scholarly journals Subchronic Toxicity of Triethylenetetramine Dihydrochloride in B6C3F1 Mice and F344 Rats

1996 ◽  
Vol 29 (2) ◽  
pp. 185-193
Author(s):  
DAVID L. GREENMAN ◽  
ROBERT L. MORRISSEY ◽  
WILLIAM BLAKEMORE ◽  
JAMES CROWELL ◽  
PAUL SIITONEN ◽  
...  
2013 ◽  
Vol 2013 ◽  
pp. 1-12 ◽  
Author(s):  
Inder Sehgal ◽  
Wallace D. Winters ◽  
Michael Scott ◽  
Andrew David ◽  
Glenn Gillis ◽  
...  

Aloe vera, a common ingredient in cosmetics, is increasingly being consumed as a beverage supplement. Although consumer interest in aloe likely stems from its association with several health benefits, a concern has also been raised by a National Toxicology Program Report that a nondecolorized whole leaf aloe vera extract taken internally by rats was associated with intestinal mucosal hyperplasia and ultimately malignancy. We tested a decolorized whole leaf (DCWL) aloe vera, treated with activated charcoal to remove the latex portion of the plant, for genotoxicity in bacteria, acute/subacute toxicity in B6C3F1 mice, and subchronic toxicity in F344 rats. We found this DCWL aloe vera juice to be nongenotoxic in histidine reversion and DNA repair assays. Following acute administration, mice exhibited no adverse signs at 3- or 14-day evaluation periods. When fed to male and female F344 rats over 13 weeks, DCWL aloe led to no toxicity as assessed by behavior, stools, weight gain, feed consumption, organ weights, and hematologic or clinical chemistry profiles. These rats had intestinal mucosal morphologies—examined grossly and microscopically—that were similar to controls. Our studies show that oral administration of this DCWL aloe juice has a different toxicology profile than that of the untreated aloe juice at exposures up to 13 weeks.


2004 ◽  
Vol 207 (1) ◽  
pp. 119-125 ◽  
Author(s):  
Ming W Chou ◽  
Jian Yan ◽  
Jasyl Nichols ◽  
Qingsu Xia ◽  
Frederick A Beland ◽  
...  

2020 ◽  
Vol 15 (7) ◽  
pp. 1934578X2094165
Author(s):  
Hyoung-Yun Han ◽  
Kang-Hyun Han ◽  
Jun-Ho Ahn ◽  
Se-Myo Park ◽  
Soojin Kim ◽  
...  

Phytolacca americana L. is traditionally used in Korea, Japan, and China as a diuretic, antibacterial, antiviral, anticancer, and anti-inflammatory agent, and also in the treatment of hepatitis B, psoriasis, edema, and rheumatism. In this study, we evaluated the subchronic toxicity of an aqueous extract of P. americana (PAAE) in male and female F344 rats. The rats were orally administered PAAE (0, 500, 1000, and 2000 mg/kg body weight) once daily for 13 weeks. Mortality rate, body weight, food consumption, and organ weights were measured and assessed. Additionally, ophthalmological, hematological, and histopathological parameters were evaluated. Urinalysis and necropsy were also performed. The clinical chemistry values for potassium in the treated female groups (500, 1000, and 2000 mg/kg/ body weight/day) were higher than those in the control. Further, the relative weights of the kidneys in the treated female groups (1000 and 2000 mg/kg/ body weight/day) were higher than those in the control. However, these changes were not consistent in either sex, and no abnormalities were found in the corresponding pathological findings. Thus the results showed no adverse effects in all the parameters assessed. The findings show that after 13 weeks of treatment, the “no-observed-adverse-effect level” of PAAE is 2000 mg/kg body weight in both male and female F344 rats under the experimental conditions applied. Although treatment-related adverse effects were not seen, potassium-level changes in the blood should be examined to establish the safety profile of PAAE after long-term treatment.


1987 ◽  
Vol 9 (3) ◽  
pp. 496-503
Author(s):  
JUNE K. DUNNICK ◽  
C. W. JAMESON ◽  
CHARLES A. MONTGOMERY

1998 ◽  
Vol 42 (2) ◽  
pp. 73-81 ◽  
Author(s):  
Robert J. Griffin ◽  
Veronica B. Godfrey ◽  
Leo T. Burka

1987 ◽  
Vol 22 (2) ◽  
pp. 187-194 ◽  
Author(s):  
Masa‐Aki Shibata ◽  
Yasushi Kurata ◽  
Seiko Tamano ◽  
Tadashi Ogiso ◽  
Shoji Fukushima ◽  
...  

2001 ◽  
Vol 39 (11) ◽  
pp. 1063-1070 ◽  
Author(s):  
N Niho ◽  
M Shibutani ◽  
T Tamura ◽  
K Toyoda ◽  
C Uneyama ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document