油囊就是软油囊，软油囊是由耐油胶布粘接而成的油料携行容器。
当油细胞发育成熟后，细胞质及核开始解体，整个油细胞的腔由大液泡充满，成为油囊。
After it reaches its maturity, the whole volume of the oil cell is filled with the large vacuole, which becomes the oil sac subsequently.
这种微囊进一步优选包含甲基纤维素、叶绿酸的一种或几种和至少一种植物油。
The microcapsules further preferably comprise one or more of methylcellulose, chlorophyllin and at least one vegetable oil.
目的：优化姜油树脂海藻酸钠-壳聚糖微囊的制备工艺，并对其稳定性进行考察。
Aim: to optimize the preparation of the ginger oleoresin alginate-chitosan microcapsules and to study its stability.
应用推荐