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幫幫忙!求助專業(yè)翻譯!不勝感激!
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選用ADS一7吸附樹脂從甜菊葉浸取液中提取甜菊糖苷, 采用AB-8樹脂吸附甜菊糖,將洗脫液烘干得到淺黃色的粗甜菊糖苷,后經(jīng)99%乙醇重結(jié)晶后制得純度較高的甜菊糖苷。 采用AB-8樹脂吸附甜菊糖,并配合離子交換樹脂進(jìn)行脫鹽脫色,經(jīng)冷凍干燥得到淡黃色的甜葉菊苷。后經(jīng)有機(jī)溶劑乙醇進(jìn)行重結(jié)晶效果較為理想。 分別用不同的表達(dá)方式來翻譯。不勝感激! |

無蟲
笑熬漿糊——滿腦漿糊
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ADS-7 absorptive resin was selected to extract stevia from leaching solution of Stevia leaf. AB-8 resin was used to absorb stevioside, in which a light yellow crude Stevia was obtained by drying the eluate first, and then a high purity stevia was prepared by recrystallization method in 99% ethanol. Stevioside could be absorbed by AB-8 resin it could be further desalted and decolorized by using ion exchange resin, based on which a yellow stevioside could be obtained by freeze-drying process. It will be better to take recrystallization using organic solvent such as ethanol. 試了一下,僅供參考。 |

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