
[林] 微晶纖維素
METHODS:The effects of dextrin, CMS-Na, microcrystalline cellulose and L-HPC on the quality of Ginkgo flavone tablets were stu***d.
方法:考察糊精、羧甲基澱粉鈉、微晶纖維素和低取代羟丙基纖維素對銀黃酮片的質量影響。
Due to its excellent compactibility , microcrystalline cellulose is one of the most preferred filler-binders in direct compression tablet formulations.
微晶纖維素由于其良好的成錠性,為目前直接打錠劑型最常使用的賦形劑之一。
Results: The composition of the choice breaking agents is 5% of cross-linked polyvinylpyrrolidone, 40% of microcrystalline cellulose and 15% of low-replacing hydroxypropyl cellulose.
結果:優選的崩解劑組成為:交聯聚乙烯*********酮5%,微晶纖維素40%,低取代羟丙基纖維素15%。
The technology of microcrystalline cellulose from soybean hulls was obtained by a lot of experiments made in labs in this paper. Acidolysis of soybean hulls was the main preparation method.
探讨了在實驗室條件下,采用酸水解法處理豆皮制備食用微晶纖維素的工藝條件。
Other Ingre***nts: microcrystalline cellulose, colloidal silicon dioxide, modified cellulose gum, cotton seed oil and magnesium stearate.
其它成份: 微晶質纖維素、膠質二氧化矽、修改過的纖維素膠、棉籽油和鎂硬脂酸鹽。
RESULTS:The optimized formulation was composed of microcrystalline cellulose 20%, cross-link polyvinyl pyrrolidone 6%, sodium carboxymethyl starch 5.5% and polyvinyl pyrrolidone 8%.
結果:優選的最佳處方為微晶纖維素20%、交聯聚乙烯*********酮6%、羧甲基澱粉鈉5.5%和聚乙烯*********酮8%。
Study the method and process of utilizing Marc-cellulose obtained microcrystalline.
研究探讨了利用蘋果渣纖維素制備微晶纖維素的方法過程。
Cellulose carbamate was synthesized in xylene as solvent with microcrystalline cellulose and urea as raw materials.
以微晶纖維素和尿素為原料,*********為溶劑合成了纖維素************酯。
Results: Use of starch microcrystalline cellulose and other accessories laminated Preparation of pellets, it is content detection target compliance.
結果:采用澱粉、微晶纖維素等輔料層積法制備微丸,其含量檢測指标符合規定。
The text introduce microcrystalline cellulose's characteristic and apply, account for the outlook of it in the vocation of food.
通過對微晶纖維素的特性、使用範圍及制備工藝的介紹,說明了其在食品等行業廣泛應用的前景。
Pellets using microcrystalline cellulose (MCC) as matrix and water as adherent were prepared by a new style extrusion spheronization equipment.
采用新型的擠出-滾圓裝備,以微晶纖維素為輔料,水為粘合劑制備非載藥微丸。
Result: the optimized formulation contained 40% microcrystalline cellulose, 10% sodium carboxymethyl starch and 15% dextrin .
結果:優化所得處方為微晶纖維素40%,羧甲基澱粉鈉10%,糊精約15%。
Also Contains: Microcrystalline cellulose, silicon dioxide, magnesium stearate.
還包含:微晶纖維素,二氧化矽,硬脂酸鎂。
Microcrystalline Cellulose, Vegetable Cellulose, Vegetable Magnesium Stearate, Silica, Vegetable Glycerin.
微晶纖維素,植物纖維素,蔬菜硬脂酸鎂,矽,蔬菜甘油。
Through experiment research , microcrystalline cellulose and CMS-Na were selected as molding materials. The proportion of microcrystalline cellulose was 15%, CMS-Na was 3 % .
試驗優選了以微晶纖維素、羧甲澱粉鈉為成型輔料,用量分别為15%、3%。
Ether of microcrystalline cellulose-based picric acid(MCC-PA) was prepared from microcrystalline cellulose by the reactions of epoxidation and etherification.
以微晶纖維素(MCC)為原料,經環氧化和醚化反應,制備了纖維素衍生物——纖維素*********醚(MCC-PA)。
The main physical and chemical properties and practical application of microcrystalline cellulose are described.
