Exudate gums tragacanth

Natural gums are exuded in a variety of shapes characteristic of the species of origin. These shapes include the globular shape of gum arable and the flakes or thread-like ribbons of gum tragacanth (36). 

Natural Plant Tree and shrub exudates Karaya gum Tragacanth gum Gum acacia... 

The haustoria of the parasites do not form when the plants are grown axenically, but are rapidly induced in the presence of the host roots or host root exudates (17). Several haustorial-inducing compounds have now been characterized. Xenognosin A and B were identified in gum tragacanth, an exudate of Astragalus gummifer. and soyasapogenol B was identified in roots of Lespedeza sericea. 

When gum-tragacanth Is purchased for shipment to Europe, it undergoes the following assortment —The large, white, flaky, or leaf gum, formed French quality, is first picked out, and the residue is sifted. The coarser portion is returned to the pickers, who remove. the discolored leaf, which is termed English quality. The remainder is then examined, and any stones, or dirty, very black pieces ore thrown aside as refuse the rest, composed of naturally exuded gum and brown leaf, is denominated common or sorts. 

Natural gums include plant exudates, seed gums, plant extracts, seaweed extracts, and the extracellular microbial polysaccharides. Plant exudates include gum arabic, gum ghatti, gum karaya, and gum tragacanth. Seed gums include... 

There are other exudate gums that were gums of commerce in ancient times and used up to about World War 11 that are used in only very small amounts today. They are gum karaya, gum ghatti, and gum tragacanth [64,65,66,67]. 

Gum tragacanth is a dried exudate obtained from the stems and branches of Astragalus gummifer and other Asiatic species of Astragalus." ... 

Mohammadifar, M.A., Musavi, S.M., Kiumarsi, A., Williams, P.A., 2006. Solution properties of tar-gacanthin (water-soluble part of gum tragacanth exudate from Astragalus gossypinus). Int. J. Biol. Macromol. 38, 31-39. 

Other gums (plant exudates consisting of high polymer polysaccharides, some with a low nitrogen content) as karaya, acacia (gum arabic), and gum tragacanth may occasionally act as sensitizers (Nilsson 1960). 

Karaya gum k9- rI-a- [Hindi karayal resin] (1916) n. Dry exudation from Sterculia mens, which grows in India. It swells in water, and has some resemblance to gum tragacanth. 

Isol. from the partial acid hydrolysate of Tamarindus amyloid and gum tragacanth, the exudate from various species of Astragalus,... 

Gum Tragacanth E413 Plant exudate Astragalus species Iran, Turkey L-arabinose, D-galactose, D-galacturonic acid, L-rhamnose Confectionery icings, dressings, flavour oil emulsions... 

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