Evaluation of clays as binding agents for reduction of radionuclides in milk. Binding properties of natural and hydrogen form clays with strontium and essential cations in artificial rumen and in simulated abomasal and intestinal fluids

Barth, Julius; Bruckner, Benjamin H.

doi:10.1021/jf60166a007

Cited by 3 publications

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“…Barth and Bruckner (1969b) reported that natural Belle Fourche bentonite bound a considerable portion of the 134Cs in an artificial rumen and simulated bovine abomasal and intestinal fluids. Barth and Bruckner (1969a) also reported that in the same system, Belle Fourche bentonite increased the Ca2^ion levels and had little effect on the levels of Mg2+, K+, and Na+.…”

Section: Mrazmentioning

confidence: 81%

Evaluation of clays as binding agents for reduction of radionuclides in milk. Effect of Belle Fourche bentonite on excretion of cesium-134 in lactating goats

Barth¹,

Mikalis²,

Harris³

et al. 1969

J. Agric. Food Chem.

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Sodium montmorillonite (Belle Fourche bentonite)concentrate. The blood levels and urinary exeffectively reduced the secretion of a single oral cretion of 1 3 C s were reduced and the fecal exdose of 1 3 C s in the milk of lactating goats when cretion of 134Cs was increased considerably.added to the ration at levels of 4 % and 8 of the M raz and Patrick (1957) reported that bentonite fed to rats greatly increased fecal excretion of subcutaneously administered 134Cs. Barth and Bruckner (1969b) reported that natural Belle Fourche bentonite bound a considerable portion of the 1 3 C s in a n artificial rumen and simulated bovine abomasal and intestinal fluids. Barth and Bruckner (196%) also reported that in the same system, Belle Fourche bentonite increased the Ca2-ion levels and had little effect on the levels of Mg2+, K+, and Na+.Although radiocesium is concentrated by certain bacteria and other plants, in ritro experiments by Barth and Bruckner (1969b) showed that 1 3 C s was not concentrated by rumen microflora in an artificial rumen. This suggested that almost all of the radiocesium in rumen juice is in a form available to be acted upon by binding agents in the rumen. As indicated by in ritro studies by Barth and Bruckner (1969b), the rumen is the most favorable site in the digestive tract for the binding of radiocesium by natural Belle Fourche bentonite.Hazzard (1966) reported that verxite, another clay material, reduced l'j4Cs excretion in the milk of goats.This paper describes the effects of natural Belle Fourche bentonite added to feed on the secretion and excretion of a n orally administered dose of la4Cs in lactating goats. P ROC ED L R E

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Section: Mrazmentioning

confidence: 81%