Article
Chemistry, Analytical
Shengrui Xu, Huimin Li, Panlong Dong, Miaomiao Wang, Chang-Po Chen, Suling Feng, Jing Fan
Summary: In this study, a cooling assisted solid-phase microextraction technique (CA-SPME) was proposed and successfully used for identifying volatile and semi-volatile compounds in different types of edible oil. The method showed higher extraction efficiency compared to regular SPME technique due to the synergistic effect of heating and cooling. The optimized conditions allowed for the successful identification of compounds in various edible oils, and the proposed method demonstrated its potential in discriminating adulterated edible oils. The method provided a novel strategy for sensitive detection of edible oil adulteration without any other sample pretreatment.
ANALYTICA CHIMICA ACTA
(2022)
Review
Biochemical Research Methods
Jinhua Zhao, Maurizio Quinto, Fatima Zakia, Donghao Li
Summary: This review focuses on the recent advances and applications of liquid phase microextraction (LPME) and solid phase microextraction (SPME) in essential oil analyses. The use of ionic liquids, eutectic solvents, gas flow assisted, and novel composite materials are particularly highlighted. The future technological convergence of novel microextraction techniques for essential oils is also prospected.
JOURNAL OF CHROMATOGRAPHY A
(2023)
Article
Energy & Fuels
Yang-Yang Yan, Chu-Fan Wang, Xing Fan, Zhen-Yu Gao, Wen-Han Wei, Guo-Ming Zhao, Peng Liang, Ran-Ran Hou, Xian-Yong Wei
Summary: Due to the low concentration and detection limit, many compounds in the thermal dissolution extract of coals cannot be detected. Therefore, the introduction of SPME for sampling is necessary to enrich compounds with similar structures and exclude interferences. In this study, SPME with a PDMS coating successfully enriched partial species in the TD extract of Zhaotong lignite and increased the content of aliphatic hydrocarbons.
Article
Horticulture
Chia-Hsun Ho, Man-Hsia Yang, Huey-Ling Lin
Summary: Analyzing the volatile profile of the edible plant Gynura bicolor revealed shifts in composition at different temperatures, with temperature and vegetative organ both correlating with the volatile emission profile. Principal component analysis showed that the first and second principal components explained up to 90% of the variance in the volatile compounds identified in the vegetative tissues and temperature treatments.
Article
Chemistry, Applied
Maurizio D'Auria, Richard Lorenz, Marisabel Mecca, Rocco Racioppi, Vito Antonio Romano, Licia Viggiani
Summary: The SPME-GC-MS analysis of Gymnadenia conopsea and Gymnadenia odoratissima varieties revealed differences in aroma components, which may play a role in pollinator attraction.
NATURAL PRODUCT RESEARCH
(2022)
Article
Food Science & Technology
Thammaporn Junsai, Saranya Poapolathep, Samak Sutjarit, Mario Giorgi, Zhaowei Zhang, Antonio Francesco Logrieco, Peiwu Li, Amnart Poapolathep
Summary: This study investigated the occurrence of multi-mycotoxins in six types of vegetable oils available in Thailand, revealing variations in mycotoxin contamination among different oil samples. The levels of analyzed mycotoxins were found to be below regulatory limits, indicating a low health risk to consumers.
Article
Agriculture, Multidisciplinary
Elisabeth Koch, Michelle Wiebel, Ariane Loewen, Ina Willenberg, Nils Helge Schebb
Summary: Enzymatic and nonenzymatic oxidation of linoleic (LA) and alpha-linolenic acid (ALA) during pressing and storage of plant oils leads to the formation of various oxylipins. The concentrations of oxylipins are found to be correlated with the peroxide value (PV) of the oils, while secondary volatile aldehydes do not show similar correlations. Comprehensive analysis of different types of hydroxy-, epoxy-, and dihydroxy-LA/-ALA provides new insights into the composition of plant oils and ongoing oxidation processes.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2022)
Article
Chemistry, Applied
Sheng Wang, Xiuqin Li, Ming Li, Xianjiang Li, Qinghe Zhang, Hongmei Li
Summary: A simple, rapid, and sensitive method for simultaneous determination of 103 multiclass pesticides in edible oils was developed. The method involves a new strategy of sample preparation for efficient removal of matrix interferences. The results showed good recovery rates and low detection limits.
Review
Agriculture, Multidisciplinary
Xiaolong Hou, Junmei Jiang, Changqing Luo, Latifur Rehman, Xiangyang Li, Xin Xie
Summary: Detection technology can provide a comprehensive understanding of fruit aroma compounds and the factors influencing their synthesis. Combined methods using multiple instruments are widely used for this purpose. These results can inform the development and utilization of fruit aroma substances.
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2023)
Article
Energy & Fuels
Srividya Parthasarathy, Prathyusha Soundararajan, Nagasathiya Krishnan, Kanchana Mala Karuppiah, Velmurugan Devadasan, Dhamodharan Prabhu, Sundarraj Rajamanikandan, Palaniyandi Velusamy, Subash C. B. Gopinath, Pachaiappan Raman
Summary: Edible oils play a significant role in human diet due to their nutritional and economic importance. Adulteration of edible oils has become a global crisis, causing various life-threatening diseases. This study evaluates the quality of different edible oils and identifies adulterants through analysis of fatty acid profiles and secondary metabolites. The results show that unrefined oils have higher nutritional value and authenticity compared to refined oils.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Review
Chemistry, Analytical
Joao Raul Belinato, Vinicius Ricardo Acquaro, Luciana Teresa Dias Cappelini, Fabio Augusto
Summary: The interest in bioactive compounds from microorganisms has increased since the first discovery, with microorganisms being a key source of biomolecules with diverse applications. While conventional sample preparation techniques are still widely used, microextraction techniques show promise in overcoming limitations and promoting a deeper understanding of complex systems and the discovery of new molecules.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2021)
Article
Environmental Sciences
Morgan W. Conrady, Markus Bauer, Kyoo D. Jo, Donald M. Cropek, Ryan R. Busby
Summary: A SPME-GC-MS method was developed to successfully measure emissions of geosmin and 2-MIB from disturbed and undisturbed soils. 2-MIB was consistently detected at higher concentrations than geosmin, suggesting it may be more useful for soil emission monitoring and more sensitive to low levels of soil disturbance.
