A Study of Methods for the Determination of Acidity in Butter Fat

Breazeale, D. F.; Bird, E.W.

doi:10.3168/jds.s0022-0302(38)92977-7

Cited by 18 publications

(2 citation statements)

References 3 publications

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“…DPPH was estimated according to the method indicated by [12]. And the determination of the free fatty acids of egg yolk according to the method described by [13], and the peroxide number according to the Person method (1976). And total nitrogen according to the Indian method for the year (1997).…”

Section: Estimation Of Antioxidants In the Eggmentioning

confidence: 99%

Effect of Adding Okra Powder and Vitamin C or E to the Diet on some Qualitative Characteristics and Oxidation Indices in the Eggs of Lohmann Brown-Lite Hens

Allaw

Taha

Saleh

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The study employed 300 laying hens at 34 weeks of age, divided into 5 treatments with 3 replicates per replication of 20 birds each, to determine the impact of adding okra powder and vitamins C and E to (Brown-Lite Lohman) egg broiler diets on certain qualitative egg features and oxidation indicators. The treatments were: (T1): control treatment without any addition, (T2) 250 mg vitamin C / kg diet, (T3) 200 mg vitamin E / kg diet, (T4) 2 gm okra powder / kg diet, (T5) ) Add 4 gm of okra powder / kg diet. The results indicated that there were no significant differences in the relative weight of shell, white and yolk compared with the control treatment. And the shell thickness was much greater in the addition treatments than in the control. Compared to the control group, the addition treatments recorded a significant decrease in the value of the peroxide number and an increase in the concentration of estrogen in the egg, indicating that okra at 4 g / kg of feed contributed to the improvement in antioxidants in the egg.

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Section: Estimation Of Antioxidants In the Eggmentioning

confidence: 99%

Effect of Adding Okra Powder and Vitamin C or E to the Diet on some Qualitative Characteristics and Oxidation Indices in the Eggs of Lohmann Brown-Lite Hens

Allaw

Taha

Saleh

2023

IOP Conf. Ser.: Earth Environ. Sci.

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show abstract

“…sample of the emulsion and the mixture then titrated with 0.1 H alcoholic potassium hydroxide, using phenolphthaleln as an Indicator, Peters and Helson (19l}.8a In order to laeaaiu'e the activity of milk lipase more accurately, Johnson and Gould (19lt9b) developed an ©xtractiontitration procedure. Cream or milk was acidified to pH 2 with siilfuric acid, ethanol was added and shaken and then extracted with a ralxttire of petrole\am ether and diethyl ether, !Ehe ether extract was recovered after centrifugation, vaporized and the residue titrated according to the alcoholic potasslina hydroxide method proposed by Breazeale and Bird (1938)•…”

Section: Statement Op Problemmentioning

confidence: 99%