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E-sensing, calibrated PSL, and improved ESR techniques discriminate irradiated fresh grapefruits and lemons
- Source :
- J Food Sci Technol
- Publication Year :
- 2019
- Publisher :
- Springer Science and Business Media LLC, 2019.
-
Abstract
- Grapefruit and lemon were exposed to phytosanitary irradiation doses of 0, 0.4, and 1 kGy, and then electronic-sensing screening of irradiation status and identification of radiation-induced ESR markers were conducted during 20 days storage. Codex standard photostimulated luminescence measurement (PSL(1)) was not a reliable indicator of irradiation status. Electronic tongue and electronic nose, however, showed potential as screening tools for discriminating irradiated fruits from non-irradiated counterparts based on principal component analysis of taste attributes and flavor patterns. Calibrated PSL approach clearly distinguished irradiated from non-irradiated samples based on the PSL ratio (PSL(2)/PSL(1)). Verification of irradiation status by electron spin resonance spectroscopy revealed clear paramagnetic centers from both irradiated fruits samples and ethanol-vacuum drying pretreatment improved radiation-induced ESR signal detection; not prominent enough in 0.4 kGy-irradiated commodities during 20 days of storage. Peel parts of both fruits showed high limonene which proportionally increased with irradiation doses (p
- Subjects :
- 0106 biological sciences
Materials science
Electronic nose
Photostimulated luminescence
Electronic tongue
Radiochemistry
04 agricultural and veterinary sciences
PSL
01 natural sciences
law.invention
law
010608 biotechnology
Original Article
Screening tool
Irradiation
0405 other agricultural sciences
Electron paramagnetic resonance
Flavor
040502 food science
Food Science
Subjects
Details
- ISSN :
- 09758402 and 00221155
- Volume :
- 57
- Database :
- OpenAIRE
- Journal :
- Journal of Food Science and Technology
- Accession number :
- edsair.doi.dedup.....2175c7680881ddd072bd77cde3bb3856