L-arginine

Details:

<p class="ordinary-output target-output"> <span left-pos="0|10" right-pos="0|10" space="">L-Arginine</span><span left-pos="10|1" right-pos="10|1" space="0| "> (</span><span left-pos="11|26" right-pos="11|26" space="0| ">L-1-Amino-4-guanidovaleric</span><span left-pos="38|4" right-pos="38|4" space="0| "> acid</span><span left-pos="42|1" right-pos="42|1" space="0| ,1| ">)</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 对成人为非必需氨基酸，但体内生成速度教慢，对婴幼儿为必需氨基酸，有一定解毒作用。</p> <p class="ordinary-output target-output"> <span left-pos="46|3" right-pos="0|3" space="">The</span><span left-pos="49|6" right-pos="3|6" space="0| "> adult</span><span left-pos="55|6" right-pos="9|6" space="0| "> is a non</span><span left-pos="61|15" right-pos="15|15" space="0| "> essential amino acids</span><span left-pos="76|3" right-pos="30|3" space="">,</span><span left-pos="79|9" right-pos="33|9" space="0| "> but the body</span><span left-pos="88|12" right-pos="42|12" space="0| "> generating speed</span><span left-pos="103|3" right-pos="57|3" space="0| "> slow</span><span left-pos="109|3" right-pos="63|3" space="0| "> to</span><span left-pos="100|3" right-pos="54|3" space="0| "> teach</span><span left-pos="112|9" right-pos="66|9" space="0| "> infants</span><span left-pos="106|3" right-pos="60|3" space="">,</span><span left-pos="121|18" right-pos="75|18" space="0| "> essential amino acids</span><span left-pos="139|3" right-pos="93|3" space="">,</span><span left-pos="142|9" right-pos="96|9" space="0| "> have a certain</span><span left-pos="151|12" right-pos="105|12" space="0| "> detoxification</span><span left-pos="163|3" right-pos="117|3" space="1| ">.</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 天然品大量存在于鱼精蛋白等中，亦为各种蛋白质的基本组成，故存在十分广泛。</p> <p class="ordinary-output target-output"> <span left-pos="169|9" right-pos="0|9" space="">Natural products</span><span left-pos="178|15" right-pos="9|15" space="0| "> in</span><span left-pos="193|15" right-pos="24|15" space="0| "> protamine</span><span left-pos="208|6" right-pos="39|6" space="">,</span><span left-pos="214|3" right-pos="45|3" space="0| "> also</span><span left-pos="217|3" right-pos="48|3" space="0| "> as the basic composition</span><span left-pos="220|18" right-pos="51|18" space="0| "> of various proteins</span><span left-pos="250|3" right-pos="81|3" space="">,</span><span left-pos="253|9" right-pos="84|9" space="0| "> so there are</span><span left-pos="262|12" right-pos="93|12" space="0| "> very wide</span><span left-pos="274|3" right-pos="105|3" space="1| ">.</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 分子式：C6H14N4O2</p> <p class="ordinary-output target-output"> <span left-pos="280|21" right-pos="0|21" space="1| ">Molecular formula: C6H14N4O2</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 分子量：174.20</p> <p class="ordinary-output target-output"> <span left-pos="304|9" right-pos="0|9" space="">Molecular weight</span><span left-pos="313|3" right-pos="9|3" space="">:</span><span left-pos="316|6" right-pos="12|6" space="0| ,1| "> 174.20</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 性状:白色斜方晶系(二水物)晶体或白色结晶性粉末.熔点244℃(分解).经水重结晶后,于105 ℃失去结晶水.其水溶性呈强碱性,可从空气中吸收二氧化碳.溶于水(15%,21℃),不溶于乙醚,微溶于乙醇.</p> <p class="ordinary-output target-output"> <span left-pos="325|13" right-pos="0|13" space="">Properties: white</span><span left-pos="338|12" right-pos="13|12" space="0| ">thorhombic</span><span left-pos="350|1" right-pos="25|1" space="0| "> (</span><span left-pos="351|6" right-pos="26|6" space="0| ">two water</span><span left-pos="357|4" right-pos="32|4" space="0| "> content)</span><span left-pos="361|6" right-pos="36|6" space="0| "> crystal</span><span left-pos="367|24" right-pos="42|24" space="0| "> white crystalline powder</span><span left-pos="391|1" right-pos="66|1" space="">.</span><span left-pos="392|12" right-pos="67|12" space="0| "> Melting point is 244 ℃</span><span left-pos="404|1" right-pos="79|1" space=""> (</span><span left-pos="405|6" right-pos="80|6" space="0| ">decomposition</span><span left-pos="411|1" right-pos="86|1" space="0| ">)</span><span left-pos="412|1" right-pos="87|1" space="">.</span><span left-pos="413|3" right-pos="88|3" space="0| "> The</span><span left-pos="416|3" right-pos="91|3" space="0| "> water</span><span left-pos="419|12" right-pos="94|12" space="0| "> after recrystallization</span><span left-pos="431|1" right-pos="106|1" space="">,</span><span left-pos="432|10" right-pos="107|10" space="0| "> at 105 ℃</span><span left-pos="442|15" right-pos="117|15" space=""> loses water of crystallization</span><span left-pos="457|1" right-pos="132|1" space="">.</span><span left-pos="458|12" right-pos="133|12" space="0| "> The water solubility</span><span left-pos="470|12" right-pos="145|12" space="0| "> is strongly alkaline</span><span left-pos="482|1" right-pos="157|1" space="">,</span><span left-pos="483|3" right-pos="158|3" space="0| "> can absorb</span><span left-pos="504|13" right-pos="179|13" space="0| "> carbon dioxide from the air.