh\u00f4ng tan trong aceton, methanol, cloroform, ethanol 95%, ether, dung d\u1ecbch mu\u1ed1i b\u00e3o h\u00f2a, toluen v\u00e0 <strong>n\u01b0\u1edbc n\u00f3ng<\/strong>; tan trong acid acetic b\u0103ng v\u00e0 h\u1ed7n h\u1ee3p ethanol\u2013cloroform 1:1. Trong n\u01b0\u1edbc l\u1ea1nh tr\u01b0\u01a1ng n\u1edf v\u00e0 ph\u00e2n t\u00e1n ch\u1eadm t\u1ea1o d\u1ecbch keo nh\u1edbt trong \u0111\u1ebfn tr\u1eafng \u0111\u1ee5c.<\/li>\n<li>S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t 45\u201355 mN\/m (dung d\u1ecbch 0,1%, 20 \u00b0C); s\u1ee9c c\u0103ng li\u00ean b\u1ec1 m\u1eb7t v\u1edbi d\u1ea7u parafin 19\u201323 mN\/m.<\/li>\n<li>\u0110\u1ed9 nh\u1edbt dung d\u1ecbch 2% t\u1eeb 5 \u0111\u1ebfn 75 000 mPa\u00b7s t\u00f9y c\u1ea5p; v\u00ed d\u1ee5 Methocel A15-LV 15, A4C 400, A15C 1500, A4M 4000 mPa\u00b7s (20 \u00b0C). Nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00e0m gi\u1ea3m \u0111\u1ed9 nh\u1edbt cho \u0111\u1ebfn khi <strong>gel h\u00f3a \u1edf 50\u201360 \u00b0C<\/strong>; qu\u00e1 tr\u00ecnh thu\u1eadn ngh\u1ecbch khi l\u00e0m ngu\u1ed9i. Nhi\u1ec7t \u0111\u1ed9 gel h\u00f3a gi\u1ea3m khi t\u0103ng n\u1ed3ng \u0111\u1ed9, v\u00e0 thay \u0111\u1ed5i theo ph\u1ee5 gia, d\u01b0\u1ee3c ch\u1ea5t.<\/li>\n<li>D\u00f2ng ch\u1ea3y gi\u1ea3 d\u1ebbo, kh\u00f4ng c\u00f3 ng\u01b0\u1ee1ng ch\u1ea3y; kh\u00f4ng thixotrop d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 gel h\u00f3a. Dung d\u1ecbch c\u00f3 th\u1ec3 \u0111\u00f4ng l\u1ea1nh m\u00e0 kh\u00f4ng t\u00e1ch pha.<\/li>\n<\/ul>\n<h2>C\u00e1ch h\u00f2a tan<\/h2>\n<ul>\n<li>Ph\u1ed5 bi\u1ebfn nh\u1ea5t: ph\u00e2n t\u00e1n l\u01b0\u1ee3ng methylcellulose c\u1ea7n d\u00f9ng v\u00e0o kho\u1ea3ng m\u1ed9t n\u1eeda l\u01b0\u1ee3ng n\u01b0\u1edbc \u1edf 70 \u00b0C, r\u1ed3i th\u00eam n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c \u0111\u00e1 \u0111\u1ec3 h\u1ea1 nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng d\u01b0\u1edbi 20 \u00b0C \u2013 thu dung d\u1ecbch trong.<\/li>\n<li>Ho\u1eb7c tr\u1ed9n kh\u00f4 v\u1edbi b\u1ed9t kh\u00e1c tr\u01b0\u1edbc khi cho v\u00e0o n\u01b0\u1edbc l\u1ea1nh; ho\u1eb7c l\u00e0m \u1ea9m b\u1ed9t b\u1eb1ng dung m\u00f4i h\u1eefu c\u01a1 (ethanol 95%) tr\u01b0\u1edbc khi th\u00eam n\u01b0\u1edbc.<\/li>\n<\/ul>\n<h2>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n<\/h2>\n<ul>\n<li>B\u1ed9t b\u1ec1n nh\u01b0ng h\u01a1i h\u00fat \u1ea9m \u2013 b\u1ea3o qu\u1ea3n trong bao b\u00ec k\u00edn kh\u00ed, n\u01a1i kh\u00f4 m\u00e1t.<\/li>\n<li>Dung d\u1ecbch b\u1ec1n v\u1edbi ki\u1ec1m v\u00e0 acid lo\u00e3ng \u1edf pH 3\u201311 (nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng); d\u01b0\u1edbi pH 3 b\u1ecb th\u1ee7y ph\u00e2n li\u00ean k\u1ebft glucosid l\u00e0m gi\u1ea3m \u0111\u1ed9 nh\u1edbt.<\/li>\n<li>Dung d\u1ecbch d\u1ec5 nhi\u1ec5m vi sinh \u2013 c\u1ea7n ch\u1ea5t b\u1ea3o qu\u1ea3n kh\u00e1ng khu\u1ea9n. C\u00f3 th\u1ec3 h\u1ea5p ti\u1ec7t khu\u1ea9n nh\u01b0ng \u0111\u1ed9 nh\u1edbt gi\u1ea3m; dung d\u1ecbch pH d\u01b0\u1edbi 4 gi\u1ea3m \u0111\u1ed9 nh\u1edbt h\u01a1n 20% sau khi h\u1ea5p.