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Pawlos M, Znamirowska-Piotrowska A, Kowalczyk M, Zaguła G, Szajnar K. Possibility of Using Different Calcium Compounds for the Manufacture of Fresh Acid Rennet Cheese from Goat's Milk. Foods 2023; 12:3703. [PMID: 37835357 PMCID: PMC10572428 DOI: 10.3390/foods12193703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 09/28/2023] [Accepted: 10/07/2023] [Indexed: 10/15/2023] Open
Abstract
Calcium can be added to cheese milk to influence the coagulation process and to increase cheese yield. Calcium compounds used in the dairy industry show substantial differences in their practical application. Therefore, this study aimed to evaluate the potential use of 0, 5, 10, 15, and 20 mg Ca 100 g-1 of milk in the form of calcium gluconate, lactate, and carbonate as alternatives to calcium chloride in manufacturing fresh acid rennet cheese from high-pasteurized (90 °C, 15 s) goat's milk. The pH value of the cheese was reduced most strongly by the addition of increasing doses of calcium lactate (r = -0.9521). Each cheese sample showed increased fat content with the addition of calcium. Only calcium chloride did not reduce protein retention from goat's milk to cheese. The addition of 20 mg Ca 100 g-1 of milk in the form of gluconate increased cheese yield by 4.04%, and lactate reduced cheese yield by 2.3%. Adding each calcium compound to goat's milk significantly increased Ca and P levels in the cheese (p ≤ 0.05). The highest Ca levels were found in cheese with the addition of 20 mg Ca 100 g-1 of milk in the form of lactate. In all groups, similar contents of Mn, Mo, and Se were found. Calcium addition significantly affected cheese hardness, while higher calcium concentrations increased hardness. Carbonate caused the greatest increase in the cohesiveness of cheese. The addition of calcium compounds increased the adhesiveness and springiness of cheese compared to controls. The cheese with calcium chloride had the highest overall acceptability compared to the other cheese samples. The addition of calcium carbonate resulted in a lower score for appearance and consistency, and influenced a slightly perceptible graininess, sandiness, and stickiness in its consistency, as well as provided a slightly perceptible chalky taste.
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Affiliation(s)
- Małgorzata Pawlos
- Department of Dairy Technology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D, 35-601 Rzeszow, Poland; (A.Z.-P.); (M.K.); (K.S.)
| | - Agata Znamirowska-Piotrowska
- Department of Dairy Technology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D, 35-601 Rzeszow, Poland; (A.Z.-P.); (M.K.); (K.S.)
| | - Magdalena Kowalczyk
- Department of Dairy Technology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D, 35-601 Rzeszow, Poland; (A.Z.-P.); (M.K.); (K.S.)
| | - Grzegorz Zaguła
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Zelwerowicza 4, 35-601 Rzeszow, Poland;
| | - Katarzyna Szajnar
- Department of Dairy Technology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Cwiklinskiej 2D, 35-601 Rzeszow, Poland; (A.Z.-P.); (M.K.); (K.S.)
