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Home / Applications / Semi-Preparative Separation of Berberine in Coptis Japonica

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  • Technique

Semi-Preparative Separation of Berberine in Coptis Japonica

By Toshifumi Uchiyama

PDF IconDownload This Application

January 5, 2024

Introduction

SFE
Jasco LC 2000 Plus Series

Berberine is a natural medicine derived from the flowering plant Coptis japonica and is reputed to have beneficial effects in the treatment of conjunctivitis and stomatitis as well as being a stomachic, intestinal remedy and antidiarrheic. It is suggested that berberine, one of alkaloids contained in Coptis japonica, which has yellow color and bitter taste may have antibacterial and anti-inflammatory effects. This LC application shows the separation of berberine obtained from powder extracts of Coptis japonica using analytical HPLC, the separation is scaled-up using semi-preparative HPLC for isolation and purification.

Experimental

Equipment

Conventional HPLC
Eluent Pump:PU-2089
Autosampler:AS-2057
Column oven:CO-2060
Detector:MD-2018

Semi-Preparative HPLC
Eluent Pump:PU-2086
Autosampler:AS-2058
Column oven:CO-2060
Detector:MD-2018
 (with semi-prep. cell)
Chromatography data system:ChromNAV
Fraction collector:ADVANTEC SCF 122SC
Fraction collector controller:FC-2088-30

Conditions

Conventional HPLC
Column:YMC-PACK Pro C18
 (4.6 mm ID x 250 mmL, 5 µm)
Eluent:0.1% TFA in Acetonitrile / Water (30/70)
Eluent flow rate:1.0 mL/min
Column temp.:25°C
Wavelength:220 ~ 450 nm, 345 nm
Injection volume:10 µL
Standard sample:Powdered Coptis japonica
 (0.5 g/50 mL in methanol / 10% hydrochloric acid (100/1))

Semi-Preparative HPLC
Column:YMC-PACK Pro C18
 (20 mm ID x 250 mmL, 5 µm)
Eluent:0.1% TFA in Acetonitrile / Water (30/70)
Eluent flow rate:15 mL/min
Column temp.:25°C
Wavelength:345 nm
Injection volume:5 mL
Standard sample:Powdered Coptis japonica
 (0.5 g/50 mL in methanol / 10% hydrochloric acid (100/1))

Preparation (extraction)

  1. Weigh 0.5 g of powdered Coptis japonica and place in a centrifuge tube.
  2. Add 30 mL of methanol/10% hydrochloride mixture (100/1) and mix for 15 minutes.
  3. Centrifuge (3,000 rpm, 10mim) and decant the supernatant into a 50 mL measuring flask.
  4. Add 20 mL of methanol/10% HCl mixture (100/1) to the residue and repeat the procedure.
  5. Add methanol/10% HCl mixture (100/1) to the collected supernatant in measuring flask and make up to 50 mL.
Fig. 1 Structural formula of Berberine.

Keywords

742025H, Analytical separation, Semi-preparative separation, Coptis japonica, Berberine, Neutraceutical, Natural medicine

Results

Figure 2 is Chromatogram and contour plot of the extracts from Coptis japonica powder using conventional HPLC separation. Using the MD-2018 PDA detector and with spectral comparison, the separation of the target compound Berberine from the other components was optimized and good separation was achieved within 15 minutes.

Figure 3 is Chromatogram of the extract from Coptis japonica powder using semi-preparative HPLC scaled up from the analytical scale method. To optimize recovery of Berberine the injection volume was increased. However, this caused a problem as the elution power of the extraction solvent was stronger than the mobile phase, the target compound was not retained on column. To resolve this, the sample was diluted five times in water and 5 mL of the diluted sample was injected. Berberine was retained as shown in Figure 3. the separation efficiency increased but with a small sacrifice of peak shape. Figure 4 shows the fraction collected using the ChromNAV chromatography data system. The peak fraction and sample rack position for the target are highlighted in green. Figure 5 shows the sample purity chromatogram of this fraction under the same conditions as in Figure 2. It is confirmed that Berberine was isolated as single component.

Fig. 2: Chromatogram of the extract from Coptis japonica powder
Fig. 3: Semi-preparative chromatogram of the extract from Coptis japonica powder
Fig. 4: Collected fraction of the extract from Coptis japonica powder (ChromNAV screen)
Fig. 5: Chromatogram of the collected fraction (10 mL Injected)
This document has been prepared based on information available at the time of publication and is subject to revision without notice. Although the contents are checked with the utmost care, we do not guarantee their accuracy or completeness. JASCO Corporation assumes no responsibility or liability for any loss or damage incurred as a result of the use of any information contained in this document. Copyright and other intellectual property rights in this document remain the property of JASCO Corporation. Please do not attempt to copy, modify, redistribute, or sell etc. in whole or in part without prior written permission.

