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Otaka A, Yamamoto T, Yamaoka T. High pressure pasteurization: Simultaneous native tissue decellularization and sterilization. Regen Ther 2024; 26:2-8. [PMID: 38361603 PMCID: PMC10864870 DOI: 10.1016/j.reth.2024.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/21/2023] [Accepted: 01/25/2024] [Indexed: 02/17/2024] Open
Abstract
Introduction Terminal sterilization is important for the clinical applicability of decellularized xenografts. High hydrostatic pressurization (HHP) process is a potential strategy for decellularization and decontamination of xenografts; however, its disinfection efficiency remains poorly elucidated. This study investigated the disinfection efficacy of the HHP process at physiologically relevant 36 °C against difficult-to-kill spore-forming bacteria. Methods Bacillus atrophaeus and Geobacillus stearothermophilus were suspended in a pressurization medium with or without antibiotic agents and pressurized under two different HHP procedures: repeated and sustained pressurization. Results The sustained pressurizing conditions, exploited for the conventional tissue decellularization, did not effectively eliminate the bacteria; however, repeated pressurization greatly increased the disinfection effect. Moreover, the antibiotic-containing pressurization medium further increased the disinfection efficiency to the level required for sterilization. Conclusions The optimized high hydrostatic pressurization can be used to sterilize biological tissues during the decellularization process and is a promising strategy for manufacturing tissue-derived healthcare products.
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Affiliation(s)
- Akihisa Otaka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka, 564-8565, Japan
| | - Takashi Yamamoto
- Research & Development, JMS Co. Ltd, 12-17 Kako-machi, Naka-ku, Hiroshima, Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka, 564-8565, Japan
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2
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Tran LC, Marousez L, Micours E, De Lamballerie M, Thys L, Gottrand F, Ley D, Lesage J, Titécat M. High hydrostatic pressure is similar to Holder pasteurization in preserving donor milk antimicrobial activity. Pediatr Res 2024; 95:1749-1753. [PMID: 38280953 DOI: 10.1038/s41390-024-03022-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 12/22/2023] [Accepted: 12/29/2023] [Indexed: 01/29/2024]
Abstract
BACKGROUND The microbiological safety of donor milk (DM) is commonly ensured by Holder pasteurization (HoP, 62.5 °C for 30 min) in human milk banks despite its detrimental effects on bioactive factors. We compared the antimicrobial properties of DM after Holder pasteurization treatment or High Hydrostatic Pressure processing (HHP, 350 MPa at 38 °C), a non-thermal substitute for DM sterilization. METHODS We assessed lactoferrin and lysozyme concentrations in raw, HHP- and HoP-treated pools of DM (n = 8). The impact of both treatments was evaluated on the growth of Escherichia coli and Group B Streptococcus in comparison with control media (n = 4). We also addressed the effect of storage of HHP treated DM over a 6-month period (n = 15). RESULTS HHP milk demonstrated similar concentrations of lactoferrin compared with raw milk, while it was significantly decreased by HoP. Lysozyme concentrations remained stable regardless of the condition. Although a bacteriostatic effect was observed against Escherichia coli at early timepoints, a sharp bactericidal effect was observed against Group B Streptococcus. Unlike HoP, these results were significant for HHP compared to controls. Stored DM was well and safely preserved by HHP. CONCLUSION Our study demonstrates that this alternative sterilization method shows promise for use with DM in human milk banks. IMPACT Antimicrobial activity of donor milk after High Hydrostatic Pressure treatment has not been clearly evaluated. Donor milk lactoferrin is better preserved by High Hydrostatic Pressure than conventional Holder pasteurization, while lysozyme concentration is not affected by either treatment. As with Holder pasteurization, High Hydrostatic Pressure preserves donor milk bacteriostatic activity against E. coli in addition to bactericidal activity against Group B Streptococcus. Donor milk treated by High Hydrostatic Pressure can be stored safely for 6 months.
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Affiliation(s)
- Léa Chantal Tran
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France.
