芥末牙膏?

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正如壽司愛好者所知,只需一點芥末就能起到很大作用。但這種辛辣的綠色辣根可能不僅僅是讓你的金槍魚卷更上一層樓。根據昨天在檀香山舉行的環太平洋地區國際化學大會上發表的研究,芥末可能有助於預防蛀牙。日本小川香料株式會社材料研究開發實驗室主任増田秀樹報告說,在試管研究中,芥末中發現的某些化合物——特別是異硫氰酸酯——抑制了導致齲齒的細菌變形鏈球菌的生長。増田說,這些異硫氰酸酯會干擾細胞對牙齒的糖依賴性粘附。(這種抗菌特性也可能解釋了芥末作為生魚片佐料的流行。)當然,基於芥末的牙齒護理產品是否會上市還有待觀察。

Kate Wong is an award-winning science writer and senior editor at 大眾科學 focused on evolution, ecology, anthropology, archaeology, paleontology and animal behavior. She is fascinated by human origins, which she has covered for more than 25 years. Recently she has become obsessed with birds. Her reporting has taken her to caves in France and Croatia that Neandertals once called home, to the shores of Kenya's Lake Turkana in search of the oldest stone tools in the world, to Madagascar on an expedition to unearth ancient mammals and dinosaurs, to the icy waters of Antarctica, where humpback whales feast on krill, and on a "Big Day" race around the state of Connecticut to find as many bird species as possible in 24 hours. Kate is co-author, with Donald Johanson, of Lucy's Legacy: The Quest for Human Origins. She holds a bachelor of science degree in biological anthropology and zoology from the University of Michigan. Follow Wong on X (formerly Twitter) @katewong

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