Tragacanthus chingamu (Tragacanth, Gummi Tragacanthae, tragacanthus, E413) - stabilizer; chingamu chowuma chotuluka kuchokera ku tsinde ndi nthambi za chitsamba chaminga cha astragalus tragacanthus.
Magwero a chingamu malonda ndi 12-15 mitundu. Madera okolola mwachikhalidwe ndi mapiri apakati ku Southeastern Turkey, Northwestern ndi Southern Iran. M'mbuyomu, kukolola kunkachitika m'mayiko a Transcaucasia ndi ku Turkmenistan (Kopetdag). Zonse zachirengedwe zotuluka ndi zotuluka zochokera kuzinthu zapadera zimasonkhanitsidwa.
Pali mitundu iwiri ya nkhama ya tragacanthus pamisika yaku Europe: Persian tragacanthus (nthawi zambiri) ndi Anatolian tragacanthus. M'malire a Pakistan, India ndi Afghanistan, chingamu chotchedwa Chitral chingamu chimapezedwa.
Tragacanthum chingamu imagwiritsidwa ntchito muzamankhwala pokonzekera kuyimitsidwa, monga maziko a mapiritsi ndi mapiritsi. Amagwiritsidwanso ntchito pokonzekera confectionery mastic kuti mphamvu ya misa.