Development of Starch-Based Materials Using Current Modification Techniques and Their Applications: A Review

Amaraweera, Sumedha M.; Gunathilake, Chamila; Gunawardene, Oneesha H. P.; Fernando, N. M. L.; Wanninayaka, Drashana B.; Dassanayake, Rohan S.; Rajapaksha, Suranga M.; Manamperi, Asanga; Fernando, C. A. N.; Kulatunga, Asela K.; Manipura, A.

doi:10.3390/molecules26226880

Cited by 77 publications

(27 citation statements)

References 143 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Enzymatic reactions to afford esterified starch under environmentally friendly mild conditions have also been reported [ 7 , 15 ]. Microwave induced esterification was employed to produce stearate starches with improved thermal stability in comparison to native starch [ 16 ].…”

Section: Esterified Starchmentioning

confidence: 99%

“…A variety of crosslinking agents can be employed in starch modification [ 91 ]. Among these citric acid, sodium trimetaphosphate (STMP), sodium tripolyphosphate (STPP), epichlorohydrin (ECH), and phosphorus oxychloride (POCl 3 ) are the most utilized [ 16 ]. Detduangchan et al studied the effects of chemically crosslinking rice starch films using ECH, STMP, and STMP/STPP mixtures.…”

Section: Other Modified Starches For Adhesive Applicationsmentioning

confidence: 99%

See 1 more Smart Citation

Modified Starch-Based Adhesives: A Review

et al. 2022

View full text Add to dashboard Cite

Consumer trends towards environmentally friendly products are driving plastics industries to investigate more benign alternatives to petroleum-based polymers. In the case of adhesives, one possibility to achieve sustainable production is to use non-toxic, low-cost starches as biodegradable raw materials for adhesive production. While native starch contains only hydroxyl groups and has limited scope, chemically modified starch shows superior water resistance properties for adhesive applications. Esterified starches, starches with ester substituents, can be feasibly produced and utilized to prepare bio-based adhesives with improved water resistance. Syntheses of esterified starch materials can involve esterification, transesterification, alkylation, acetylation, succinylation, or enzymatic reactions. The main focus of this review is on the production of esterified starches and their utilization in adhesive applications (for paper, plywood, wood composites, fiberboard, and particleboard). The latter part of this review discusses other processes (etherification, crosslinking, grafting, oxidation, or utilizing biobased coupling agents) to prepare modified starches that can be further applied in adhesive production. Further discussion on the characteristics of modified starch materials and required processing methods for adhesive production is also included.

show abstract

Section: Esterified Starchmentioning

confidence: 99%

Section: Other Modified Starches For Adhesive Applicationsmentioning

confidence: 99%

Modified Starch-Based Adhesives: A Review

et al. 2022

View full text Add to dashboard Cite

show abstract

“…A sort of plant resource is rich in starch, including cereals and legumes, being a storage carbohydrate found in grains, tubers, and roots, consumed by humans, such as corn, potatoes, pine nuts, cassava, wheat, etc. [ 134 , 135 ]. Starch is a sustainable alternative because it allows the synthesis of polymers from renewable sources, is eco-friendly, and is widely available in nature [ 134 ].…”

Section: Plant-derived Polymersmentioning

confidence: 99%

Plant Polysaccharides in Engineered Pharmaceutical Gels

et al. 2022

View full text Add to dashboard Cite

Hydrogels are a great ally in the pharmaceutical and biomedical areas. They have a three-dimensional polymeric structure that allows the swelling of aqueous fluids, acting as an absorbent, or encapsulating bioactive agents for controlled drug release. Interestingly, plants are a source of biogels, specifically polysaccharides, composed of sugar monomers. The crosslinking of these polymeric chains forms an architecture similar to the extracellular matrix, enhancing the biocompatibility of such materials. Moreover, the rich hydroxyl monomers promote a hydrophilic behavior for these plant-derived polysaccharide gels, enabling their biodegradability and antimicrobial effects. From an economic point of view, such biogels help the circular economy, as a green material can be obtained with a low cost of production. As regards the bio aspect, it is astonishingly attractive since the raw materials (polysaccharides from plants-cellulose, hemicelluloses, lignin, inulin, pectin, starch, guar, and cashew gums, etc.) might be produced sustainably. Such properties make viable the applications of these biogels in contact with the human body, especially incorporating drugs for controlled release. In this context, this review describes some sources of plant-derived polysaccharide gels, their biological function, main methods for extraction, remarkable applications, and properties in the health field.

show abstract

“…As the NaOH concentrations increased (10-30% NaOH), the WVP of the CMSr films slightly increased. This indicated a slight increase in hydrophilicity of the CMSr films due to a little formation of the carboxymethyl group (polar group) on the rice starch molecules and a reduction of crystallinity in the CMSr films [3,28,50]. Whereas at very high concentrations (40-50% NaOH), the WVP of the CMSr films was obviously increased, suggesting a significant improvement of hydrophilicity character due to the greater formation of the carboxymethyl group on the starch molecules and the loss of crystallinity in the CMSr films [2,6,29].…”

Section: Contact Angle Of Native Rice Starch Film and Cmsr Filmsmentioning

confidence: 99%

Morphology, Mechanical, and Water Barrier Properties of Carboxymethyl Rice Starch Films: Sodium Hydroxide Effect

et al. 2022

View full text Add to dashboard Cite

Carboxymethyl rice starch films were prepared from carboxymethyl rice starch (CMSr) treated with sodium hydroxide (NaOH) at 10–50% w/v. The objective of this research was to determine the effect of NaOH concentrations on morphology, mechanical properties, and water barrier properties of the CMSr films. The degree of substitution (DS) and morphology of native rice starch and CMSr powders were examined. Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and differential scanning calorimetry (DSC) were used to investigate the chemical structure, crystallinity, and thermal properties of the CMSr films. As the NaOH concentrations increased, the DS of CMSr powders increased, which affected the morphology of CMSr powders; a polyhedral shape of the native rice starch was deformed. In addition, the increase in NaOH concentrations of the synthesis of CMSr resulted in an increase in water solubility, elongation at break, and water vapor permeability (WVP) of CMSr films. On the other hand, the water contact angle, melting temperature, and the tensile strength of the CMSr films decreased with increasing NaOH concentrations. However, the tensile strength of the CMSr films was relatively low. Therefore, such a property needs to be improved and the application of the developed films should be investigated in the future work.

show abstract

Development of Starch-Based Materials Using Current Modification Techniques and Their Applications: A Review

Cited by 77 publications

References 143 publications

Modified Starch-Based Adhesives: A Review

Modified Starch-Based Adhesives: A Review

Plant Polysaccharides in Engineered Pharmaceutical Gels

Morphology, Mechanical, and Water Barrier Properties of Carboxymethyl Rice Starch Films: Sodium Hydroxide Effect

Contact Info

Product

Resources

About