Milk Protein Hydrolysates and Bioactive Peptides

2016 ◽  
pp. 417-482 ◽  
Author(s):  
A. B. Nongonierma ◽  
M. B. O’Keeffe ◽  
R. J. FitzGerald
Keyword(s):  
Milk Protein ◽  
Bioactive Peptides ◽  
Protein Hydrolysates

Molecular binding mechanism and identification of novel anti-hypertensive and anti-inflammatory bioactive peptides from camel milk protein hydrolysates

LWT ◽  
2019 ◽  
Vol 112 ◽  
pp. 108193 ◽  
Author(s):  
Priti Mudgil ◽  
Bincy Baby ◽  
Ying-Yuan Ngoh ◽  
Hina Kamal ◽  
Ranjit Vijayan ◽  
...  
Keyword(s):  
Milk Protein ◽  
Bioactive Peptides ◽  
Protein Hydrolysates ◽  
Camel Milk ◽  
Binding Mechanism ◽  
Molecular Binding ◽  
Anti Inflammatory

scholarly journals Characterization of Protein Hydrolysates from Fish Discards and By-Products from the North-West Spain Fishing Fleet as Potential Sources of Bioactive Peptides

Marine Drugs ◽  
2021 ◽  
Vol 19 (6) ◽  
pp. 338
Author(s):  
Andreia Henriques ◽  
José A. Vázquez ◽  
Jesus Valcarcel ◽  
Rogério Mendes ◽  
Narcisa M. Bandarra ◽  
...  
Keyword(s):  
Inhibitory Activity ◽  
Bioactive Peptides ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Protein Hydrolysates ◽  
Scavenging Activity ◽  
North West ◽  
Chelating Activity ◽  
The North ◽  
By Products

Fish discards and by-products can be transformed into high value-added products such as fish protein hydrolysates (FPH) containing bioactive peptides. Protein hydrolysates were prepared from different parts (whole fish, skin and head) of several discarded species of the North-West Spain fishing fleet using Alcalase. All hydrolysates had moisture and ash contents lower than 10% and 15%, respectively. The fat content of FPH varied between 1.5% and 9.4% and had high protein content (69.8–76.6%). The amino acids profiles of FPH are quite similar and the most abundant amino acids were glutamic and aspartic acids. All FPH exhibited antioxidant activity and those obtained from Atlantic horse mackerel heads presented the highest 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, reducing power and Cu2+ chelating activity. On the other hand, hydrolysates from gurnard heads showed the highest ABTS radical scavenging activity and Fe2+ chelating activity. In what concerns the α-amylase inhibitory activity, the IC50 values recorded for FPH ranged between 5.70 and 84.37 mg/mL for blue whiting heads and whole Atlantic horse mackerel, respectively. α-Glucosidase inhibitory activity of FPH was relatively low but all FPH had high Angiotensin Converting Enzyme (ACE) inhibitory activity. Considering the biological activities, these FPH are potential natural additives for functional foods or nutraceuticals.

Effects of abomasal infusions of sodium caseinate, a hydrolysate of casein or a corresponding mixture of free amino acids on milk yield and composition in dairy cows

1995 ◽  
Vol 62 (1) ◽  
pp. 29-37 ◽  
Author(s):  
Jai-Jun Choung ◽  
David G. Chamberlain
Keyword(s):  
Amino Acids ◽  
Dairy Cows ◽  
Free Amino Acids ◽  
Free Amino ◽  
Milk Protein ◽  
Bioactive Peptides ◽  
Basal Diet ◽  
Sodium Caseinate ◽  
Amino Acid Residues ◽  
Kinetics Of

SummaryThe effects of the form in which amino acids are presented to the abomasum on the milk production of dairy cows receiving a basal diet of grass silage and a barley-based supplement were examined in two experiments. Effects of abomasal infusions of sodium caseinate were compared with the effects of corresponding levels of either an enzymic hydrolysate of casein (Expt 1) or a corresponding mixture of free amino acids (FAA; Expt 2). In Expt 1, although the yield of protein in milk increased progressively with each level of infusion, the yields of protein were greater for the caseinate than for the hydrolysate. Again, in Expt 2, for milk protein yield, sodium caseinate was superior to FAA at the lower level of infusion. In both experiments, the hydrolysate and FAA treatments were associated with higher concentrations of fat in the milk. There were indications of differences in the pattern of secretion of glucagon between the caseinate and FAA treatments. It is concluded that the differences between treatments relate either to the kinetics of absorption of amino acid residues or to the action of bioactive peptides released during digestion of casein.