<\/li>\n<\/ul>\n<h2>T\u01b0\u01a1ng k\u1ef5<\/h2>\n<ul>\n<li>T\u01b0\u01a1ng k\u1ef5 v\u1edbi aminacrin hydroclorid, clorocresol, th\u1ee7y ng\u00e2n(II) clorid, phenol, resorcinol, acid tannic, b\u1ea1c nitrat, cetylpyridinium clorid, acid p-hydroxybenzoic, acid p-aminobenzoic, methylparaben, propylparaben, butylparaben.<\/li>\n<li>Mu\u1ed1i c\u1ee7a acid v\u00f4 c\u01a1 (nh\u1ea5t l\u00e0 acid \u0111a ch\u1ee9c), phenol, tannin l\u00e0m \u0111\u00f4ng v\u00f3n dung d\u1ecbch \u2013 c\u00f3 th\u1ec3 ng\u0103n b\u1eb1ng ethanol 95% ho\u1eb7c glycol diacetat. T\u1ea1o ph\u1ee9c v\u1edbi ch\u1ea5t di\u1ec7n ho\u1ea1t m\u1ea1nh nh\u01b0 tetracain, dibutolin sulfat.<\/li>\n<li>N\u1ed3ng \u0111\u1ed9 ch\u1ea5t \u0111i\u1ec7n ly cao l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt do &#8220;salting out&#8221;; r\u1ea5t cao c\u00f3 th\u1ec3 l\u00e0m t\u1ee7a ho\u00e0n to\u00e0n th\u00e0nh gel.<\/li>\n<li>T\u01b0\u01a1ng k\u1ef5 v\u1edbi ch\u1ea5t oxy h\u00f3a m\u1ea1nh.<\/li>\n<\/ul>\n<h2>S\u1ea3n xu\u1ea5t<\/h2>\n<p>X\u1eed l\u00fd b\u1ed9t g\u1ed7 (cellulose) b\u1eb1ng ki\u1ec1m, sau \u0111\u00f3 methyl h\u00f3a cellulose ki\u1ec1m b\u1eb1ng methyl clorid; tinh ch\u1ebf v\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t.<\/p>\n<h2>An to\u00e0n v\u00e0 thao t\u00e1c<\/h2>\n<p>D\u00f9ng r\u1ed9ng r\u00e3i trong thu\u1ed1c u\u1ed1ng, d\u00f9ng ngo\u00e0i, m\u1ef9 ph\u1ea9m v\u00e0 th\u1ef1c ph\u1ea9m; n\u00f3i chung \u0111\u01b0\u1ee3c xem l\u00e0 kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng g\u00e2y d\u1ecb \u1ee9ng, kh\u00f4ng k\u00edch \u1ee9ng. Khi u\u1ed1ng kh\u00f4ng b\u1ecb ti\u00eau h\u00f3a hay h\u1ea5p thu n\u00ean kh\u00f4ng cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng; l\u01b0\u1ee3ng l\u1edbn c\u00f3 th\u1ec3 g\u00e2y \u0111\u1ea7y h\u01a1i, ch\u01b0\u1edbng b\u1ee5ng, c\u00f3 t\u00e1c d\u1ee5ng nhu\u1eadn tr\u00e0ng; nu\u1ed1t v\u1edbi qu\u00e1 \u00edt n\u01b0\u1edbc c\u00f3 th\u1ec3 g\u00e2y t\u1eafc th\u1ef1c qu\u1ea3n; c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf h\u1ea5p thu m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t \u2013 nh\u01b0ng c\u00e1c t\u00e1c d\u1ee5ng n\u00e0y ch\u1ee7 y\u1ebfu li\u00ean quan li\u1ec1u l\u00e0m thu\u1ed1c, kh\u00f4ng \u0111\u00e1ng k\u1ec3 \u1edf m\u1ee9c t\u00e1 d\u01b0\u1ee3c. \u00cdt d\u00f9ng trong thu\u1ed1c ti\u00eam; nghi\u00ean c\u1ee9u tr\u00ean chu\u1ed9t c\u1ed1ng cho th\u1ea5y methylcellulose \u0111\u01b0\u1eddng ti\u00eam c\u00f3 th\u1ec3 g\u00e2y vi\u00eam c\u1ea7u th\u1eadn v\u00e0 t\u0103ng huy\u1ebft \u00e1p. WHO kh\u00f4ng \u0111\u1eb7t ADI. B\u1ee5i c\u00f3 th\u1ec3 k\u00edch \u1ee9ng m\u1eaft \u2013 \u0111eo k\u00ednh b\u1ea3o h\u1ed9, tr\u00e1nh t\u1ea1o b\u1ee5i (nguy c\u01a1 n\u1ed5); d\u1ec5 ch\u00e1y. Lau s\u1ea1ch ngay b\u1ed9t ho\u1eb7c dung d\u1ecbch r\u01a1i v\u00e3i v\u00ec l\u1edbp m\u00e0ng tr\u01a1n g\u00e2y tr\u01b0\u1ee3t ng\u00e3.