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, CHU Lille, F-59000, Lille, France.
| | - Lucie Marousez
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
| | - Edwina Micours
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
| | | | - Lou Thys
- Laboratory of Bacteriology, Institute of Microbiology, CHU Lille, Lille, France
| | - Frédéric Gottrand
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, CHU Lille, F-59000, Lille, France
| | - Delphine Ley
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
- Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, CHU Lille, F-59000, Lille, France
| | - Jean Lesage
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
| | - Marie Titécat
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000, Lille, France
- Laboratory of Bacteriology, Institute of Microbiology, CHU Lille, Lille, France
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3
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Fei P, Sun Z, Liu X, Jiang P, Feng H, Chen X, Ma Y, Dong G, Fan C, Bai M, Li Y, Chang Y. Antibacterial Activity and Mechanism of Polygonatum sibiricum Extract Against Bacillus cereus and Its Application in Pasteurized Milk. Foodborne Pathog Dis 2024; 21:160-167. [PMID: 38079263 DOI: 10.1089/fpd.2023.0110] [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] [Indexed: 03/09/2024] Open
Abstract
The purpose of this study was to reveal the antibacterial activity and mechanism of Polygonatum sibiricum extract (PSE) against Bacillus cereus and further analyze the application of PSE in pasteurized milk (PM). The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values and growth curve analysis were used to evaluate the antibacterial activity of PSE against B. cereus. The changes in contents of intracellular adenosine 5'-triphosphate (ATP) and reactive oxygen species (ROS), activities of β-galactosidase, adenosine triphosphatase (ATPase) and alkaline phosphatase (AKP), cell membrane potential, protein and nucleic acid leakage, and cell morphology were used to reveal the antibacterial mechanism. The effects of PSE on viable count and sensory evaluation of PM during storage were analyzed. The results showed that the MIC and MBC values of PSE against B. cereus were 2 and 4 mg/mL, respectively. Growth curve analysis showed that PSE with a concentration of 2 MIC could completely inhibit the growth of B. cereus. After treatments with PSE, the levels of intracellular ATP and ROS, and activities of β-galactosidase, ATPase and AKP of B. cereus were significantly reduced (p < 0.05). Cell membrane was depolarized, amounts of protein and nucleic acid leakage were significantly increased (p < 0.05), and cell morphology was destroyed. Furthermore, PSE significantly reduced the viable count of B. cereus in PM and improved the sensory quality of PM during storage (p < 0.05). Together, our findings suggested that PSE had the desired effect as a natural preservative applied in PM.
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Affiliation(s)
- Peng Fei
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
- Zhongyuan Food Laboratory, Luohe, China
| | - Zongyu Sun
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Xinyu Liu
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Peiyi Jiang
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Hongxia Feng
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
| | - Xi Chen
- Institute of Integrated Agricultural Development Research, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Yan Ma
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Gege Dong
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Chengwei Fan
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Mengyang Bai
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Yadi Li
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang, China
| | - Yunhe Chang
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang, China
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Jandová M, Fišerová M, Paterová P, Cacková L, Měřička P, Malý J, Kacerovský M, Kovaříková E, Strohalm J, Demnerová K, Kadavá J, Sýkorová H, Hyšpler R, Čížková D, Bezrouk A, Houška M. High-Pressure Inactivation of Bacillus cereus in Human Breast Milk. Foods 2023; 12:4245. [PMID: 38231674 DOI: 10.3390/foods12234245] [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: 10/30/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 01/19/2024] Open
Abstract
Although Holder pasteurization is the recommended method for processing breast milk, it does affect some of its nutritional and biological properties and is ineffective at inactivating spores. The aim of this study was to find and validate an alternative methodology for processing breast milk to increase its availability for newborn babies and reduce the financial loss associated with discarding milk that has become microbiologically positive. We prepared two series of breast milk samples inoculated with the Bacillus cereus (B. cereus) strain to verify the effectiveness of two high-pressure treatments: (1) 350 MPa/5 min/38 °C in four cycles and (2) cumulative pressure of 350 MPa/20 min/38 °C. We found that the use of pressure in cycles was statistically more effective than cumulative pressure. It reduced the number of spores by three to four orders of magnitude. We verified that the method was reproducible. The routine use of this method could lead to an increased availability of milk for newborn babies, and at the same time, reduce the amount of wasted milk. In addition, high-pressure treatment preserves the nutritional quality of milk.