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Toscano A, Giannuzzi D, Pegolo S, Vanzin A, Bisutti V, Gallo L, Trevisi E, Cecchinato A, Schiavon S. Associations between the detailed milk mineral profile, milk composition, and metabolic status in Holstein cows. J Dairy Sci 2023; 106:6577-6591. [PMID: 37479573 DOI: 10.3168/jds.2022-23161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/07/2023] [Indexed: 07/23/2023]
Abstract
The causes of variation in the milk mineral profile of dairy cattle during the first phase of lactation were studied under the hypothesis that the milk mineral profile partially reflects the animals' metabolic status. Correlations between the minerals and the main milk constituents (i.e., protein, fat, and lactose percentages), and their associations with the cows' metabolic status indicators were explored. The metabolic status indicators (MET) that we used were blood energy-protein metabolites [nonesterified fatty acids, β-hydroxybutyrate (BHB), glucose, cholesterol, creatinine, and urea], and liver ultrasound measurements (predicted triacylglycerol liver content, portal vein area, portal vein diameter and liver depth). Milk and blood samples, and ultrasound measurements were taken from 295 Holstein cows belonging to 2 herds and in the first 120 d in milk (DIM). Milk mineral contents were determined by ICP-OES; these were considered the response variable and analyzed through a mixed model which included DIM, parity, milk yield, and MET as fixed effects, and the herd/date as a random effect. The MET traits were divided in tertiles. The results showed that milk protein was positively associated with body condition score (BCS) and glucose, and negatively associated with BHB blood content; milk fat was positively associated with BHB content; milk lactose was positively associated with BCS; and Ca, P, K and S were the minerals with the greatest number of associations with the cows' energy indicators, particularly BCS, predicted triacylglycerol liver content, glucose, BHB and urea. We conclude that the protein, fat, lactose, and mineral contents of milk partially reflect the metabolic adaptation of cows during lactation and within 120 DIM. Variations in the milk mineral profile were consistent with changes in the major milk constituents and the metabolic status of cows.
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Affiliation(s)
- Alessandro Toscano
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
| | - Diana Giannuzzi
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy.
| | - Sara Pegolo
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
| | - Alice Vanzin
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
| | - Vittoria Bisutti
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
| | - Luigi Gallo
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
| | - Erminio Trevisi
- Department of Animal Science, Food and Nutrition (DIANA), Catholic University of the Sacred Heart, 29122, Piacenza, Italy
| | - Alessio Cecchinato
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
| | - Stefano Schiavon
- Department of Agronomy, Food, Natural Resources, Animal and Environment (DAFNAE), University of Padova, 35020, Legnaro, Padova, Italy
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Olsen MA, Ferneborg S, Vhile SG, Kidane A, Skeie SB. Different protein sources in concentrate feed for dairy cows affect cheese-making properties and yield. J Dairy Sci 2023; 106:5328-5337. [PMID: 37268587 DOI: 10.3168/jds.2022-22662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/24/2023] [Indexed: 06/04/2023]
Abstract
Soybean meal (SBM) is a commonly used protein source in feed. Yeast microbial protein could be used as a substitute for SBM, but its effect on cheese-making properties and yield is not known. Norwegian Red dairy cows (n = 48) in early or mid lactation were divided in 3 groups and fed a ration consisting of grass silage and concentrate, where the concentrates were barley based but with different additional protein sources. These were: completely barley based with no additional protein source (BAR), additional protein from SBM, or additional protein from yeast (Cyberlindnera jadinii; YEA). The SBM and YEA concentrates had a higher protein content than the barley concentrate. Four batches of cheese were made from pooled milk from each of the 3 groups of dairy cows. Milk samples were collected 5 times during the experiment. Milk from cows fed BAR concentrate showed inferior cheese-making properties (lower casein content, longer renneting time, lower content of phosphorus, and lower cheese yield) compared with SBM and YEA concentrates. Overall, SBM or YEA bulk milk had similar cheese-making properties, but when investigating individual milk samples, YEA milk showed better coagulation properties.
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Affiliation(s)
- M A Olsen
- Faculty of Chemistry, Biotechnology and Food Science (KBM), Norwegian University of Life Sciences (NMBU), 5003, N-1432 Ås, Norway.
