Levoglucose is a sugar isomeric with dextroglucose, but distinguished from it by turning the plane of polarization to the left, and always occurring along with it in honey, in many fruits, and in other sacchariferous vegetable organs. Found on http://www.probertencyclopaedia.com/browse/GL.HTM
levoglucose The d-isomer (also referred to as fruit sugar, levoglucose, levulose, and d-arabino-2-hexulose) is a 2-ketohexose that is physiologically the most important of the ketohexoses and one of the two products of sucrose hydrolysis; it is metabolized or converted to glycogen in the absence of insulin; fructose. Found on http://www.wordinfo.info/words/index/info/view_unit/1179/