<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Sasithorn Tandhavadhana</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Comparison of Colchicine Content in Gloriosa superba L., Root after Pretreatment by Thai Traditional Medicine Methods</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Colchicine</style></keyword><keyword><style  face="normal" font="default" size="100%">Gloriosa superba L.</style></keyword><keyword><style  face="normal" font="default" size="100%">HPLC</style></keyword><keyword><style  face="normal" font="default" size="100%">Pretreatment methods</style></keyword><keyword><style  face="normal" font="default" size="100%">Thai traditional medicine</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2021</style></year><pub-dates><date><style  face="normal" font="default" size="100%">July 2021</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">13</style></volume><pages><style face="normal" font="default" size="100%">942-948</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Introduction:&lt;/strong&gt; In Thai traditional medical practice, the roots of Gloriosa superba L. must be treated prior to use as Thai herbal remedies. Colchicine is a major active chemical constituent in the roots. It was reported that lethal doses of colchicine were 7-26 mg. There have been two pieces of evidence that indicated 5 different pretreatment methods of Gloriosa superba L., roots. Therefore, this research aimed to compare the amount of colchicine before and after pre-treated by 5 different methods and compare colchicine content after pretreatment between methods. &lt;strong&gt;Methods:&lt;/strong&gt; Provide five different locations of fresh Gloriosa superba L., roots. Each sample divided into 6 groups. The first group would be treated as a control, the second to the sixth group was pre-treated by roasting, burning, boiling, stewing, and grilling which follow the methods from two pieces of evidence. Subsequently, quantitative analysis by High Performance Liquid Chromatography. &lt;strong&gt;Results: &lt;/strong&gt;The amount of colchicine in roots before and after pre-treated by roasting, burning, boiling, stewing, and grilling methods were significantly reduced by 45.61±10.61% (&lt;em&gt;p&lt;/em&gt;=0.000), 37.35±14.15% (&lt;em&gt;p&lt;/em&gt;=0.000), 44.55±8.60% (&lt;em&gt;p&lt;/em&gt;=0.000), 76.40±10.70% (&lt;em&gt;p&lt;/em&gt;=0.000), and 30.35±11.31% (&lt;em&gt;p&lt;/em&gt;=0.000), respectively. The stewing method was the greatest decrease amount of colchicine which significantly different from other methods. (&lt;em&gt;p&lt;/em&gt;=0.000).&lt;strong&gt; Conclusion: &lt;/strong&gt;All 5 methods were significantly reduced amounts of colchicine in the roots of Gloriosa superba L. They were effective methods to pre-treat the roots of Gloriosa superba L. prior to use as Thai herbal remedies.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">4</style></issue><work-type><style face="normal" font="default" size="100%">Research Article</style></work-type><section><style face="normal" font="default" size="100%">942</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Sasithorn Tandhavadhana*&lt;/strong&gt;&lt;/p&gt;

&lt;p class=&quot;rtejustify&quot;&gt;Faculty of Science, Ramkhamhaeng University, Bangkok 10240, THAILAND.&lt;/p&gt;
</style></auth-address></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Sasithorn Tandhavadhana</style></author><author><style face="normal" font="default" size="100%">Chayan Picheansoonthon</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Reduction of Colchicine Content from Radix Gloriosae Superbae Preparata</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Colchicine</style></keyword><keyword><style  face="normal" font="default" size="100%">Gloriosae Superbae Radix</style></keyword><keyword><style  face="normal" font="default" size="100%">HPLC</style></keyword><keyword><style  face="normal" font="default" size="100%">Pre-treat method</style></keyword><keyword><style  face="normal" font="default" size="100%">Thai herbal remedy</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2019</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February 2019</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">11</style></volume><pages><style face="normal" font="default" size="100%">310-314</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p class=&quot;rtejustify&quot;&gt;&lt;strong&gt;Introduction:&lt;/strong&gt; Gloriosae Superbae Radix is a crude drug employed in Thai herbal remedies for several ailments. Colchicine is known as an active constituent in the roots. It was reported that 7-11 mg. of colchicine may causes lethal effect in human. In Thai traditional medical practice, the roots must be treated prior use to prepare Thai herbal preparations. However, pre-treated method has not yet been well established in any literature. This study aimed to document the pre-treated method and to quantitatively compare the amount of colchicine both before and after pre-treated. &lt;strong&gt;Methods:&lt;/strong&gt; Firstly, interviewing with Thai traditional medicine experts and document the pre-treated methods of Gloriosae Superbae Radix to conclude the 2 commonly used methods. Two pre-treated methods (roasting and burning) were chosen for further study. Colchicine in Gloriosae Superbae Radix from 8 sources were analyzed before and after pre-treat by High Performance Liquid Chromatography (HPLC). &lt;strong&gt;Results:&lt;/strong&gt; After pre-treat by roasting and burning, amount of colchicine in root were significantly decreased by 40.61±9.55% (&lt;em&gt;p&lt;/em&gt;=0.000) and 26.79±10.89% (&lt;em&gt;p&lt;/em&gt;=0.001), respectively. Comparison of colchicine contents of samples after roasting and burning, the amount of colchicine decreased non statistically insignificantly (&lt;em&gt;p&lt;/em&gt;=0.110). &lt;strong&gt;Conclusion:&lt;/strong&gt; Pre-treats of Gloriosae Superbae Radix by roasting and burning had significantly reduce colchicine content. Both methods have been proven to be the effective ways in preparing certain potentially toxic crude drugs before using in compounding into Thai herbal remedies.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">2</style></issue><work-type><style face="normal" font="default" size="100%">Original Article</style></work-type><section><style face="normal" font="default" size="100%">310</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p&gt;&lt;strong&gt;Sasithorn Tandhavadhana, Chayan Picheansoonthon&lt;sup&gt;*&lt;/sup&gt;&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Faculty of Medicine, Mahasarakham University, THAILAND.&lt;/p&gt;
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