The Dual Antimelanogenic and Antioxidant Activities of the Essential Oil Extracted from the Leaves of Acorus macrospadiceus (Yamamoto) F. N. Wei et Y. K. Li

Table 1

Chemical composition of the essential oil from the leaves of A. macrospadiceus.

𝑅𝑡^a	Compound^b	M. f.^c	Peak area (%)	Classification
27.25	o-Cymene	C10H14	2.85	Aromatic compound
27.47	Limonene	C10H16	7.82	Monoterpene
30.94	Linalool	C10H18O	3.00	Alcohol
33.03	Isomenthone	C10H18O	3.64	Ketone
33.97	(−)-Menthol	C10H20O	0.85	Alcohol
35.28	Chavicol methyl ether	C10H12O	54.01	Ether
39.04	Linalyl formate	C11H18O2	2.57	Ester
46.54	Nerol acetate	C12H20O2	0.68	Ester
47.48	Geranyl acetate	C12H20O2	0.52	Ester
51.39	τ-Selinene	C15H24	0.33	Sesquiterpene
51.68	Eremophilene	C15H24	3.39	Sesquiterpene
53.80	Isosafrole	C10H10O2	1.72	Ether
58.28	Nootkatone	C15H22O	15.92	Ketone
	Unknown		2.69

^a𝑅_𝑡: Retention time (min). ^bThe components were identified by their mass spectra and retention indicates (RIs) of the Wiley and NIST mass spectral databases and previously published RIs. ^cM. f.: Molecular formula.