建立以高效液相色谱荧光(HPLC-FLD)法测定胡椒(Piper nigrum L.)中阿维菌素含量的方法。样品用乙腈提取,经氨基柱净化,衍生后,以HP......

It is very important to find out the reasons and the morphological changes of cattle abortion,death embryo and teratism ......

以野生龙葵果为主要原料，经乳酸发酵，再经调配、杀菌等工艺研制出龙葵乳酸发酵饮料。试验结果表明，龙葵乳酸发酵的最佳发酵条件为乳酸......