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Non-invasive Digital Refractometer to Measure Maturation of Climacteric Fruits
Food Science and Technology Programme Area, School of Applied Sciences and Mathematics, Universiti Teknologi Brunei, Gadong, Brunei Darussalam.
Mechanical Engineering Programme Area, Faculty of Engineering, Universiti Teknologi Brunei, Gadong, Brunei Darussalam; Centre for Research on Agri-Food Science and Technology, Universiti Teknologi Brunei, Gadong, Brunei Darussalam.
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-9424-3921
Food Science and Technology Programme Area, School of Applied Sciences and Mathematics, Universiti Teknologi Brunei, Gadong, Brunei Darussalam.
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2023 (Engelska)Ingår i: ASEAN Journal on Science and Technology for Development, ISSN 0217-5460, Vol. 40, nr 3, s. 167-173Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Sugar content is a superior quality indicator for the post-harvesting and ripening status of climacteric fruits. Total soluble solids (TSS) represented by ∘Brix index is a measure of the sugar content. The conventional way to measure TSS is by invasive (IN) technique using manual or digital refractometers. While non-invasive (NIN) infrared refractometer devices have been developed in recent years for various agricultural and food science applications, its accuracy to measure fruit TSS directly is not straightforward, as the device is only dedicated to uses for a specific fruit. This study aims to investigate the suitability of the use of a non-invasive refractometer to measure TSS directly for some post harvested fruits. For comparison, a conventional invasive digital refractometer was also used. Red apples and green apples were used as a reference, while tests were done on bananas, mangos, red pears, golden pears and sapodillas. Among the fruit samples, red pear is the only fruit whose TSS can be measured using the non-invasive refractometer accurately, whereas the device is not suitable for the other fruits due to the significant percentage error and inapplicable corrective calibration value which may lead to a limited prediction of TSS content values.

Ort, förlag, år, upplaga, sidor
University of Brunei Darussalam , 2023. Vol. 40, nr 3, s. 167-173
Nyckelord [en]
∘Brix index, Infrared refractometer, Invasive, Non-invasive, Total soluble solids
Nationell ämneskategori
Lantbruksvetenskap, skogsbruk och fiske
Forskningsämne
Reglerteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-105091DOI: 10.61931/2224-9028.1541Scopus ID: 2-s2.0-85189653554OAI: oai:DiVA.org:ltu-105091DiVA, id: diva2:1851747
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Godkänd;2024;Nivå 0;2024-04-15 (hanlid);

Full text license: CC BY-SA

Tillgänglig från: 2024-04-15 Skapad: 2024-04-15 Senast uppdaterad: 2024-04-15Bibliografiskt granskad

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