2026-05-05T18:39:56Zhttps://uvadoc.uva.es/oai/request
oai:uvadoc.uva.es:10324/560242025-02-06T11:08:12Zcom_10324_1689com_10324_954com_10324_894col_10324_1690
UVaDOC author Carrión Prieto, Paula author Martín Ramos, Pablo author Hernández Navarro, Salvador author Silva Castro, Iosody author Ramos Silva, Manuela author Martín Gil, Jesús 2022-10-20T07:04:11Z 2022-10-20T07:04:11Z 2017 Pharmacognosy Journal, 2017, Vol. 9, Nº. 2, págs. 157-162. 0975-3575 https://uvadoc.uva.es/handle/10324/56024 10.5530/pj.2017.2.26 157 2 162 Pharmacognosy Journal 9 0975-3575 Introduction: Salvia hispanica L., Nigella sativa L. and Papaver somniferum L. are involved in opiate-dependent behavior. It is known that the seeds of these three herbs contain high amounts of antioxidants, which are helpful in disease prevention, but further research is needed on some of their other phytochemical components (terpene alkaloids, benzoquinones and others), which are claimed to affect human opioid receptors. Methods: Seeds from the three afore mentioned plants have been studied by ATR-FTIR vibrational spectroscopy and thermo analytical techniques (TG/DTG, DTA and DSC). Results: The infrared spectrum has confirmed the presence of the ester carbonyl of terpenoid alkaloids (such as nigellamine) and the fully conjugated cyclic dione structure of quinones (e.g., thymoquinone). As regards the thermal stability of these seeds, small differences have been observed in their thermal profiles (endothermic effects at around 333ºC for chia, 268ºC for black cumin and 319ºC for poppy seeds), which can be ascribed to their different content in carbohydrates. Conclusions: The functional groups of the main active constituents and the thermal behavior of these three seeds have been elucidated. eng Atribución 4.0 Internacional Spectroscopy Espectroscopia de infrarrojos Análisis térmico Plantes medicinals Semillas Opio Vibrational analysis and thermal behavior of Salvia hispanica, Nigella sativa and Papaver somniferum seeds info:eu-repo/semantics/article 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URL https://uvadoc.uva.es/bitstream/10324/56024/1/Vibrational-Analysis-and-Thermal-Behavior-of-Salvia-hispanica.pdf File MD5 92e06beba15ae967abc972d22c6a57b4 666225 application/pdf Vibrational-Analysis-and-Thermal-Behavior-of-Salvia-hispanica.pdf