. 2020 Dec 23;26(1):45. doi: 10.3390/molecules26010045

Table 2.

Enantioselective analysis of some chiral constituents of C. taxifolium EO on diethyl-tert-butyldimethylsilyl-β-cyclodextrin column.

Component	RT ^a (min.)	LRI ^b	Enantiomer Percentage	ee%
(1S,5R)-(+)-α-thujene ^c	12.96	920	16.1	67.8
(1R,5S)-(−)-α-thujene ^c	13.20	924	83.9	67.8
(1R,5R)-(+)-α-pinene	13.72	933	92.8	85.5
(1S,5S)-(−)-α-pinene	13.85	935	7.2	85.5
(1R,5R)-(+)-β-pinene	15.28	959	5.0	90.0
(1S,5S)-(−)-β-pinene	15.76	967	94.9	90.0
(1R,5R)-(+)-sabinene	16.85	985	43.9	12.3
(1S,5S)-(−)-sabinene	17.66	998	56.2	12.3
(S)-(−)-limonene	21.55	1061	94.1	88.1
(R)-(+)-limonene	22.59	1078	5.9	88.1
(R)-(−)-linalool	29.84	1198	33.7	32.7
(S)-(+)-linalool	30.47	1209	66.3	32.7
(S)-(+)-terpinen-4-ol	33.98	1270	45.4	9.3
(R)-(−)-terpinen-4-ol	34.12	1272	54.6	9.3
(S)-(−)-α-terpineol	36.37	1312	85.6	71.2
(R)-(+)-α-terpineol	37.13	1326	14.4	71.2
(R)-(+)-germacrene D	38.74	1354	5.5	89.0
(S)-(−)-germacrene D	45.15	1474	94.5	89.0

^a Retention time (RT); ^b Linear Retention Index (LRI) calculated on the 30% diethyl-tert-butyldimethylsilyl-β-cyclodextrin in PS-086 column; ^c tentative enantiomer identification according to [38]; ee = enantiomeric excess.