Amafutha asetyenziswa ngokuqhelekileyo kunye nezibonelelo zawo
Ioyile ezidliwayo zichazwa nguRhulumente wase-Ontario, eCanada " njengento yokutya, ngaphandle kwemveliso yobisi, nokuba yintoni na imvelaphi, umthombo okanye ukubunjwa okwenzelwe ukusetyenziswa komntu ngokupheleleyo okanye inxalenye kwioli okanye ioli ngaphandle kobisi . " I-FDA yase-US ayiniki inkcazelo yeoli edayiweyo kwiwebhusayithi yazo.
Amafutha afumanekayo atywalayo aqukethe ama- acidi carboxylic ngeetoni ezininzi ze-hydrocarbon , ngokungafani neoli ye-petroleum-based engenayo i-carboxyl iqela ekupheleni. Iqela le-carboxyl lenza ii-oyile zidliwayo, zinika indawo ye- enzymes yethu ukuhlasela nokudiliza ikhonkco kwinkqubo ebizwa ngokuba yi- beta-oxidation . Ubude beetyunyudi ze-hydrocarbon kunye nokuba zizaliswe okanye zingekho , okanye zingasetshenziswanga kwi- cis okanye i- conformation conformation , zibonisa ukuba zilula kangakanani ziququzelelwe kunye nokuba ziphilile okanye ziphilile ziyingxenye yokutya kwethu.
Ziziphi ii-Oil Inedible?
I-oyile ezidliwayo, ngokuqinisekileyo, zahlula kwii-oil ezingenayo i-petroleum e-petroleum-based products (i-petroli, ioli yamafutha kunye nemveliso ehambelana nayo.) Iindidi ezahlukeneyo zokugcoba kunye ne-lubricant nazo zingathathwa njengamafutha angenakwenzeka. i-oyile esekelwe kubantu-kodwa incedo kakhulu kwezinye iinjongo (ngokukodwa njenge-biofuels).
Ezi ziquka (phakathi kwabanye) i-jatropha, i-Karanja, mahua, i-linseed, imbewu ye-rubber, i-cottonseed kunye ne-neem neem.
Ziziphi iiOyili eziTywayo eziqhelekileyo ezisetyenziswayo?
Nangona kukho iindidi ezininzi zeoyile ezidliwayo, i-handful yenza ipesenti enkulu kakhulu yokuveliswa kweoli yehlabathi. Zonke ezi zi-oyile zingasetyenziselwa ukupheka, kodwa zisetyenziselwa njenge-biofuel.
- Ikhokoni yeoli
- Ioli yendawo
- Ioli yekholethi
- I-oyile ye-olivu
- Ioli ye Palm
- Ioli yePeanut
- Ioli e-Rapeseed / canola
- Ioli ye-Safflower
- I-oil yeSesame
- Ioli yesoyiya
- Ioli yelanga
Ziziphi iioli ezidliwayo eziLungileyo kunokusetyenziswa kwabantu?
Iifowuni ezidliwayo zinokuphulwa kumaqela amakhulu amathathu: i-oil, monounsaturated, kunye ne-polyunsaturated oil. Kulula ukwahlula phakathi kwala maqela:
- Amafutha anelisekile aqinile kwiqondo lokushisa; Oku kuchaza ukuncishiswa, i-margarine kunye namanye ambalwa amafutha adliwa ngokuqhelekileyo.
- Amafutha aseMonounsaturated ayenamanzi kwiqondo lokushisa kodwana aqala ukuqiniswa kwiqrijini. Ezi ziquka ioli yomnquma kunye neoli ye-peanut.
- Amafutha e-Polyunsaturated ahlala ehlaziyekileyo ngexesha lokushisa kwamagumbi okanye xa epholile. Ezi ziquka i-canola, i-sunflower, kunye namafutha ase-walnut (phakathi kwabanye).
Amafutha anelisiweyo anqatshelwe ukuba ayimpilo ngenxa yokuba anokufaka isandla kwizinga eliphezulu ze-cholesterol kunye nesifo senhliziyo. Ngaloo ndlela, ioli kunye ne-polyunsaturated oils ngokuqhelekileyo yinto ekhethekileyo kwimpilo yonke.
Ukongezelela kwezi ngqalelo, kunceda ukwazi ukuba ii-oyile ezithile zinika izondlo ezibalulekileyo. Umzekelo:
- Ioli e-Olive iphakamileyo kuma-antioxidants, enokubangela intliziyo kwintliziyo;
- Ioli ye-Walnut iqulethe i-Omega 3 ifatshi engenza igalelo le-cholesterol ephantsi;
- Ioli echitshiweyo iphezulu kwi vithamini C.