Teixeria has already determined that the sweetness of thaumatin is related to the specific charges across a large surface area over which thaumatin can bind to the principle human taste receptor.
特谢拉已经确定这种甜蛋白的甜度与蛋白表面某一区域的特定电荷有关，这一区域同人们主要的味觉受体相结合。
"We still have a long way to go to fully understand such a vital thing as taste, but neutrons will play an important role in research in this area, " she says.
要彻底地弄清楚味觉这样的东西，还需要很多研究工作要做，但中子的应用会在这一领域中起到重要角色，特谢拉说。
The reason, new research suggests, may be that the brain cells in the area responsible for the secondary, or extra, sense—for instance, the chocolate taste—are overly active.
新的研究认为，联觉产生的原因可能是负责第二（额外）感觉的区域的脑细胞过度活跃。
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