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    Catechin Analysis Service

      Catechin is one of the main active components in tea, which belongs to flavonoids. Catechins are high in tea and also found in other plants such as cacao and grapes. Catechins have various biological activities such as antioxidant, anti-inflammatory, and anti-tumor. They are widely used in food, medicine, and cosmetics. Therefore, it is of great significance to establish accurate and reliable catechin analysis methods. MtoZ Biolabs provides comprehensive catechin analysis services, using advanced liquid chromatography-tandem mass spectrometry (LC-MS/MS), to provide you with accurate, sensitive, and efficient quantitative analysis of catechins.


      Technical Principles

      The analysis of catechins adopts liquid chromatography-tandem mass spectrometry (LC-MS/MS). After the sample is extracted and purified, it is separated by high-performance liquid chromatography, then detected by a mass spectrometer, and finally qualitatively and quantitatively analyzed by comparing with the database.


      Services at MtoZ Biolabs

      1. Quantitative Analysis of Catechins in Food

      2. Quantitative Analysis of Catechins in Drugs

      3. Metabolic Research of Catechins in Biological Samples


      Analysis Workflow

      1. Sample Treatment: The sample is pretreated by solid phase extraction, protein precipitation, etc.

      2. Chromatographic Separation: High-performance liquid chromatography is used for sample separation.

      3. Mass Spectrometry Detection: Mass spectrometry is used for detection to obtain mass spectrometry data.

      4. Data Processing: Qualitative and quantitative analysis are carried out through the mass spectrometry database.



      Figure 1. The Workflow of HPLC-MS/MS Analysis of Catechin

      Service Advantages

      • High Sensitivity: Our method can detect catechins at the pg level.
      • Accuracy: Our method has high accuracy and good repeatability.
      • For a Variety of Samples: Our method is applicable to a rich variety of sample types, including food, drugs, biological samples, etc.
      • Professional Team: We have an experienced technical team that can provide you with comprehensive technical support.


      Sample Submission Requirements

      1. Food Samples: at least 1 g, stored at -20℃.

      2. Biological Samples: at least 100 mg, stored at -80℃.

      3. Drug Samples: at least 1 mg, stored in a cool place at room temperature.



      1. Experimental Procedures

      2. Relevant Mass Spectrometry Parameters

      3. Detailed Information on Catechin Analysis

      4. Mass Spectrometry Images

      5. Raw Data

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