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Study on Extraction and Determination of Choline in Pine Pollen

LI Ying LIu Zhi-He LIu Jian-Xiang LIu Xin-Jian Chen Wei Yantai New Era Health Industry Co,Ltd,No. 6 Huaihelu,Yantai Ecomic Technoic Development, Yantai,Shandong 264006,P. R. China a Health and Anti-Epidemic Station of Yantai Ecomic Technoic Development,Yantai,Shandong 264006,P. R. China  
Choline in pine pollen was extracted and determined by spectrophotometry with reinecke salt at 526nm. The linear of this measurement was valid at the range of 0-0.5mg · mL-1. The method is accurate and reliable.
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