Table 2 Change of color measurement of papyrus samples treated with lavender and camphor at 0.5% before and after different accelerated aging methods

Control.

79.23

6.13

20.34

0.00

Heat the aged, untreated sample.

78.48

6.97

21.50

1.61

Light-aged untreated sample.

80.68

6.53

16.50

5.48

Treated sample with lavender oil.

80.51

5.23

19.03

3.64

Heat aged treated sample with lavender oil.

80.40

5.92

18.70

0.77

Light aged treated sample with lavender oil.

79.48

6.08

16.20

3.12

Treated sample with camphor oil.

80.14

4. 98

18.36

4.07

Heat aged treated sample with camphor oil.

79.64

5.96

18.67

1.14

Light aged treated sample with camphor oil.

79.48

6.08

16.20

2.51