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Affiliation(s)
- Miroslava Jandová
- Tissue Bank, University Hospital Hradec Králové, 500 05 Hradec Králové, Czech Republic
- Department of Histology and Embryology, Faculty of Medicine in Hradec Králové, Charles University, 500 03 Hradec Králové, Czech Republic
| | - Michaela Fišerová
- Tissue Bank, University Hospital Hradec Králové, 500 05 Hradec Králové, Czech Republic
| | - Pavla Paterová
- Department of Clinical Microbiology, University Hospital and Faculty of Medicine in Hradec Králové, Charles University, 500 05 Hradec Králové, Czech Republic
| | - Lucie Cacková
- Department of Clinical Microbiology, University Hospital and Faculty of Medicine in Hradec Králové, Charles University, 500 05 Hradec Králové, Czech Republic
| | - Pavel Měřička
- Tissue Bank, University Hospital Hradec Králové, 500 05 Hradec Králové, Czech Republic
| | - Jan Malý
- Department of Pediatrics, University Hospital Hradec Králové, 500 05 Hradec Králové, Czech Republic
| | - Marian Kacerovský
- Biomedical Research Center, University Hospital Hradec Králové, 500 05 Hradec Králové, Czech Republic
| | | | - Jan Strohalm
- Food Research Institute Prague, 102 00 Prague, Czech Republic
| | - Kateřina Demnerová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic
| | - Jana Kadavá
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic
| | - Hana Sýkorová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic
| | - Radomír Hyšpler
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, 500 05 Hradec Králové, Czech Republic
| | - Dana Čížková
- Department of Histology and Embryology, Faculty of Medicine in Hradec Králové, Charles University, 500 03 Hradec Králové, Czech Republic
| | - Aleš Bezrouk
- Department of Medical Biophysics, Faculty of Medicine in Hradec Králové, Charles University, 500 03 Hradec Králové, Czech Republic
| | - Milan Houška
- Food Research Institute Prague, 102 00 Prague, Czech Republic
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5
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Marousez L, Ichou F, Lesnik P, Tran LC, De Lamballerie M, Gottrand F, Ley D, Lesage J. Short-chain fatty acids levels in human milk are not affected by holder pasteurization and high hydrostatic pressure processing. Front Pediatr 2023; 11:1120008. [PMID: 37842027 PMCID: PMC10570738 DOI: 10.3389/fped.2023.1120008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 09/19/2023] [Indexed: 10/17/2023] Open
Abstract
Sterilized donor milk (DM) is frequently used for feeding preterm infants. To date, the effect of different modes of DM sterilization on short-chain fatty acids (SCFAs) remains unknown. We aimed to quantify SCFAs in DM samples after two types of milk sterilization: the Holder pasteurization (HoP) and a high hydrostatic pressure (HP) processing. Eight pooled DM samples were sterilized by HoP (62.5°C for 30 min) or processed by HP (350 MPa at 38°C). Raw DM was used as control. Six SCFAs were quantified by gas chromatography/mass spectrometry. Compared to raw milk, both HoP and HP treatment did not significantly modulate the concentration of acetate, butyrate, propionate and isovalerate in DM. Valerate and isobutyrate were undetectable in DM samples. In conclusion, both HoP and HP processing preserved milk SCFAs at their initial levels in raw human milk.