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About the Author

Toshifumi Uchiyama is a member of the electronic spectroscopy team located at the JASCO main laboratory in Tokyo

JASCO Application Note

Semi-Preparative Separation of Berberine in Coptis Japonica

Introduction

SFE
Jasco LC 2000 Plus Series

Berberine is a natural medicine derived from the flowering plant Coptis japonica and is reputed to have beneficial effects in the treatment of conjunctivitis and stomatitis as well as being a stomachic, intestinal remedy and antidiarrheic. It is suggested that berberine, one of alkaloids contained in Coptis japonica, which has yellow color and bitter taste may have antibacterial and anti-inflammatory effects. This LC application shows the separation of berberine obtained from powder extracts of Coptis japonica using analytical HPLC, the separation is scaled-up using semi-preparative HPLC for isolation and purification.

Experimental

Equipment

Conventional HPLC
Eluent Pump:PU-2089
Autosampler:AS-2057
Column oven:CO-2060
Detector:MD-2018

Semi-Preparative HPLC
Eluent Pump:PU-2086
Autosampler:AS-2058
Column oven:CO-2060
Detector:MD-2018
 (with semi-prep. cell)
Chromatography data system:ChromNAV
Fraction collector:ADVANTEC SCF 122SC
Fraction collector controller:FC-2088-30

Conditions

Conventional HPLC
Column:YMC-PACK Pro C18
 (4.6 mm ID x 250 mmL, 5 µm)
Eluent:0.1% TFA in Acetonitrile / Water (30/70)
Eluent flow rate:1.0 mL/min
Column temp.:25°C
Wavelength:220 ~ 450 nm, 345 nm
Injection volume:10 µL
Standard sample:Powdered Coptis japonica
 (0.5 g/50 mL in methanol / 10% hydrochloric acid (100/1))

Semi-Preparative HPLC
Column:YMC-PACK Pro C18
 (20 mm ID x 250 mmL, 5 µm)
Eluent:0.1% TFA in Acetonitrile / Water (30/70)
Eluent flow rate:15 mL/min
Column temp.:25°C
Wavelength:345 nm
Injection volume:5 mL
Standard sample:Powdered Coptis japonica
 (0.5 g/50 mL in methanol / 10% hydrochloric acid (100/1))

Preparation (extraction)

  1. Weigh 0.5 g of powdered Coptis japonica and place in a centrifuge tube.
  2. Add 30 mL of methanol/10% hydrochloride mixture (100/1) and mix for 15 minutes.
  3. Centrifuge (3,000 rpm, 10mim) and decant the supernatant into a 50 mL measuring flask.
  4. Add 20 mL of methanol/10% HCl mixture (100/1) to the residue and repeat the procedure.
  5. Add methanol/10% HCl mixture (100/1) to the collected supernatant in measuring flask and make up to 50 mL.
Fig. 1 Structural formula of Berberine.

Results

Figure 2 is Chromatogram and contour plot of the extracts from Coptis japonica powder using conventional HPLC separation. Using the MD-2018 PDA detector and with spectral comparison, the separation of the target compound Berberine from the other components was optimized and good separation was achieved within 15 minutes.

Figure 3 is Chromatogram of the extract from Coptis japonica powder using semi-preparative HPLC scaled up from the analytical scale method. To optimize recovery of Berberine the injection volume was increased. However, this caused a problem as the elution power of the extraction solvent was stronger than the mobile phase, the target compound was not retained on column. To resolve this, the sample was diluted five times in water and 5 mL of the diluted sample was injected. Berberine was retained as shown in Figure 3. the separation efficiency increased but with a small sacrifice of peak shape. Figure 4 shows the fraction collected using the ChromNAV chromatography data system. The peak fraction and sample rack position for the target are highlighted in green. Figure 5 shows the sample purity chromatogram of this fraction under the same conditions as in Figure 2. It is confirmed that Berberine was isolated as single component.

Fig. 2: Chromatogram of the extract from Coptis japonica powder
Fig. 3: Semi-preparative chromatogram of the extract from Coptis japonica powder
Fig. 4: Collected fraction of the extract from Coptis japonica powder (ChromNAV screen)
Fig. 5: Chromatogram of the collected fraction (10 mL Injected)

Keywords

742025H, Analytical separation, Semi-preparative separation, Coptis japonica, Berberine, Neutraceutical, Natural medicine

This document has been prepared based on information available at the time of publication and is subject to revision without notice. Although the contents are checked with the utmost care, we do not guarantee their accuracy or completeness. JASCO Corporation assumes no responsibility or liability for any loss or damage incurred as a result of the use of any information contained in this document. Copyright and other intellectual property rights in this document remain the property of JASCO Corporation. Please do not attempt to copy, modify, redistribute, or sell etc. in whole or in part without prior written permission.
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