Table 8 Determination of color (M ± S, n = 3).

From: Study on effects of sweating treatment and different drying methods on the quality of Gentianae macrophyllae Radix

Sample

Surface

Powder

L*

a*

b*

L*

a*

b*

Oven drying after sweating treatment

43.376 ± 1.785

6.304 ± 1.322

15.334 ± 0.384

61.377 ± 0.012

5.210 ± 0.000

20.823 ± 0.025

Oven drying directly

54.291 ± 0.754

6.910 ± 0.134

21.645 ± 2.100

65.420 ± 0.182

5.160 ± 0.217

20.657 ± 0.205

Drying in the sun after sweating treatment

48.684 ± 7.087

6.379 ± 0.792

19.003 ± 2.255

64.790 ± 0.087

4.297 ± 0.006

20.517 ± 0.021

Drying in the sun directly

55.670 ± 1.128

7.814 ± 0.090

23.272 ± 0.411

69.993 ± 0.006

3.7867 ± 0.006

19.717 ± 0.015

Drying in shade after sweating treatment

38.655 ± 1.913

5.397 ± 0.308

15.378 ± 2.720

61.353 ± 0.006

4.530 ± 0.000

20.037 ± 0.015

Drying in shade directly

53.409 ± 1.421

6.083 ± 0.058

20.557 ± 0.537

69.120 ± 0.026

3.660 ± 0.017

20.103 ± 0.006

Slice oven drying

66.367 ± 0.021

4.660 ± 0.026

20.720 ± 0.030