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Affiliation(s)
- Lucie Marousez
- Inserm, CHU Lille, U1286—INFINITE—Institute for Translational Research in Inflammation, University of Lille, Lille, France
| | - Farid Ichou
- ICAN Omics, Foundation for Innovation in Cardiometabolism and Nutrition (ICAN), Hôpital Pitié-Salpêtrière, Paris, France
- INSERM, UMR-S1166, Sorbonne Université, Paris, France
| | - Philippe Lesnik
- ICAN Omics, Foundation for Innovation in Cardiometabolism and Nutrition (ICAN), Hôpital Pitié-Salpêtrière, Paris, France
- INSERM, UMR-S1166, Sorbonne Université, Paris, France
| | - Léa Chantal Tran
- Inserm, CHU Lille, U1286—INFINITE—Institute for Translational Research in Inflammation, University of Lille, Lille, France
| | | | - Frédéric Gottrand
- Inserm, CHU Lille, U1286—INFINITE—Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children’s Hospital, CHU Lille, Lille, France
| | - Delphine Ley
- Inserm, CHU Lille, U1286—INFINITE—Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children’s Hospital, CHU Lille, Lille, France
| | - Jean Lesage
- Inserm, CHU Lille, U1286—INFINITE—Institute for Translational Research in Inflammation, University of Lille, Lille, France
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6
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Bouquet P, Alexandre V, De Lamballerie M, Ley D, Lesage J, Goffard A, Cocquerel L. Effect of High Hydrostatic Pressure Processing and Holder Pasteurization of Human Milk on Inactivation of Human Coronavirus 229E and Hepatitis E Virus. Viruses 2023; 15:1571. [PMID: 37515257 PMCID: PMC10384040 DOI: 10.3390/v15071571] [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: 06/15/2023] [Revised: 07/05/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
In preterm infants, sterilized donor milk (DM) is frequently used for feeding when breast milk is lacking. Most human milk banks use the Holder pasteurization method (HoP) to ensure the microbiological safety of DM. However, this method degrades many bioactive factors and hormones. Recently, high hydrostatic pressure (HHP) processing, which preserves bioactive factors in human milk, has been proposed as an alternative method to ensure the safety of DM. Although HHP treatment has been shown to be effective for viral inactivation, the effect of HHP on viruses that may be present in the complex nutritional matrix of human milk has not yet been defined. In the present study, we compared the efficacy of two HHP protocols (4 cycles at 350 MPa at 38 °C designated as 4xHP350 treatment, and 1 cycle at 600 MPa at 20 °C designated as 1xHP600 treatment) with the HoP method on artificially virus-infected DM. For this purpose, we used human coronavirus 229E (HCoV-229E) and hepatitis E virus (HEV) as surrogate models for enveloped and non-enveloped viruses. Our results showed that HCoV-229E is inactivated by HHP and HoP treatment. In particular, the 4xHP350 protocol is highly effective in inactivating HCoV-229E. However, our results demonstrated a matrix effect of human milk on HCoV-229E inactivation. Furthermore, we demonstrated that HEV is stable to moderate pressure HHP treatment, but the milk matrix does not protect it from inactivation by the high-pressure HHP treatment of 600 MPa. Importantly, the complex nutritional matrix of human milk protects HEV from inactivation by HoP treatment. In conclusion, we demonstrated that HHP and HoP treatments do not lead to complete inactivation of both surrogate virus models, indicating that these treatments cannot guarantee total viral safety of donor milk.
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Affiliation(s)
- Peggy Bouquet
- Unit of Clinical Microbiology, Institut Pasteur de Lille, F-59000 Lille, France
| | - Virginie Alexandre
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France
| | | | - Delphine Ley
- CHU Lille, Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, F-59000 Lille, France
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Jean Lesage
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Anne Goffard
- Unit of Clinical Microbiology, Institut Pasteur de Lille, F-59000 Lille, France
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France
| | - Laurence Cocquerel
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 9017-CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France
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7
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Tran LC, Marousez L, De Lamballerie M, McCulloch S, Hermann E, Gottrand F, Ley D, Lesage J. The metabolome of human milk is altered differentially by Holder pasteurization and high hydrostatic pressure processing. Front Nutr 2023; 10:1107054. [PMID: 36891163 PMCID: PMC9987212 DOI: 10.3389/fnut.2023.1107054] [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: 11/24/2022] [Accepted: 01/18/2023] [Indexed: 02/22/2023] Open
Abstract
The milk metabolome is composed of hundreds of molecules that can impact infant development. In preterm infants, sterilized donor milk (DM) is frequently used for their feeding. We aimed to identify differences in the metabolome of DM after two types of milk sterilization: the Holder pasteurization (HoP) and a high hydrostatic pressure (HP) processing. DM samples were sterilized by HoP (62.5°C for 30 min) or processed by HP (350 MPa at 38°C). 595 milk metabolites were analyzed using an untargeted metabolomic analysis. Both treatments differentially altered several classes of compounds. The major changes noted included decreased levels of free fatty acids, phospholipid metabolites, and sphingomyelins. Decreases were more strongly noted in HP samples rather than in HoP ones. Both HoP and HP treatments increased the levels of ceramides and nucleotide compounds. The sterilization of human milk altered its metabolome especially for lipids.