<\/p>\n<h2>T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/h2>\n<ul>\n<li>GRAS; ph\u1ee5 gia th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn t\u1ea1i ch\u00e2u \u00c2u (E461).<\/li>\n<li>C\u00f3 trong FDA Inactive Ingredients Guide (vi\u00ean d\u01b0\u1edbi l\u01b0\u1ee1i; ti\u00eam b\u1eafp; nh\u1ecf m\u0169i; nh\u1ecf m\u1eaft; nang, h\u1ed7n d\u1ecbch, vi\u00ean n\u00e9n u\u1ed1ng; d\u00f9ng ngo\u00e0i, \u00e2m \u0111\u1ea1o); c\u00f3 trong thu\u1ed1c kh\u00f4ng ti\u00eam \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p t\u1ea1i Anh; c\u00f3 trong danh m\u1ee5c t\u00e1 d\u01b0\u1ee3c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn c\u1ee7a Canada.<\/li>\n<li>C\u00f3 chuy\u00ean lu\u1eadn trong JP, Ph.Eur., USP v\u00e0 Food Chemicals Codex.<\/li>\n<\/ul>\n<p><strong>L\u01b0u \u00fd t\u00ean th\u01b0\u01a1ng m\u1ea1i:<\/strong> m\u1ed9t s\u1ed1 ether cellulose c\u00f3 th\u00eam nh\u00f3m th\u1ebf hydroxypropyl (HPMC) mang c\u00f9ng t\u00ean th\u01b0\u01a1ng m\u1ea1i trong m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m, ch\u1ec9 kh\u00e1c m\u00e3 k\u00fd hi\u1ec7u \u2013 kh\u00f4ng nh\u1ea7m v\u1edbi s\u1ea3n ph\u1ea9m ch\u1ec9 c\u00f3 nh\u00f3m methyl.<\/p>\n<p><strong>Ch\u1ea5t li\u00ean quan:<\/strong> ethylcellulose, hydroxyethyl cellulose, hydroxyethylmethyl cellulose, hypromellose (HPMC).<\/p>\n<h2>Nguy\u00ean li\u1ec7u t\u1ea1i CPC1<\/h2>\n<p>CPC1 \u0111ang cung c\u1ea5p c\u00e1c nguy\u00ean li\u1ec7u li\u00ean quan d\u01b0\u1edbi \u0111\u00e2y. Li\u00ean h\u1ec7 \u0111\u1ec3 nh\u1eadn COA v\u00e0 b\u00e1o gi\u00e1 theo l\u00f4 h\u00e0ng hi\u1ec7n c\u00f3.<\/p>\n<ul>\n<li><a href=\"https:\/\/cpc1.vn\/en\/san-pham\/nguyen-lieu-hydroxypropyl-methycellulose-6cps-60hd6\/\">HPMC 6CPS \u2013 Hydroxypropyl Methylcellulose (60HD6)<\/a><\/li>\n<li><a href=\"https:\/\/cpc1.vn\/en\/san-pham\/nguyen-lieu-hydroxy-propyl-methyl-cellulose-e15-hpmc-e15\/\">HPMC E15 \u2013 Hydroxypropyl Methylcellulose<\/a><\/li>\n<\/ul>\n<h2>Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>N\u1ed9i dung \u0111\u01b0\u1ee3c CPC1 bi\u00ean so\u1ea1n, t\u00f3m l\u01b0\u1ee3c c\u00f3 ch\u1ecdn l\u1ecdc t\u1eeb chuy\u00ean lu\u1eadn <em>Methylcellulose<\/em> trong:<br \/>\nRowe R.C., Sheskey P.J., Owen S.C. (ch\u1ee7 bi\u00ean). <em>Handbook of Pharmaceutical Excipients<\/em>, \u1ea5n b\u1ea3n 5.<br \/>\nPharmaceutical Press (London) &amp; American Pharmacists Association (Washington DC), 2006.<br \/>\nB\u00e0i vi\u1ebft kh\u00f4ng sao ch\u00e9p nguy\u00ean v\u0103n t\u00e0i li\u1ec7u g\u1ed1c; c\u00e1c s\u1ed1 li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c d\u1eabn l\u1ea1i t\u1eeb t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n<p><em>\u1ea2nh minh h\u1ecda: thi\u1ebft k\u1ebf c\u1ee7a CPC1.<\/em><\/p>\n<p><em>L\u01b0u \u00fd: th\u00f4ng tin mang t\u00ednh tham kh\u1ea3o cho ng\u01b0\u1eddi l\u00e0m chuy\u00ean m\u00f4n b\u00e0o ch\u1ebf, d\u1ef1a tr\u00ean \u1ea5n b\u1ea3n n\u0103m 2006.