Effect of Ethoxyquin on Carotenoid Stability and Utilization

Nakaue, H. S.; Kurnick, A. A.; Hulett, B. J.; Reid, B. L.

doi:10.3382/ps.0450478

Cited by 11 publications

(8 citation statements)

References 7 publications

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“…A somewhat similar situation has been described by Thafvelin (1960), who reported that "new grain" contained fats which were susceptible to rancidity, and that this susceptibility decreased steadily during storage. With regard to the relative stability of the various carotenoid fractions during such adverse storage conditions, it appears as if all the fractions underwent destruction at more or less the same rate (Table 1), in agreement with the data of Quackenbush (1963) for corn, and of Nakaue et al (1966) for alfalfa meal. Thus, these results do not support the assumption that drastic changes in the composition of carotenoids, as a result of unfavorable storage conditions, may be the reason for low XU rates observed in FLC subjected to such storage (trials 2 and 3).…”

Section: Discussionsupporting

confidence: 80%

“…This might be construed to imply that lutein is better utilized then zeaxanthin. On the other hand, Williams et al (1963) did not find any difference between the utilization of pure lutein and zeaxanthin by the laying hen, and Anjaneyalu (1962) and Nakaue et al (1966) reported that zeaxanthin from alfalfa meal was much better utilized than lutein from the same source.…”

Section: Discussionmentioning

confidence: 88%

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Studies on Egg Yolk Pigmentation

Bartov

Bornstein

1967

Poultry Science

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 88%

Studies on Egg Yolk Pigmentation

Bartov

Bornstein

1967

Poultry Science

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“…In ethoxyquin treated dehydrated alfalfa meal, Nakaue et al (1966) reported carotenoid contents of lutein, 64%, violaxanthin, 12.2%, cryptoxanthin, 6%, and zeaxanthin, 4%. When this meal was fed to laying hens, 43% of the ingested zeaxanthin was deposited in egg yolks; the percent deposition for cryptoxanthin, lutein, and violaxanthin was 21, 8, and 0, respectively.…”

Section: Discussionmentioning

confidence: 96%

“…Marusich et al (1960) found crystalline violaxanthin to be almost completely ineffective as a potential egg yolk pigment. Similarly, violaxanthin from dehydrated alfalfa meal was not recovered from egg yolks (Nakaue et al, 1966). Kuzmicky et al (1969) found neoxanthin to be only 8% as effective in pigmenting broiler skin as lutein whUe violaxanthin was basically ineffective.…”

Section: Introductionmentioning

confidence: 95%

Variation in the Biological Availability of Xanthophyll Within and Among Generic Sources

Middendorf¹,

Childs²,

Cravens³

1980

Poultry Science

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Xanthophyll depleted, fasted broilers were intubated with various xanthophyll sources in a series of six experiments. The increase in serum xanthophyll per milligram xanthophyll intubated per kilogram body weight was used to estimate exahtnophyll availability. Statistically significant differences among samples within and among generic sources were obtained. As a result, beta-apo-8'-carotenoic acid ethyl ester (apo-EE) was used as a reference standard in Experiments 4 to 6. When the availability of apo-EE was given a relative value of 100, the availability of xanthophyll from corn gluten meal ranged from 47.7 to 89.1% (four samples), from dehydrated alfalfa, 34.6 to 65.4% (eight samples), and from Coastal Bermudagrass, 18.8 to 27.9% (three samples).

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“…Ethoxyquin, a synthetic antioxidant approved for use in poultry feeds at 125 ppm, has been used for years to enhance pigmentation (Romoser et al, 1959;Waldroup et al, 1960;Bartov and Bornstein, 1966;Nakaue et al, 1966;Runnels et al, 1966). It is also considered to be a biologically active antioxidant reported to prevent encephalomalacia, muscular degeneration, and exudative diathesis in purified diets essentially free of vitamin E .…”

Section: Introductionmentioning

confidence: 98%

The Effect of Ethoxyquin on Tissue Peroxidation and Immune Status of Single Comb White Leghorn Cockerels

1996

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The responses to supplementing the diet of Single Comb White Leghorn (SCWL) cockerels with ethoxyquin were tested on two parameters: 1) tissue peroxidation and 2) immune response. In the first experiment, three concentrations of supplemental ethoxyquin (0, 500, and 1,000 ppm) were added to a basal diet and fed to SCWL cockerels for 6 wk. Tissue peroxidation was assessed by measuring the thiobarbituric acid reactive substances (TBARS) concentration in the liver, kidney, heart, and spleen. The TBARS concentration in response to 500 ppm dietary ethoxyquin was significantly lower in the liver and spleen tissues, whereas in the kidneys, 1,000 ppm ethoxyquin significantly lowered TBARS. In a second experiment, four concentrations of ethoxyquin (0, 125, 500, and 1,000 ppm) were added to a basal diet and fed to SCWL cockerels for 8 wk. The primary and secondary immune response were assessed by determining antibody titers to the Newcastle disease virus using hemagglutination inhibition (HI) and ELISA. The HI and ELISA titers for the primary and secondary immune response were not significantly different from the control. Analysis of body weight, feed conversion, and organ weight revealed no statistically significant differences between treatments, although in the second experiment the dietary treatment of 1,000 ppm ethoxyquin resulted in significantly higher relative liver weight.

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Effect of Ethoxyquin on Carotenoid Stability and Utilization

Cited by 11 publications

References 7 publications

Studies on Egg Yolk Pigmentation

Studies on Egg Yolk Pigmentation

Variation in the Biological Availability of Xanthophyll Within and Among Generic Sources

The Effect of Ethoxyquin on Tissue Peroxidation and Immune Status of Single Comb White Leghorn Cockerels

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