QUÉ SIGNIFICA ALKALOID EN INGLÉS
Alcaloide
Los alcaloides son un grupo de compuestos químicos naturales que contienen principalmente átomos de nitrógeno básicos. Este grupo también incluye algunos compuestos relacionados con propiedades neutras e incluso débilmente ácidas. Algunos compuestos sintéticos de estructura similar también se atribuyen a los alcaloides. Además de carbono, hidrógeno y nitrógeno, los alcaloides también pueden contener oxígeno, azufre y, más raramente, otros elementos como el cloro, el bromo y el fósforo. Los alcaloides son producidos por una gran variedad de organismos, incluyendo bacterias, hongos, plantas y animales, y son parte del grupo de productos naturales. Muchos alcaloides pueden ser purificados a partir de extractos crudos por extracción ácido-base. Muchos alcaloides son tóxicos para otros organismos. A menudo tienen efectos farmacológicos y se utilizan como medicamentos, como drogas recreativas, o en rituales enteogénicos. Ejemplos son el anestésico local y la cocaína estimulante, la psilocina psiquedélica, la cafeína estimulante, la nicotina, la morfina analgésica, la ...
definición de alkaloid en el diccionario inglés
La definición de alcaloide en el diccionario es cualquiera de un grupo de compuestos básicos nitrogenados que se encuentran en las plantas, típicamente insolubles en agua y fisiológicamente activos. Ejemplos comunes son morfina, estricnina, quinina, nicotina y cafeína.
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10 LIBROS DEL INGLÉS RELACIONADOS CON «ALKALOID»
Descubre el uso de
alkaloid en la siguiente selección bibliográfica. Libros relacionados con
alkaloid y pequeños extractos de los mismos para contextualizar su uso en la literatura.
1
Alkaloids - Secrets of Life:: Aklaloid Chemistry, Biological ...
Considering an organic chemistry approach to alkaloids using biological and ecological explanation. Within the book several questions that persist in this field of research are approached as are some unresearched areas.
This title includes articles by Mariko Kitajima, Hiromitsu Takayama, Uwe Rinner and Tomas Hudlicky.
Hans-Joachim Knölker,
2012
3
Alkaloids: Biochemistry, Ecology,and Medicinal Applications
Text providing a survey of recent scientific thinking on the biology of alkaloids. For advanced students and professional researchers in agriculture, biology, pharmaceutical sciences, botany, and biochemistry.
Margaret F. Roberts, Michael Wink,
1998
4
New Light on
Alkaloid Biosynthesis and Future Prospects
Geraniol 10-hydroxylase, a cytochrome P450 enzyme involved in terpenoid
indole alkaloid biosynthesis. FEBS Letters, 508, 215–220. Contin, A., van der
Heijden, R., Lefeber, A. W. M., & Verpoorte, R. (1998). The iridoid glucoside
secologanin ...
5
Dictionary of Natural Products, Supplement 1
( + )-form [436-77-1] 12-O-Methylatherospermoline Alkaloid from the roots of
Cycled peliata, Triclisia subcordata and Stephania hernandifolia, the tubers of S.
tetrandra, and from the bark of Daphnandra sp. Dt-7 (Menispermaceae ...
6
Progress Toward the Total Synthesis of the Lycopodium ...
Lycopodium alkaloids have drawn interest from both the biological community, owing to their cytotoxicity and potential to alleviate memory disorders, and the synthetic community, due to their structurally challenging ring systems.
7
The Annals of Science: Being a Record of Inventions and ...
Now, two orders of things may present themselves—either the alkaloid contained
in the suspected matter is liquid and volatile, or'solid and fixed. I shall now
consider these two hypotheses. Examination for at Liquid and Volatile Alkaloid.
8
Ecology and Evolution of the Grass-Endophyte Symbiosis
Jani (2005) examine the diversity of herbivores, predators, parasites, and
detritivores collected from 87 infected individuals of A. robustum that varied in
alkaloid levels from a natural community near Cloudcroft, New Mexico.
Sleepygrass is a ...
Gregory P. Cheplick Professor of Biology CUNY/Staten Island, Stanley Faeth Professor of Biology Arizona State University,
2009
Both rate and product ee reach a maximum at extremely low concentration of
alkaloid, corresponding to an alkaliod/PtSUrf ratio of 0.5 in toluene and 1 in
ethanol (1 5). These data suggest that adsorption of the alkaloid on the metal
surface is ...
10
Alkaloids: Chemical and Biological Perspectives, Volume 14: ...
Table 1 summarizes the alkaloid producing species found in Malaysia. The
plants are listed systematically under family, genus and species. The alkaloids
were detected by the Mayer or Dragendorff reagents or by TLC of an alkaloidal
extract ...
10 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «ALKALOID»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
alkaloid en el contexto de las siguientes noticias.
Himachal-based company booked for smuggling cough syrup …
The DCA, during the investigations, found that the syrup contained narcotic compound codeine, the second-most predominant alkaloid in ... «Hindustan Times, Jul 15»
Alltech features 15 research abstracts at 2015 JAM
... Beijing, China; Characterization of novel polymers for alkaloid adsorption M.B. Kudupoje*12, E.S. Vanzant1, A. Yiannikouris2, K.A. Dawson2, ... «All about feed, Jul 15»
Gardening with Deb: Poisonous plants of Routt County
It causes alkaloid poisoning, and while it is not commonly considered poisonous to humans, if enough is eaten, it will affect humans too. «Steamboat Pilot & Today, Jul 15»
Farmers encouraged to scout fields for toxic ergot fungus
“Ergot produces alkaloid compounds that are toxic to livestock and humans. The toxins constrict blood vessels, increasing respiration rates, ... «Buffalo Reflex, Jun 15»
Cyclacel & ManRos Therapeutics Announce Licensing & Supply …
... natural product derived alkaloid (for the treatment of cognitive defects in Down syndrome and Alzheimer's disease patients; preclinical stage). «PipelineReview.com, Jun 15»
Fungus among us: Ergot a concern in area fescue fields
Ergot is capable of producing toxic alkaloid compounds similar to those produced by the endophyte fungus found within the cells of a fescue ... «Springfield News-Leader, Jun 15»
Pen In Hand: Ephedra, the first tea of Tehachapi
Ephedra contains an alkaloid called ephedrine which is similar in structure to adrenaline. Ephedrine and its synthesized version ... «Tehachapi News, Jun 15»
Benefits of Berberine
Berberine is a yellow-colored alkaloid compound found in several different plants, including European barberry, goldenseal, goldthread, ... «ProHealth, Jun 15»
Rick's List - Friendlier science edition
Original chemistry name: Methylergonovine Maleate (a semi-synthetic ergot alkaloid used for the prevention and control of postpartum ... «theday.com, Jun 15»
UK scientists discover key poppy alkaloid production enzyme
GSK and UK academics claim a newly identified enzyme is the missing link in the mechanism poppies use to make painkilling alkaloids like ... «In-PharmaTechnologist.com, Jun 15»