{"id":52042,"date":"2025-11-18T13:11:02","date_gmt":"2025-11-18T12:11:02","guid":{"rendered":"https:\/\/grupoalava.rearmachine.com\/ingenieros\/aplicaciones\/fighting-fraud-adulterations-in-cocoa\/"},"modified":"2026-06-08T11:11:28","modified_gmt":"2026-06-08T09:11:28","slug":"fighting-fraud-adulterations-in-cocoa","status":"publish","type":"aplicaciones","link":"https:\/\/grupoalava.rearmachine.com\/en\/ingenieros\/aplicaciones\/fighting-fraud-adulterations-in-cocoa\/","title":{"rendered":"Fighting Fraud: Adulterations in Cocoa"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-blend:overlay;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:15px;--awb-width-medium:100%;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p style=\"font-size: 19px;\" data-fusion-font=\"true\"><b>A portable NIR analyzer to detect adulterations in cocoa will allow us to:<\/b><\/p>\n<ul>\n<li>Determine and quantify quality parameters in raw materials.<\/li>\n<li>Take measurements even through plastic packaging.<\/li>\n<li>Portable device for use in the warehouse or outdoors.<\/li>\n<li>Easy to use thanks to its intuitive interface and touchscreen.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:15px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p><span style=\"font-size: 19px;\" data-fusion-font=\"true\"><b>Visum Palm: On-Site Quality Control to Detect Adulterations<\/b><\/span><\/p>\n<div>\n<p><span style=\"font-size: 19px;\"> <\/span><\/p>\n<div>\n<p>The globalization of food distribution creates many opportunities for fraud, which includes economic and food safety issues. Therefore, detecting adulterations in raw materials is crucial for companies. <\/p>\n<p><b>Cocoa powder has been included as one of the 25 most adulterated ingredients<\/b> according to a food fraud database. Furthermore, the most recent cocoa fraud cases in Europe report discrepancies compared to the values stated on labels. <\/p>\n<p>Cocoa products can be <b>adulterated with a wide range of products<\/b>, including arrowroot, flour, chicory, peanut shells, soy flour, among others.<\/p>\n<p>Classical methods for cocoa powder analysis, such as liquid chromatography, are complicated and require significant time investment. <b>Near-infrared spectroscopy (NIR)<\/b> offers the advantage of obtaining results more quickly and easily through non-destructive analysis. Additionally, this same technology can be used for quality control of other products such as <a href=\"https:\/\/www.vision-artificial.es\/2021\/03\/01\/control-de-calidad-en-aceites\/\">oil<\/a> or <a href=\"https:\/\/www.vision-artificial.es\/2021\/03\/01\/determinacion-del-contenido-en-humedad-en-snacks\/\">snacks<\/a>.  <\/p>\n<p><b><span style=\"background-color: rgba(0, 0, 0, 0); letter-spacing: 0.21px; font-size: 19px;\" data-fusion-font=\"true\">Case Study:<\/span><\/b><\/p>\n<p>Using the portable analyzer <b>VISUM Palm<\/b>, the spectrum of a large number of cocoa powder samples adulterated with wheat flour in different proportions (from 0 to 100%) was acquired through the plastic bags containing them.<\/p>\n<p>The <b>differences in the &#8220;spectral fingerprints&#8221;<\/b> between both products are very clear. NIR allows these differences to be seen, which are undetectable to the human eye. <\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:15px;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"163\" alt=\"Las diferencias de las \u201chuellas espectrales\u201d entre ambos productos son muy claras. El NIR permite ver estas diferencias, que mediante el ojo humano son indetectables.\" title=\"grafica cacao\" src=\"https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-cacao-300x163.png\" class=\"img-responsive wp-image-47951\" srcset=\"https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-cacao-200x109.png 200w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-cacao-400x217.png 400w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-cacao-600x326.png 600w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-cacao-800x434.png 800w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-cacao.png 871w\" sizes=\"(max-width: 768px) 100vw, 300px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:15px;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><p><i>Differences Between the Spectrum of Flour and Cocoa<\/i><\/p>\n<p>With the acquired spectral data, a chemometric model was developed to determine the weight percentage of flour present in each bag. The model was integrated into VISUM Palm, enabling the device to detect and quantify, in a matter of seconds, the percentage of adulterant (flour) present in the cocoa powder with an accuracy of 3.5%.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:15px;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"205\" alt=\"Diferencias entre el espectro de harina y cacao\" title=\"cacao y harina\" src=\"https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/caco-y-harina-300x205.jpg\" class=\"img-responsive wp-image-47947\" srcset=\"https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/caco-y-harina-200x137.jpg 200w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/caco-y-harina-400x273.jpg 400w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/caco-y-harina.jpg 583w\" sizes=\"(max-width: 768px) 100vw, 300px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:15px;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"243\" alt=\"Correlaci\u00f3n entre el predictivo por el modelo y el porcentaje real de harina\" title=\"grafica harina\" src=\"https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-harina-300x243.png\" class=\"img-responsive wp-image-47953\" srcset=\"https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-harina-200x162.png 200w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-harina-400x324.png 400w, https:\/\/grupoalava.rearmachine.com\/wp-content\/uploads\/2025\/11\/grafica-harina.png 596w\" sizes=\"(max-width: 768px) 100vw, 300px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:15px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:15px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:15px;--awb-spacing-left-medium:15px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-4\"><p style=\"font-size: 19px;\" data-fusion-font=\"true\"><b>Conclusions<\/b><\/p>\n<p>VISUM PALM is <b>capable of detecting adulterations in cocoa powder with flour through plastic bags with an accuracy of 3.5% in less than 5 seconds<\/b>. Furthermore, NIR technology allows establishing a &#8220;chemical fingerprint&#8221; of the pure product, enabling future adulterations to be detected.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":52043,"parent":0,"template":"","meta":{"_acf_changed":false},"industria-en-aplicacion":[7506],"producto-en-aplicacion":[7498],"class_list":["post-52042","aplicaciones","type-aplicaciones","status-publish","has-post-thumbnail","hentry","industria-en-aplicacion-agri-food","producto-en-aplicacion-artificial-and-industrial-vision"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fighting Fraud: Adulterations in Cocoa - Grupo \u00c1lava<\/title>\n<meta name=\"description\" content=\"Cocoa powder has been included as one of the 25 most adulterated ingredients according to a food fraud database. 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