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Affiliation(s)
- Léa Chantal Tran
- Inserm, CHU Lille, U1286 – INFINITE – Institute for Translational Research in Inflammation, University of Lille, Lille, France
| | - Lucie Marousez
- Inserm, CHU Lille, U1286 – INFINITE – Institute for Translational Research in Inflammation, University of Lille, Lille, France
| | | | | | - Emmanuel Hermann
- Inserm, CHU Lille, U1286 – INFINITE – Institute for Translational Research in Inflammation, University of Lille, Lille, France
| | - Frédéric Gottrand
- Inserm, CHU Lille, U1286 – INFINITE – Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children’s Hospital, CHU Lille, Lille, France
| | - Delphine Ley
- Inserm, CHU Lille, U1286 – INFINITE – Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Division of Gastroenterology Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children’s Hospital, CHU Lille, Lille, France
| | - Jean Lesage
- Inserm, CHU Lille, U1286 – INFINITE – Institute for Translational Research in Inflammation, University of Lille, Lille, France
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Gharbi N, Marciniak A, Perreault V, Stone D, Fittipaldi N, Unger S, O'Connor DL, Pouliot Y, Doyen A. The effect of pasteurization treatment and skimming conditions on human milk proteins. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Liu Y, Hettinga K, Liu D, Zhang L, Zhou P. Current progress of emerging technologies in human and animals' milk processing: Retention of immune-active components and microbial safety. Compr Rev Food Sci Food Saf 2022; 21:4327-4353. [PMID: 36036722 DOI: 10.1111/1541-4337.13019] [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: 03/29/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 01/28/2023]
Abstract
Human milk and commercial dairy products play a vital role in humans, as they can provide almost all essential nutrients and immune-active components for the development of children. However, how to retain more native immune-active components of milk during processing remains a big question for the dairy industry. Nonthermal technologies for milk processing are gaining increasing interest in both academic and industrial fields, as it is known that thermal processing may negatively affect the quality of milk products. Thermosensitive components, such as lactoferrin, immunoglobulins (Igs), growth factors, and hormones, are highly important for the healthy development of newborns. In addition to product quality, thermal processing also causes environmental problems, such as high energy consumption and greenhouse gas (GHG) emissions. This review summarizes the recent advances of UV-C, ultrasonication (US), high-pressure processing (HPP), and other emerging technologies for milk processing from the perspective of immune-active components retention and microbial safety, focusing on human, bovine, goat, camel, sheep, and donkey milk. Also, the detailed application, including the instrumental design, technical parameters, and obtained results, are discussed. Finally, future prospects and current limitations of nonthermal techniques as applied in milk processing are discussed. This review thereby describes the current state-of-the-art in nonthermal milk processing techniques and will inspire the development of such techniques for in-practice applications in milk processing.
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Affiliation(s)
- Yaowei Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China
| | - Kasper Hettinga
- Dairy Science and Technology, Food Quality and Design Group, Wageningen, University and Research, Wageningen, The Netherlands
| | - Dasong Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China
| | - Lina Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China
| | - Peng Zhou
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China
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10
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Strom K, Jarzynka S, Minkiewicz-Zochniak A, Barbarska O, Olędzka G, Wesolowska A. Microbiological Quality of Milk Donated to the Regional Human Milk Bank in Warsaw in the First Four Years of Activity. Healthcare (Basel) 2022; 10:healthcare10030444. [PMID: 35326922 PMCID: PMC8949421 DOI: 10.3390/healthcare10030444] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/21/2022] [Accepted: 02/24/2022] [Indexed: 11/16/2022] Open
Abstract
As the survival rate for preterm infants increases, more emphasis is placed on improving health-related quality of life through optimal nutritional management. Human Milk Banks (HMBs) provide bioactive nutrients and probiotic microorganisms to premature newborns, especially in the first year of life. Donated milk screening and selection of potential donors ensures the quality and microbiological safety of the donated milk. Therefore we reviewed the basic characteristics of donors and the amounts and contamination of breast milk donated to the Regional Human Milk Bank (RHMB) in Warsaw. In four years, the RHMB collected 1445.59 L of milk, of which 96.60% was distributed among hospitalised infants. Additionally, breastmilk from donor candidates (139 samples from 96 women) was tested at least once in the first year of lactation. First analyses showed that 18 women’s milk samples were microbiologically pure, and 78 samples had one or more species of commensal and/or potentially pathogenic bacteria. In human milk samples from 31 women, the bacteria level was above the standard required by the RHMB; therefore, donors were re-educated, and further samples were tested. Most women followed the recommendations on hygienic expression and storage of milk before transfer to the RHMB. Our analysis will help to increase the accessibility and quality of raw donor milk and to meet the needs of more newborns.
