Groups of male and female rats received a sucroacetoglycerides containing product (SAG) for 3 months at dietary levels of 0, 2.5, 5 and 10%. Food consumption was initially increased in females at all SAG-levels. After two weeks significant increases in food intake were observed in males and females fed 10% SAG throughout the feeding period. The serum analysis revealed significantly elevated activity in serum alkaline phosphatase at the highest SAG-level in males and females after 6 weeks and in females after 13 weeks. Histological changes related to the SAG-feeding were noted in the intestinal lymph nodes of male and female animals fed 10% SAG. The no-adverse effect level established in this subchronic feeding study was 5% SAG in the diet of rats, equivalent to a daily intake of 3.6 g/kg body weight in males and 4.0 g/kg in females.
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http://dx.doi.org/10.1002/food.19910350618 | DOI Listing |
Environ Sci Technol
January 2025
Toxicology Centre, University of Saskatchewan, Saskatoon S7N 5B3, Canada.
-(1,3-Dimethylbutyl)-'-phenyl--phenylenediamine-quinone (6PPD-Q) is a rubber-tire derivative which leaches into surface waters from roadway runoff, from tire particles and has been identified as a possible driver of urban runoff mortality syndrome in coho salmon. Sensitivity to this toxicant is highly variable across fish species and life stages. With environmental concentrations meeting or exceeding toxicity thresholds in sensitive fishes, the potential for ecologically relevant effects is significant.
View Article and Find Full Text PDFJ Agric Food Chem
December 2024
Department of Nutrition and Food Science, University of Maryland, College Park, Maryland 20742, United States.
Oxidative derivatives of triacylglycerols (ox-TGs), aldehydes, and 3-monochloropropane-1,2-diol esters (3-MCPDE) were simultaneously evaluated in a 90-day subchronic study, focusing on biological indicators, biochemical indicators, and serum metabolomics as the first part of integrated toxicity and interactions. After 90 days of feeding Kunming mice, coexposure to combined toxicants significantly inhibited the trend of liver weight gain, reduced the levels of total bilirubin (TBIL) and direct bilirubin (DBIL), and decreased uric acid (UA) compared to individual toxicant exposure. A total of 21 and 31 biomarkers in female and male mice were identified, respectively.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
October 2024
ICAR-Indian Veterinary Research Institute, Eastern Regional Station, Kolkata, West Bengal, 700037, India.
Arch Environ Contam Toxicol
May 2024
U.S. Army Engineer Research and Development Center, Environmental Laboratory, 3909 Halls Ferry Road, Vicksburg, MS, 39180, USA.
The larval fathead minnow, Pimephales promelas, 7-day subchronic survival and growth standard toxicity test method is commonly used for research and regulatory testing of effluents and compounds, including emerging contaminants such as Perfluorooctanesulfonic Acid (PFOS). Existing feeding guidelines for testing are described in multiple methods but are open to interpretation. The current study sought to determine the impact of feeding ration on P.
View Article and Find Full Text PDFBiomarkers
May 2024
Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria.
Introduction: The present study aimed at investigating the effect of dietary supplementation of , an important component of aphrodisiac supplements, on sexual performance, oxido-inflammatory mediators and purinergic signaling system in hypertensive rats.
Material And Methods: Hypertension was induced via oral administration of 40 mg/kg L-NAME. Thereafter, the sexual performance of the experimental animals was determined and the hypertensive rats with impaired sexual activities were placed on -supplemented diet for 21 days, and the effects of the treatment on the overall sexual behavior, antioxidant status, oxido-inflammatory biomarkers, and enzyme activity of the purinergic system were assessed.
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