7b09ba4112b0a5986af71b4d9fe56a4d pmc_9955544.pdf ae3ec5cd5c79fc14d2230d72753d02e9c4ec155f pmc_9955544.pdf 45bccd0342b909b6845c9397c8b3cdf3f65f2f9403f0da8fec2aac53237903d3 pmc_9955544.pdf Title: Effect of Ultra-High Pressure Homogenization (UHPH) and Conventional Thermal Pasteurization on the Volatile Composition of Tiger Nut Beverage Subject: Tiger nut beverages are non-alcoholic products that are characterized by their pale color and soft flavor. Conventional heat treatments are widely used in the food industry, although heated products are often damaging to their overall quality. Ultra-high pressure homogenization UHPH) is an emerging technology that extends the shelf-life of foods while maintaining most of their fresh characteristics. The present work deals with the comparison of the effect of conventional thermal homogenization-pasteurization (H-P, 18 + 4 MPa at 65 C, 80 C for 15 s.) and UHPH (at 200 and 300 MPa, and inlet temperature of 40 C), on the volatile composition of tiger nut beverage. Headspace-solid phase microextraction (HS-SPME) was used for detecting volatile compounds of beverages, which were then identified by gas chromatography-mass spectrometry (GC-MS). A total of 37 different volatile substances were identified in tiger nut beverages, which were primarily grouped into the aromatic hydrocarbons, alcohols, aldehydes and terpenes chemical families. Stabilizing treatments increased the total amount of volatile compounds (H-P > UHPH > R-P). H-P was the treatment that produced the most changes in the volatile composition of RP, while treatment at 200 MPa had a minor impact. At the end of their storage, these products were also characterized by the same chemical families. This study evidenced the UHPH technology as an alternative processing of tiger nut beverages production that minimally modifies their volatile composition. Keywords: tiger nut beverage; ultra-high pressure homogenization (UHPH); pasteurization; volatile profile; headspace-solid phase microextraction; gas chromatography-mass spectrometry Author: Idoia Codina-Torrella, Joan Josep Gallardo-Chacón, Bibiana Juan, Buenaventura Guamis and Antonio José Trujillo Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Sat Feb 4 09:41:41 2023 CET ModDate: Sat Feb 4 09:44:47 2023 CET Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 12 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 1109317 bytes Optimized: no PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- KORLVE+VnURWPalladioL Type 1 Custom yes yes no 10 0 MREGCB+URWPalladioL-Bold Type 1 Custom yes yes no 15 0 NSTZJO+URWPalladioL-Roma Type 1 Custom yes yes no 20 0 KQTTLF+URWPalladioL-Ital Type 1 Custom yes yes no 24 0 UWJUYN+CMSY10 Type 1 Builtin yes yes no 28 0 HJOMHV+VnURWPalladioL-Bold Type 1 Custom yes yes no 32 0 XBNVAE+TimesNewRomanPS-BoldItalicMT Type 1C WinAnsi yes yes no 50 0 LEVXPH+EURM10 Type 1 Builtin yes yes no 72 0 SFUQJK+EURM7 Type 1 Builtin yes yes no 85 0 CIDFont+F3 CID TrueType Identity-H yes no yes 103 0 CIDFont+F1 CID TrueType Identity-H yes no yes 111 0 CIDFont+F2 CID TrueType Identity-H yes no yes 119 0 CIDFont+F3 CID TrueType Identity-H yes no yes 133 0 CIDFont+F1 CID TrueType Identity-H yes no yes 141 0 CIDFont+F2 CID TrueType Identity-H yes no yes 149 0 GEJNTL+VnURWPalladioL-Italic Type 1 Custom yes yes no 162 0 Jhove (Rel. 1.22.1, 2019-04-17) Date: 2023-03-17 02:39:19 CET RepresentationInformation: pmc_9955544.pdf ReportingModule: PDF-hul, Rel. 1.12.1 (2019-04-17) LastModified: 2023-03-16 02:18:14 CET Size: 1109317 Format: PDF Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 309 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@44c8afef Item: Title: Materials and Methods Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@7b69c6ba Children: Item: Title: Tiger Nut Beverages Production and Processing Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@46daef40 Children: Item: Title: Tiger Nut Beverages Production Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@12f41634 Item: Title: Beverage Treatments: UHPH, Homogenization-Pasteurization Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@13c27452 Item: Title: Procedure of HP-SPME and GC-MS Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@262b2c86 Children: Item: Title: HP-SPME Extractions Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@371a67ec Item: Title: GC-MS Analysis Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@5ed828d Item: Title: Statistical Analysis Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@50d0686 Item: Title: Results and Discussion Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@7a3d45bd Children: Item: Title: Effect of Treatments on the Volatile Composition of Beverages Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@1e7c7811 Children: Item: Title: Main Groups of Volatile Patterns: Aromatic Hydrocarbons, Alcohols and Aldehydes Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@77ec78b9 Item: Title: Secondary Compounds of Beverages: Ketones, Acids, Esters, Phenolic Compounds, and Furans Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@1a3869f4 Item: Title: Principal Component Analysis (PCA) Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@a38d7a3 Item: Title: Changes in the Volatile Profile of Beverages during Their Storage Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@77f99a05 Item: Title: Conclusions Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@63440df3 Item: Title: References Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@3aeaafa6 Info: Title: Effect of Ultra-High Pressure Homogenization (UHPH) and Conventional Thermal Pasteurization on the Volatile Composition of Tiger Nut Beverage Author: Idoia Codina-Torrella, Joan Josep Gallardo-Chacón, Bibiana Juan, Buenaventura Guamis and Antonio José Trujillo Subject: Tiger nut beverages are non-alcoholic products that are characterized by their pale color and soft flavor. Conventional heat treatments are widely used in the food industry, although heated products are often damaging to their overall quality. Ultra-high pressure homogenization UHPH) is an emerging technology that extends the shelf-life of foods while maintaining most of their fresh characteristics. The present work deals with the comparison of the effect of conventional thermal homogenization-pasteurization (H-P, 18 + 4 MPa at 65 C, 80 C for 15 s.) and UHPH (at 200 and 300 MPa, and inlet temperature of 40 C), on the volatile composition of tiger nut beverage. Headspace-solid phase microextraction (HS-SPME) was used for detecting volatile compounds of beverages, which were then identified by gas chromatography-mass spectrometry (GC-MS). A total of 37 different volatile substances were identified in tiger nut beverages, which were primarily grouped into the aromatic hydrocarbons, alcohols, aldehydes and terpenes chemical families. Stabilizing treatments increased the total amount of volatile compounds (H-P > UHPH > R-P). H-P was the treatment that produced the most changes in the volatile composition of RP, while treatment at 200 MPa had a minor impact. At the end of their storage, these products were also characterized by the same chemical families. This study evidenced the UHPH technology as an alternative processing of tiger nut beverages production that minimally modifies their volatile composition. 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