</span><span left-pos="517|9" right-pos="192|9" space="0| "> Soluble in water</span><span left-pos="526|1" right-pos="201|1" space="0| "> (</span><span left-pos="527|3" right-pos="202|3" space="0| ">15%</span><span left-pos="530|1" right-pos="205|1" space="">,</span><span left-pos="531|5" right-pos="206|5" space="0| "> 21 ℃</span><span left-pos="536|1" right-pos="211|1" space="">)</span><span left-pos="536|2" right-pos="211|2" space="">,</span><span left-pos="538|6" right-pos="213|6" space="0| "> insoluble</span><span left-pos="544|9" right-pos="219|9" space="0| "> in ether</span><span left-pos="553|1" right-pos="228|1" space="">,</span><span left-pos="554|9" right-pos="229|9" space="0| "> slightly soluble in</span><span left-pos="563|7" right-pos="238|7" space="0| ,1| "> ethanol.</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 质量标准：</p> <p class="ordinary-output target-output"> <span left-pos="573|12" right-pos="0|12" space="">Quality standard</span><span left-pos="585|3" right-pos="12|3" space="1| ">:</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 外观性状：白色结晶粉末</p> <p class="ordinary-output target-output"> <span left-pos="591|21" right-pos="0|21" space="">Appearance: white</span><span left-pos="612|12" right-pos="21|12" space="0| ,1| "> crystalline powder</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 含量：99.0%-100.0%</p> <p class="ordinary-output target-output"> <span left-pos="627|6" right-pos="0|6" space="">Content</span><span left-pos="633|3" right-pos="6|3" space="">:</span><span left-pos="636|12" right-pos="9|12" space="0| ,1| "> 99.0%-100.0%</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 比旋光度：+26.9o--27.9o</p> <p class="ordinary-output target-output"> <span left-pos="651|12" right-pos="0|12" space="">The specific rotation</span><span left-pos="663|3" right-pos="12|3" space="">:</span><span left-pos="666|13" right-pos="15|13" space="0| ,1| "> +26.9o--27.9o</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 透光率：≥98%</p> <p class="ordinary-output target-output"> <span left-pos="682|9" right-pos="0|9" space="">Transmittance</span><span left-pos="691|9" right-pos="9|9" space="0| ,1| ">: = 98%</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 氯化物：≤0.02%</p> <p class="ordinary-output target-output"> <span left-pos="703|9" right-pos="0|9" space="">Chloride</span><span left-pos="712|3" right-pos="9|3" space="">:</span><span left-pos="715|8" right-pos="12|8" space="1| "> ≤ 0.02%</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 硫酸盐含量：≤0.02%</p> <p class="ordinary-output target-output"> <span left-pos="726|15" right-pos="0|15" space="">The sulfate content</span><span left-pos="741|3" right-pos="15|3" space="">:</span><span left-pos="744|8" right-pos="18|8" space="1| "> ≤ 0.02%</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 铁含量：≤10ppm</p> <p class="ordinary-output target-output"> <span left-pos="755|12" right-pos="0|12" space="">Iron content:</span><span class="high-light-bg" left-pos="767|8" right-pos="12|8" space="1| "> ≤ 10ppm</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 重金属含量：≤10ppm</p> <p class="ordinary-output target-output"> <span left-pos="778|15" right-pos="0|15" space="">The content of heavy metals</span><span left-pos="793|3" right-pos="15|3" space="">:</span><span left-pos="796|8" right-pos="18|8" space="1| "> ≤ 10ppm</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 砷含量：≤1ppm</p> <p class="ordinary-output target-output"> <span left-pos="807|9" right-pos="0|9" space="">Arsenic content</span><span left-pos="816|3" right-pos="9|3" space="">:</span><span left-pos="819|7" right-pos="12|7" space="1| "> ≤ 1ppm</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 其他氨基酸：不得检验出。</p> <p class="ordinary-output target-output"> <span left-pos="829|15" right-pos="0|15" space="">Other amino acids</span><span left-pos="844|3" right-pos="15|3" space="">:</span><span left-pos="847|6" right-pos="18|6" space="0| "> not</span><span left-pos="853|9" right-pos="24|9" space="0| "> tested</span><span left-pos="862|3" right-pos="33|3" space="1| ">.</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 干燥失重：≤0.5%</p> <p class="ordinary-output target-output"> <span left-pos="868|12" right-pos="0|12" space="">Loss on drying</span><span left-pos="880|3" right-pos="12|3" space="">:</span><span left-pos="883|7" right-pos="15|7" space="1| "> ≤ 0.5%</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> 灼烧残渣: ≤0.10%</p> <p class="ordinary-output target-output"> <span left-pos="893|12" right-pos="0|12" space="">Residue on Ignition</span><span left-pos="905|1" right-pos="12|1" space="">:</span><span left-pos="907|8" right-pos="14|8" space="1| "> ≤ 0.10%</span></p> <p class="ordinary-output source-output" dir="ltr" style="display: none;"> PH值:10.5-12.0</p> <p class="ordinary-output target-output"> <span left-pos="918|6" right-pos="0|6" space="">PH value:</span><span left-pos="924|9" right-pos="6|9" space="0| ,1| "> 10.5-12.0</span></p>