Compressive Characteristics of Freeze‐Dried Agar and Alginate Gel Sponges

A. Nussinovitch; R. Velez‐Silvestre; M. Peleg

doi:10.1021/bp00019a015

Compressive Characteristics of Freeze‐Dried Agar and Alginate Gel Sponges

A. Nussinovitch
, R. Velez‐Silvestre
, M. Peleg^*

^*Corresponding author for this work

Institute of Biochemistry, Food Science and Nutrition

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Mechanically stable solid sponges can be produced by freeze drying 2 % agar and 1 % alginate gels. The sponges have characteristic compressive stress‐strain curves that can be described by a three‐parameter model originally developed for polymeric sponges and bakery products. Internally produced bubbles, formed by immersing bicarbonate‐containing gels in an acid bath, resulted in a considerable loss of mechanial integrity in the dry agar sponges but not in those of the alginate.

Original language	English
Pages (from-to)	101-104
Number of pages	4
Journal	Biotechnology Progress
Volume	9
Issue number	1
DOIs	https://doi.org/10.1021/bp00019a015
State	Published - 1993

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abstract = "Mechanically stable solid sponges can be produced by freeze drying 2 \% agar and 1 \% alginate gels. The sponges have characteristic compressive stress‐strain curves that can be described by a three‐parameter model originally developed for polymeric sponges and bakery products. Internally produced bubbles, formed by immersing bicarbonate‐containing gels in an acid bath, resulted in a considerable loss of mechanial integrity in the dry agar sponges but not in those of the alginate.",

author = "A. Nussinovitch and R. Velez‐Silvestre and M. Peleg",

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AU - Nussinovitch, A.

AU - Velez‐Silvestre, R.

AU - Peleg, M.

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N2 - Mechanically stable solid sponges can be produced by freeze drying 2 % agar and 1 % alginate gels. The sponges have characteristic compressive stress‐strain curves that can be described by a three‐parameter model originally developed for polymeric sponges and bakery products. Internally produced bubbles, formed by immersing bicarbonate‐containing gels in an acid bath, resulted in a considerable loss of mechanial integrity in the dry agar sponges but not in those of the alginate.

AB - Mechanically stable solid sponges can be produced by freeze drying 2 % agar and 1 % alginate gels. The sponges have characteristic compressive stress‐strain curves that can be described by a three‐parameter model originally developed for polymeric sponges and bakery products. Internally produced bubbles, formed by immersing bicarbonate‐containing gels in an acid bath, resulted in a considerable loss of mechanial integrity in the dry agar sponges but not in those of the alginate.

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Compressive Characteristics of Freeze‐Dried Agar and Alginate Gel Sponges

Abstract

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