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Dairy, Volume 4, Issue 1

March 2023 - 17 articles

Cover Story: Lately, concern about the protease AprX has increased due to its ability to survive UHT treatment and spoil UHT milk. Efficient prediction methods for UHT milk spoilage are currently lacking. The present study aimed to gain more insight into the variability between Pseudomonas strains regarding proteolytic potential. The variability in aprX expression levels in four Pseudomonas strains were related to physical stability, milk proteolysis and peptidomic cleavage patterns of milk proteins. A positive relationship was observed between the relative expression of aprX and milk proteolysis during storage. The peptide formation analysis showed a similar protein hydrolysis pattern between strains and high hydrolysis of αs1-caseins during long-term spoilage putatively due to the activity of AprX was observed. View this paper
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Articles (17)

  • Article
  • Open Access
7 Citations
4,964 Views
14 Pages

Developing New High-Protein-Content Traditional-Type Greek Yoghurts Based on Jersey Cow Milk

  • Grigorios Nelios,
  • Anastasios Nikolaou,
  • Panagiotis Papazilakis and
  • Yiannis Kourkoutas

20 March 2023

In the past few years, Jersey cow milk has been considered an effective commodity for the production of dairy products, such as cheese and yoghurts, due to its high nutrient density. Initially, the microbial safety and physicochemical properties of p...

  • Article
  • Open Access
5 Citations
5,149 Views
13 Pages

Changes in the Concentration and Profile of Free Fatty Acids during the Ripening of a Spanish Blue-Veined Cheese Made from Raw and Pasteurized Cow and Goat Milk

  • Isabel Diezhandino,
  • Domingo Fernández,
  • Daniel Abarquero,
  • Bernardo Prieto,
  • Erica Renes,
  • José María Fresno and
  • María Eugenia Tornadijo

14 March 2023

Blue-veined cheeses in general undergo a pronounced lipolysis. The aim of this work was to determine the evolution of free fatty acids (FFA) in Valdeón cheese during ripening, comparing cheeses made from raw and pasteurized milk. The effect of...

  • Case Report
  • Open Access
2 Citations
2,560 Views
7 Pages

9 March 2023

The objective of this retrospective case study was to understand the effects of eliminating free-stall lock-up time during 21 days postpartum on milk yield, reproductive performance, and health events at a large dairy herd. A group of 200 cows were s...

  • Article
  • Open Access
9 Citations
5,589 Views
15 Pages

22 February 2023

Ruminant milk is an essential part of the human diet and is widely accepted as a major nutrient source in developing countries. However, the polar and neutral lipid content variation in milk fat globules (MFG)among cow, goat, and water buffalo is poo...

  • Article
  • Open Access
1 Citations
3,478 Views
20 Pages

21 February 2023

Particle size is not only important for the sensory perception of fat-free fermented concentrated milk products, but also for processing operations because of the direct relationship with apparent viscosity. The aim of this study was to apply inline...

  • Article
  • Open Access
6 Citations
4,500 Views
13 Pages

A Study of Milk Composition and Coagulation Properties of Holstein-Friesian, Jersey, and Their Cross Milked Once or Twice a Day

  • Inthujaa Sanjayaranj,
  • Nicolas Lopez-Villalobos,
  • Hugh T. Blair,
  • Patrick W. M. Janssen,
  • Stephen E. Holroyd and
  • Alastair K. H. MacGibbon

9 February 2023

The objective of the study was to explore the effect of breed on the composition and coagulation properties (rennet coagulation time (min), curd firming rate (min), and curd firmness (mm)) of milk from cows milked once a day or twice a day in the mor...

  • Article
  • Open Access
7 Citations
4,100 Views
17 Pages

3 February 2023

The destabilization of UHT milk during its shelf life can be promoted by the residual proteolytic activity attributed to the protease AprX from Pseudomonas. To better understand the hydrolysis patterns of AprX, and to evaluate the feasibility of usin...

  • Article
  • Open Access
3 Citations
3,238 Views
13 Pages

Adequate Dietary Intake and Consumption of Indigenous Fermented Products Are Associated with Improved Nutrition Status among Children Aged 6–23 Months in Zambia

  • Bubala Thandie Hamaimbo,
  • Pamela A. Marinda,
  • Vincent Nyau,
  • Justin Chileshe,
  • Christopher Khayeka-Wandabwa and
  • Sijmen E. Schoustra

3 February 2023

Agroecological food systems and socioeconomic characteristics are known to influence household food security and food consumption patterns and consequently have an impact on child nutritional status. The present study examined food consumption patter...

  • Article
  • Open Access
1 Citations
3,136 Views
13 Pages

29 January 2023

The monitoring and measurement of animal behaviour may be valuable for improving animal production and welfare. This study was designed to develop thresholds to predict the grazing, standing, walking, and lying behaviour of dairy cows from motion sen...

  • Article
  • Open Access
5 Citations
5,126 Views
16 Pages

29 January 2023

In this work stirred yogurts were produced using a technical scale pilot in which the cooling step was processed using either a tubular (THX; low shear) or a plate (PHX, high shear) heat exchanger. The aim was to determine how total solids (TS, adjus...

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Dairy - ISSN 2624-862X