10 documents found, page 1 of 1
Edible flowers in modern gastronomy: a study of their volatilomic fingerprint a...
Fernández-Pintor, Begoña; Perestrelo, Rosa; Morante-Zarcero, Sonia; Sierra, Isabel; Câmara, José S.; Perestrelo, Rosa; Câmara, José<jats:p>Given the transformation that gastronomy has undergone in recent years, there is a need to characterize some new foods that are being incorporated into the modern diet. Among them, edible flowers stand out, which are used today not only to enhance the organoleptic properties of gourmet dishes but also for some of the beneficial properties they provide to human health. In this study, the volatilomic fing...
Characterization of the volatilomic fingerprint of culinary aromatic herbs: a c...
Izcara, Sergio; Perestrelo, Rosa; Morante-Zarcero, Sonia; Sierra, Isabel; Câmara, José Sousa; Perestrelo, Rosa; Câmara, José; Izcara Sierra, Sergio<jats:p>Culinary aromatic herbs (CAHs), used worldwide for culinary and industrial purposes, are recognized for their wide range of beneficial health effects including antimicrobial, antioxidant, anti-hyperlipidemic, anti-inflammatory, anti-type 2 diabetes mellitus, antitumorigenic and anticarcinogenic, and anti-hypertensive properties, in addition to glucose- and cholesterol-lowering activities as well as prop...
Evaluation of tropane alkaloids in teas and herbal infusions: effect of brewing...
González-Gómez, Lorena; Morante-Zarcero, Sonia; Pereira, Jorge A. M.; Câmara, José S.; Sierra, Isabel; Augusto Machado Pereira, Jorge; Câmara, José<jats:p>Atropine and scopolamine belong to the tropane alkaloid (TA) family of natural toxins. They can contaminate teas and herbal teas and appear in infusions. Therefore, this study focused on analyzing atropine and scopolamine in 33 samples of tea and herbal tea infusions purchased in Spain and Portugal to determine the presence of these compounds in infusions brewed at 97 °C for 5 min. A rapid microextracti...
Evaluation of the transfer and occurrence of opium alkaloids in poppy seed teas...
Casado-Hidalgo, Gema; Perestrelo, Rosa; Morante-Zarcero, Sonia; Câmara, José S.; Sierra, Isabel; Câmara, José; Perestrelo, Rosa<jats:p>Intoxication due to the consumption of poppy seed teas has been reported due to their contamination with opium alkaloids (OAs). In this work, an efficient methodology based on microsolid-phase extraction (µSPEed®) followed by gas chromatography–mass spectrometry (GC-MS) has been optimized to quantify five OAs in poppy seed teas. Nine cartridges (C4, C8, C18, silica, APS, PFAs, PS/DVB-RP, PS/DVB-SCX and ...
Volatilomic fingerprinting from edible flowers. Unravelling some impact compoun...
Izcara, Sergio; Perestrelo, Rosa; Morante-Zarcero, Sonia; Sierra, Isabel; Câmara, José S.; Câmara, José; Perestrelo, RosaIn recent years edible flowers emerged in gourmet cuisine, giving any dish the beauty of attractive colours, freshness, texture, and aromatic notes. Moreover, they also constitute a potential source of phytochemical compounds associated with beneficial effects on human health. In this work, the volatilomic fingerprinting of 4 different species of edible flowers [blue mallow (Malva sylvestris L.), pomegranate fl...
Improved analytical approach for determination of tropane alkaloids in leafy ve...
González-Gómez, Lorena; Morante-Zarcero, Sonia; Pereira, Jorge A. M.; Câmara, José S.; Sierra, Isabel; Augusto Machado Pereira, Jorge<jats:p>This work presents an optimized methodology based on the miniaturization of the original QuEChERS (μ-QuEChERS) followed by liquid chromatography coupled to mass spectrometry (HPLC-MS/MS) for the determination of tropane alkaloids (TAs), atropine, and scopolamine in leafy vegetable samples. The analytical methodology was successfully validated, demonstrating quantitation limits (MQL) ≤ 2.3 ng/g, good acc...
Green extraction approach based on μSPEed® followed by HPLC-MS/MS for the deter...
González-Gómez, Lorena; Pereira, Jorge A. M.; Morante-Zarcero, Sonia; Câmara, José S.; Sierra, Isabel; Augusto Machado Pereira, Jorge; Câmara, Joséliquid chromatography-tandem mass spectrometry (HPLC-MS/MS) has been proposed for the analysis of atropine and scopolamine in tea and herbal tea infusions. For this, a digiVOL® Digital Syringe was used with different sorbents and working conditions to obtain a fast and efficient µSPEed® extraction. The best performance was achieved with a PS/DVB sorbent phase, sample loading of 5 × 500 µL and elution with 2 × 1...
Spices volatilomic fingerprinting: a comprehensive approach to explore its auth...
Izcara, Sergio; Perestrelo, Rosa; Morante-Zarcero, Sonia; Sierra, Isabel; Câmara, José S.; Perestrelo, Rosa; Izcara Sierra, Sergio<jats:p>Volatile organic metabolites (VOMs) present in different spices can provide distinct analytical biosignatures related to organoleptic properties and health benefits. This study aimed to establish the volatilomic fingerprint of six of the most consumed spices all over the world (saffron (Crocus sativus L.), cinnamon (Cinnamomum verum), cumin (Cuminum cyminum L.), black pepper, (Piper nigrum L.), sweet pa...
Comparison of high-throughput microextraction techniques, MEPS and μ-SPEed, for...
Casado, Natalia; Perestrelo, Rosa; Silva, Catarina L.; Sierra, Isabel; Câmara, José S.In this study, two different high-throughput microextraction techniques, microextraction by packed sorbents (MEPS) and micro solid phase extraction (μ-SPEed®), were evaluated and compared, regarding the performance criteria, for the isolation of polyphenols from baby foods prior to their determination by ultrahigh pressure liquid chromatography (UHPLC). To achieve the best performance, influential parameters af...
An improved and miniaturized analytical strategy based on μ-QuEChERS for isolat...
Casado, Natalia; Perestrelo, Rosa; Silva, Catarina L.; Sierra, Isabel; Câmara, José S.An improved and miniaturized quick, easy, cheap, effective, rugged and safe (μ-QuEChERS) strategy combined with ultra-high pressure liquid chromatography coupled to a photodiode array detection system (UHPLC-PDA) was developed and optimized for the determination of twelve polyphenols in different baby foods samples. The proposed analytical approach proved to be highly cost-effective and environmentally friendly...