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    การผลิตและสมบัติของเจลาตินและเจลาตินไฮโดรไลเสตลดกลิ่นคาวจากหนังปลากะพงขาว

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    Thesis (Ph.D., (Food Science and Technology))--Prince of Songkla University, 201

    Characteristics and Gel Properties of Gelatin from Skin of Asian Bullfrog (Rana tigerina)

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    Characteristics and gel properties of gelatin from frog skin as influenced by extraction temperatures (45-75 A degrees C) were investigated. Yield of gelatin increased as the extraction temperature increased (P 0.05). Gelling and melting temperatures of frog skin gelatin were 23.47-24.87 and 33.22-34.66 A degrees C, respectively. Gels became more yellowish with increasing extraction temperatures (P < 0.05). All gelatin gels were sponge or coral-like in structure but varied in patterns as visualized by scanning electron microscopy (SEM). Gelatin from frog skin could be used as a replacement for land animal counterpart
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