Finals Flashcards
7 Meat preservation approaches:
(CFDSCSC)
1. Cold storage
2. Freezing
3. Dehydration
4. Salting
5. Curing
6. Smoking
7. Canning
causes of meat deterioration.
biological, chemical and physical forces
are brought about by microorganisms, flies, rodents, and cockroaches.
Biological spoilages
is a common chemical cause of meat deterioration. Oxidation of the fats causes rancidity while oxidation of myoglobin causes color darkening.
oxidation
are physical processes causing food deterioration. These two are expensive to minimize and impractical to completely stop or control.
Dehydration and enzymatic action
There are number of ways by which the shelf life of meat is lengthened:
cold storage, salting, canning, curing, drying, and smoking.
maybe divided into chilling and freezing.
cold storage
is subjecting meat to a temperature of 0◦ -4◦ C. in this process, the meat becomes cold but retains soft.
chilling
on the other hand, is cooling of meat below the freezing temperature. Neat juices start to harden when the temperature is lower than -30◦C.
freezing
is reducing its available water content. This can be done by withdrawing the water, or by binding the water, and making it unavailable for microbial growth.
dehydration
drying
This may be accomplished by the addition of common table salt, hypochlorites of calcium, and/or other salts.
salting
started as a method of meat preservation. However, as time went by, people developed the liking for cured flavor.
curing
This is the process of subjecting meat to the action of the smoke and heat generated by burning hardwood or sawdust.
smoking
This is a method where meat and meat products are preserved through reduction of microbial growth or inactivation of microorganisms by thermal process.
canning
Methods of heat treatment in order to achieve
- firm texture
- intensive curing colour
- microbiological stability for cold storage and
- palatability for consumption
heat treatments, usually carried out in three steps
reddening, smoking, cooking
After filling, the sausages are hung on sticks in a way that they do not touch each other, thus allowing for air circulation around the individual pieces.
reddening
After the sausages to be smoked have gone through reddening and developed a red curing color, the process of ___________ is initiated.
hot smoking
After the hot-smoking is completed or for un-smoked products after the reddening phase was initiated, the sausages are taken for further heat treatment (“cooking”, “scalding”) in order to achieve complete protein coagulation.
cooking
bind and protect delicateness of the sausage mixture. They also regulate the contraction and expansion of the sausage.
casings
are usually prepared from small intestines of hogs and ruminants. These are primarily for fresh sausages, frankfurters, and other similar products.
natural casings