| | - S Ferneborg
- Faculty of Biosciences, Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences (NMBU), 5003, N-1432 Ås, Norway
| | - S G Vhile
- Faculty of Biosciences, Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences (NMBU), 5003, N-1432 Ås, Norway
| | - A Kidane
- Faculty of Biosciences, Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences (NMBU), 5003, N-1432 Ås, Norway
| | - S B Skeie
- Faculty of Chemistry, Biotechnology and Food Science (KBM), Norwegian University of Life Sciences (NMBU), 5003, N-1432 Ås, Norway
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Oštarić F, Kalit S, Curik I, Mikulec N. Influence of Sodium and Potassium Chloride on Rennet Coagulation and Curd Firmness in Bovine Milk. Foods 2023; 12:2293. [PMID: 37372505 DOI: 10.3390/foods12122293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
One of the salting methods in cheese production implies salting the milk before coagulation used in making Domiati-type cheeses and a variety of autochthonous "Lički Škripavac" cheese. The most used sodium replacer is potassium. This study investigated the influence of different added salt concentrations (1%, 1.5%, and 2%) and NaCl to KCl ratios (100%, 50:50%, 25:75%) on the rennet coagulation and curd firmness in bovine milk. The milk coagulation parameters were determined with a computerized renneting meter, Lactodinamograph. The results showed significant interactions between the salt concentrations and NaCl to KCl ratios (p < 0.0001, α = 0.05) by prolonging the beginning of coagulation (10-20 min) and curd firming rate (1-5 min) by an increase in salt concentration for all treatments. The 50:50 treatment values (RCT, k20, a30, a60, amax) were closest to the control (without salt) and had the best results among all treatments in the lower (1%) and medium (1.5%) salt concentration (p > 0.0001, α = 0.05) while in the highest salt concentration (2%) the treatment effect was nonsignificant (p > 0.05). These results should help future studies make a lower sodium product appealing to consumers without losing quality.
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Affiliation(s)
- Fabijan Oštarić
- Department of Dairy Science, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Samir Kalit
- Department of Dairy Science, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Ino Curik
- Department of Animal Science, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Nataša Mikulec
- Department of Dairy Science, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
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A Study of Milk Composition and Coagulation Properties of Holstein-Friesian, Jersey, and Their Cross Milked Once or Twice a Day. DAIRY 2023. [DOI: 10.3390/dairy4010012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
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 morning and afternoon, using a Formagraph. Thirty cows (11 Holstein-Friesian, 8 Holstein-Friesian × Jersey cross, and 11 Jersey) from a once-a-day milking herd and thirty cows (16 Holstein-Friesian, 10 Holstein-Friesian × Jersey cross, and 4 Jersey) from a twice-a-day milking herd were sampled in late lactation. The milk composition and coagulation properties were analysed for each milk sample. Jersey cows had better milk coagulation properties at each milking frequency-milking time compared to Holstein-Friesian cows. Curd firmness 30 min after the addition of rennet was positively (p < 0.05) correlated with the protein concentration. However, the correlations were inconsistent between milking frequencies and milking times, resulting in poor prediction of the changes in cheese-making potential. This study indicated that milk composition and coagulation properties were affected by breed and milking frequency. The effect of the breed could be due to the variation in the composition of the milk, but firm recommendations were hampered by a low number of samples. Further research with larger cow numbers is justified.
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Garzón A, Perea JM, Arias R, Angón E, Caballero-Villalobos J. Efficiency of Manchega Sheep Milk Intended for Cheesemaking and Determination of Factors Causing Inefficiency. Animals (Basel) 2023; 13:ani13020255. [PMID: 36670795 PMCID: PMC9854559 DOI: 10.3390/ani13020255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/06/2023] [Accepted: 01/08/2023] [Indexed: 01/15/2023] Open
Abstract
Understanding the factors that determine and regulate cheese yield would allow, through deterministic parametric efficiency models, the determination of the most appropriate milk characteristics for the industry, and the estimation of a technological value for these characteristics. The present study aims to evaluate coagulation performance of Manchega sheep milk intended for cheesemaking and explores two models to determine milk technological efficiency. For this purpose, 1200 Manchega sheep milk samples were collected, and analyses were performed for composition, milk coagulation properties (MCP), somatic cell count (SCC), and milk color values. A first model was built based on curd yield (CE) and a second one based on dry curd yield (DCE). GLM and MANCOVA analyses were used to identify the factors that determine curd yield efficiency, which mainly depended on pH, casein, and lactose content and, to a lesser extent, on the speed of coagulation and curd firmness. When comparing both models, differences were linked to the water retention capacity of the curd. Based on this, the DCE model was considered much more accurate for prediction of coagulation efficiency in a wider variety of cheeses, as it does not seem to be affected by moisture loss.
