A New Ornamental Flower Cultivar Curcuma kwangsiensis var. nanlingsis‘Xiangning’ Comparison of curcumol contents in essential oil from four species of rhizoma Curcumae L. A New Medicinal and Ornamental Cultivar Curcuma kwangsiensis
‘Manao’
A New Ornamental Flower Cultivar Curcuma kwangsiensis var. nanlingsis‘Xiangning’ β-Elemene from volatile oil of Curcuma kwangsiensis by supercritieal fluid extraction