这些细胞中填满了包埋在蛋白质基质中的淀粉粒。
These cells are packed full of starch grains, which are embeded in a matrix of protein.
方法：以甘薯淀粉废水为发酵基质，进行菌株筛选、发酵工艺优化及油脂成分的气相色谱分析。
Methods:using starch waste water as fermenting medium, strains screening, fermenting technics optimization, GC analysis of oils were studied.
它的基质很少，多含有呈长梭形的、电子密度非常低的淀粉粒，并有一些电子密度较高的条带结构。
The amyloplast usually possessed a larger, very low electron density starch grain which mainly was long shuttle and there were some higher electron density partition or wedge structure in it.
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