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Investigating the effect of concentration

Investigating the effect of concentration. Objectives. Context. We will investigate the effect of papaya juice as a meat tenderiser . Papya juice and that of some toher frutis contains papain , an enzyme that tenderises ( softens ) meat . It is used commercially for this purpose

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Investigating the effect of concentration

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  1. Investigatingtheeffect of concentration

  2. Objectives

  3. Context • Wewillinvestigatetheeffect of papaya juice as a meattenderiser. • Papyajuice and that of sometoherfrutiscontainspapain, anenzymethattenderises (softens) meat. • Itisusedcommerciallyforthispurpose • We are goingtoinvestigtateconcentrationbydilutingthejuice. • Eachtablewill do itgivingusfourreplicates. • Whyisthisgood?

  4. Dilutions

  5. Instructions

  6. To test • Wewill test thetendernessnextclass • Wewill use a plasticknifeto try tocutit. • Wewillscaletoughness/tendernesssemi-quantitatively: seetable

  7. Resultstable

  8. Graph: Analysis and Evaluation • Plotyouraverage score on a graph • Remember TASK • ANALYSIS • Use the data in the table and in the graph to draw conclusions about the effect of papain on meat and how this is altered by changing concentrations. • Explainwhyyouthinkthishappened. • Isitwhatyouwouldhaveexpected? • Draw a conclusion • EVALUATION • Sayhowgoodyourresults are and explainwhy • Relate thistohowconfidentyou are in yourconclusion • Identifyproblemswiththe : results, method • Suggestsolutions.

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