Results 21 to 30 of about 483,373 (407)

Alkaloid of Rhynchostylis retusa as Green Inhibitor for Mild Steel Corrosion in 1 M H₂SO₄ Solution

Electrochem, 2022
Alkaloids are aromatic hydrocarbons with nitrogen as heteroelements in the ring structure that are responsible for bonding with the metal surface and help to reduce corrosion of metals such as mild steel (MS) in an acidic medium.
Amrita Chapagain, Debendra Acharya, Anju Kumari Das, Kisan Chhetri, Hari Bhakta Oli, Amar Prasad Yadav   +5 more
doaj   +1 more source

Recent Advances in the Synthesis of β-Carboline Alkaloids

Molecules, 2021
β-Carboline alkaloids are a remarkable family of natural and synthetic indole-containing heterocyclic compounds and they are widely distributed in nature.
T. Szabó, Balázs Volk, M. Milen
semanticscholar   +1 more source

Alkaloids in Marine Algae

Marine Drugs, 2010
This paper presents the alkaloids found in green, brown and red marine algae. Algal chemistry has interested many researchers in order to develop new drugs, as algae include compounds with functional groups which are characteristic from this particular ...
Ekrem Sezik, Aline Percot, Kasım Cemal Güven   +2 more
doaj   +1 more source

Mediterranean White Lupin Landraces as a Valuable Genetic Reserve for Breeding

Plants, 2021
Legumes crops are important for sustainable agriculture and global food security. Among them white lupin (Lupinus albus L.), is characterized by exceptional protein content of high nutritional value, competitive to that of soybean (Glycine max) and is ...
Ioannis Zafeiriou, Alexios N. Polidoros, Eirini Baira, Konstantinos M. Kasiotis, Kyriaki Machera, Photini V. Mylona   +5 more
doaj   +1 more source

Potential inhibitors of coronavirus 3-chymotrypsin-like protease (3CLpro): an in silico screening of alkaloids and terpenoids from African medicinal plants

Journal of Biomolecular Structure and Dynamics, 2020
The novel coronavirus disease 2019 (COVID-19) caused by SARS-COV-2 has raised myriad of global concerns. There is currently no FDA approved antiviral strategy to alleviate the disease burden.
G. A. Gyebi, O. Ogunro, A. P. Adegunloye, Oludare Michael Ogunyemi, S. Afolabi   +4 more
semanticscholar   +1 more source

The Main Alkaloids in Uncaria rhynchophylla and Their Anti-Alzheimer’s Disease Mechanism Determined by a Network Pharmacology Approach

International Journal of Molecular Sciences, 2021
Alzheimer’s disease (AD) is a growing concern in modern society, and effective drugs for its treatment are lacking. Uncaria rhynchophylla (UR) and its main alkaloids have been studied to treat neurodegenerative diseases such as AD.
Peng Zeng, Xiao-Ming Wang, Chao-Yuan Ye, Hong-Fei Su, Q. Tian   +4 more
semanticscholar   +1 more source

A New Antimicrobial Phenylpropanol from the Leaves of Tabernaemontana inconspicua Stapf. (Apocynaceae) Inhibits Pathogenic Gram-Negative Bacteria

Antibiotics, 2022
A chemical investigation of the leaves of Tabernaemontana inconspicua Stapf. led to the isolation of a new phenylpropanol derivative, namely irisdichototin G (1), together with nine known compounds, including one polyol derivative, dambonitol (2); three ...
Lidwine Ngah, Willifred Dongmo Tékapi Tsopgni, Judith Caroline Ngo Nyobe, Alain Tadjong Tcho, Moses K. Langat, Jean Claude Ndom, Eduard Mas-Claret, Nicholas John Sadgrove, Alain François Kamdem Waffo, Methee Phumthum   +9 more
doaj   +1 more source

Antimicrobial Activity of Polyphenols and Alkaloids in Middle Eastern Plants

Frontiers in Microbiology, 2019
Antibiotic-resistant microorganisms have been an ever-growing concern over the past years. This has led researchers to direct their attention onto plants to be able to discover new possible antimicrobial compounds.
L. Othman, A. Sleiman, R. Abdel-Massih
semanticscholar   +1 more source

Isolation and X-ray crystal structure of tetrahydroisoquinoline alkaloids from Calycotome villosa Subsp. intermedias [PDF]

, 2004
Two tetrahydroisoquinoline alkaloids were extracted from the alkaloid fraction of a methanol extract of the seeds of Calycotome Villosa Subsp. intermedia.
Bolte, Michael, Bouktaib, Mohamed, El Alami, Rachid, El Antri, Ali, El Bali, Brahim, Lachkar, Mohammed, Messouri, Ibtissam   +6 more
core   +2 more sources

Optimization through a Box–Behnken Experimental Design of the Microwave-Assisted Extraction of the Psychoactive Compounds in Hallucinogenic Fungi (Psylocibe cubensis)

Journal of Fungi, 2022
Hallucinogenic fungi, mainly those from the Psilocybe genus, are being increasingly consumed even though there is no control on their culture conditions.
Curro Polo-Castellano, José Á. Álvarez, Miguel Palma, Gerardo F. Barbero, Jesús Ayuso, Marta Ferreiro-González   +5 more
doaj   +1 more source