Blueberries, lokacin da cikakke cikakke kai a kan launi mai zurfi mai launin shudi-indigo, bayan canzawa daga kore kore zuwa launin ruwan hoda. Blueberries ne na musamman a cikin duniya abinci a cikin cewa akwai kawai kadan gaskiya abinci blue a can.
To, me ya sa blueberries blue?
Fata na blueberry an cika tare da kwayoyin halitta samar da sunadaran da ake kira anthocyanins. Naman na Berry shine ainihin hauren hauren giwa, launi mai launi.
Shine fata kawai wanda ke da wannan zane na halitta, amma lokacin da pericarp ya ragargaza anthocyanins ya shiga cikin lalacewar lalacewa kuma ya lalata su.
Kalmar anthocyanin ta zo daga Girkanci ἀ νθός (anthos) , ma'ana flower; da kuma kwarjin (kyanos) , ma'anar blue. Anthocyanins sune alamu na halitta wanda ke gudana daga cikin duhu, zuwa blue, zuwa indigo, da kuma mai zurfi mai zurfi dangane da matakin acidity na pigment kanta. Matsayin pH yana gudanar da gamut a cikin anthocyanins, da ƙananan tsarin pH din da za'a iya samun pigments, amma idan ya kara yawanta shi ne daga ja, zuwa purple, zuwa blue, zuwa kore sannan kuma rawaya.
A lokacin da aka daɗe ko dafa shi, haɓakar sinadaran ya faru kuma karfin pH ya karu, saboda haka dalilin da ya sa berries sunyi zurfin indigo ko launi mai laushi kamar yadda ya saba da kasancewa a cikin rawarsu, mai launin shudi.
Ana tsammanin cewa wannan launi na ja zuwa launi mai laushi shi ne dacewar juyin halitta wanda tsire-tsire ke bunkasa a matsayin hanya don jawo hankalin dabbobi.
Nazarin ya nuna cewa yawancin kwari da tsuntsaye suna janyo hankulan wadannan launuka kuma zasu iya ziyarci tsire-tsire masu nuna su a matsayin hanyar karfafawa ta hanyar dabbobi ta dabbobi. Amma ga 'ya'yan itace irin su blueberries, cranberries, da blackberries - duk masu arziki a cikin anthocyanins - wasu masanan kimiyya sun gaskata cewa launuka suna ja hankalin dabbobi da zasu ci' ya'yan itace sannan su sanya tsaba akan sababbin wurare bayan narkewa.
Anthocyanins ba su da wani dandano, amma suna samar da wani abu ne kawai ko kuma mai ɗanɗanawa zuwa abinci.
Akwai wasu bincike da ke nuna amfani da su wajen kawar da radicals free daga jiki azaman antioxidants. Duk da haka, wasu mahaukaciyar antioxidant suna samuwa a mafi yawa a yawancin abincin da ke cike da anthocyanins maimakon ƙananan ƙwayar abinci.
M abinci yana da anthocyanins:
- Tumatir
- Blueberries
- Blackberries
- Raspberries
- Rhubarb
- Currants
- Cherries
- Açaí
- Red kabeji
- Eggplant
- Jirgin jini
Anthocyanins ma suna da alhakin sauya launi a cikin ganye a lokacin fall. Lokacin da yanayin ya fi ƙarfin, ganye zai fara samar da manyan matakan anthocyanins lokacin da sutura a cikin ganyayyaki ya fara lalacewa masu sukari. Wannan tuba na sukari yana faruwa ne saboda ƙananan matakan phosphate. Wannan ragowar phosphate ya faru ne lokacin da itacen ya fara shawo kan phosphate daga ganye zuwa cikin mai tushe da rassan a matsayin hanyar kare kansa daga yanayin sanyi mai zuwa.