GuzobereSayensị

Mmanya na-gbaa ụka

Egbu gbaa ụka bụ ihe ndabere maka dị iche iche nri ọrụ - brewing, wine Ndinam, mmanya mmepụta. Usoro a bụ ihe dị mkpa n'ime achịcha, imewe nke fermented mmiri ara ehi, dietary ngwaahịa. Egbu gbaa ụka nke carbohydrates bụ ịkwaga n'ime carbon dioxide, ethanol na ndị ọzọ na mmiri. Na usoro nke anaerobic Ihere ihe mgbagwoju bekee ka mfe ume tọhapụrụ.

Microorganisms-activators nke usoro a bụ yist, na-emekarị nke genus saharomitses. Na ụfọdụ gburugburu mmanya gbaa ụka ahụ pụrụ ịkpata ụfọdụ dịkwa ka usoro ha na bacteria. Kpọmkwem imetụta yist ibu usoro setịpụrụ Pasteur. Buchner gasịrị, Liebig na Lebedev gosipụtara na mmanya na-gbaa ụka kwere omume na-enweghị ha (yist) òkè, ma ọ bụ ọbụna na-enweghị ojiji nke cell-free enzymatic mmiri ewepụtara ha. Njirimara nke ụfọdụ pathogenic microorganisms ibibi ndị ma ọ bụ ndị ọzọ carbohydrates kpụrụ ihe ndabere maka usoro nke na-eto eto ọnụ ọgụgụ nke nje na omenala njirimara nke pathogenic mmadụ.

Ugbu a doro na carbohydrate ntughari ka ndị ọzọ mmiri na-anọchi anya na ọnụ ọgụgụ nke redox na ndị ọzọ na Jeremaya mere nke-ebe sequentially. E nwere dị iche iche nke gbaa ụka. Site n'enyemaka nke yist kacha usoro pụtara na mfe shuga n'ókè - fructose na glucose.

Nke ikpeazụ ihe dị mkpa karịsịa. Ya mere, mgbe sauerkraut, mmiri ara ehi, kukumba na-aga lactic gbaa ụka nke glucose. Otu usoro pụtara na silage. Ọ bụrụ na uka nke silage akara ezuru, ikuku penetrates. Mmụọ amalite butyric acid gbaa ụka. Dị ka a N'ihi nke a usoro, na ndepụta na-aghọ unusable.

Mgbe mmepụta nke biya a na-eji mmanya na- gbaa ụka nke glucose.

Maltose, sucrose nwekwara ike doro usoro. Nga bụ ha hydrolysis eji yist. N'ihi ya kpụrụ monosaccharides.

Lactose (mmiri ara ehi sugar) nwere ike doro mgbaze naanị ụdị ụfọdụ nke yist.

Glycogen, starch na ndị ọzọ carbohydrates na a ihe mgbagwoju Ọdịdị na-adịghị doro usoro. Na mbụ ha na-ata enzymatic ma ọ bụ acidic hydrolysis usoro. Dị ka a N'ihi ya, ha ejighi ha kwụsie ike na-emetụta yist.

Yeasts onwe ha bụ ndị ezi ọsọ ihe na uwa. Ha na-hụrụ na tomato, mkpụrụ osisi, mkpụrụ vaịn. N'oge okpomọkụ, ha na-agbasa na ikuku na ala.

Yist ekewa ọhịa na cultured. The oku ikpeazụ dị otú ahụ bekee nke nwere oru ngwa dị ka àgwà ma ọ bụ ndị ọzọ mma. N'ihi ya, ihe atụ, na-eji na itiwapụ bekee nwere ike dokwuo anya biya, si otú na-enye ya obi ụtọ flavor na uto. Grape jijiji na-etolite a pụrụ iche bouquet. Ọka yist jiri kpọrọ maka na ha nwere ikike ịmụba ifịk ifịk nakwa dị ka Njirimara nke mgwakota na-ọma esighi ike. Wild otu bekee nwere ike fermentative ike. Ha na-etolite mmiri na-enye adakọ isi na uto.

The usoro nke n'ịtụgharị sugar n'ime carbon dioxide, ethanol ndị ọzọ mmiri bụ nnọọ ihe siri ike. Ọnụ na ndị a bekee na gbaa ụka na-esonyere guzobe ọzọ site-ngwaahịa. Karịsịa, ụfọdụ olu kpụrụ acetic acid na succinic acid, acetaldehyde, glycerol. Kpụrụ dị ka fusel mmanụ. A mmiri bụ mixtures nke isomers nke elu alcohols: butyl, isobutyl, amyl, na ndị ọzọ. Ke adianade do, n'ụdị bekee nke, ọbụna nkeji ichekwa nwere ike imetụta flavor, inye a kpọmkwem uto na biya, wine na ndị ọzọ na ngwaahịa.

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