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| 據(jù)文獻報道,經(jīng)樹脂法提取得到的甜菊糖產(chǎn)品都為淡黃色產(chǎn)品,需經(jīng)過重結(jié)晶法才能得到白色粉末產(chǎn)品。本實驗主要是探討經(jīng)過樹脂吸附、脫鹽、脫色后,不需要經(jīng)過重結(jié)晶,經(jīng)噴霧干燥就能得到純度較高且白色粉末狀甜菊糖產(chǎn)品。并且結(jié)合紫外、紅外、高效液相、熱重分析等方法對提取得到的甜菊糖做了進一步的研究分析。 |

版主 (文壇精英)
米米
| According to the references, product of stevia obtained by resin method are light yellow and needs re-crystallization to get white powder product. This experiment is discussing about getting high-purity and white power product of steiva via atomizing drying instead of re-crystallization after resin absorption, salt extraction, and color extraction. Also further study and analysis are conducted on obtained stevia by combining ultraviolet, infrared, high efficient liquid phase, and heat analysis. |
銅蟲 (小有名氣)
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It was reported that the color of stevioside products, extracted by resin, was light yellow, and the white powder could be obtained, followed by recrystallization. In this paper, a new manufacturing technique was developed, with which white powder of stevioside, characterized high purity quotient, was produced, after adsorption of resin, desalting, decoloring and sponging drying without recrystallization. And depending on such products, the further analysis, by UV, IR, HPLC and TGA, was developed. 僅供參考,希望對您有用。 |


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