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International Journal of Interdisciplinary Research

Table 10 UV protection values of cotton dyed with untreated and hydrolyzed extract of Flos Sophorae

From: UV protection effect of cotton dyed with Flos Sophorae (Sophora Japonica L.) extracted with acid hydrolysis

Dyebath conc

Dyeing time

Untreated Flos Sophorae extract

Hydrolyzed Flos Sophora extract

UPF

Transmittance (%)

UPF

Transmittance (%)

Mean

SE

UVA

UVB

Mean

SE

UVA

UVB

Undyed

 

6.57

0.21

17.72

18.22

6.57

0.21

17.72

18.22

50:50

FS:DW

30 min

10.00

0.15

9.34

9.92

10.84

0.03

9.67

10.07

60 min

9.70

0.11

9.27

9.76

13.57

0.90

8.51

9.25

75:25

FS:DW

30 min

10.74

0.18

9.13

9.61

11.63

0.23

9.69

10.02

60 min

10.30

0.11

9.32

9.83

13.80

0.74

7.96

8.52

Mean

10.19

0.14

9.27

9.78

12.46

0.48

8.96

9.47