Other Enzymes

Farkye, N.Y.

doi:10.1007/978-1-4419-8602-3_17

Cited by 14 publications

(16 citation statements)

References 183 publications

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“…Similar to the case of lactoferrin, lysozyme content is higher in colostrum than in mature milk (Farkye, Roginski, Fuquay, & Fox, ; Penchev‐Georgiev, ). There are few studies to analyse the effect of dietary factors on the lysozyme content of mature milk and colostrum.…”

Section: Discussionmentioning

confidence: 92%

Effect of the diets with pumpkin silage and synthetic β‐carotene on the carotenoid, immunoglobulin and bioactive protein content and fatty acid composition of colostrum

Halik

Łozicki

Koziorzębska

et al. 2018

Animal Physiology Nutrition

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Forty Simmental cows were divided into four groups with 10 per group to investigate the effect of a transition diet supplemented with synthetic β‐carotene and natural carotenoid‐rich feed (pumpkin silage) on chemical composition of the colostrum. The control group (I) was fed grass and maize silage and supplemental concentrates, group II additionally received 400 mg/day/cow of synthetic β‐carotene, in group, III 40% DM of maize silage was replaced with pumpkin silage to increase β‐carotene intake by 400 mg in relation to group I, and in group IV 60% DM of maize silage was replaced with pumpkin silage without adjusting for β‐carotene. Colostrum was collected from the cows within 5 hr of calving to determine colostrum composition, the content of immunoglobulins and carotenoids, total antioxidant status (TAS), the content of some bioactive proteins and the composition of fatty acids. The study showed that the experimental diets had no effect on the gross composition of colostrum. The content of α‐carotene, β‐carotene and violaxanthin was significantly higher in group IV than in group I and that of lutein higher in group IV than in groups I and II. Total antioxidant status of colostrum in group IV was significantly higher than in group I. Groups III and IV were characterized by a higher concentration of immunoglobulin IgG in relation to group I. IgM level in groups II, III and IV was significantly higher than in group I and that in groups III and IV was also higher than in group II. The highest IgA concentration was observed in group IV and the lowest in group I. Lysozyme concentration was higher in group IV compared to groups I and II. The diets had no effect on the total content of SFA, MUFA and PUFA in colostrum.

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Section: Discussionmentioning

confidence: 92%

Effect of the diets with pumpkin silage and synthetic β‐carotene on the carotenoid, immunoglobulin and bioactive protein content and fatty acid composition of colostrum

Halik

Łozicki

Koziorzębska

et al. 2018

Animal Physiology Nutrition

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“…The term 'spilling over' from epithelial mammary cells or serum during milk secretion was used in earlier (Kitchen, Taylor, & White, 1970) and later (Farkye, 2003) studies as an explanation for their presence in milk. However, it is doubtful if the term 'spill over' is justified in explaining the origin of enzymes in milk.…”

Section: Distribution Of Milk Enzymesmentioning

confidence: 99%

Physiological role of indigenous milk enzymes: An overview of an evolving picture

Silanikove

Merin

Leitner³

2006

International Dairy Journal

103

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“…Korohnen (1977) observed that the concentration of LPO in colostrum is low initially but increases rapidly to reach a maximum after 3-5 days post-partum, followed by a slow decrease until a plateau is reached after about 2 weeks. Catalase activity is also higher in colostrum than in milk and decreases throughout lactation (Farkye 2002). …”

Section: Antioxidant Enzymesmentioning

confidence: 99%

Composition and properties of bovine colostrum: a review

McGrath

Fox

McSweeney

et al. 2015

Dairy Sci. & Technol.

299

263

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Colostrum is the initial milk secreted by mammals following parturition, the composition and physicochemical properties of which are highly dynamic and variable. The composition and physicochemical properties of colostrum during the initial postpartum period has not been systematically reviewed for many years, although the topic remains of interest both to milk producers and processors. In this article, the current understanding of the composition of colostrum, i.e. carbohydrates, proteins, growth factors, enzymes, enzyme inhibitors, nucleotides and nucleosides, cytokines, fats, vitamins and minerals, is reviewed. In addition, the physicochemical properties, i.e. pH and buffering capacity, colour, density and specific gravity, osmotic pressure, somatic cell count, properties of casein micelles, ethanol stability and rennet coagulation properties are discussed, as well as the effects of heat-treating colostrum.

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Other Enzymes

Cited by 14 publications

References 183 publications

Effect of the diets with pumpkin silage and synthetic β‐carotene on the carotenoid, immunoglobulin and bioactive protein content and fatty acid composition of colostrum

Effect of the diets with pumpkin silage and synthetic β‐carotene on the carotenoid, immunoglobulin and bioactive protein content and fatty acid composition of colostrum

Physiological role of indigenous milk enzymes: An overview of an evolving picture

Composition and properties of bovine colostrum: a review

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