Masiku ano, kutafuna chingamu wakhala akugwiritsidwa ntchito nthawi zambiri ndi anthu akuluakulu kuti ateteze mano ndi ukhondo wamkati, kuphatikizapo mano, mano a mano ndi mpweya wabwino. Gamu ndi "zolembera" zosawerengeka za munthu wamakono. Kutchuka kwa chewing chingamu ndipamwamba kwambiri, ngakhale kuti zinapangidwa zaka zingapo zapitazo. Ndizosangalatsa kudziwa kuti yoyamba kusuta zinamupangidwe pamaziko a sera ndi madzi a pinini. Kudula kutsekeka koteroko kunali kosangalatsa kwambiri, koma chingamuyiyi inali yothandiza kwambiri mano. M'chaka cha 1848, American John Curtis anayamba kupanga mafakitale a kutafuna chingamu. Imeneyi inali gulu losungunuka lapine resin. Kutchuka kwake kunali kochepa, chifukwa pine resin ili ndi zosafunika zambiri, zosasangalatsa kwambiri ku kukoma.
Msuzi wamakono wamakono unapangidwa pa December 28, 1868 ndi American William Sample. Linapangidwa ndi mphira ndi zowonongeka, chifukwa cha kukoma kwake kunakhala kosangalatsa kwambiri. Chitsanzocho, komabe, sichinapangitse kutafuna chingamu. Koma posachedwa "bizinesi" bizinesi inatsegulidwa ndi Thomas Adams - mu 1969. Chifukwa cha ichi, adagula kuchokera ku pulezidenti wakale wa Mexico tani ya raba. Ogulira ankakonda kuyesa chemu Adams ndipo anali wolemera pa bizinesi yake, nthawi yaitali popanda kukhala ndi mpikisano. Mpikisano wopanga chingwe unakhazikitsidwa kumayambiriro kwa zaka za zana la 20, pamene kampani ya Wrigley inaonekera pamsika. Mbiri ya kampaniyi ndi yosangalatsa kwambiri. Woyambitsa kampani, William Wrigley, anali wogulitsa sopo. Atangozindikira kuti anthu amagula sopo m'sitolo yake osati chifukwa sopo ndi yabwino, koma chifukwa paketi ya sopo inaperekedwa ndi mphatso - mbale ya kutafuna chingamu. Pasanapite nthawi yaitali, Wrigley anapanga bwino kutafuna chingamu, chomwe chimatchuka masiku ano.
M'kupita kwa nthawi, kupanga utomoni wambiri kunapangidwa bwino: mawotchi osiyanasiyana, shuga awonjezeredwa. Gum anawonekera ndi ntchito zosiyanasiyana zochiritsira - kuchepetsa chimbudzi, kuthetsa kupweteka kwa mtima. Pasanapite nthawi panali chingamu chakufuna, chomwe chimateteza mano ku caries, amene analenga - Fran Kinning. Chinthu chodabwitsa kwambiri cha ana chinali chopopera ndi kutafuna chingamu mkati. Chochititsa chidwi: ma clove ndi timbewu timaphatikizapo kutafuna chingamu panthawi ya malamulo owuma ku America, pamene mpweya watsopano unakhala wamtengo wapatali ndipo unapatsa mbiri yowonjezera.
Pomaliza, mu 1928, wolemba mbiri wina wa zaka 23 dzina lake Walter Dimer anapanga njira yodabwitsa ya kutafuna yomwe ikufunikabe lero: mphira - 20%, shuga (kapena m'malo) - 60%, madzi a chimanga - 19%, zokoma - 1% . Dye lokha limene linali pafupi ndi dzanja la Dimer ndi lofiira, limene anagwiritsa ntchito, kuyambira pamenepo mtundu wochuluka wa kutafuna chingamu ndi pinki. Masamu a kutafuna a Dimer amatchedwa bulum gomamu, chifukwa amatha kutaya kwambiri, ndipo mavuvu amachotsedwa.
N'zochititsa chidwi kudziwa kuti ku Soviet Union anthu amadziwanso kupanga mfuti, komanso kunyumba! Yesani tsopano kunyumba. Kuti muchite izi, mukufunikira pulogalamu yamakono ndi mankhwala opumira. Mu kapu ya madzi ndi madzi otentha, perekani pulasitiki yosakanikirana ndi kuwiritsa kwa mphindi 10. Kenaka chotsani ndi kulekanitsa zitsulo kuchokera ku nsalu, ponyani mu mpira. Kenaka, tsitsani mpirawo m'madzi otentha, onjezerani 1. l. mankhwala opangira mankhwala, kuti mpirawo ulowetsedwa ndi zonunkhira. Pambuyo pa mphindi 15, mutha kukhetsa madzi ndikuyesani mankhwala ovomerezeka!