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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Acute and Sub-acute Toxicities of Thai Silkworm Powder (Bombyx mori Linn.) From Three Races in Male Wistar Rats and In vitro Antioxidant Activities
Author:
Surapong Rattana1
Year:
2017
Bibliographic source:
Pharmacogn J. 2017; 9(4): 541-545

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
not specified
Remarks:
Literature data, GLP not stated
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Reference substance name:
not applicable, UVCB
Molecular formula:
not applicable, UVCB
IUPAC Name:
not applicable, UVCB

Test animals

Species:
rat
Strain:
Wistar
Sex:
male

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified
Doses:
silkworm powder from 3 races at dose of 1,000, 1,500 and 2,000 mg/kg b.w.
No. of animals per sex per dose:
10 groups, 6 rats per group
Control animals:
yes

Results and discussion

Effect levels
Key result
Sex:
male
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
none

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50 was reported as > 2000 mg/kg bw.
Executive summary:

The LD50 was reported as > 2000 mg/kg bw.