<br \/>\nTi\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd c\u00f3 th\u1ec3 \u0111\u00e3 thay \u0111\u1ed5i \u2014 lu\u00f4n \u0111\u1ed1i chi\u1ebfu d\u01b0\u1ee3c \u0111i\u1ec3n v\u00e0 quy \u0111\u1ecbnh<br \/>\nhi\u1ec7n h\u00e0nh tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Methylcellulose \u2013 t\u00e1 d\u01b0\u1ee3c d\u00ednh, t\u1ea1o h\u1ed7n d\u1ecbch, t\u0103ng \u0111\u1ed9 nh\u1edbt, gel h\u00f3a nhi\u1ec7t Methylcellulose (MC, E461) l\u00e0 ether methyl c\u1ee7a cellulose, trong \u0111\u00f3 kho\u1ea3ng 27\u201332% nh\u00f3m hydroxyl \u1edf d\u1ea1ng ether methyl. L\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111a n\u0103ng trong thu\u1ed1c u\u1ed1ng v\u00e0 d\u00f9ng ngo\u00e0i: t\u00e1 d\u01b0\u1ee3c d\u00ednh, r\u00e3, c\u1ed1t gi\u1ea3i ph\u00f3ng k\u00e9o d\u00e0i, ch\u1ea5t bao, t\u1ea1o [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2459,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[122],"tags":[],"class_list":["post-2460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ta-duoc"],"blocksy_meta":[],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose.png",1200,675,false],"thumbnail":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose-150x150.png",150,150,true],"medium":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose-300x169.png",300,169,true],"medium_large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose-768x432.png",768,432,true],"large":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose-1024x576.png",1024,576,true],"1536x1536":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose.png",1200,675,false],"2048x2048":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose.png",1200,675,false],"trp-custom-language-flag":["https:\/\/cpc1.vn\/wp-content\/uploads\/2026\/09\/methylcellulose-18x10.png",18,10,true]},"uagb_author_info":{"display_name":"cpc1vn","author_link":"https:\/\/cpc1.vn\/en\/author\/cpc1vn\/"},"uagb_comment_info":0,"uagb_excerpt":"Methylcellulose \u2013 t\u00e1 d\u01b0\u1ee3c d\u00ednh, t\u1ea1o h\u1ed7n d\u1ecbch, t\u0103ng \u0111\u1ed9 nh\u1edbt, gel h\u00f3a nhi\u1ec7t Methylcellulose (MC, E461) l\u00e0 ether methyl c\u1ee7a cellulose, trong \u0111\u00f3 kho\u1ea3ng 27\u201332% nh\u00f3m hydroxyl \u1edf d\u1ea1ng ether methyl. L\u00e0 t\u00e1 d\u01b0\u1ee3c \u0111a n\u0103ng trong thu\u1ed1c u\u1ed1ng v\u00e0 d\u00f9ng ngo\u00e0i: t\u00e1 d\u01b0\u1ee3c d\u00ednh, r\u00e3, c\u1ed1t gi\u1ea3i ph\u00f3ng k\u00e9o d\u00e0i, ch\u1ea5t bao, t\u1ea1o&hellip;","_links":{"self":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/comments?post=2460"}],"version-history":[{"count":0,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/posts\/2460\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media\/2459"}],"wp:attachment":[{"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/media?parent=2460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/categories?post=2460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpc1.vn\/en\/wp-json\/wp\/v2\/tags?post=2460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}