Physicochemical and functional properties of starches from Brosimum alicastrum (Sw.) and Zea mays obtained by wet-extraction without chemical agents

Sofia Monfort-Grajales, Luis Armando Sarmiento-Franco, Luis Chel-Guerrero, Juan Carlos Cuevas-Bernardino, Carlos Alfredo Sandoval-Castro, David Betancur-Ancona

Abstract


Background: Starch is a polysaccharide widely used in the food industry and other applications due to its functional properties. It is commonly extracted from different sources, mainly grains and tubers. Brosimum aliscastrum Sw. tree is a non-conventional source that may represent a viable alternative that does not compete with resources for either human or animal consumption. Objective: To characterize the physicochemical, functional, and thermo-structural properties of starches isolated from ramon seed (B. alicastrum) and maize (Zea mays) employing a green wet-extraction method without chemical agents. Methodology: Flours from ramon seed (RS) and maize were subjected to soaking, washing, filtering, and centrifugation using only distilled water to isolate starches. Results: Extraction yields were 28.7% for ramon seed starch (RSS) and 36.33% for maize starch (MS). Chemical composition, particularly carbohydrate content (86% for RSS and 87% for MS), was comparable to values obtained by alkaline and acid methods. Amylose content was higher in MS (27.61%) compared to RSS (23.60%). Implications: The results suggest that green extraction demonstrated efficiency in recovering starches with properties comparable to those obtained through conventional chemical methods while also promoting the use of non-conventional sources such as RS. Conclusion: The isolation method employed enables the recovery of starches with yields and physicochemical properties similar to those obtained through conventional methods. The findings highlight the potential of RSS as an alternative source of starch for various applications.

Keywords


sustainable processing, non-conventional starch sources, green extraction, starch properties, structural characterization

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URN: http://www.revista.ccba.uady.mx/urn:ISSN:1870-0462-tsaes.v28i3.63445

DOI: http://dx.doi.org/10.56369/tsaes.6344

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