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Affiliation(s)
- Kamila Strom
- Department of Medical Biology, Faculty of Health Sciences, Medical University of Warsaw, 14/16 Litewska St., 00-575 Warsaw, Poland; (K.S.); (S.J.); (A.M.-Z.); (O.B.); (G.O.)
| | - Sylwia Jarzynka
- Department of Medical Biology, Faculty of Health Sciences, Medical University of Warsaw, 14/16 Litewska St., 00-575 Warsaw, Poland; (K.S.); (S.J.); (A.M.-Z.); (O.B.); (G.O.)
| | - Anna Minkiewicz-Zochniak
- Department of Medical Biology, Faculty of Health Sciences, Medical University of Warsaw, 14/16 Litewska St., 00-575 Warsaw, Poland; (K.S.); (S.J.); (A.M.-Z.); (O.B.); (G.O.)
| | - Olga Barbarska
- Department of Medical Biology, Faculty of Health Sciences, Medical University of Warsaw, 14/16 Litewska St., 00-575 Warsaw, Poland; (K.S.); (S.J.); (A.M.-Z.); (O.B.); (G.O.)
| | - Gabriela Olędzka
- Department of Medical Biology, Faculty of Health Sciences, Medical University of Warsaw, 14/16 Litewska St., 00-575 Warsaw, Poland; (K.S.); (S.J.); (A.M.-Z.); (O.B.); (G.O.)
| | - Aleksandra Wesolowska
- Laboratory of Human Milk and Lactation Research at Regional Human Milk Bank in Holy Family Hospital, Department of Medical Biology, Faculty of Health Sciences, Medical University of Warsaw, 14/16 Litewska St., 00-575 Warsaw, Poland
- Correspondence:
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Wemelle E, Marousez L, de Lamballerie M, Knauf C, Lesage J. High Hydrostatic Pressure Processing of Human Milk Increases Apelin and GLP-1 Contents to Modulate Gut Contraction and Glucose Metabolism in Mice Compared to Holder Pasteurization. Nutrients 2022; 14:nu14010219. [PMID: 35011094 PMCID: PMC8747192 DOI: 10.3390/nu14010219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/29/2021] [Accepted: 01/02/2022] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND High hydrostatic pressure (HHP) processing is a non-thermal method proposed as an alternative to Holder pasteurization (HoP) for the sterilization of human breast milk (BM). HHP preserves numerous milk bioactive factors that are degraded by HoP, but no data are available for milk apelin and glucagon-like peptide 1 (GLP-1), two hormones implicated in the control of glucose metabolism directly and via the gut-brain axis. This study aims to determine the effects of HoP and HHP processing on apelin and GLP-1 concentrations in BM and to test the effect of oral treatments with HoP- and HHP-BM on intestinal contractions and glucose metabolism in adult mice. METHODS Mice were treated by daily oral gavages with HoP- or HHP-BM during one week before intestinal contractions, and glucose tolerance was assessed. mRNA expression of enteric neuronal enzymes known to control intestinal contraction was measured. RESULTS HoP-BM displayed a reduced concentration of apelin and GLP-1, whereas HHP processing preserved these hormones close to their initial levels in raw milk. Chronic HHP-BM administration to mice increased ileal mRNA nNos expression level leading to a decrease in gut contraction associated with improved glucose tolerance. CONCLUSION In comparison to HoP, HPP processing of BM preserves both apelin and GLP-1 and improves glucose tolerance by acting on gut contractions. This study reinforces previous findings demonstrating that HHP processing provides BM with a higher biological value than BM treated by HoP.
