Citrus paradisi (seed)

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(correct BAPP link to Lab Guidance Document in Supplementary section)
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=Supplementary Information=
 
=Supplementary Information=
  
== ABC Botanical Adulterants Prevention Program Laboratory Guidance ==
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== ABC-AHP-NCNPR Botanical Adulterants Prevention Program Laboratory Guidance ==
{{Botanical  | source=ABC, Botanical Adulterants Prevention Program
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{{Botanical  | source=ABC-AHP-NCNPR Botanical Adulterants Prevention Program
           | companyimage=ABC-logo-horiz.jpg
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           | companyimage=BAPP-logo-2018-2line-LOW2.jpg
 
           | companyURL=http://cms.herbalgram.org/BAP/LGD/GrapefruitSeedExtractLabGuidanceDocument.html
 
           | companyURL=http://cms.herbalgram.org/BAP/LGD/GrapefruitSeedExtractLabGuidanceDocument.html
 
             | description=Grapefruit (seed extract) (''Citrus paradisi'')
 
             | description=Grapefruit (seed extract) (''Citrus paradisi'')
             | characteristics=This [http://cms.herbalgram.org/BAP/LGD/GrapefruitSeedExtractLabGuidanceDocument.html ABC BAPP Laboratory Guidance Document] presents an overview and comparison of various analytical technologies and methods used to differentiate between authentic grapefruit seed extract ingredients and non-authentic materials, with particular discussion of synthetic microbicidal compounds identified in non-authentic materials, authentic grapefruit seed extract components, and a detailed literature review of methods (including sample characterization via TLC, HPLC-UV, HPLC-MS, GC-MS, and others).
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             | characteristics=This ABC-AHP-NCNPR Botanical Adulterants Prevention Program  [http://cms.herbalgram.org/BAP/LGD/GrapefruitSeedExtractLabGuidanceDocument.html Laboratory Guidance Document] presents an overview and comparison of various analytical technologies and methods used to differentiate between authentic grapefruit seed extract ingredients and non-authentic materials, with particular discussion of synthetic microbicidal compounds identified in non-authentic materials, authentic grapefruit seed extract components, and a detailed literature review of methods (including sample characterization via TLC, HPLC-UV, HPLC-MS, GC-MS, and others).
 
               }}
 
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Latest revision as of 17:38, 17 October 2018

AHPA recognizes other valuable resources exist regarding the identity of Citrus paradisi.

To submit a suggestion or contribution, please contact Merle Zimmermann.

Contents

Nomenclature

Citrus x paradisi Macfad.   Rutaceae  
Standardized common name (English): grapefruit

Botanical Voucher Specimen

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Citrus paradisi Macfad. - Starr - v-162-01341949.jpg
Citrus paradisi Macfad.
Source: Images courtesy of the C.V. Starr Virtual Herbarium of the New York Botanical Garden[1]

Organoleptic Characteristics

Macroscopic Characteristics

Microscopic Characteristics

High Performance Thin Layer Chromatographic Identification

AP-LOGO-Laboratories Crop - Copy.jpg
(thumbnail)
Citrus paradisi HPTLC ID - 10% Ethanolic H2SO4-> 115° C 15 min -> UV 365 nm

Grapefruit (seed) (Citrus paradisi)

Lane Assignments Lanes, from left to right (Track, Volume, Sample):

  1. 3 μL Hesperidin, Hesperitin ~0.1% in CH3OH
  2. 3 μL Citrus paradisi-1 (seed)
  3. 3 μL Citrus paradisi-2 (seed)
  4. 3 μL Citrus paradisi-3 (seed)
  5. 3 μL Citrus paradisi-3 (seed)
  6. 3 μL Citrus paradisi-4 (seed)
  7. 3 μL Citrus paradisi-5 (seed)
  8. 3 μL Naringin, Naringenin ~0.1% in CH3OH

Reference materials used here have been authenticated by macroscopic, microscopic &/or TLC studies according to the reference source cited below held at Alkemists Laboratories, Costa Mesa, CA. 

Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates 

Mobile Phase CHCl3: CH3OH: HCOOH: H2O [6/2/1.4/0.1] 

Sample Preparation Method 0.3 g + 3 ml CH3OH sonicate/heat @ 50° C ~ 1/2 hr 

Detection Method 10% Ethanolic H2SO4-> 115° C 15 min -> UV 365 nm 

Reference see Method Developed by Alkemists Laboratories


Source: Elan M. Sudberg, Alkemist Laboratories [2]

Supplementary Information

ABC-AHP-NCNPR Botanical Adulterants Prevention Program Laboratory Guidance

BAPP-logo-2018-2line-LOW2.jpg

Grapefruit (seed extract) (Citrus paradisi) 

General Characteristics This ABC-AHP-NCNPR Botanical Adulterants Prevention Program Laboratory Guidance Document presents an overview and comparison of various analytical technologies and methods used to differentiate between authentic grapefruit seed extract ingredients and non-authentic materials, with particular discussion of synthetic microbicidal compounds identified in non-authentic materials, authentic grapefruit seed extract components, and a detailed literature review of methods (including sample characterization via TLC, HPLC-UV, HPLC-MS, GC-MS, and others).

Source: ABC-AHP-NCNPR Botanical Adulterants Prevention Program [3]

Sources

  1. Images courtesy of the C.V. Starr Virtual Herbarium of the New York Botanical Garden http://sciweb.nybg.org/science2/VirtualHerbarium.asp
  2. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  3. ABC-AHP-NCNPR Botanical Adulterants Prevention Program http://cms.herbalgram.org/BAP/LGD/GrapefruitSeedExtractLabGuidanceDocument.html
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