Effects of α-pinene Fumigation on Detoxifying Enzymes Activities of Zophobas morio Studies on Essential Oil Composition in Leaves of Torreya grandis cv. ‘Merrillii‘ and Chemotaxonomy Study on the Detecting Methods of the Imported Materia Medica——Olibanum Effects of simulated nitrogen deposition on main components of volatile oil in Perilla frutescens Simultaneous determination of α-pinene, β-pinene, eucalyptol and α-terpineolin in essential oil from Alpinia officinarum Hance by GC Simultaneous determination of α-pinene, β-pinene, eucalyptol and α-terpineolin in essential oil from Alpinia officinarum Hance by GC Repellency of α-pinene against stripped flea beetle,Hyllotreta striolata(F). A STUDY ON CHEMICAL CONSTITUENTS OF ESSENTIAL OIL FROM ABIES FARGESII FRANCH. LEAVES Herbalism, botany and components analysis study on original plants of frankincense