Oxidized maize starch: characterization and its effect on the biodegradable films i. Characterization of maize starch oxidized by sodium hypochlorite

Dao Phi Hung, Truong Thi Nam, Mac Van Phuc, Nguyen Anh Hiep, Trinh Van Thanh, Nguyen THien Vuong
Author affiliations

Authors

  • Dao Phi Hung Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Truong Thi Nam Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Mac Van Phuc Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Nguyen Anh Hiep Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Trinh Van Thanh Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Nguyen THien Vuong Institute For Tropical Technology

DOI:

https://doi.org/10.15625/0866-708X/54/3/7101

Keywords:

sodium hypochlorite, maize starch, oxidation, starch oxidized

Abstract

The effects of hypochlorite level, i.e. 0.5; 1 and 2 active chlorine g/100g starch, on the structures and physicochemical properties of oxidized maize starch were investigated. The obtained results shown that oxidation degree grew up with increasing hypochlorite concentration, specially, the carboxyl content saw higher increased than the content of carbonyl. SEM images indicated that surface of oxidized maize starches were rougher than native starch. The surface of oxidized starches saw rougher with increasing hypochlorite level. However, the DSC results illustrated that there was no significant difference of gelatinization temperature between the native starch and oxidized starches.

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Published

16-06-2016

How to Cite

[1]
D. Phi Hung, T. T. Nam, M. V. Phuc, N. A. Hiep, T. V. Thanh, and N. T. Vuong, “Oxidized maize starch: characterization and its effect on the biodegradable films i. Characterization of maize starch oxidized by sodium hypochlorite”, Vietnam J. Sci. Technol., vol. 54, no. 3, pp. 347–355, Jun. 2016.

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