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Affiliation(s)
- Ana Garzón
- Departamento de Producción Animal, Universidad de Córdoba, 14071 Córdoba, Spain
| | - José M. Perea
- Departamento de Producción Animal, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Ramón Arias
- Centro Regional de Selección y Reproducción Animal de Castilla-La Mancha, Valdepeñas, 13300 Ciudad Real, Spain
| | - Elena Angón
- Departamento de Producción Animal, Universidad de Córdoba, 14071 Córdoba, Spain
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Correddu F, Gaspa G, Cesarani A, Macciotta NPP. Phenotypic and genetic characterization of the occurrence of noncoagulating milk in dairy sheep. J Dairy Sci 2022; 105:6773-6782. [PMID: 35840399 DOI: 10.3168/jds.2021-21661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 04/25/2022] [Indexed: 11/19/2022]
Abstract
Milk coagulation ability is of central importance for the sheep dairy industry because almost all sheep milk is destined for cheese processing. The occurrence of milk with impaired coagulation properties is an obstacle to cheese processing and, in turn, to the profitability of the dairy companies. In this work, we investigated the causes of noncoagulation of sheep milk; specifically, we studied the effect of milk physicochemical properties on milk coagulation status [coagulating and noncoagulating (NC) milk samples, which do or do not coagulate within 30 min, respectively], and whether mid-infrared spectroscopy (MIR) could be used to assess variability in coagulation status. We also investigated the genetic background of milk coagulation ability. Individual milk samples were collected from 996 Sarda ewes farmed in 47 flocks located in Sardinia (Italy). Considered traits were daily milk yield, milk composition traits, and milk coagulation properties (rennet coagulation time, curd firming time, and curd firmness), and MIR spectra were acquired. About 9% of samples did not coagulate within 30 min. A logistic regression approach was used to test the effect of milk-related traits on milk coagulation status. A principal component (PC) analysis was carried out on the milk MIR spectra, and PC scores were then used as covariates in a logistic regression model to assess their relationship with milk coagulation status. Results of the present work demonstrated that the probability of having NC samples increases as milk contents of proteins and chlorides and somatic cell score increase. The analysis of PC extracted from milk spectra that influenced coagulation status highlighted key regions associated with lactose and protein concentrations, and others not associated with routinely collected milk composition traits. These results suggest that the occurrence of NC is mostly related to damage of the epithelium secretory mammary cells, which occurs with the advancement of a lactation or due to unhealthy mammary gland status. Genetic analysis of milk coagulation status and of the extracted PC confirmed the genetic background of the milk coagulability of sheep milk.
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Affiliation(s)
- F Correddu
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy.
| | - G Gaspa
- Department of Agricultural, Forestry and Alimentary Sciences, University of Torino, 10095 Grugliasco, Italy
| | - A Cesarani
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy
| | - N P P Macciotta
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy
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Gaspa G, Correddu F, Cesarani A, Congiu M, Dimauro C, Pauciullo A, Macciotta NPP. Multivariate and Genome-Wide Analysis of Mid-Infrared Spectra of Non-Coagulating Milk of Sarda Sheep Breed. FRONTIERS IN ANIMAL SCIENCE 2022. [DOI: 10.3389/fanim.2022.889797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Milk coagulation ability is crucial for the dairy sheep industry since the whole amount of milk is processed into cheese. Non-coagulating milk (NCM) is defined as milk not forming a curd within the testing time. In sheep milk, it has been reported in literature that up to 20% of milk is NCM. Although the clotting properties of individual milk have been widely studied, little attention has been given to NCM and genomic dissection of this trait. Mid-infrared (MIR) spectra can be exploited both to predict cheese-making aptitude and to discriminate between coagulating milk and NCM. The main goals of this work were (i) to assess the predictivity of MIR spectra for NCM classification and (ii) to conduct a genome-wide association study on coagulation ability. Milk samples from 949 Sarda ewes genotyped and phenotyped for milk coagulation properties (MCPs) served as the training dataset. The validation dataset included 662 ewes. Three classical MCPs were measured: rennet coagulation time (RCT), curd firmness (a30), and curd firming time (k20). Moreover, MIR spectra were acquired and stored in the region between 925.92 and 5,011.54 cm−1. The probability of a sample to be NCM was modeled by step-wise logistic regression on milk spectral information (LR-W), logistic regression on principal component (LR-PC), and canonical discriminant analysis of spectral wave number (DA-W). About 9% of the samples did not coagulate at 30 min. The use of LR-W gave a poorer classification of NCM. The use of LR-PC improved the percentage of correct assignment (45 ± 9%). The DA-W method allows us to reach 75.1 ± 10.3 and 76.5 ± 18.4% of correct assignments of the inner and external validation datasets, respectively. As far as GWA of NCM, 458 SNP associations and 45 candidate genes were detected. The genes retrieved from public databases were mostly linked to mammary gland metabolism, udder health status, and a milk compound also known to affect the ability of milk to coagulate. In particular, the potential involvement of CAPNs deserves further investigation.
