<div class="mt-[20px]" style="color: #232323;" data-v-11154677=""> <div class="j-label" style="color: #333333;" data-v-11154677="">产品介绍</div> <div class="editor-content-view" data-v-11154677=""> <div data-v-11154677=""> <p><span style="color: #595959;">酵母氮源基础（Yeast Nitrogen base，YNB），亦可称为酵母基础氮源，由氮源、微量元素、维生素及无机盐等复配而成，主要为酵母菌（包括酿酒酵母菌和毕赤酵母菌）培养提供无氨基氮源和生长因子，是酵母营养缺陷型筛选培养基（Drop-out medium）的组分，用于酵母菌的营养缺陷型筛选培养和表达培养，如配制SD筛选培养基、RD培养基、MD培养基、MM培养基、MG培养基等。YNB为酵母生长提供无氨基酸氮源和生长因子。</span></p> <p><span style="color: #595959;">本产品含硫酸铵，不含氨基酸。</span></p> <p>&nbsp;</p> <p><span style="color: #595959;"><strong>产品成分</strong></span></p> <table style="width: 100%;" border="1" cellspacing="1"> <tbody> <tr> <td colspan="1" rowspan="1" width="32.9200%">类别</td> <td colspan="1" rowspan="1" width="45.1200%">组分</td> <td colspan="1" rowspan="1" width="21.9400%">含量</td> </tr> <tr> <td colspan="1" rowspan="1" width="32.9200%">氮源（Nitrogen Source）</td> <td colspan="1" rowspan="1" width="45.1200%">硫酸铵 Ammonium Sulfate</td> <td colspan="1" rowspan="1" width="21.9400%">5.0 g</td> </tr> <tr> <td colspan="1" rowspan="9" width="32.9200%">维生素（Vitamins）</td> <td colspan="1" rowspan="1" width="45.1200%">生物素 Biotin</td> <td colspan="1" rowspan="1" width="21.9400%">2.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">泛酸钙 Calcium Pantothenate</td> <td colspan="1" rowspan="1" width="21.9400%">400.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">叶酸 Folic Acid</td> <td colspan="1" rowspan="1" width="21.9400%">2.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">肌醇 Inositol</td> <td colspan="1" rowspan="1" width="21.9400%">2,000.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">烟酸 Niacin</td> <td colspan="1" rowspan="1" width="21.9400%">400.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">对氨基苯甲酸 p-Aminobenzoic Acid</td> <td colspan="1" rowspan="1" width="21.9400%">200.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">盐酸吡哆醇 Pyridoxine Hydrochloride</td> <td colspan="1" rowspan="1" width="21.9400%">400.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">核黄素 Riboflavin</td> <td colspan="1" rowspan="1" width="21.9400%">200.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">盐酸硫胺素 Thiamine Hydrochloride</td> <td colspan="1" rowspan="1" width="21.9400%">400.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="7" width="32.9200%">微量元素（Compounds Supplying Trace Elements）</td> <td colspan="1" rowspan="1" width="45.1200%">硼酸 Boric Acid</td> <td colspan="1" rowspan="1" width="21.9400%">500.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">硫酸铜 Copper Sulfate</td> <td colspan="1" rowspan="1" width="21.9400%">40.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">碘化钾 Potassium Iodide</td> <td colspan="1" rowspan="1" width="21.9400%">100.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">氯化铁 Ferric Chloride</td> <td colspan="1" rowspan="1" width="21.9400%">200.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">硫酸锰 Manganese Sulfate</td> <td colspan="1" rowspan="1" width="21.9400%">400.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">钼酸钠 Sodium Molybdate</td> <td colspan="1" rowspan="1" width="21.9400%">200.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">硫酸锌 Zinc Sulfate</td> <td colspan="1" rowspan="1" width="21.9400%">400.0 &mu;g</td> </tr> <tr> <td colspan="1" rowspan="4" width="32.9200%">盐（Salts）</td> <td colspan="1" rowspan="1" width="45.1200%">磷酸二氢钾 Monopotassium Phosphate</td> <td colspan="1" rowspan="1" width="21.9400%">1.0 g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">硫酸镁 Magnesium Sulfate</td> <td colspan="1" rowspan="1" width="21.9400%">0.5 g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">氯化钠 Sodium Chloride</td> <td colspan="1" rowspan="1" width="21.9400%">0.1 g</td> </tr> <tr> <td colspan="1" rowspan="1" width="45.1200%">氯化钙 Calcium Chloride</td> <td colspan="1" rowspan="1" width="21.9400%">0.1 g</td> </tr> </tbody> </table> <p>&nbsp;</p> </div> </div> </div> <div class="mt-[20px]" style="color: #232323;" data-v-11154677=""> <div class="j-label" style="color: #333333;" data-v-11154677="">产品特色</div> <div class="editor-content-view" data-v-11154677=""> <div data-v-11154677=""> <p>&nbsp;</p> <table> <tbody> <tr> <td colspan="1" rowspan="1" width="126.86"><span style="color: #595959;">外观</span></td> <td colspan="1" rowspan="1" width="auto"><span style="color: #595959;">类白色、自由流动、均匀分布粉末</span></td> </tr> <tr> <td colspan="1" rowspan="1" width="auto"><span style="color: #595959;">溶液</span></td> <td colspan="1" rowspan="1" width="auto"><span style="color: #595959;">0.67%（1&times;）或6.7%（10&times;）溶液，搅拌促进溶解于蒸馏水。1&times;溶液呈无色*灰黄色，透明；10&times;溶液呈黄色透明。</span></td> </tr> <tr> <td colspan="1" rowspan="1" width="auto"><span style="color: #595959;">pH（25&deg;C）</span></td> <td colspan="1" rowspan="1" width="auto"><span style="color: #595959;">5.4 &plusmn; 0.2</span></td> </tr> </tbody> </table> <p><span style="color: #595959;"><strong>配制方法（仅供参考）</strong></span></p> <p><span style="color: #595959;">（一）单独配制YNB</span></p> <p><span style="color: #595959;">1.称取6.7 g YNB加纯水至1 L，搅拌溶解，为1&times;YNB溶液，溶液澄清呈无色至淡黄色，常温(25℃) pH 5.4&plusmn;0.2；</span></p> <p><span style="color: #595959;">2.称取67 g YNB加纯水至1 L，搅拌溶解，为10&times;YNB溶液，溶液澄清呈黄色。</span></p> <p><span style="color: #595959;">（二）配制培养基</span></p> <p><span style="color: #595959;">1. 称取6.7 g YNB（毕赤酵母一般为13.4 g/L），以及相应量的碳源、氨基酸、琼脂或其它补充营养成分，混匀，pH调至所需（多为5.8），121℃高压灭菌15分钟。</span></p> <p><span style="color: #595959;">2. 也可配制10&times;YNB溶液，0.2 &mu;m孔径滤器过滤除菌，以保证生物素在内有机物避免高压灭菌遭到破坏，培养基的其它成分（预调pH值）高压灭菌后冷却至60℃加入10&times;YNB溶液。</span></p> </div> </div> </div> <div class="mt-[20px]" style="color: #232323;" data-v-11154677=""> <div class="j-label" style="color: #333333;" data-v-11154677="">存储条件</div> <div class="editor-content-view" data-v-11154677=""> <div data-v-11154677=""> <p><span style="color: #595959;">室温运输和保存，有效期5年。</span></p> </div> </div> </div>