Changes in Breaking Properties of Commercial Confectionery with moisture absorption and their Factors.

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  • 吸湿による市販菓子類の破断特性値の変化とその要因
  • キュウシツ ニ ヨル シハン カシルイ ノ ハダントクセイチ ノ ヘンカ ト ソノ ヨウイン

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Abstract

The effects of absorbed moisture on textural properties were studied with twenty-seven kinds of commercial confections made from different starch ingredients (i.e., wheat, corn, potato and rice) and natural fried chips made of potato, fruits and vegetables.<BR>(1) On moisture absorption at R.H. 43-97%, the initial elastic modulus of all the test samples decreased with increasing absorbed moisture.<BR>(2) Changes in the maximum breaking force and breaking energy began to occur at R.H. 43-56%, and these characteristic breaking properties could be observed within R.H. 68-88%; some samples became softer and a lot of the other samples became harder at approximately 9-16g of water/100g of dry matter.<BR>(3) A high positive correlation between the breaking properties of samples under high moisture surroundings and their gelatinization characteristics was obtained.

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