• The major alkaloids will be used as novel building blocks to prepare more structurally complex and less abundant Stemona alkaloids and their analogues. (edu.au)
  • The total alkaloids of the plant Fumaria parviflora Lam. (springer.com)
  • In this report, a biofilm model of S. epidermidis was generated and the minimal inhibitory concentration (MIC) and sub-MIC (SMIC) on bacterial cultures were assessed for the following agents: total alkaloids of Sophora alopecuroides (TASA), ciprofloxacin (CIP), and erythromycin (ERY). (hindawi.com)
  • Effect of total alkaloids from Alstonia scholaris on airway inflammation in rats. (sigmaaldrich.com)
  • However, there is no scientific evidence to validate the use of total alkaloids of A. scholaris in the literature. (sigmaaldrich.com)
  • Here, we investigated the protective activity of total alkaloids (TA), extracted from the leaves of Alstonia scholaris, against lipopolysaccharide (LPS)-induced airway inflammation (AI) in rats. (sigmaaldrich.com)
  • 200 μg/μL LPS was instilled intratracheally in each rat, and then the modeling animals were divided into six groups (n=10, each) randomly: sham group, LPS group, Dexamethasone [1.5mg/kg, intra-gastricly (i.g.)] group, and three different doses (7.5, 15, and 30 mg/kg, i.g.) of total alkaloids-treated groups. (sigmaaldrich.com)
  • Total alkaloids decreased the percentage of neutrophil, number of WBC, levels of ALB, AKP and LDH in the BALF, while increased the content of ALB in serum. (sigmaaldrich.com)
  • Total alkaloids also inhibited the production of inflammatory cytokines TNF-α and IL-8 in the BALF and lung. (sigmaaldrich.com)
  • Finally, histopathological examination indicated that total alkaloids attenuated tissue injury of the lungs in LPS-induced AI. (sigmaaldrich.com)
  • Total alkaloids have an inhibitory effect against LPS-induced airway inflammation in rats. (sigmaaldrich.com)
  • The Isoquinoline Alkaloids: Chemistry and Pharmacology presents an overview of the chemistry, biogenesis, spectroscopy, and pharmacology of the isoquinoline alkaloids. (elsevier.com)
  • One of these are isoquinoline alkaloids (IQs), taken from a selected plant. (allaboutfeed.net)
  • β-Phenylethylamines and the isoquinoline alkaloids" (PDF). (wikipedia.org)
  • Other alkaloids possess psychotropic ( e.g. psilocin ) and stimulant activities ( e.g. cocaine , caffeine , nicotine , theobromine ), and have been used in entheogenic rituals or as recreational drugs . (wikipedia.org)
  • Benzoylecgonine Cocaine Ecgonidine Ecgonine Hydroxytropacocaine Methylecgonine cinnamate Tropacocaine Truxilline Cuscohygrine Dihydrocuscohygrine Hygrine Nicotine Cocaine metabolites (Human) Coca wine, an alcoholic beverage combining wine with extracted coca alkaloids Variation of Alkaloid Content in Erythroxylum coca Leaves from Leaf Bud to Leaf Drop. (wikipedia.org)
  • The 2019 Global Forecast for Botanical drugs, alkaloids, including opium and nicotine (2020-2025 Outlook)-Manufacturing & Markets Report, published by Barnes Reports, contains timely and accurate market statistics and forecasts on the market for over 140 countries. (bccresearch.com)
  • This finding agrees with feeding experiments: larvae of M. sexta and other sphingids of the Macroglossinae and Sphinginae not only tolerated nicotine, but also many other alkaloids that affect neuroreceptors other than acetylcholine receptors (nAChR, mAChR). (springer.com)
  • Application of the cytochrome P 450 inhibitor SKF 525A (proadifen) reduced the formation of nicotine N-oxide and the rate of alkaloid degradation. (springer.com)
  • Building upon this work, we envisioned the construction of a larger library of alkaloid/terpenoid-like small molecules for further chemical and biological evaluation. (pnas.org)
  • Furoquinoline alkaloids are a group of alkaloids with simple structure. (wikipedia.org)
  • In addition to carbon , hydrogen and nitrogen , alkaloids may also contain oxygen , sulfur and, more rarely, other elements such as chlorine , bromine , and phosphorus . (wikipedia.org)
  • The nitrogen in the alkaloid molecule is derived from amino acid metabolism. (els.net)
  • Alkaloids are natural, organic substances that are predominantly found in plants and normally contain at least one nitrogen atom in their chemical structure. (encyclopedia.com)
  • Nitrogen: The nitrogen in some alkaloids is not in a heterocyclic ring e.g. (scribd.com)
  • True (Typical) alkaloids that are derived from amino acids and have nitrogen in a heterocyclic ring. (scribd.com)
  • e.g Ephedrine Pseudo alkaloids that are not derived from amino acids but have nitrogen in a heterocyclic ring. (scribd.com)
  • A flavonoid alkaloid also known as a flavoalkaloid is a type of natural product produced by plants that contains both a flavonoid core structure and a nitrogen containing substituent so that the substance is also classified as an alkaloid. (wikipedia.org)
  • The most common flavonoid alkaloids contain a nitrogen heterocycle such as a pyridine or piperidine which is covalently bonded to the A-ring of a chromone. (wikipedia.org)
