Uninzi lweeoyile ezibalulekileyo zifumaneka nge-Steam Distillation. Ngale ndlela amanzi abiliswa ebhodweni, kwaye umphunga uhamba phakathi kwezinto zesityalo ezixhonywe ngaphezulu kwembiza yamanzi, uqokelele ioyile uze udlule kwi-condenser eguqula umphunga ube ngamanzi. Imveliso yokugqibela ibizwa ngokuba yi-distillate. I-Distillate ine-hydrosol kunye neoyile ebalulekileyo.
Iioyile ezibalulekileyoIioyile ezisetyenziswa njenge-ethereal okanye iioyile eziguquguqukayo, zizinto ezithambileyo ezixutywe ne-hydrophobic volatile liquid ezithathwe kwizityalo. Iioyile eziyimfuneko zikhutshwa kwiintyatyambo, amagqabi, iziqu, amaxolo, imbewu okanye iingcambu zezihlahla, amahlathi, izityalo kunye nemithi. Iioyile eziyimfuneko ziqulathe ivumba okanye i-essence yesityalo ekhutshwe kuso.
Ngamanye amazwi, ioyile ebalulekileyo yi-essential ephuma kwiintyatyambo, iipetali, amagqabi, iingcambu, ixolo, iziqhamo, iiresini, imbewu, iinaliti, kunye namasebe esityalo okanye umthi.
Iioyile ezibalulekileyo zifumaneka kwiiseli ezikhethekileyo okanye kwiindlala zezityalo. Zizo ezibangela ivumba elithile kunye neencasa zeziqholo, imifuno, iintyatyambo kunye neziqhamo. Kuyathakazelisa ukuqaphela ukuba ayizizo zonke izityalo ezinezi zinto zinuka kamnandi. Okwangoku, malunga ne-3000 yeeoyile ezibalulekileyo zaziwa, apho malunga ne-300 kuzo zithathwa njengezibalulekileyo kurhwebo.
Iioyile ezibalulekileyo ziyaguquguquka kwaye ziyaphela ngokukhawuleza xa zibekwe emoyeni. Uninzi lweeoyile ezibalulekileyo azinambala ngaphandle kwezimbalwa ezifana neoyile ebalulekileyo yesinamoni ebomvu, i-chamomile eluhlaza okwesibhakabhaka kunye neoyile ebalulekileyo yomhlonyane eluhlaza okwesibhakabhaka. Ngokufanayo, uninzi lweeoyile ezibalulekileyo zikhaphukhaphu kunamanzi ngaphandle kwezimbalwa ezifana neoyile ebalulekileyo yesinamoni, ioyile ebalulekileyo yegalikhi kunye neoyile ebalulekileyo yealmond ekrakra. Iioyile ezibalulekileyo zihlala zimanzi, kodwa zinokuba ziqinile (orris) okanye zibe ziqinile ngokweqondo lobushushu (rose).
Iioyile ezibalulekileyo zinobume obuntsonkothileyo kwaye ziqulathe amakhulu eekhemikhali ezahlukeneyo nezikhethekileyo kuquka iialcohols, iialdehydes, ii-ethers, ii-esters, iihydrocarbons, iiketones, kunye neephenols zeqela le-mono- kunye ne-sesquiterpenes okanye iiphenylpropanes kunye nee-lactones kunye neewaxes ezingaguqukiyo.
Ixesha lokuthumela: Meyi-07-2022