Peptides from milk protein hydrolysates to improve the growth of human keratinocytes in culture

2004 ◽  
Vol 14 (7) ◽  
pp. 619-626 ◽  
Author(s):  
Jean Amiot ◽  
Lucie Germain ◽  
Sylvie Turgeon ◽  
Martine Lemay ◽  
Christine Ory-Salam ◽  
...  
Keyword(s):  
Milk Protein ◽  
Human Keratinocytes ◽  
Protein Hydrolysates

scholarly journals Removal of Odors from Milk Protein Hydrolysates using Continuous Distillation Column System.

2004 ◽  
Vol 51 (1) ◽  
pp. 7-12
Author(s):  
Yuzoh Asano ◽  
Yuriko Iiyama ◽  
Tetsuo Kubota ◽  
Hiroshi Ochi ◽  
Teruhiko Mizota ◽  
...  
Keyword(s):  
Milk Protein ◽  
Distillation Column ◽  
Protein Hydrolysates ◽  
Column System ◽  
Continuous Distillation

Quality attributes of chevon patties incorporated with camel milk protein hydrolysates

2017 ◽  
Vol 47 (2) ◽  
pp. 154-164 ◽  
Author(s):  
Devendra Kumar ◽  
Manish Kumar Chatli ◽  
Raghvendar Singh ◽  
Nitin Mehta ◽  
Pavan Kumar
Keyword(s):  
Milk Protein ◽  
Proteolytic Enzymes ◽  
Quality Attributes ◽  
Sensory Attributes ◽  
Protein Hydrolysates ◽  
Camel Milk ◽  
Content Type ◽  
Goat Meat ◽  
Overall Acceptability ◽  
Physico Chemical

Purpose The purpose of the present study was to investigate the effect of camel milk protein hydrolysates (CMPHs) on physico-chemical, sensory, colour profile and textural quality attributes of chevon patties. Design/methodology/approach Camel milk proteins were hydrolyzed with three different proteolytic enzymes, viz., alcalase (CMPH-A), α-chymotrypsin (CMPH-C) and papain (CMPH-P), and dried to powder form before further utilization. Four treatments were prepared with incorporation of CMPH, viz., CMPH 0 per cent (C), CMPH-A 0.09 per cent (T1), CMPH-C 0.06 per cent (T2) and CMPH-P 0.09 per cent (T3), in the product formulation. The developed goat meat patties were evaluated for physico-chemical (pH; emulsion stability, ES; cooking yield, CY; water activity, aw), instrumental colour and texture profile and sensory attributes. Findings The pH, moisture, fat and ES values of goat meat emulsions were comparable amongst treatments as well as with the control; however, treated emulsions had higher ES and moisture content. The pH and moisture per cent of cooked chevon patties varied significantly, whereas other physico-chemical (CY, aw, per cent protein, per cent fat, per cent ash and per cent dietary fibre) as well as dimensional parameters (per cent gain in height and decrease in diameter) were comparable amongst treatments and the control. Hardness, springiness, stringiness, cohesiveness, gumminess and resilience of chevon patties decreased significantly (p < 0.05) with the incorporation of CMPH than that of the control; however, the values were comparable among all the treated products. Protein hydrolysate in chevon patties resulted in significant increase in redness (a*) values, whereas all other parameters (L*, b* and hue) decreased significantly as compared to that of the control. The colour and appearance, texture, juiciness overall acceptability scores were comparable in all the treated products and were significantly (p < 0.05) higher than the control. The flavour scores of C, T1 and T3 were comparable but significantly lower than that of T2. The overall acceptability scores of T1 and T2 were also comparable and significantly higher than C and T3; however, the highest score was recorded for T2. Practical implications Results concluded that chevon patties with acceptable sensory attributes and improved CY and textural attributes can be successfully developed with the incorporation of CMPH. Originality/value The protein hydrolysates of different food proteins could be explored in a same pattern to find out their implication in food matrices.

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