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EC number: 295-458-3
CAS number: 92045-76-6
A complex combination of hydrocarbons obtained from residual oils by solvent crystallisation and treated with hydrogen in the presence of a catalyst. It consists predominantly of saturated straight and branched chain hydrocarbons having carbon numbers predominantly greater than C25.
were found in the livers, mesenteric lymph nodes (MLNs), and perirenal
fat of all groups fed waxes; levels in the spleen and kidney were much
less and did not exceed 0.1 mg/g tissue. Statistically significant
increases of saturated hydrocarbon content in the liver were observed
in groups fed waxes (LMPW, MP, and IMPW) except animals fed
microcrystalline waxes (HSW and HMPW). Accumulation in the liver was
greater in females than males. After a reversal period during which
time the animals were fed control diet only, there was a lowering of
MHC levels in both sexes with a greater reduction after the 85-day
reversal period (80-90% reduction in females for the LMPW, IMPW, and
MP waxes; not measured in males). The MLNs contained statistically
significant increases of mineral hydrocarbons in the same treatment
groups as for the liver. The MHC content in the MLNs was higher in
females than males. There was little indication of any reduction in
MHC of the MLNs after the 28-day reversal period. Data were not
available for the 85 day-reversal groups. In samples of perirenal fat,
the MHC content was increased to a similar extent in males and females
fedLMPW. Although there was some evidence of a reduction in MHC levels
after a 28-day reversal period, elevated levels nevertheless still
study received a Klimisch score of 2 and is classified as reliable
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