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- Title
High-Oleic Sunflower Oil as a Potential Substitute for Palm Oil in Sugar Coatings—A Comparative Quality Determination Using Multispectral Imaging and an Electronic Nose.
- Authors
Ollinger, Nicole; Blank-Landeshammer, Bernhard; Schütz-Kapl, Lisa; Rochard, Angeline; Pfeifenberger, Iris; Carstensen, Jens Michael; Müller, Manfred; Weghuber, Julian
- Abstract
Palm oil has a bad reputation due to the exploitation of farmers and the destruction of endangered animal habitats. Therefore, many consumers wish to avoid the use of palm oil. Decorative sugar contains a small amount of palm oil to prevent the sugar from melting on hot bakery products. High-oleic sunflower oil used as a substitute for palm oil was analyzed in this study via multispectral imaging and an electronic nose, two methods suitable for potential large-batch analysis of sugar/oil coatings. Multispectral imaging is a nondestructive method for comparing the wavelength reflections of the surface of a sample. Reference samples enabled the estimation of the quality of unknown samples, which were confirmed via acid value measurements. Additionally, for quality determination, volatile compounds from decorative sugars were measured with an electronic nose. Both applications provide comparable data that provide information about the quality of decorative sugars.
- Subjects
MULTISPECTRAL imaging; ELECTRONIC noses; SUNFLOWER seed oil; SUGAR analysis; HABITATS; SUGARS
- Publication
Foods, 2024, Vol 13, Issue 11, p1693
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods13111693