Fei XU, Ming KONG, Jin-di XU, et al. Effect of Heat Treatment on Contents of Sulfur Dioxide Residue and Sulfur-containing Derivatives in Sulfur-fumigated Codonopsis Radix[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(3): 162-166.
DOI:
Fei XU, Ming KONG, Jin-di XU, et al. Effect of Heat Treatment on Contents of Sulfur Dioxide Residue and Sulfur-containing Derivatives in Sulfur-fumigated Codonopsis Radix[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(3): 162-166. DOI: 10.13422/j.cnki.syfjx.20182414.
Effect of Heat Treatment on Contents of Sulfur Dioxide Residue and Sulfur-containing Derivatives in Sulfur-fumigated Codonopsis Radix
To evaluate the feasibility of heat-treating de-sulfur method for sulfur-fumigated Codonopsis Radix (CR) by investigating the changes in contents of sulfur dioxide residue and sulfur-containing derivatives after sulfur-fumigation.
Method:
2
Qualitative and semi-quantitative characterization of sulfur-containing derivatives was analyzed by ultra-performance liquid chromatography-quadrupole-time of flight-mass spectrometry (UPLC-Q-TOF-MS/MS)
and sulfur dioxide residues were determined by acid-base titration method. Then the correlations between sulfur dioxide residues and sulfur-containing derivatives in sulfur-fumigated CR samples with different sulfur-fumigation and heat treatment extents were analyzed.
Result:
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Atractylenolide Ⅱ and atractylenolide Ⅲ sulfur-containing derivatives were identified as major characteristic markers of sulfur fumigated CR. With the increase of sulfur-fumigation time
the content of sulfur dioxide residues was continuously increased
while the content of sulfur-containing derivatives was elevated at the beginning and then reached to a plateau
so there was not necessarily a positive correlation between sulfur dioxide residue and the amount of sulfur derivatives. With the increase of heat-treated time
the content of sulfur dioxide residues was continuously decreased
while the content of sulfur-containing derivatives was decreased first and remained at a high level later. There was no clear correlation between sulfur dioxide residue and sulfur-containing derivatives in different sulfur-fumigated and heat-treating de-sulfur degrees of CR.
Conclusion:
2
Heat-treatment could decrease the content of sulfur dioxide residue
but the content of sulfur-containing derivatives still remained at a high level
so heat treatment could not reinstate the inner quality of sulfur-fumigated CR to its non-fumigated ones. Therefore
heat-treating de-sulfur is not a feasible method for the quality assurance of sulfur-fumigated CR.
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Related Author
Jia-min WANG
Kai-li LIU
Jian-li LI
Yan-gang CHENG
Yan WANG
Ying-li WANG
Hui-min LI
Yi ZHANG
Related Institution
Shanxi University of Chinese Medicine
Key Laboratory of Standardization of Chinese Medicines of Ministry of Education, State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China,School of Pharmacy, Chengdu University of Traditional Chinese Medicine
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