  • Alkaloids contain nitrogen and can be made in the laboratory. (cancer.gov)
  • It is the N,N,N-trimethyl derivative of the well-known biogenic amine tyramine, and, being a natural product with a positively charged nitrogen atom in its molecular structure, it is classed as an alkaloid. (wikipedia.org)
  • Alkaloids have the ability to form salts with mineral acids (such as with HCl, H 2 SO 4 , HNO 3 ) or organic acids (such as with tartaric acid and sulfamic acid). (newworldencyclopedia.org)
  • acetic acids Salts with inorganic acids e.Forms of Alkaloids: Free bases Salts with Organic acids e. (scribd.com)
  • Alkaloids are basic - they form water soluble salts. (friedli.com)
  • Most alkaloids are well-defined crystalline substances which unite with acids to form salts. (friedli.com)
  • Extraction: The extraction is carried out with chloroform after liberation of the alkaloids from their salts by NH 4 OH. (themediaconsortium.com)
  • Ergometrine and methylergometrine are two alkaloids that are used as maleate salts for the prevention and control of postpartum hemorrhage. (mdpi.com)
  • Alkaloids are produced by a large variety of organisms including bacteria , fungi , plants , and animals . (wikipedia.org)
  • Alkaloid-containing plants have been used by humans since ancient times for therapeutic and recreational purposes. (wikipedia.org)
  • Alkaloids often have pronounced bioactivities and are therefore thought to play an important role in the interaction of plants with their environment. (els.net)
  • Alkaloid‐producing tissue cultures provide an alternative for exploiting slow growing or protected plants. (els.net)
  • Alkaloids from nonflowering plants. (els.net)
  • Most alkaloids occur in plants, although some are produced by fungi and animals. (dictionary.com)
  • the opium alkaloids are sometimes called "phenanthrenes," for example), or by the plants or animals they were isolated from. (newworldencyclopedia.org)
  • Although alkaloids have been detected in some animals (e.g., in the toxic secretions of fire ants, ladybugs, and toads), their major occurrence is in the flowering plants. (encyclopedia.com)
  • In potato plants, the edible tubers are devoid of alkaloids, whereas the green parts contain the poisonous solanine. (encyclopedia.com)
  • Families free from Alkaloids: Rosaceae.Distribution and occurrence: Rare in lower plants. (scribd.com)
  • Although their assignment to the alkaloid is not universally accepted, they are both found in plants and animals. (wikipedia.org)
  • Furoquinoline alkaloids extracted from Teclea afzelii (Rutaceae) plants, collected at Elounden, centre province of Cameroon, have antiplasmodial activities. (wikipedia.org)
  • These alkaloids are of interest for their use in Amazonian shamanism, where they are derived from other plants. (wikipedia.org)
  • Harmala alkaloids are also found in many other plants, such as passion flower. (wikipedia.org)
  • The pyrrolizidine alkaloid-containing plants are mostly members of the composite plants (asteraceae), forget-me-not or borage families (boraginaceae) as well as the legume family (fabaceae). (bund.de)
  • Plants of genus Daphniphyllum are mainly distributed in southeast of Asia and are well known for producing highly polycyclic and structurally diverse alkaloids, which have drawn a great deal of attention from the biogenetic and synthetic points of view [ 1 , 2 , 3 , 4 ]. (mdpi.com)
  • Many alkaloids are toxic, which are used for plants to protect themselves against the aggression from other organisms, and this instinct action is an important ecological function. (hindawi.com)
  • Alkaloids can be produced by a large variety of organisms, especially most abundant in higher plants. (hindawi.com)
  • Many kinds of alkaloids are effective ingredients in most medicinal plants, so that they are applied in the treatment of diseases in traditional herbal medicine. (hindawi.com)
  • Except essential oil, plants in this family can also produce alkaloids, for example, leonurine and stachydrine, with many physiological functions [ 12 , 13 ]. (hindawi.com)
  • The phenethylamine alkaloids of native range plants. (wikipedia.org)
  • Delphinine is a toxic diterpenoid alkaloid found in plants from the Delphinium (larkspur) and Atragene (a clematis) genera, both in the family Ranunculaceae. (wikipedia.org)
  • Several pharmacologically active alkaloids have been detected in the plants. (wikipedia.org)
  • Laboratory testing commissioned by WFP indicates the presence of tropane alkaloids and is consistent with the product involved in the Karamoja outbreak. (foodsafetynews.com)
  • The European Food Safety Authority (EFSA) was asked to deliver a scientific opinion on the risks to human and animal health related to the presence of tropane alkaloids (TAs) in food and feed. (europa.eu)
  • Alkaloids are usually classified by their common molecular feat, based on the metabolic pathway used to construct the molecule. (newworldencyclopedia.org)
  • Alkaloids and terpenoids have long served as important small-molecule drugs and leads for drug discovery ( 4 , 5 ). (pnas.org)