Results 61 to 70 of about 28,907 (157)

Variation in Oil, Protein Content and Fatty Acid Composition of Twelve Turkish Opium Poppy (Papaver somniferum L.) Lines [PDF]

open access: yesJournal of Medicinal Plants and By-products, 2012
Opium poppy (Papaver somniferum L.) has two major products: alkaloids in the capsules and the seeds.  The seed contains oil, protein, carbohydrate, moisture and mineral matters.
doaj  

Botanical inventory of the early book herbaria of Leonhard Rauwolf from southern France and northern Italy (1560–1563)

open access: yesTAXON, Volume 75, Issue 4, August 2026.
Abstract Sixteenth‐century herbaria are the oldest plant collections that survive today and, as such, they provide valuable insights in past floras and historical botanical interactions. One of the most fascinating still extant 16th‐century herbaria is the four‐volume collection of the German physician, botanist and traveler Leonhard Rauwolf (1535 ...
Anastasia Stefanaki   +5 more
wiley   +1 more source

Hittite galaktar “Opium (Poppy)”?

open access: yes, 2023
Galaktar is a noun that refers to a plant or substance mentioned in Hittite texts. In 1983, H. G. Güterbock conjectured that galaktar corresponds to the opium poppy (Papaver somniferum) although its presence in Hittite Anatolia was uncertain.
Rita Francia
core  

High temporal resolution monitoring of illicit drug consumption across England via wastewater analysis

open access: yesAddiction, Volume 121, Issue 8, Page 2043-2059, August 2026.
Abstract Aim To monitor community‐level consumption of 20 illicit drugs across urban areas of England using wastewater‐based epidemiology (WBE) surveillance at high temporal resolution. Design, setting, cases This study was conducted over a 12‐month period in 2022 sampling 24‐hour composite wastewater samples at 15 wastewater treatment plants (WWTPs ...
Helena Rapp‐Wright   +14 more
wiley   +1 more source

Cancer and Opium Addiction

open access: yesAsian Pacific Journal of Cancer Biology, 2019
Drug abuse remains a serious health and social threat in the world. According to the United Nations Office of Drugs and Crime (UNODC) 1n 2010, an estimated 16.5 million people use opium or its derivatives illicitly (1). Meanwhile, Iran has the first rank
Hossein Ghahremani   +2 more
doaj   +1 more source

Living by the lake: Plant food diversity in a prehistoric lake‐dwelling community in the Republic of North Macedonia

open access: yesArchaeometry, Volume 68, Issue S2, Page S47-S68, May 2026.
Abstract This paper explores the relationship between wetland ecosystems and prehistoric lakeshore settlements within the Lake Ohrid basin (a biodiversity hotspot) by considering plant food systems at Ploča Mičov Grad, North Macedonia. The mid‐fifth millennium (c.4555–4373 to 4437–4241 cal BCE) waterlogged assemblage contained a diverse spectrum of ...
Amy Holguin   +14 more
wiley   +1 more source

The Politics of Passage: Studying Checkpoints and Claim Making in Conflict‐affected Settings

open access: yesDevelopment and Change, Volume 57, Issue 3, Page 421-440, May 2026.
ABSTRACT Roadblocks, or checkpoints, are obligatory passage points that are erected by entities claiming authority over a given crossing. They are often the most common everyday interface between civilians and armed actors in conflict‐affected contexts, but are overlooked in studies on either trade or authority amidst conflict.
Peer Schouten   +4 more
wiley   +1 more source

Engineered Production of Hydroxycinnamoyl Tyramine Conjugates Limits the Growth of the Pathogen Pseudomonas syringae in Arabidopsis

open access: yesPlant, Cell &Environment, Volume 49, Issue 5, Page 2516-2530, May 2026.
ABSTRACT Hydroxycinnamoyl tyramine conjugates are phenolamides produced by plants in response to pathogen attack and biotic stresses. Their proposed mechanisms of action include cytotoxicity towards pathogens, cell wall reinforcement to restrict pathogen proliferation, and signaling activity to trigger general stress responses.
Halbay Turumtay   +14 more
wiley   +1 more source

Integration of deep transcriptome and proteome analyses reveals the components of alkaloid metabolism in opium poppy cell cultures

open access: yesBMC Plant Biology, 2010
Background Papaver somniferum (opium poppy) is the source for several pharmaceutical benzylisoquinoline alkaloids including morphine, the codeine and sanguinarine.
Schriemer David C   +5 more
doaj   +1 more source

Comprehensive Insights into Natural Bioactive Compounds: From Chemical Diversity and Mechanisms to Biotechnological Innovations and Applications

open access: yesChemistryOpen, Volume 15, Issue 4, April 2026.
Natural products derived from plants, animals, fungi, bacteria, and minerals contain diverse bioactive classes such as alkaloids, flavonoids, terpenoids, saponins, tannins, and phenolics. These natural products work through different mechanisms, including ROS inhibition, NF‐κB suppression, and cytokine regulation, and exhibit wide applications across ...
Sajid Ali   +4 more
wiley   +1 more source

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