Juan-ru LIU, Xiao-mei LIU, Yu-shi LIU, et al. Correlation Between Effective Components Content and Color Values of Indigo Naturalis Basde on Chromatometry[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(23): 165-170.
DOI:
Juan-ru LIU, Xiao-mei LIU, Yu-shi LIU, et al. Correlation Between Effective Components Content and Color Values of Indigo Naturalis Basde on Chromatometry[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(23): 165-170. DOI: 10.13422/j.cnki.syfjx.20191811.
Correlation Between Effective Components Content and Color Values of Indigo Naturalis Basde on Chromatometry
To study the correlation between the color of Indigo Naturalis (powder and it's extracting solution) and effective components (indigo and indirubin) content.
Method:
2
The contents of indigo and indirubin in 27 batches of Indigo Naturalis were determined by HPLC
and the chromaticity values
L
*
a
*
and
b
*
of powder and extracting solution were determined by color colorimeter. SPSS 20.0 software was used to analyze the correlation and multiple linear regression between the content of active components and the chromaticity values of Indigo Naturalis.
Result:
2
By visual observing the appearance of the powder
we find that
as the powder color deepened
the brightness values (
L
*
) of the powder and extract were decreased
while the red-green value (
a
*
) were increased. The correlation analysis showed that the contents of indigo were negatively correlated with the brightness value (
L
*
) of the powder(
P
<
0.01)
and the correlation coefficient was-0.520
while they were positively correlated with the red-green value (
a
*
)(
P
<
0.01)
and the correlation coefficient was 0.567.The contents of indirubin were negatively correlated with the brightness value (
L
*
) of powder and extract (
P
<
0.01)
and the correlation coefficients were-0.635 and-0.580
respectively
while they were positive correlation with the red-green value (
a
*
) (
P
<
0.01)
and the correlation coefficient were 0.706 and 0.493
respectively.
Conclusion:
2
The darker the powder color of Indigo Naturalis
the higher the content of indigo and indirubin. The
L
*
and
a
*
values of indigo powder were more correlated with indigo and indirubin content than with the extracting solution. The color of powder was significantly correlated with the content of indigo and indirubin
which provided reference for rapid identification of Indigo Naturalis. The method of measuring the color of Indigo Naturalis by color colorimeter is stable
scientific and reliable.
关键词
Keywords
references
LI Z H , ZHU C F , AN B P , et al . Indirubin inhibits cell proliferation, migration, invasion and angiogenesis in tumor-derived endothelial cells [J]. Onco Targets Therapy , 2018 , 11 : 2937 - 2944 .
XIE X J , DI T T , WANG Y , et al . Indirubin ameliorates imiquimod-induced psoriasis-like skin lesions in mice by inhibiting inflammatory responses mediated by IL-17A-producing gamma delta T cells [J]. Mol Immunol , 2018 , 101 : 386 - 395 .
Tokuyasu N , Shomori K , Amano K , et al . Indirubin, a constituent of the Chinese Herbal medicine Qing-Dai, attenuates dextran sulfate sodium-induced murine colitis [J]. Yonago Acta Med , 2018 , 61 ( 2 ): 128 - 136 .
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Related Author
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Related Institution
College of Pharmacy,Gansu University of Chinese Medicine
Gansu Provincial People's Hospital
Heilongjiang University of Chinese Medicine
Anhui Province Key Laboratory of Chinese Medicinal Formula, School of Pharmacy, Anhui University of Chinese Medicine
School of Pharmacy,Shenyang Pharmaceutical University