Registration Dossier
Registration Dossier
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EC number: 283-634-2 | CAS number: 84696-15-1 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Zingiber officinalis, Zingiberaceae.
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Ginger, ext.
- EC Number:
- 283-634-2
- EC Name:
- Ginger, ext.
- Cas Number:
- 84696-15-1
- Molecular formula:
- N/A
- IUPAC Name:
- Essential oil extract of Zingiber officinalis (Zingiberaceae) root GINGER ESSENTIAL OIL Ginger Oil Ginger Oleoresin Ginger, ext Ginger, ext. Ginger, Extrakt HE Zingiber officinalis INCI name: Zingiber Officinale (Ginger) Root Extract OILS, GINGER Reaction mass of camphene and pin-2(3)-ene and 7-methyl-3-methyleneocta-1,6-diene and pin-2(10)-ene and cineole and [S-(R*,S*)]-5-(1,5-dimethylhexen-4-yl)-2-methyl-1,3-cyclohexa-1,3-diene and (R)-p-mentha-1,8-diene Zingiber officinalis, Zingiberaceae.
1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, adapted
- Details on inoculum:
- Aniline was chosen as positive control.
Activated sludge was used as inoculum (concentration in the test 25.0 mg dry matter/L). The test was left running for 28 days.
All validity criteria were met. Degradation of the positive control was 69% after 9 days. - Duration of test (contact time):
- ca. 28 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- inorg. C analysis
Results and discussion
% Degradationopen allclose all
- Key result
- Parameter:
- % degradation (inorg. C analysis)
- Value:
- ca. 37
- Sampling time:
- 10 d
- Key result
- Parameter:
- % degradation (inorg. C analysis)
- Value:
- ca. 46
- Sampling time:
- 28 d
- Details on results:
- The following data were determined for the test item Ginger, ext.:
10-day-window: day 6 – 16
degradation at the end of 10-day-window 37 %
degradation at the end of the test 46 %
pass level following guideline: 60 % at the end of 10-day-window for pure substances
respective 60 % at the end of the test for mixtures
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Remarks:
- Degradation of the positive control was 69% after 9 days.
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- Gingerext is considered as not readily biodegradable.
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