What is a glucoside obtained from the Æsculus hippocastanum, or horse- chestnut, and characterized by its fine blue fluorescent solutions. [Written also æsculin.] called?

esculin — A glucoside obtained from the Æsculus hippocastanum, or horse- chestnut, and characterized by its fine blue fluorescent solutions. [Written also æsculin.]. (Webster's 1913.)

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