介紹了微晶纖維素系列産品在國民經濟中的應用。
The microcrystalline cellulose (MCC) gel can be formed by the mechanic shear force on the microcrystalline cellulose suspension.
微晶纖維素懸浮液在機械力的作用下發生微纖化而形成膠體。
Medthods The effects of dextrin, microcrystalline cellulose, CMS-Na and L-HPC on the quality of the total Flavone of Polygonum Aviculare Tablets were stu***d.
方法考察糊精、微晶纖維素、羧甲基澱粉鈉和低取代羟丙基纖維素對扁蓄總黃酮片的質量影響。
Results: Microcrystalline cellulose and Starch are the best Filler, Sodium carboxymethyl starch is the best Disinteg-rant, and all the indicators are accorded with Chinese Pharmacopoeia.
結果:填充劑以微晶纖微素、澱粉,崩解劑以羧甲基澱粉鈉效果最佳,各項指标均符合中國藥典。
Conclusion: With starch, microcrystalline cellulose and other recipients was prepared for the dissolution of the pellets with good reproducibil…
結論:以澱粉、微晶纖維素等為輔料制備出的微丸溶出度重現性好,質量穩定,口感好。
Among starch, microcrystalline cellulose, mannitol and pre-gelatinized starch, one ingre***nt or more than two ingre***nt compound can be chosen as diluent agent (filling agent);
稀釋劑(填充劑)可選擇澱粉、微晶纖維素、甘露醇、預膠化澱粉中的一種或兩種以上************;
The in vitro antioxidant activities of gallic acid microcrystalline cellulose ester were evaluated and its acute toxicity in mice was stu***d.
采用體外動物實驗對沒食子酰微晶纖維素酯抗氧化性能進行評價,并進行急性毒理學研究。
Results: The optimized formulation contained 30% microcrystalline cellulose, 10% L hydroxypropyl cellulose, 5% sodium carboxymethyl starch and 25% dextrin.
結果:優化所得處方為微晶纖維素30 % ,羟丙纖維素1 0 % ,羧甲基澱粉鈉5 % ,糊精約2 5 %。
微晶纖維素(Microcrystalline Cellulose, MCC)是一種通過天然纖維素原料(如木漿或棉漿)經酸水解和機械處理制成的白色、無味、無臭的粉末狀物質。其生産過程通過酸水解去除纖維素中的無定形區域,保留高度結晶的微晶結構,最終形成粒徑在20-200微米的顆粒,具備優異的物理穩定性和化學惰性。
在制藥領域,微晶纖維素被廣泛用作片劑和膠囊的賦形劑,主要發揮粘合劑、填充劑和崩解劑功能。美國藥典(USP)專論指出,其高壓縮性和流動性可有效提升片劑硬度和均勻度。食品工業中,它作為抗結劑(E460i)應用于奶酪、調味料等産品,被世界衛生組織食品添加劑聯合專家委員會(JECFA)認定為安全物質。化妝品行業則利用其吸附特性,将其用于控油粉體和膏霜類産品的質地改良。
該物質的理化性質包括:密度1.5-1.6 g/cm³,熔點260-270℃分解,幾乎不溶于水和有機溶劑。毒理學研究顯示其不被人體代謝,經口LD50>5,000 mg/kg(大鼠),符合FDA的GRAS安全認證标準。歐洲藥品質量管理局(EDQM)在現行《歐洲藥典》中詳細規範了其粒徑分布、水分含量和重金屬殘留等質量指标。
微晶纖維素(Microcrystalline Cellulose,簡稱MCC)是一種由天然纖維素經化學處理制得的功能性材料,以下是其詳細解析:
微晶纖維素是以β-1,4-葡萄糖苷鍵結合的直鍊式多糖,通過稀酸水解天然纖維素至極限聚合度(約15-375)制成,最終形成白色、無臭、無味的短棒狀或多孔粉末。其分子式為(C₆H₁₀O₅)ₙ,晶體結構介于無定形和結晶态之間,故稱“微晶”。
通過天然纖維素(如木漿或棉纖維)與稀酸(如鹽酸)水解反應,去除無定形區,保留結晶部分,再經幹燥、粉碎得到成品。
如需更詳細的技術參數或行業标準,可參考制藥輔料手冊(如USP/NF)或相關化學品數據庫。
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