Review
Food Science & Technology
Xin-yue Zhang, Yuan Zhang, Yu Zhou, Zhi-fei Liu, Bin-bin Wei, Xue-song Feng
Summary: Melatonin (MLT) plays a crucial role in maintaining physiological functions and regulating metabolic processes. The global market share of MLT has been increasing due to its abundant functions. However, concerns arise regarding the quality issues and inappropriate or excessive application of MLT. Moreover, the detection of MLT is doubly difficult due to its photosensitivity, oxidation, complex substrate concentration, and trace levels. Therefore, it is essential to develop precise, sensitive, and stable extraction and detection methods. This study provides a comprehensive overview of the distribution, bioactivities, pretreatment, and analysis methods for MLT in food samples since 2010. Commonly used pretreatment methods include traditional techniques and novel ones such as solid-phase extraction, QuEChERS, microextraction by packed sorbent, solid phase microextraction, liquid phase microextraction, and more. Analysis methods include liquid chromatography coupled with different detectors, GC.
FOOD RESEARCH INTERNATIONAL
(2023)
Article
Chemistry, Analytical
Tania Maria Grazia Salerno, Marianna Oteri, Paola Arena, Emanuela Trovato, Danilo Sciarrone, Paola Donato, Luigi Mondello
Summary: Supercritical fluid chromatography (SFC) has gained renewed interest, thanks to advancements in hardware capabilities and tailored packing materials. The use of a subcritical co-solvent mixed with carbon dioxide has expanded the range of SFC-amenable compounds, including lipids. This research developed a subFC method for separating triacylglycerols (TAGs) in various vegetable oils, achieving efficient separations with reduced analysis time and solvent consumption.
Review
Food Science & Technology
Kacper Przykaza, Hanna Nikolaichuk, Anna Kozub, Jolanta Tomaszewska-Gras, Zeljka Persuric, Sandra Kraljevic Pavelic, Emilia Fornal
Summary: The concerns regarding the quality and authenticity of newly-marketed seed oils are primarily based on the high risk of identity theft, purity tampering, and adulteration; the current methods for detecting adulteration are mainly based on infrared spectroscopy, Raman spectroscopy, and chromatographic separation combined with mass spectrometry.
Review
Food Science & Technology
Barbara Nieva-Echevarria, Encarnacion Goicoechea, Maria D. Guillen
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
(2020)
Article
Food Science & Technology
A. S. Martin-Rubio, P. Sopelana, Maria D. Guillen
LWT-FOOD SCIENCE AND TECHNOLOGY
(2019)
Article
Food Science & Technology
Barbara Nieva-Echevarria, Encarnacion Goicoechea, Maria D. Guillen
FOOD RESEARCH INTERNATIONAL
(2019)
Article
Biochemistry & Molecular Biology
Ana S. Martin-Rubio, Patricia Sopelana, Fumie Nakashima, Takahiro Shibata, Koji Uchida, Maria D. Guillen
Article
Food Science & Technology
Barbara Nieva-Echevarria, Encarnacion Goicoechea, Maria D. Guillen
FOOD RESEARCH INTERNATIONAL
(2020)
Article
Chemistry, Applied
Jon Alberdi-Cedeno, Mitsy Molina, Berenice Yahuaca-Juarez, Maria L. Ibargoitia, Maria D. Guillen
Article
Biochemistry & Molecular Biology
Jon Alberdi-Cedeno, Maria L. Ibargoitia, Maria D. Guillen
Article
Biochemistry & Molecular Biology
Jon Alberdi-Cedeno, Maria L. Ibargoitia, Maria D. Guillen
Article
Biochemistry & Molecular Biology
Jon Alberdi-Cedeno, Maria L. Ibargoitia, Maria D. Guillen
Article
Biochemistry & Molecular Biology
Jon Alberdi-Cedeno, Maria L. Ibargoitia, Maria D. Guillen
Article
Biochemistry & Molecular Biology
Ana S. Martin-Rubio, Patricia Sopelana, Maria D. Guillen
Article
Food Science & Technology
Ana S. Martin-Rubio, Patricia Sopelana, Maria L. Ibargoitia, Maria D. Guillen
Summary: The in vitro digestion process of highly oxidized soybean oil was studied to understand the transformations of oxidized lipids containing potentially toxic compounds. It was found that polyunsaturated group bioaccessibility during digestion was affected by lipolysis and oxidation occurrence. While some oxidation products like epoxy-compounds and hydroxy-compounds persisted or increased, toxic aldehydes decreased during digestion. Additionally, a high ovalbumin proportion in the digestion process reduced oxidation and the concentration of potentially bioaccessible toxic compounds.
Article
Food Science & Technology
Barbara Nieva-Echevarria, Encarnacion Goicoechea, Patricia Sopelana, Maria D. Guillen
Summary: The study found that dietary supplements containing pure L-ascorbic acid accelerated the oxidation of linseed oil during digestion. On the other hand, supplements containing a mixture of ascorbic acid/salt with citric acid and carotenes, as well as those containing ascorbyl palmitate, protected linseed oil against oxidation and reduced the degradation of gamma-tocopherol.