antibiotic substance 中文意思是什麼
antibiotic substance
解釋
抗菌素；抗生素- antibiotic : adj. 1. 破壞[傷害]生命的。2. 抗生的，抗菌的。n. 抗生素。
- substance : n 1 物質，材料；【哲學】實體，本體，本質 （opp appearance）。2 實質，內容；（故事等的）要旨，要領...
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In this experiment, some conclusions were drawn. after being steriled, explants were treated by using antibiotic substance solution with a level of l00mg / l for 30 min, the non - contamination rate was up to 80 % - 92 %
實驗結果表明，在外植體表面滅菌后使用100mg l的抗生素溶液處理30min ，未污染率達到80 - 92 ，效果最為理想。 -
Then, tlc was used to purify them, and antibiotic experiments were made to define which was the main antibiotic substance. results showed, orange pigment was the major antibiotic substance, and it could inhibit bacteria, but had no effect on yeasts and algae. the diameter of the inhibition zone was directly proportional to the value of absorption of orange pigment
（ 2 ）利用吸附柱分離三種色素，並用tlc法純化，刮取相應的色素點， 70乙醇溶解，濃縮，進行抑菌實驗，證實橙色素是主要的抑菌物質，對細菌具有較強的抑制效果，其抑菌性與其吸光度呈正比變化，橙色素對酵母菌和黴菌無抑制效果。
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