Results 31 to 40 of about 84,269 (200)

Insight into the Impact of Food Processing and Culinary Preparations on the Stability and Content of Plant Alkaloids Considered as Natural Food Contaminants

Applied Sciences, 2023
Pyrrolizidine alkaloids, tropane alkaloids and opium alkaloids are natural plant toxins that have recently gained special interest in food safety due to their concerning occurrence in many foods and feeds.
Natalia Casado, Gema Casado-Hidalgo, Lorena González-Gómez, Sonia Morante-Zarcero, Isabel Sierra   +4 more
doaj   +1 more source

Alkaloid diversity in relation to breeding for specifi c alkaloids in opium poppy (Papaver somniferum L.)

Czech Journal of Genetics and Plant Breeding, 2010
Papaver somniferum is a chief source of diverse physiologically active alkaloids, required by the pharmaceutical industry. The present study describes the diversity of the alkaloid spectrum of 122 opium poppy accessions of Indian origin by means of a ...
Sudhir Shukla, Hemant Kumar Yadav, Anu Rastogi, Brij Kishore Mishra, Sant Prasad Singh   +4 more
doaj   +1 more source

The Action of the Opium Alkaloids [PDF]

Biochemical Journal, 1912
n ...
openaire   +3 more sources

Scientific Opinion on the risks for public health related to the presence of opium alkaloids in poppy seeds

EFSA Journal, 2011
Poppy seeds are obtained from the opium poppy (Papaver somniferum L.). They are used in bakery products, on top of dishes, in fillings of cakes and in desserts and to produce edible oil.
EFSA Panel on Contaminants in the Food Chain (CONTAM)
doaj   +1 more source

Opium alkaloids in Papaver somniferum [PDF]

, 2010
katedra: KCH; rozsah: 83The bachelor thesis deals with opium alkaloids in Papaver somniferum. It describes their chemical structure, effects and use. The aim is to analyze opium alkaloids using by thin-layer chromatography and infrared spectrophotometry ...
Stránská, Adéla
core   +1 more source

Role of the phloem in the biochemistry and ecophysiology of benzylisoquinoline alkaloid metabolism

Frontiers in Plant Science, 2013
Benzylisoquinoline alkaloids (BIAs) are a diverse group of biologically active specialized metabolites produced mainly in four plant families. BIA metabolism is likely of monophyletic origin and involves multiple enzymes yielding structurally diverse ...
Eun-Jeong eLee, Jillian eHagel, Peter eFacchini   +2 more
doaj   +1 more source

Anti-protozoal activity of aporphine and protoberberine alkaloids from Annickia kummeriae (Engl. & Diels) Setten & Maas (Annonaceae) [PDF]

, 2013
BACKGROUND: Malaria, trypanosomiasis and leishmaniasis have an overwhelming impact in the poorest countries in the world due to their prevalence, virulence and drug resistance ability.
Swaleh, S. M., Hassanali, Ahmed, Ndiege, Isaiah O, Brun, R., Dalsgaard, Petur, Ahmed Hassanali, Ndiege, I. O., Malebo, Hamisi M, Monical Cal, Petur Dalsgaard, Maurice O Omolo, Hassanali, A., Wenzler, T., Sequin, U., Hamburger, M., Wenzler, Tanja, Tanja Wenzler, Omolo, M. O., Omolo, Maurice O, Hamisi M Malebo, Dalsgaard, P., Cal, M., Häussinger, Daniel, Daniel Häussinger, Häussinger, D., Hamburger, Matthias, Brun, Reto, Sauda M Swaleh, Malebo, H. M., Séquin, Urs, Isaiah O Ndiege, Reto Brun, Cal, Monical, Swaleh, Sauda M, Urs Séquin, Matthias Hamburger   +35 more
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Content of alkaloids in ornamental Papaver somniferum L. cultivars growing in Estonia; pp. 34–39 [PDF]

Proceedings of the Estonian Academy of Sciences, 2017
The alkaloid content in industrial opium poppies (Papaver somniferum L.) has been studied by numerous authors, but not in ornamental cultivars.The aim of the study was to investigate the content of morphine, codeine, and papaverine in P.
Andres Meos, Liis Saks, Ain Raal
doaj   +1 more source

Benzylisoquinoline alkaloid biosynthesis in opium poppy [PDF]

Planta, 2014
Opium poppy (Papaver somniferum) is one of the world's oldest medicinal plants and remains the only commercial source for the narcotic analgesics morphine, codeine and semi-synthetic derivatives such as oxycodone and naltrexone. The plant also produces several other benzylisoquinoline alkaloids with potent pharmacological properties including the ...
Guillaume A W, Beaudoin, Peter J, Facchini   +1 more
openaire   +2 more sources

Quantitative ¹H NMR metabolomics reveals extensive metabolic reprogramming of primary and secondary metabolism in elicitor-treated opium poppy cell cultures

BMC Plant Biology, 2008
Background Opium poppy (Papaver somniferum) produces a diverse array of bioactive benzylisoquinoline alkaloids and has emerged as a model system to study plant alkaloid metabolism.
Vogel Hans J, Weljie Aalim M, Zulak Katherine G, Facchini Peter J   +3 more
doaj   +1 more source