The Questions
Food grade liquid parafin is also referred to as? White Oil Black oil Petroleum Glycerol
Mineral Oils are used to lubricate bread dividers because they are not subject to oxidation and rancidity. oxidise well and leave a sticky film. support the growthe of bacteria and fungi. are inexpensive and more economical.
Essential oils are edible aromatic oils and highly volitle. hydrocarbon based and easily digestable. also referred to as fixed or greasy oils and are animal based. A by product of the coal industry.
The physical properties of fixed or greasy oils is determined by the chemical properties of the glycerine and fatty acids. the number of hydrocarbons present. it's ability to evaporate easily. the source of the fat and oil.
A fixed or greasy oil refers to fats and oils which are of animal and vegetable origin. vegetable origin only. animal origin only. marine based animal origin only.
Which of the following statements is false? There is a chemical difference between a fat and an oil. fish and marine animals are a main source of edible fat. Three fats derived from animals include lard, suet and butter. Oil is normally liquid at 15 degrees celcius.
Which of the following statements is true? Hydrogenation of particular oils will turn them into a fat. Margarines are 100 percent refined fat and oil. Shortenings are 85 - 90 percent refined fat and oil. Shortenings and margarines both contain water.
Which of the following is not a functional effect of fat in bread? The slicing quality of the bread is reduced with the addtion of a fat. Fat can improve the crumb texture, grain and shelf life of the product. Adding 1-2 percent fat can assist in increasing the volume of a baked loaf. Fat has a shortening effect on the crust character by reducing toughness.
Hydrogenation of a vegetable oil will result in? The vegetable oils physical properties change to those of a fat. The physical properties of the vegetable oil remain unchanged. The vegetable oil will become unpalatable. The oil will no longer be able to lubricate the gluten structure.
Canola oil is used in bread production because it contains? Canola oil contains very little cholesterol. High levels of saturated fat. A natural marine oil low in cholesterol. essential oils which provide a better aroma on the finished loaf.

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