Brookfield LFRA Texture Analyzer Manual de usuario descargar pdf (Pagina 22)

Brookeld Engineering Labs., Inc. Page 22 Manual No. M/05-370-B0507

  Sampleconditionswhichwilleffectresultsgenerated:

1. Fat content

2. Protein content

3. pH

4. Set/Stirred product

5. Syneresis and surface characteristics

6. Presence of inclusions e.g. fruit

RELATED TESTS: 45°conepenetrometertestutilizingholduntiltimefunctiontodetermine

relaxation.

BIBLIOGRAPHY AND REFERENCES:

Anon. 1988. Facts About Yogurt. National Dairy Council, London.

Anon.1996.Yogurt:ATechnicalProle.NationalDairyCouncil,EducationDepartment.

Bylund, G. 1995. Diary Processing Handbook. Tetra Pak Processing Systems AB, Sweden.

Prentice, J. 1992. Dairy Rheology A Concise Guide. VCH Publishers, USA.

Tamime, A. and Robinson R. 1985. Yogurt Science and Technology. Pergamon Press Ltd., Oxford.

Varnam. A. and Sutherland, J. 1994. Milk and Milk Products - Technology, Chemistry and Microbioogy. Chapman and Hall,

Great Britain.

V.2 A Comparison of the Textural Characteristics of Biscuits (Cookies)

PRODUCT: Biscuits

OBJECTIVE: To compare the textural characteristics of the two different types of biscuit

whileutilizingparametersgeneratedusingpenetrationtest.

BACKGROUND: The textural characteristics of hydroscopic foods (those which take up

water from the atmosphere) such as biscuits is of critical importance in the

assessment of their quality. The hardness of a sample is indicative of its

freshness, while the crispiness parameter evaluated within this investiga-

tion,characterizesitsinnercrumbstructureandbakecharacteristics.

The test may be employed as part of any quality control procedure, wheth-

er that is to evaluate staling of product life, bake characteristics through

quanticationofhardnessatdifferentpointswithinthebiscuitscircumfer-

enceoranyotherapplicationspecictoyourorganization.

LFRA SETTINGS: MODE: Measureforceincompression

  PLOT: Final

  OPTION: Normal

  TRIGGER: Auto4gstandards

  DISTANCE: 3mm

  SPEED: 0.5mm/s

PROBE REF: 2mmstainlesssteelcylinderprobe(REF:TA39)

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Brookfield LFRA Texture Analyzer Manual de usuario Pagina 22