【摘 要】
：
本文以6种代表性甜菊糖苷及其肠道代谢物甜菊醇以及甜菊醇的重排异构体异甜菊醇为对象,研究了上述甜菊化合物的抗氧化性及其对鼠巨噬细胞Raw264.7的细胞毒性和抗炎活性。结果
【基金项目】
：
国家自然科学基金(31772017).
论文部分内容阅读
本文以6种代表性甜菊糖苷及其肠道代谢物甜菊醇以及甜菊醇的重排异构体异甜菊醇为对象,研究了上述甜菊化合物的抗氧化性及其对鼠巨噬细胞Raw264.7的细胞毒性和抗炎活性。结果表明,所试甜菊糖苷在100μg/mL内对鼠巨噬细胞的Raw264.7均无细胞毒性,也不会诱导炎症反应;其中异甜菊醇抗炎效果最优,100μg/mL时相对于脂多糖刺激后产生的NO含量降低了约30.7%。所试甜菊糖苷对DPPH·和·OH两种自由基的清除率最高分别为24.8%和13.8%,其对DPPH·的清除能力具有
其他文献
<正>More methods can be used to remove the additive noise, such as the Mean of Least Variance (MLV) filter. When the signal is noised by the multiplicative nois
<正>Collaborative filtering recommender systems often suffer from the 'Matchmaker' problem, which comes from the false assumption that users are counted
<正>Previously, a novel classifier called Kernel-based Nonlinear Discriminator (KND) was proposed to discriminate a pattern class from other classes by minimizi
<正>Most of the multimedia applications require strict Quality-of-Service (QoS) guarantee during the communication between a single source and multiple destinat
<正>Word Sense Disambiguation (WSD) is to decide the sense of an ambiguous word on particular context. Most of current studies on WSD only use several ambiguous
<正>The paper presents a new architecture composed of bit plane-parallel coder for Embedded Block Coding with Optimized Truncation (EBCOT) entropy encoder used
大坝安全巡视是大坝安全监测的重要手段,也是识别大坝运行状况并对异常情况进行成因分析的重要依据.但在实际工作中,由于对巡视检查结果的分析不是很重视,往往只能是对巡视的
目的:建立了超高效液相色谱法(UPLC)测定猪肉中色胺、β-苯乙胺、腐胺、尸胺、组胺、章鱼胺、酪胺、亚精胺、精胺含量的方法,并对该检测方法进行优化。方法:样品用5%TCA提取,
<正>Active worms can cause widespread damages at so high a speed that effectively precludes human-directed reaction, and patches for the worms are always availa