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Stergiadis S, Qin N, Faludi G, Beauclercq S, Pitt J, Desnica N, Pétursdóttir ÁH, Newton EE, Angelidis AE, Givens I, Humphries DJ, Gunnlaugsdóttir H, Juniper DT. Mineral Concentrations in Bovine Milk from Farms with Contrasting Grazing Management. Foods 2021; 10:2733. [PMID: 34829015 PMCID: PMC8620383 DOI: 10.3390/foods10112733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 11/19/2022] Open
Abstract
Thirty conventional and twenty-four organic dairy farms were divided into equal numbers within system groups: high-pasture, standard-pasture, and low-pasture groups. Milk samples were collected monthly for 12 consecutive months. Milk from high-pasture organic farms contained less fat and protein than standard- and low-pasture organic farms, but more lactose than low-pasture organic farms. Grazing, concentrate feed intake and the contribution of non-Holstein breeds were the key drivers for these changes. Milk Ca and P concentrations were lower in standard-pasture conventional farms than the other conventional groups. Milk from low-pasture organic farms contained less Ca than high- and standard-pasture organic farms, while high-pasture organic farms produced milk with the highest Sn concentration. Differences in mineral concentrations were driven by the contribution of non-Holstein breeds, feeding practices, and grazing activity; but due to their relatively low numerical differences between groups, the subsequent impact on consumers' dietary mineral intakes would be minor.
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Affiliation(s)
- Sokratis Stergiadis
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
| | - Nanbing Qin
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
| | - Gergely Faludi
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
- Georgikon Campus, Szent Istvan University, Deák Ferenc u. 16, H-8360 Keszthely, Hungary
| | - Stephane Beauclercq
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
| | - Joe Pitt
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
| | - Natasa Desnica
- Matís Ltd., Vinlandsleid 12, 113 Reykjavik, Iceland; (N.D.); (Á.H.P.); (H.G.)
| | | | - Eric E. Newton
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
| | - Angelos E. Angelidis
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
| | - Ian Givens
- Institute for Food, Nutrition and Health, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK;
| | - David J. Humphries
- Centre for Dairy Research, School of Agriculture, Policy and Development, University of Reading, Hall Farm House, Church Ln, Reading RG2 9HX, UK;
| | - Helga Gunnlaugsdóttir
- Matís Ltd., Vinlandsleid 12, 113 Reykjavik, Iceland; (N.D.); (Á.H.P.); (H.G.)
- Faculty of Food Science and Nutrition, School of Health Sciences, University Iceland, 102 Reykjavik, Iceland
| | - Darren T. Juniper
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, P.O. Box 237, Earley Gate, Reading RG6 6EU, UK; (N.Q.); (G.F.); (S.B.); (J.P.); (E.E.N.); (A.E.A.); (D.T.J.)
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