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Geographical traceability of gelatin in China using stable isotope ratio analysis [PDF]

open access: yesFrontiers in Nutrition, 2023
Geographical traceability is crucial to the quality and safety control of gelatin. However, currently, methods for gelatin traceability have not been established anywhere in the world.
Shuang Li   +8 more
doaj   +2 more sources

Multi stable isotope ratio analysis for the traceability of northern Italian apples [PDF]

open access: yesFood Chemistry: X, 2022
Isotope ratio mass spectrometry is a well-known technique used to trace the origin of agri-food products from different countries. Here this method was tested to trace the exact orchard of provenance of Italian apples harvested at sites close to each ...
Valentina Brombin   +2 more
doaj   +2 more sources

Improved organic and pesticide-free rice (Oryza sativa L.) authentication based on multiple stable isotope ratio analysis and rice milling state [PDF]

open access: yesHeliyon
This study looked at the application of multiple bulk stable isotope ratio analysis to accurately authenticate organic rice and counteract organic fraud within the expanding global organic market.
Hee-Youn Chi   +3 more
doaj   +2 more sources

Competition and Predation in Soil Fungivorous Microarthropods Using Stable Isotope Ratio Mass Spectrometry [PDF]

open access: yesFrontiers in Microbiology, 2019
The soil food web is often described as having three main energy channels: root, bacterial and fungal. Here we provide quantitative data using a sensitive stable isotope ratio mass spectrometry procedure with microcosms on species interactions in the ...
Felicity V. Crotty, Sina M. Adl
doaj   +2 more sources

Differences in Ratio of Carbon Stable Isotopes among Barley Grain Milling Fractions with Various Concentrations of Beta-Glucans

open access: yesMolecules, 2023
The grains of three barley varieties were milled and sieved to obtain respective milling fractions with a content of beta-glucans (b-G) from 1.4 to 10.7%. The enriched fraction obtained by the extraction and precipitation contained 24.7% of b-G.
Tom Levanič   +7 more
doaj   +1 more source

Effect of the production site on stable isotopes of ethanol in fruit spirits

open access: yesTalanta Open, 2022
Stable isotope ratio analyzes are powerful analytical methods that can be used to check the authenticity of alcoholic beverages and to detect any adulteration.
Ildikó Gherghely   +4 more
doaj   +1 more source

Triple oxygen stable isotope analysis of nitrite measured using continuous flow isotope ratio mass spectrometry

open access: yesMethodsX, 2023
Oxygen stable isotopes (i.e., 16O, 17O, 18O) of nitrite (NO2−) are useful for investigating chemical processes and sources contributing to this important environmental contaminant and nutrient. However, it remains difficult to quantify the oxygen isotope
Wendell W. Walters, Meredith G. Hastings
doaj   +1 more source

Nile tilapia (Oreochromis niloticus) invasion impacts trophic position and resource use of commercially harvested piscivorous fishes in a large subtropical river

open access: yesEcological Processes, 2023
Background Although freshwater ecosystems cover less than 1% of the earth's surface, they support extremely high levels of biodiversity and provide vital ecosystem services.
Fangmin Shuai, Jie Li, Sovan Lek
doaj   +1 more source

Application of 13C Quantitative NMR Spectroscopy to Isotopic Analyses for Vanillin Authentication Source

open access: yesFoods, 2021
The carbon stable isotope ratio (δ13C) is a valuable chemical parameter in the investigation of the geographic origin, quality, and authenticity of foods.
Concetta Pironti   +5 more
doaj   +1 more source

Research Progress on Spatiotemporal Distribution Characteristics of Carbon Stable Isotopes in Wines from New and Old World Countries [PDF]

open access: yesShipin Kexue, 2023
With the continuous development of economic globalization, the production and consumption of wine in New and Old World countries have shown a steady growth trend. Wines of different grades and styles have been developed, which are related to geographical
MA Yanfei, SU Yingyue, WANG Lishan, QI Pengyu, KANG Tianhao, WANG Li, MA Haiyan, XU Guoqian, ZHANG Ang
doaj   +1 more source

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