ex. acacia, karaya, tragacanth
SHRUB OR TREE EXUDATES
ex. agar, algin, carrageenan
MARINE GUMS
ex. guar, locust bean, psyllium
SEED GUMS
ex. pectins
PLANT EXTRACTS
ex. hetastarch, carboxymethylcellulose, ethylcellulose, hydroxypropyl methylcellulose, methylcellulose, oxidized cellulose
STARCH AND CELLULOSE DERIVATIVES
ex. dextrans, xanthan
MICROBIAL GUMS
TRAGACANTH
Scientific Name:
Astragalus gummifer
Family:
Leguminosae
Content: _____ (water-insoluble),_____ (water-soluble)
bassorin, tragacanthin
in water forms a gel
Bassorin
forms a colloidal solution and is used as a stabilizer for ice cream.
tragacanthin
tragacanth Uses:
suspending agent, emulsifying agent, as an adhesive, demulcent, emollient
ACACIA
Scientific Name:
Acacia senegal
Family:
Leguminosae
Content:
arabin, enzymes
is complex mixture of Ca, Mg, & K-salts of Arabic acid (is a branched polysaccharide)
Arabin
acacia Uses:
emulsifying agent, suspending agent, emollient, demulcent, as an adhesive and binder in tablet granulation.
Other name of acacia is
gum arabic, gum senegal, sudan gum arabic
is the major producer of gum cracks that are produced in the tree and are called exudes.
Sudan
Gums is collected by natives from_____year old trees or they make an incision on the stem/branches.
6-8