Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effects of Lysozyme, Clupeine, Sucrose, and Sodium Chloride on the Foaming Properties of Egg Albumen and Powdered Beef Plasma

Lysozyme, Clupeine, Sucrose 및 Sodium Chloride가 난백 및 분말 우혈장의 거품성에 미치는 영향

  • Published : 1995.02.01
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Abstract

This study was designed to elucidate the effects of lysozyme, clupeine, sucrose, and sodium chloride on the foaming properties of egg albumen and podered beef plasma. Surface tensions of egg albumen(5%, w/w) and powdered beef plasma(5%, w/w) adding to lysozyme, clupeine, sucrose, and sodium chloride were 46.8$\pm$0.379~52.4$\pm$ 0.404dyne/cm(control, 51.5$\pm$0.416dyne/cm) and 54.6$\pm$0.231~60.7$\pm$0.467dyne/cm(control, 53.9$\pm$0.153dyne/cm), respectively. Turbidities of the solutions were 77.0$\pm$0.058~97.9$\pm$ 0.058(control, 91.2$\pm$0.153) and 90.3$\pm$0.058~98.5$\pm$0.115 (control, 82.7$\pm$0.100), respectively. Surface hydrophobicities of the solutions were 524~811(control, 485) and 5102~ 7128(control, 4665), respectively. The solution with high hydrophobicity revealed good foaming properties. Analysis of egg albumen and powdered beef plasma foam by electrophoresis showed that lysozyme was retained for a long time in foam. The optimal concentraitons of lysozyme and clupeine for foaming properties were 0.5% and 0.3% in egg albumen(5%, w/w) and 0.5% and 0.5% in powdered beef plasma(5%, w/w), respectively. In case of egg albumen, sodium chloride dominantly enhanced the action of clupeine. The addition of 0.3% clupeine with sodium chloride(2.0M) to egg albumen(5%, w/w) increased overrun and foam stability by 119.5% and 70.9%, respectively. The addition of 0.5% clupeine to powdered beef plasma(5%, w/w) also increased overrun and foam stability by 43.7% and 127.3%, respectively.

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