Environmental degradation of the miticide cycloprate. 2. Metabolism by apples and oranges

Quistad, Gary B.; Staiger, Luana E.; Schooley, David A.

doi:10.1021/jf60215a012

Cited by 13 publications

(7 citation statements)

References 5 publications

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“…Kidney. In further contrast to rat and cow metabolism of cycloprate (Quistad et al, 1978), the dog retained considerable 14C in the kidneys (7 % applied dose) even after 4 days. Free CPCA and -cyclopropyl fatty acids represented 7 and 13% of the total kidney 14C (Table III).…”

Section: Resultsmentioning

confidence: 68%

“…Excreted Metabolites. The dissimilarity of rat metabolism of cycloprate (Quistad et al, 1978) compared to that of the dog was quickly evident in the greatly reduced excretion of radiolabel by dogs. After 4 days only 25 and 2% of the applied dose was excreted in urine and feces, respectively (Figure 1).…”

Section: Resultsmentioning

confidence: 99%

“…Reconversion of CPCAcarnitine to CPCA-CoA (Figure 3) is probably required for subsequent formation of CPCA-gly (cf. Yang, 1976), the principal excretory product of CPCA in other mammalian species (Quistad et al, 1978).…”

Section: Resultsmentioning

confidence: 99%

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Environmental degradation of the miticide cycloprate (hexadecyl cyclopropanecarboxylate). 4. Beagle dog metabolism

Quistad¹,

Staiger²,

Schooley³

1978

J. Agric. Food Chem.

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Section: Resultsmentioning

confidence: 68%

Section: Resultsmentioning

confidence: 99%

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Environmental degradation of the miticide cycloprate (hexadecyl cyclopropanecarboxylate). 4. Beagle dog metabolism

Quistad¹,

Staiger²,

Schooley³

1978

J. Agric. Food Chem.

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“…Endophytic organisms can also contribute to the metabolism of organic chemicals within plants [21]. Plant biotransformation rates are available for a few pesticides [17,22,23], pharmaceutical chemicals [24], and plasticizers [25,26]. Furthermore, plant dissipation rates (degradation and transport loss mechanisms) can vary considerably between different plant compartments and environmental conditions [27,28].…”

Section: Introductionmentioning

confidence: 99%

A review of measured bioaccumulation data on terrestrial plants for organic chemicals: Metrics, variability, and the need for standardized measurement protocols

Doucette

Shunthirasingham

Dettenmaier³

et al. 2017

Enviro Toxic and Chemistry

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Quantifying the transfer of organic chemicals from the environment into terrestrial plants is essential for assessing human and ecological risks, using plants as environmental contamination biomonitors, and predicting phytoremediation effectiveness. Experimental data describing chemical uptake by plants are often expressed as ratios of chemical concentrations in the plant compartments of interest (e.g., leaves, shoots, roots, xylem sap) to those in the exposure medium (e.g., soil, soil porewater, hydroponic solution, air). These ratios are generally referred to as "bioconcentration factors" but have also been named for the specific plant compartment sampled, such as "root concentration factors," "leaf concentration factors," or "transpiration stream (xylem sap) concentrations factors." We reviewed over 350 articles to develop a database with 7049 entries of measured bioaccumulation data for 310 organic chemicals and 112 terrestrial plant species. Various experimental approaches have been used; therefore, interstudy comparisons and data-quality evaluations are difficult. Key exposure and plant growth conditions were often missing, and units were often unclear or not reported. The lack of comparable high-confidence data also limits model evaluation and development. Standard test protocols or, at a minimum, standard reporting guidelines for the measurement of plant uptake data are recommended to generate comparable, high-quality data that will improve mechanistic understanding of organic chemical uptake by plants. Environ Toxicol Chem 2018;37:21-33. C 2017 SETAC

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“…Quistad and co-workers studied the environmental degradation of the miticide cycloprate, hexadecyl cyclopropanecarboxylate; rat metabolism (345); bovine metabolism (346); apples and oranges (347); beagle dog metabolism (348) using [carboxyl-uC]cycloprate.…”

Section: Miscellanymentioning

confidence: 99%

Pesticide residues

Thornburg¹

1979

Anal. Chem.

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Environmental degradation of the miticide cycloprate. 2. Metabolism by apples and oranges

Cited by 13 publications

References 5 publications

Environmental degradation of the miticide cycloprate (hexadecyl cyclopropanecarboxylate). 4. Beagle dog metabolism

Environmental degradation of the miticide cycloprate (hexadecyl cyclopropanecarboxylate). 4. Beagle dog metabolism

A review of measured bioaccumulation data on terrestrial plants for organic chemicals: Metrics, variability, and the need for standardized measurement protocols

Pesticide residues

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