An ice cream laboratory guideFisk, W. W. (Walter Warner)
Science
An ice cream laboratory guide
Fisk, W. W. (Walter Warner)
Ice cream, ices, etc.
It may be more advantageous to use the Cornell score card in the
Laboratory because immediate results can be obtained, while with the
modified Wisconsin score card bacterial counts must be made of the ice
cream, so that it would be two to three days before the final score of
the ice cream could be obtained.
DISCUSSION OF QUALITIES OF ICE CREAM
_Flavor._ The ice cream should have a pronounced flavor which will
blend with the flavor of the cream to give a clean, desirable typical
flavor.
_Body and Texture._ The body should be firm and mellow. It should not
be tough or rubbery neither soft or mushy. The texture should be smooth
and velvety and entirely free from graininess and lumpiness.
_Richness._ If the ice cream meets the legal requirements, it should
be given a perfect score. If it falls below the legal requirement, it
should be scored zero.
_Appearance._ The ice cream should have an attractive appearance and be
of the characteristic uniform color.
_Package._ The package should be neat and clean and, if for long
shipment, some provision should be made to protect the ice on top of
the packing tub.
_Bacterial count._ An ice cream which has a count of 20,000 should be
considered perfect. For each increase of 20,000 above this one point
should be deducted from the score.
_Application of score card._ When judging samples of ice cream, it is
best to try some of them to obtain some idea of the qualities of the
samples to be scored. This is necessary so that the score will not run
above 100 and to set a standard. Then with a definite standard in mind,
the samples may be carefully scored. The cuts in score should be made
in proportion to the quality of the ice cream and the definite standard
in mind.
EXERCISE NUMBER XX
JUDGING PLAIN ICE CREAM
Score and criticize the samples of plain ice cream recording the scores
on the opposite page. (For score card see page 64.)
One sample will first be scored by the instructor as an example and
guide to the severeness of the cut for different defects. After the
students have finished, he will score the remaining samples with them.
Three of the samples are ice cream made in the college laboratory. The
others are purchased and represent well known commercial ice creams.
After scoring on all other points make a fat test of each sample. (See
page 14.)
EXERCISE XX REPORT
LEGEND:
A = Student’s Score
B = Corrected Score
C = Body and Texture
D = Color and Appearance
E = CRITICISMS
Score card used______________________ Date_________________________
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