. 2021 Jul 29;14(8):747. doi: 10.3390/ph14080747

Table 5.

Content of carnosol (CA) in the acetonic extracts of wild plant and callus samples of R. officinalis.

Entry	Treatment	Retention Time (min)	Retention Factor	Absorbance (AU)	Carnosol Concentration (μg mL⁻¹) ¹	Carnosol Concentration as mg g⁻¹ DW ²
1	6-BAP (2.5 mgL⁻¹)	9.16 ± 0.001	2.77	0.400 ± 0.001	77.71 ± 0.13	0.7771
2	6-BAP (2.5 mgL⁻¹) + 28.87 μg mL⁻¹ CA	9.13 ± 0.004	2.76	0.527 ± 0.006	101.56 ± 1.24	-
3	6-BAP (2.5 mgL⁻¹) + 53.33 μg mL⁻¹ CA	9.15 ± 0.002	2.77	0.650 ± 0.001	126.27 ± 0.30	-
4	6-BAP (5.0 mgL⁻¹)	8.97 ± 0.023	2.69	0.387 ± 0.001	75.74 ± 0.33	0.7574
5	6-BAP (5.0 mgL⁻¹) + 28.87 μg mL⁻¹ CA	9.01 ± 0.009	2.71	0.463 ± 0.004	90.61 ± 0.78	-
6	6-BAP (5.0 mgL⁻¹) + 53.33 μg mL⁻¹ CA	9.00 ± 0.012	2.70	0.551 ± 0.001	107.1 ± 0.75	-
7	Wild plant	9.11 ± 0.004	2.75	0.050 ± 0.001	9.68 ± 0.21	0.0968
8	CA (173.24 μg mL⁻¹)	9.21 ± 0.011	2.79	0.892 ± 0.001	173.24 ± 0.39

¹ Average values ± SD. ² The concentration of carnosol expressed as milligrams of carnosol per gram of plant dry weight (mg/g DW).