scholarly journals A “Green” Homogenate Extraction Coupled with UHPLC-MS for the Rapid Determination of Diterpenoids in Croton Crassifolius

Molecules ◽  
2019 ◽  
Vol 24 (4) ◽  
pp. 694
Author(s):  
Jin-Long Tian ◽  
Chi Shu ◽  
Ye Zhang ◽  
Hui-Jun Cui ◽  
Xu Xie ◽  
...  
Keyword(s):  
High Performance ◽  
Rapid Determination ◽  
Biological Activities ◽  
Bioactive Constituents ◽  
Complex Species ◽  
Chromatography Tandem Mass Spectrometry ◽  
Homogenate Extraction ◽  
Liquid Chromatography Tandem Mass ◽  
Clerodane Diterpenoids

Clerodane diterpenoids are the main bioactive constituents of Croton crassifolius and are proved to have multiple biological activities. However, quality control (QC) research on the constituents are rare. Thus, the major research purpose of the current study was to establish an efficient homogenate extraction (HGE) process combined with a sensitive and specific ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC–MS) technique together for the rapid extraction and determination of clerodane diterpenoids in C. crassifolius. All calibration curves showed good linearity (r > 0.9943) within the test ranges and the intra- and inter-day precisions and repeatability were all within required limits. This modified HGE–UHPLC–MS method only took 5 min to extract nine clerodane diterpenoids in C. crassifolius and another 12 min to quantify these components. The results indicated that the quantitative analysis based on UHPLC–MS was a feasible method for QC of clerodane diterpenoids in C. crassifolius, and the findings outlined in the current study also inferred the potential of the method in the QC of clerodane diterpenoids in other complex species of plants.

scholarly journals Simplified and Rapid Determination of Primaquine and 5,6-Orthoquinone Primaquine by UHPLC-MS/MS: Its Application to a Pharmacokinetic Study

Molecules ◽  
2021 ◽  
Vol 26 (14) ◽  
pp. 4357
Author(s):  
Waritda Pookmanee ◽  
Siriwan Thongthip ◽  
Jeeranut Tankanitlert ◽  
Mathirut Mungthin ◽  
Chonlaphat Sukasem ◽  
...  
Keyword(s):  
Pharmacokinetic Study ◽  
High Performance ◽  
Rapid Determination ◽  
Active Metabolites ◽  
Chromatography Tandem Mass Spectrometry ◽  
Accuracy And Precision ◽  
The Matrix ◽  
Liquid Chromatography Tandem Mass ◽  
Isocratic Mode

The method for the determination of primaquine (PQ) and 5,6-orthoquinone primaquine (5,6-PQ), the representative marker for PQ active metabolites, via CYP2D6 in human plasma and urine has been validated. All samples were extracted using acetonitrile for protein precipitation and analyzed using the ultra-high-performance liquid chromatography–tandem mass spectrometry (UHPLC-MS/MS) system. Chromatography separation was carried out using a Hypersil GOLDTM aQ C18 column (100 × 2.1 mm, particle size 1.9 μm) with a C18 guard column (4 × 3 mm) flowed with an isocratic mode of methanol, water, and acetonitrile in an optimal ratio at 0.4 mL/min. The retention times of 5,6-PQ and PQ in plasma and urine were 0.8 and 1.6 min, respectively. The method was validated according to the guideline. The linearity of the analytes was in the range of 25–1500 ng/mL. The matrix effect of PQ and 5,6-PQ ranged from 100% to 116% and from 87% to 104% for plasma, and from 87% to 89% and from 86% to 87% for urine, respectively. The recovery of PQ and 5,6-PQ ranged from 78% to 95% and form 80% to 98% for plasma, and from 102% to from 112% to 97% to 109% for urine, respectively. The accuracy and precision of PQ and 5,6-PQ in plasma and urine were within the acceptance criteria. The samples should be kept in the freezer (−80 °C) and analyzed within 7 days due to the metabolite stability. This validated UHPLC-MS/MS method was beneficial for a pharmacokinetic study in subjects receiving PQ.

scholarly journals Simultaneous Measurement of Tadehaginoside and its Principal Metabolite in Rats by HPLC–MS/MS and its Application in Pharmacokinetics and Tissue Distribution Study

2021 ◽  
Author(s):  
Cai-Yun Zhang ◽  
Ya-Ting Lu ◽  
Yin-Feng Tan ◽  
Lin Dong ◽  
Zhi-Heng Su ◽  
...  
Keyword(s):  
Tissue Distribution ◽  
High Performance ◽  
Biological Activities ◽  
Intragastric Administration ◽  
Distribution Study ◽  
Chromatography Tandem Mass Spectrometry ◽  
Liquid Chromatography Tandem Mass ◽  
Tissue Distribution Study

Abstract Background Tadehaginoside, an active ingredient isolated from Tadehagi triquetrum L., exhibited various biological activities. However, the pharmacokinetics and tissue-distribution which affects tadehaginoside’s therapeutic actions and application remain elusive.MethodsTo clarify the metabolism of tadehaginoside in vivo, a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method was established to detect the level of tadehaginoside in plasma and eleven tat tissues (brain, heart, liver, spleen, lungs, kidneys, stomach, small intestine, skeletal muscle, body fat, and testes). Besides, this validated method was also successfully applied to the quantitative determination of its metabolite, p-hydroxycinnamic acid (HYD) in plasma. The pharmacokinetic and tissue-distribution of tadehaginoside were investigated by this developed method. ResultsThe pharmacokinetic study indicated that tadehaginoside in plasma of rats with intragastric administration showed relatively low concentration may be due to the formation of its metabolite, and the quick absorption of tadehaginoside was detected following intravenous administration. Tissue-distribution study indicated that kidney and spleen were the major distribution organs for tadehaginoside in rats. ConclusionsThese results could provide clues for exploring the bioactivity of tadehaginoside based on its pharmacokinetic characteristics.

Rapid determination of tricaine mesylate residues in fish samples using modified QuEChERS and high-performance liquid chromatography-tandem mass spectrometry

2014 ◽  
Vol 6 (22) ◽  
pp. 9124-9128 ◽  
Author(s):  
Jincheng Li ◽  
Huan Liu ◽  
Meiqi Yu ◽  
Lidong Wu ◽  
Qun Wang ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
High Performance ◽  
Rapid Determination ◽  
Tandem Mass ◽  
Quechers Method ◽  
Modified Quechers ◽  
Chromatography Tandem Mass Spectrometry ◽  
Fish Samples ◽  
Liquid Chromatography Tandem Mass

A rapid and effective modified, quick, easy, cheap, effective, rugged, and safe (QuEChERS) method was developed for the determination of tricaine mesylate (MS-222) in fish samples using HPLC-MS/MS.

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