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Affiliation(s)
- Eve Wemelle
- INSERM U1220, Institut de Recherche en Santé Digestive (IRSD), Université Paul Sabatier, Toulouse III, CHU Purpan, Place du Docteur Baylac, CS 60039, CEDEX 3, 31024 Toulouse, France;
- European Associated Laboratory (EAL) «NeuroMicrobiota», International Research Projects (IRP) INSERM, 1000 Brussels, Belgium
- European Associated Laboratory (EAL) «NeuroMicrobiota», International Research Projects (IRP) INSERM, 31024 Toulouse, France
| | - Lucie Marousez
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France;
| | | | - Claude Knauf
- INSERM U1220, Institut de Recherche en Santé Digestive (IRSD), Université Paul Sabatier, Toulouse III, CHU Purpan, Place du Docteur Baylac, CS 60039, CEDEX 3, 31024 Toulouse, France;
- European Associated Laboratory (EAL) «NeuroMicrobiota», International Research Projects (IRP) INSERM, 1000 Brussels, Belgium
- European Associated Laboratory (EAL) «NeuroMicrobiota», International Research Projects (IRP) INSERM, 31024 Toulouse, France
- Correspondence: (C.K.); (J.L.)
| | - Jean Lesage
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France;
- Correspondence: (C.K.); (J.L.)
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12
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Kontopodi E, Boeren S, Stahl B, van Goudoever JB, van Elburg RM, Hettinga K. High-Temperature Short-Time Preserves Human Milk's Bioactive Proteins and Their Function Better Than Pasteurization Techniques With Long Processing Times. Front Pediatr 2021; 9:798609. [PMID: 35127595 PMCID: PMC8811466 DOI: 10.3389/fped.2021.798609] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/29/2021] [Indexed: 12/14/2022] Open
Abstract
Donor human milk is generally processed by holder pasteurization (HoP) at 62. 5°C for 30 min. This temperature-time combination is sufficient for eliminating pathogens in donor milk, but also negatively affects several bioactive milk components. Long heating up times may further affect the bioactive properties of pasteurized milk. High-Temperature-Short-Time (HTST), a treatment with shorter processing times (72°C for 15 sec), was investigated as a suitable alternative to HoP. In addition, pasteurization methods that follow the same temperature regime but with varying heating up times were compared. Human milk samples from four different donors were combined into one pool, which was then used to perform all analyses. The effects of these methods on the levels and functionality of immunoglobulin A, lactoferrin, lysozyme and bile salt-stimulated lipase, were evaluated with LC-MS/MS-based proteomics and activity assays, while the pasteurization efficacy was evaluated with an alkaline phosphatase test. HoP, a treatment with long processing times, times, caused the highest reduction in all proteins studied (reduced by 50-98%). Compounds such as lactoferrin and bile salt-stimulated lipase that are more sensitive to heat treatments were better retained with HTST, but their levels and functionality were still significantly lower than those of untreated donor milk (52 and 81% reduction of lactoferrin and bile salt-stimulated lipase activity, respectively). Our findings showed that a treatment with considerably shorter processing times, such as HTST, may reduce the thermal damage caused to the bioactive proteins compared to HoP, without affecting pasteurization efficacy. Since the vast majority of the donor human milk banks that are currently operating on a global level apply HoP to donor milk, our findings may provide relevant information for the optimization of donor milk processing.
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Affiliation(s)
- Eva Kontopodi
- Emma Children's Hospital, Amsterdam UMC, Amsterdam, Netherlands.,Food Quality and Design Group, Wageningen University and Research, Wageningen, Netherlands
| | - Sjef Boeren
- Laboratory of Biochemistry, Wageningen University, Wageningen, Netherlands
| | - Bernd Stahl
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.,Danone Nutricia Research, Utrecht, Netherlands
| | | | | | - Kasper Hettinga
- Food Quality and Design Group, Wageningen University and Research, Wageningen, Netherlands
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