91高清自产国产拍,无码免费A级毛片大全,日本 欧美 国产中文字幕,99re热视频这里只有精品视频首页

Dextrans

Dextrans in chemistry are branched polysaccharides composed of α-D-glucose units linked by α-1,6 or α-1,3 glycosidic bonds. They are produced by the hydrolysis of starch or by certain lactic acid bacterial. They have various applications in pharmaceutical, biomedical, and industrial fields.

View as Grid List

Items 1-15 of 84

Set Descending Direction
Page
per page

91高清自产国产拍,无码免费A级毛片大全,日本 欧美 国产中文字幕,99re热视频这里只有精品视频首页

品牌简介

{转码主词}