Pectins are demonstratet by staining with ruthenium red.
可以用钌红来鉴定果胶。
The pectic substances can be classed protopectins, pectins and pectin acids.
果胶物质分成原生质果胶，果胶和果胶酸。
Pectins we need maily depend on importation, which increases production cost and resource dependance.
我国各行业所需果胶基本上依靠进口，增加了生产成本和资源依赖性。
The comprehensive utilization of pectins, volatile materials and various glucosides of citrus peels were recommended emphatically.
着重介绍了柑桔果皮中果胶、发性物质及各种配糖体的综合开发利用。
The comprehensive utilization of pectins, volatile materials and various glucosides of citrus peels were recommended emphatically.
着重介绍了柑桔果皮中果胶、发性物质及各种配糖体的综合开发利用。
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