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绿豆皮中黄酮类物质浸提条件的优化研究 被引量:15
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作者 苏冰霞 郑为完 +1 位作者 李积华 张斌 《食品研究与开发》 CAS 北大核心 2007年第4期82-86,120,共6页
以乙醇溶液为浸提液,利用响应面实验设计考察乙醇浓度、浸提温度、时间和液固比对绿豆皮中黄酮类物质浸提效果的影响,并建立数学模型,优化得到了提取的最佳组合条件为:乙醇浓度16.4%,浸提温度93.9℃,时间2.83h和液固比26.7:1。优化后绿... 以乙醇溶液为浸提液,利用响应面实验设计考察乙醇浓度、浸提温度、时间和液固比对绿豆皮中黄酮类物质浸提效果的影响,并建立数学模型,优化得到了提取的最佳组合条件为:乙醇浓度16.4%,浸提温度93.9℃,时间2.83h和液固比26.7:1。优化后绿豆皮中黄酮提取率为5.55%,与模型预测值在α=0.05水平无显著性差异,模型预测效果好。 展开更多
关键词 绿豆皮 黄酮类物质 浸提条件 响应面分析
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Asymmetric outcomes in bilateral maxillary impacted tooth extractions:A case report
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作者 Han Liu Fang Wang +1 位作者 Yan-Li Tang Xing Yan 《World Journal of Radiology》 2024年第10期608-615,共8页
BACKGROUND The extraction of maxillary impacted teeth is a common procedure in oral surgery,frequently complicated by oroantral communications.For less-experienced clinicians,accurately assessing the difficulty and as... BACKGROUND The extraction of maxillary impacted teeth is a common procedure in oral surgery,frequently complicated by oroantral communications.For less-experienced clinicians,accurately assessing the difficulty and associated risks of maxillary third molar extractions remain a significant challenge.CASE SUMMARY We present a case involving disparate outcomes following bilateral extraction of maxillary third molars.Using cone-beam computed tomography and three-dimensional software,we conducted a digital assessment of the factors contributing to extraction difficulty and risk,controlling for potential confounders.Key variables analyzed included alveolar bone volume,bone quality,crown-root angulation,and maxillary sinus mucosal thickness.Additionally,we introduce the novel concept of"tegmen bone"to quantitatively evaluate the bone mass between the teeth and the maxillary sinus.This unique case,with differing outcomes on opposite sides of the same patient,provided an opportunity to minimize extraneous variables and focus on the local anatomical factors influencing the procedures,thereby improving the precision of our analysis.CONCLUSION This case highlights the potential utility of predictive analysis in guiding the management of complex tooth extractions. 展开更多
关键词 Cone-beam computed tomography Maxillary third molar tegmen bone Digital analysis Predictive analysis Case report
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