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q determine the fat content in the given sample of milkafter undertaking this activity you will be able tobull explain the technique of
define most probable number mpn methodthe mpn method is like agar shake tube method where no agar is used the dilutions of the microbial suspension
define the agar shake tube methodthe agar shake tube method is useful for isolation of anaerobic microorganisms what are anaerobic microorganisms you
explain the disadvantages of colonies obtained at different dilution1 heat sensitive microorganisms may be damaged by melted agar giving low viable
determine the physical characteristics and presence of any additives in the given samples of milk after undertaking this activity you will be able
define advantages of colonies obtained at different dilution1 as colonies grow both on the surface and beneath the agar surface so aerobes
q evaluate precentage proteins in milk milk comprises of casein lactoalbumins and lactoglobulins about 82 per cent of the protein in milk is casein
q what do you mean by solids non-fatsolid non-fat is an important criterion of milk selection for further processing milk solids non-fat would
q evaluate total solids in milktotal solids determination is a common procedure in many manufacturing plants using dairy products the total solids
explain the pour plate methodisolated colonies can also be obtained by pour plate method the method involves mixing of small volume of microbial
q evaluate percentage fat content in milkthe fat content in milk can be determined through various procedures asdirect determination of fat by
q basic tests for milk analysisthe federation rampd has developed these tests stepwise and these should be done in the same sequence along with the
explain advantages and disadvantages of spread plate methodthe advantages and disadvantages of spread plate method are highlighted
q evaluation of milk samplesmilk is one of the most common articles of food throughout the world it is regarded as a complete food why simply because
define the streak plate method - pure culture techniquesthe method was developed by loeffler and gaffkey in the laboratory of robert koch the streak
q detect the presence for sesame oil and linseed oilto detect the presence for sesame oil linseed oil argemone oil mineral oil and hydrocyanic
explain the plating method - pure culture techniquesplating method is one of the commonly employed methods for getting a pure culture the
what are pure culture techniquesmicroorganisms can be isolated from various natural environments like soil food water sewage decomposing matter and
q determine the peroxide value in the of fatafter undertaking this activity you will be able tobull determine the peroxide value in a given sample
explain pure culture techniqueswe learnt the techniques involved in sub-culturing ie the process involved in transfer of culture from one medium to
explain the precautions for sub-culturing of a culture1 sterilization of inoculating wire before and after the transfer is a must sterilized wire
explain procedure for sub-culturing of a culturenow carry out the exercise following the steps given herewith1 sterilize the inoculating loop and
explain transfer from solid culture to liquid mediathe steps involved in this technique are included herewith1 sterilized inoculating loop or needle
q determine the acid value and free fatty acidsthis activity will help you tobull know the acidity in given sample of fatoil andbull determine the
explain the transfer from liquid medium to solid mediahere the steps involved include1 inoculating loop is sterilized by incineration and allowed to