(n.) A roll or bag, filled with dust, borne by Byzantine emperors, as a memento of mortality. It is represented on medals.
(n.) A genus of leguminous trees and shrubs. Nearly 300 species are Australian or Polynesian, and have terete or vertically compressed leaf stalks, instead of the bipinnate leaves of the much fewer species of America, Africa, etc. Very few are found in temperate climates.
(n.) The inspissated juice of several species of acacia; -- called also gum acacia, and gum arabic.
(2) These effects have been explained in terms of shielding of electrostatic attractions between gelatin and acacia polyions by adsorption of ionic and non-ionic surfactant molecules onto the polyions.
(3) This paper presents analytical data that confirm the mean values previously established for nitrogen and the specific rotation of bulk commercial gum arabic from Acacia senegal.
(4) 91:1314-1319.-In nodules of Vigna sinensis, Acacia longifolia, and Viminaria juncea, membrane envelopes enclose groups of bacteroids.
(5) Only the flowers of Acacia arabica and Hibiscus rosa-sinensis appeared to lack teratologic potential at the doses tested.
(6) The government announced last month that two units at Hakea would be cordoned off to house 256 female prisoners from Bandyup, in an effort to ease overcrowding there, while 400 male remandees would be sent to new units in Acacia.
(7) Pollen of acacias is transported by insects as polyads, composite pollen grains.
(8) We have described respiratory allergy to the pollens of mimosa (Acacia floribunda) in some Mediterranean areas of Italy and France.
(9) Isozyme markers were used to test this hypothesis in two populations of Acacia melanoxylon R.Br.
(10) Flies restricted to the riverine gallery forest in the dry season become dispersed into approximately 1 km of the Acacia thickets in the wet season.
(11) In trial 1, the mean gingival and plaque scores were lower after 7 days of using Acacia compared with sugar-free gum but the differences were insignificant.
(12) The presence of acacia gum decreased the mechanical toughness and the water vapour transmission rate and increased the film water solubility.
(13) Black locust (Robinia pseudo-Acacia), bush clover (Lespedeza bicolor), wistaria (Wistaria floribunda) and Japanese knotgrass (Reynoutria japonica) were used for the present experiment.
(14) The starch performed as well as maize starch in binding and disintegrating properties and better than acacia as binder.
(15) Suture was with cotton or human hair, acacia and other thorns, ant jaws, and sinew, with or without a drain.
(16) The regulatory specifications for gum arabic (Acacia senegal) are superficial and inadequate to ensure that it is not adulterated with non-permitted gums from other botanical sources.
(17) Eleven cases of poisoning of children who had chewed threads from the barks of trees subsequently identified as Robinia pseudo-acacia were detected in Sanlúcar La Mayor (Sevilla).
(18) Lectin binding on the cell surface was measured by the method of Kornfeld [16] using three tritiated lectins: Robinia pseudo acacia, Concanavalin A and Ricinus.
(19) 2 blind crossover trials were carried out to evaluate the antiplaque potential of Acacia gum compared with sugar free gum.
(20) The spray-dried powders of the pods and stem bark of Acacia nilotica subspp.
Tragacanth
Definition:
(n.) A kind of gum procured from a spiny leguminous shrub (Astragalus gummifer) of Western Asia, and other species of Astragalus. It comes in hard whitish or yellowish flakes or filaments, and is nearly insoluble in water, but slowly swells into a mucilaginous mass, which is used as a substitute for gum arabic in medicine and the arts. Called also gum tragacanth.
Example Sentences:
(1) Thus, the oral toxicity of tragacanth gum to B6C3F1 mice was concluded to be negligible.
(2) A plaque assay was developed for FMD virus that depended on washing MVPK-1 cells in serum-free medium before infection and excluding serum from 0.6% gum tragacanth overlay during plaque formation.
(3) Repeated oral administration of commonly used suspending media, gum arabic, gum tragacanth, methylcellulose, and carboxymethylcellulose-Na to rats caused uncoupling of oxidative phosphorylation in liver and heart mitochondria and partial inhibition of mixed function oxidases of liver endoplasmic reticulum, as measured by 2-biphenylhydroxylation and 4-biphenylhydroxylation.
(4) In the presence of trypsin and tragacanth gum, clear foci developed 1 day after infection.
(5) The ethanolic extract, and some of the gum preparations, particularly tragacanth and karaya, caused considerable footpad swelling when injected intradermally.
(6) It was found that these strains remain cell-associated after repeated cocultivations with Vero cells and produce plaques under fluid medium or tragacanth overlay.
(7) Tragacanth gum was administered at dietary levels of 0 (control), 1.25 and 5.0% to groups of 50 male and 50 female B6C3F1 mice for 96 wk after which all animals were maintained on a basal diet without tragacanth gum for a further 10 wk.
(8) To define the type of dietary fibre of fibre analogue with the greatest potential use in diabetic treatment, groups of four to six volunteers underwent 50-g glucose tolerance tests (GTT) with and without the addition of either guar, pectin, gum tragacanth, methylcellulose, wheat bran, or cholestyramine equivalent to 12 g fibre.
(9) Suckling mouse brain passage virus was adapted for growth in BHK-21 cells, and plaque assays were performed using a tragacanth gum overlay.
(10) Tragacanth and guar gum inhibited the activity to a greater extent than acacia, sodium alginate and carrageenin.
(11) The data presented may be useful for extending the current specifications for identity and purity, at present based solely on polysaccharide parameters, for gum tragacanth (E413).
(12) Six Iranian and seven Turkish samples of commercial gum tragacanth, and a sample of Turkish 'gum traganton', have been studied.
(13) Results from dialysis and fermentation predicted the action of wheat bran, pectin, guar, gum arabic, carboxymethylcellulose, gellan, tragacanth, xanthan, and karaya in humans and generated anomalous results for karaya and tragacanth.
(14) Many of the Bacteroides strains tested were also able to ferment a variety of plant polysaccharides, including amylose, dextran, pectin, gum tragacanth, gum guar, larch arabinogalactan, alginate, and laminarin.
(15) To investigate the nature of these gross lesions, tragacanth gum was fed to groups of 30 male mice at the dietary level of 5.0% for periods of up to 48 wk; 20 males served as controls.
(16) Wheat bran and gum tragacanth increase stool weight but have no effect on serum cholesterol or on hydrogen excretion.
(17) Interaction of the preservative with hydrophilic macromolecules and subsequent reduction in the availability of preservative appears to be the predominant mechanism by which tragacanth and guar gum reduce the activity of methyl-p-hydroxybenzoate.
(18) The gums studied were tragacanth, karaya, ghatti, carob, guar, arabic and xanthan gum.
(19) The effect of talc, magnesium stearate, stearic acid, and Acrawax C, which are commonly used as lubricants, on the dry-binding efficiency of tragacanth, polyethylene glycol 4000, polyvinylpyrrolidone, and mannitol were investigated.
(20) Gum tragacanth, normal saline, ethylene glycol, dimethyl sulfoxide (DMSO) mixed 1:1 with normal saline, sesame oil, and propylene glycol were found to be suitable injection vehicles, whereas ethanol, dissolved in normal saline in concentrations as low as 0.5% was found unsuitable.