b9b2c9fea1434fe36590c0a1f11c25b8 spectroscj-01-00013.pdf dd80abfbf13e3164a5bc3d33bb7763a70774d77e spectroscj-01-00013.pdf 9edcb0c7568460adcb5aba49efb91be99f077e45cd3e874e196ea699bf204a94 spectroscj-01-00013.pdf Title: Performance Evaluation of Fiber Near-Infrared (NIR) Optic Probes for Quality Control of Curd Hardness in Cheese Produced by Spray-Dried Milk Subject: This study aims to provide the dairy industry with a direct control model focused on milk coagulation by using multifiber probes to determine parameters in the curding process, such as cutting time, at a lower cost. The main objective of the research is to confirm that a multifiber NIR light scattering probe can be used to predict the elastic modulus of curd during milk coagulation in cheese production. Two randomized complete block designs were used with a 3 3 factorial arrangement of three protein levels (3%, 3.5% and 4%) and three wavelengths (870 nm, 880 nm and 890 nm). Using a multifiber probe at a wavelength of 880 nm allowed obtaining a better optical response of the sensor during enzymatic milk coagulation than the 870 nm. It showed greater sensitivity to variations in the protein content of the milk and lower variation in the response. The multifiber probe at a wavelength of 880 nm generated a NIR light backscatter profile like those obtained with other systems. The results showed that the prediction model parameters had a variation as a function of the protein content, which opens the possibility of improving the prediction model’s performance substantially. Furthermore, the initial voltage obtained with the probe responded linearly to the different protein levels in milk. This fact would make it possible, at least theoretically, to estimate protein concentration with the same inline probe for G’ determination, facilitating the incorporation of a corrective protein factor in the prediction models using a single instrument. Keywords: multifiber probe; coagulation; prediction; spray-dried milk Author: Lesther Meza, Ricardo S. Aleman, Jhunior Marcia, Ajitesh Yadav and Manuel Castillo Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Mon Nov 20 13:21:35 2023 CET ModDate: Mon Nov 20 13:24:23 2023 CET Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 11 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 1115967 bytes Optimized: no PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- QJEUGD+VnURWPalladioL Type 1 Custom yes yes no 10 0 PKCIXO+URWPalladioL-Bold Type 1 Custom yes yes no 15 0 ZWKVZD+URWPalladioL-Roma Type 1 Custom yes yes no 20 0 YWBQPM+URWPalladioL-Ital Type 1 Custom yes yes no 24 0 UWJUYN+CMSY10 Type 1 Builtin yes yes no 28 0 RQHKGO+EURM10 Type 1 Builtin yes yes no 74 0 SHNOLJ+PalatinoLinotype-Roman CID TrueType Identity-H yes yes yes 85 0 RYZDXL+PalatinoLinotype-Italic TrueType WinAnsi yes yes yes 93 0 IKPGBD+PalatinoLinotype-Bold TrueType WinAnsi yes yes yes 97 0 XZYSDZ+PalatinoLinotype-Roman TrueType WinAnsi yes yes yes 101 0 SHNOLJ+PalatinoLinotype-Roman CID TrueType Identity-H yes yes yes 113 0 BNZLHR+PalatinoLinotype-Italic CID TrueType Identity-H yes yes yes 121 0 RYZDXL+PalatinoLinotype-Italic TrueType WinAnsi yes yes yes 129 0 IKPGBD+PalatinoLinotype-Bold TrueType WinAnsi yes yes yes 133 0 XZYSDZ+PalatinoLinotype-Roman TrueType WinAnsi yes yes yes 137 0 CZMRVP+PalatinoLinotype-BoldItalic TrueType WinAnsi yes yes yes 141 0 SHNOLJ+PalatinoLinotype-Roman CID TrueType Identity-H yes yes yes 150 0 BNZLHR+PalatinoLinotype-Italic CID TrueType Identity-H yes yes yes 158 0 RYZDXL+PalatinoLinotype-Italic TrueType WinAnsi yes yes yes 166 0 IKPGBD+PalatinoLinotype-Bold TrueType WinAnsi yes yes yes 170 0 XZYSDZ+PalatinoLinotype-Roman TrueType WinAnsi yes yes yes 174 0 CZMRVP+PalatinoLinotype-BoldItalic TrueType WinAnsi yes yes yes 178 0 FRPYPN+URWPalladioL-BoldItal Type 1 Custom yes yes no 193 0 Jhove (Rel. 1.28.0, 2023-05-18) Date: 2024-03-13 02:29:26 CET RepresentationInformation: spectroscj-01-00013.pdf ReportingModule: PDF-hul, Rel. 1.12.4 (2023-03-16) LastModified: 2024-03-12 10:52:41 CET Size: 1115967 Format: PDF Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 318 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: section.1 Item: Title: Materials and Methods Destination: section.2 Children: Item: Title: Milk Preparation and Coagulation Destination: subsection.2.1 Item: Title: Experimental Design Destination: subsection.2.2 Item: Title: Temperature Control Destination: subsection.2.3 Item: Title: Monitoring Light Backscatter Profiles Destination: subsection.2.4 Item: Title: Statistical Analysis Destination: subsection.2.5 Item: Title: Results and Discussion Destination: section.3 Children: Item: Title: NIR Light Scattering Ratio through the Cell Destination: subsection.3.1 Item: Title: Determination of Integration Time Destination: subsection.3.2 Item: Title: Visual Cutting Time Destination: subsection.3.3 Item: Title: Conclusions Destination: section.4 Item: Title: References Destination: section.5 Info: Title: Performance Evaluation of Fiber Near-Infrared (NIR) Optic Probes for Quality Control of Curd Hardness in Cheese Produced by Spray-Dried Milk Author: Lesther Meza, Ricardo S. Aleman, Jhunior Marcia, Ajitesh Yadav and Manuel Castillo Subject: This study aims to provide the dairy industry with a direct control model focused on milk coagulation by using multifiber probes to determine parameters in the curding process, such as cutting time, at a lower cost. The main objective of the research is to confirm that a multifiber NIR light scattering probe can be used to predict the elastic modulus of curd during milk coagulation in cheese production. Two randomized complete block designs were used with a 3 3 factorial arrangement of three protein levels (3%, 3.5% and 4%) and three wavelengths (870 nm, 880 nm and 890 nm). Using a multifiber probe at a wavelength of 880 nm allowed obtaining a better optical response of the sensor during enzymatic milk coagulation than the 870 nm. It showed greater sensitivity to variations in the protein content of the milk and lower variation in the response. The multifiber probe at a wavelength of 880 nm generated a NIR light backscatter profile like those obtained with other systems. The results showed that the prediction model parameters had a variation as a function of the protein content, which opens the possibility of improving the prediction model’s performance substantially. Furthermore, the initial voltage obtained with the probe responded linearly to the different protein levels in milk. This fact would make it possible, at least theoretically, to estimate protein concentration with the same inline probe for G’ determination, facilitating the incorporation of a corrective protein factor in the prediction models using a single instrument. 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