Effects of rice hull phenolic extract on the stability of emulsions stabilized by rice bran protein hydrolysate


Citation

Cheetangdee N., . and Benjakul S., . Effects of rice hull phenolic extract on the stability of emulsions stabilized by rice bran protein hydrolysate. pp. 1588-1594. ISSN 2231-7546

Abstract

Effect of rice hull phenolic extract (RHPE) on stability of oil-in-water (O/W) emulsion stabilized by rice bran protein hydrolysate (RBPH) was investigated. Dispersibility of the RBPH stabilized emulsions was improved by incorporating RHPE mainly due to the increased electrical charge on the surfaces of oil droplets. RHPE could also improve oxidative stability of emulsions. Higher dispersibility and oxidative stability of the RBPH stabilized emulsions was observed when rice bran oil was employed as a dispersed phase compared to soybean oil and palm olein. Nevertheless RHPE impaired the dispersibility of palm olein emulsion. When RHPE was incorporated the highest oxidative stability was obtained in rice bran oil emulsion.Therefore bran and hull by“products from rice milling process could be promisingly used to improve colloidal and oxidative stability of O/W emulsion.


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Abstract

Effect of rice hull phenolic extract (RHPE) on stability of oil-in-water (O/W) emulsion stabilized by rice bran protein hydrolysate (RBPH) was investigated. Dispersibility of the RBPH stabilized emulsions was improved by incorporating RHPE mainly due to the increased electrical charge on the surfaces of oil droplets. RHPE could also improve oxidative stability of emulsions. Higher dispersibility and oxidative stability of the RBPH stabilized emulsions was observed when rice bran oil was employed as a dispersed phase compared to soybean oil and palm olein. Nevertheless RHPE impaired the dispersibility of palm olein emulsion. When RHPE was incorporated the highest oxidative stability was obtained in rice bran oil emulsion.Therefore bran and hull by“products from rice milling process could be promisingly used to improve colloidal and oxidative stability of O/W emulsion.

Additional Metadata

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Item Type: Article
AGROVOC Term: Phenolic content
AGROVOC Term: Rice hulls
AGROVOC Term: Emulsions
AGROVOC Term: Protein hydrolysate
AGROVOC Term: Oxidative stability
AGROVOC Term: Olein
AGROVOC Term: Milling
AGROVOC Term: Colloidal stability
AGROVOC Term: Bran
AGROVOC Term: Cellulase
Depositing User: Ms. Suzila Mohamad Kasim
Last Modified: 24 Apr 2025 06:28
URI: http://webagris.upm.edu.my/id/eprint/23796

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