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Keywords L Phenylalanine;Immobilized cell;Rhodotorula glutinis; 苯丙氨酸;固定化细胞;粘红酵母;
Keywords L aspartyl L phenylalanine methyl ester;synthesis;advance; 天门冬氨酰-L-苯丙氨酸甲酯;合成;进展;
Synthesis technology of aspartame from L aspartic acid and L phenylalanine was studied in this paper.At first,each step of the synthesis was investigated separately. 探讨了以天冬氨酸和苯丙氨酸为原料制备甜味剂阿斯巴甜的合成工艺。
In the enzyme L phenylalanine process,there are many impurity components in reaction liquid,such as mycelium and its fragment,enzymes,and bio macromolecule. 酶法生产L-苯丙氨酸的工艺中,反应液中含有大量的菌体及其碎片、酶和生物大分子等杂质。
Four kinds of methods for preparation of L phenylalanine are reviewed.The new development of asymmetric synthesis of L phenylalanine is also introduced. 对目前国内外L苯丙氨酸制备方法的研究进展进行了综述,并介绍了L苯丙氨酸不对称合成的最新研究进展。
Keywords Rhodotorula giutinis;L phenylalanine;L phenylalanine ammonia lyase; 粘红酵母;L-苯丙氨酸;苯丙氨酸解氨酶;
Keywords Rhodotorula glutinis;L phenylalanine;ammonia lyase（PAL）;L phenylalanine medium optimization.; 粘红酵母;L-苯丙氨酸解氨酶（PAL）;L-苯丙氨酸;培养基优化;
Keywords L -carnosine Liposome Antioxidant effects; 肌肽;脂质体;抗氧化作用;
Keywords L type zeolite;aluminosilicate crystal; 型沸石;硅酸铝晶体;
Keywords L tyrosine;incubation;L thyroxine; 酪氨酸;孵化反应;L-甲状腺素;
Keywords L keloma of ear lobe;Injection;Triamcinolone acetonide; 耳垂瘢痕瘤;注射;曲安奈德;
Keywords l paprika pigment;extract;solvent;stability; 辣椒红色素;提取;溶剂;稳定性;
Keywords L - theanine;ion exchange;extraction;Chinese tea; 茶氨酸;离子交换;提取;茶叶;
Keywords L thyroxin;metalloproteinases;TIMPs;RT PCR;CPU 0213; 左甲状腺素;基质金属蛋白酶;基质金属蛋白酶抑制剂;RT-PCR;CPU-0213;
Keywords L valine;breeding;fermentation;Brevibacterium flavum; 缬氨酸;诱变育种;发酵;黄色短杆菌;
Keywords L asparaginase;soluble expression;functional screening; 天门冬酰胺酶;可溶性表达;功能筛选;
Keywords L arge deformation Fine blanking Grid method; 大变形;精密冲裁;网格法;
Keywords L steel;Low cycle fatigue;Ratcheting;Dynamic strain aging; 316L钢;低周疲劳;棘轮行为;动态应变时效;
Keywords L Valine;stein breeding;fermentation conditions; 缬氨酸;菌种选育;发酵条件;
Keywords L NNA;\ NOS;\ Ultrastructure;\ Spinal cord injury;\ Rat; 超微结构;脊髓损伤;大鼠;