Mitengo ya Eucalyptus ndi mitundu yosiyanasiyana ya mitengo ndi zitsamba m'mudzi wa myrle, wotchedwa Myrtaceae. Mitengo ya eucalyptus, yomwe imachokera ku Eucalyptus , Corymbia kapena Angophora genera, nthawi zina amatchedwa mitengo ya gamu . Izi kawirikawiri zimapereka kwa anthu kuti chingamu chomwe amacheka chikhoza kubwera kuchokera ku mitengo iyi. N'zochititsa chidwi kuti koala ena amadya mitundu yochepa chabe ya masambawa, ndipo masamba ambiri ouma ndi mafuta ndiwo amagwiritsidwa ntchito popanga mankhwala.
Gum a Chewing ndi Mitengo ya Gum
Malinga ndi Kampani ya Ford Gum, nsomba zamakono zimapangidwa ndi chizungu, chifuwa chachibadwa, kapena latex yopangidwa ndi anthu. Zida zina zopangidwa ndi anthu zimaphatikizidwa pa chidziwitso chabwino cha kusaka. Ngakhale kuti chingamu chamakono cha ku America sichichokera ku mitengo yamtengo wapatali, mukhoza kuyesa utomoni wa eukalyti mukapeza imodzi mwa mitengoyi.
Palinso Kino, dzina la zomera zomwe zimapangidwa ndi zomera ndi mitengo kuphatikizapo Eucalyptus. Zimapanga mtundu wofiira womwe umatulutsa kwambiri, kumene umatcha dzina lakuti "gamu wofiira" ndi "mtengo wa magazi." Mtundu woterewu umagwiritsidwa ntchito pa mankhwala, khungu, ndi utoto, koma osati monga kutafuna chingamu. Komabe, idagwiritsidwa ntchito ngati mankhwala a chikhalidwe pa matenda ndi kutsekula m'mimba.
Mbiri ya Gum Tree Kudula
Pakhala pali zinthu zambiri zomwe zafunidwa zaka mazana ambiri. Mwachitsanzo, anthu a Aboriginal ku Australia ankafunafuna mitengo yambirimbiri. Imodzi mwa mitundu yoyambirira ija inachokera ku mtengo wa mastic ( Pistacia lentiscus ) ku Ulaya, ndipo Achimereka Achimwenye anayesa mitengo ya spruce .
Komanso, mitengo ya birch ndi mtengo wa pine , pakati pa ena, inkafunsidwanso m'mbiri yonse.
Ku South America, iwo ankayesa chizungu, chomwe chinali mtengo wa sapodilla ( Manilkara zapota ). Pambuyo pake kagulu kameneka kamagwiritsidwa ntchito kuti apange nsabwe zoyambirira zopangidwa ku United States, monga Chiclets. Parafini sera nthawi zina amagwiritsidwanso ntchito popanga chingamu.
Gum ndi Kutsatsa
Malinga ndi Smithsonian.com, anthu ambiri a ku America ankafufuza matabwa 105 pachaka m'ma 1920. Zonsezi zinayamba pamene woyambitsa wa America Thomas Adams Sr. amagwiritsira ntchito zinthu zamagetsi ngati mankhwala, monga mphira, asanayambe ndi kuupukuta mu zidutswa za ching'ombe. Iwo mwamsanga anagulitsa m'misika yosungiramo mankhwala, kotero iye anayamba kupanga izo, zomwe zinayambitsa kupanga kwakukulu kwa malonda kumapeto kwa zaka za 1880. William Wrigley adayambanso kupanga malonda pa nthawi yomweyo, yomwe idagulitsa chingamu chaulere ndi ma sopo. Atazindikira kuti anthu amafuna masamu kuposa sopo, adayang'ana pa malonda a chingamu, amamulola kuti akhale mmodzi mwa anthu olemera kwambiri mu dzikolo mu 1932, pamene mwatsoka, adamwalira.
Kuyesa kutentha kwa mitengo sikuchitika masiku ano, pang'onopang'ono chifukwa chosatheka kukolola. Izi zimapangitsanso mavuto a zachilengedwe, monga mitengo ya sapodilla imatha, zomwe zimapangitsa kuti nkhalango ziwonongeke. M'malo mopha mitengo yathu, oyendetsa gum opanga akhala akugwiritsa ntchito zida zoyambira kuyambira m'ma 1980. Mafuta, sera, ndi zipangizo zina ndizofala, zomwe zimasungiranso ndalama.