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Yubia De Anda-Flores
Biopolymers-CTAOA, Research Center for Food and Development (CIAD, A.C.), Carretera Gustavo Enrique Astiazarán Rosas No. 46, Hermosillo 83304, Mexico

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Communication
Published: 20 August 2021 in Polymers
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This study aimed to investigate the effect of arabinoxylans (AX) partial de-esterification with feruloyl esterase on the polysaccharide conformational behavior, topographical features, and antioxidant activity. After enzyme treatment, the ferulic acid (FA) content in AX was reduced from 7.30 to 5.48 µg FA/mg polysaccharide, and the molecule registered a small reduction in radius of gyration (RG), hydrodynamic radius (Rh), characteristic ratio (C∞), and persistence length (q). A slight decrease in α and a small increase in K constants in the Mark–Houwink–Sakurada equation for partially de-esterified AX (FAX) suggested a reduction in molecule structural rigidity and a more expanded coil conformation, respectively, in relation to AX. Fourier transform infrared spectroscopy spectra of AX and FAX presented a pattern characteristic for this polysaccharide. Atomic force microscopy topographic analysis of FAX showed a more regular surface without larger hollows in relation to AX. The antioxidant activity of FAX, compared to AX, was reduced by 30 and 41% using both 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) (ABTS+) and 1,1-diphenyl-2-picryl-hydrazyl (DPPH) methods, respectively. These results suggest that feruloyl esterase treatment of AX could offer a strategy to tailor AX chains conformation, morphological features, and antioxidant activity, impacting the development of advanced biomaterials for biomedical and pharmaceutical applications.

ACS Style

Yubia De Anda-Flores; Elizabeth Carvajal-Millan; Jaime Lizardi-Mendoza; Agustin Rascon-Chu; Judith Tanori-Cordova; Ana Luisa Martínez-López; Alexel J. Burgara-Estrella; Martin R. Pedroza-Montero. Conformational Behavior, Topographical Features, and Antioxidant Activity of Partly De-Esterified Arabinoxylans. Polymers 2021, 13, 2794 .

AMA Style

Yubia De Anda-Flores, Elizabeth Carvajal-Millan, Jaime Lizardi-Mendoza, Agustin Rascon-Chu, Judith Tanori-Cordova, Ana Luisa Martínez-López, Alexel J. Burgara-Estrella, Martin R. Pedroza-Montero. Conformational Behavior, Topographical Features, and Antioxidant Activity of Partly De-Esterified Arabinoxylans. Polymers. 2021; 13 (16):2794.

Chicago/Turabian Style

Yubia De Anda-Flores; Elizabeth Carvajal-Millan; Jaime Lizardi-Mendoza; Agustin Rascon-Chu; Judith Tanori-Cordova; Ana Luisa Martínez-López; Alexel J. Burgara-Estrella; Martin R. Pedroza-Montero. 2021. "Conformational Behavior, Topographical Features, and Antioxidant Activity of Partly De-Esterified Arabinoxylans." Polymers 13, no. 16: 2794.

Review
Published: 07 August 2021 in Polysaccharides
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Polysaccharide biomaterials have gained significant importance in the manufacture of nanoparticles used in colon-targeted drug delivery systems. These systems are a form of non-invasive oral therapy used in the treatment of various diseases. To achieve successful colonic delivery, the chemical, enzymatic and mucoadhesive barriers within the gastrointestinal (GI) tract must be analyzed. This will allow for the nanomaterials to cross these barriers and reach the colon. This review provides information on the development of nanoparticles made from various polysaccharides, which can overcome multiple barriers along the GI tract and affect encapsulation efficiency, drug protection, and release mechanisms upon arrival in the colon. Also, there is information disclosed about the size of the nanoparticles that are usually involved in the mechanisms of diffusion through the barriers in the GI tract, which may influence early drug degradation and release in the digestive tract.

ACS Style

Yubia De Anda-Flores; Elizabeth Carvajal-Millan; Alma Campa-Mada; Jaime Lizardi-Mendoza; Agustin Rascon-Chu; Judith Tanori-Cordova; Ana Martínez-López. Polysaccharide-Based Nanoparticles for Colon-Targeted Drug Delivery Systems. Polysaccharides 2021, 2, 626 -647.

AMA Style

Yubia De Anda-Flores, Elizabeth Carvajal-Millan, Alma Campa-Mada, Jaime Lizardi-Mendoza, Agustin Rascon-Chu, Judith Tanori-Cordova, Ana Martínez-López. Polysaccharide-Based Nanoparticles for Colon-Targeted Drug Delivery Systems. Polysaccharides. 2021; 2 (3):626-647.

Chicago/Turabian Style

Yubia De Anda-Flores; Elizabeth Carvajal-Millan; Alma Campa-Mada; Jaime Lizardi-Mendoza; Agustin Rascon-Chu; Judith Tanori-Cordova; Ana Martínez-López. 2021. "Polysaccharide-Based Nanoparticles for Colon-Targeted Drug Delivery Systems." Polysaccharides 2, no. 3: 626-647.

Journal article
Published: 13 June 2020 in Processes
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The purpose of this investigation was to extract ferulated arabinoxylans (AX) from dried distillers’ grains with solubles (DDGS) plus to investigate their capability to form covalently cross-linked nanoparticles. AX registered 7.3 µg of ferulic acid/mg polysaccharide and molecular weight and intrinsic viscosity of 661 kDa and 149 mL/g, correspondingly. Fourier transform infrared spectroscopy (FTIR) was used to confirm the identity of this polysaccharide. AX formed laccase induced covalent gels at 1% (w/v), which registered an elastic modulus of 224 Pa and a content of FA dimers of 1.5 µg/mg polysaccharide. Scanning electron microscopy pictures of AX gels exhibited a microstructure resembling a rough honeycomb. AX formed covalently cross-linked nanoparticles (NAX) by coaxial electrospray. The average hydrodynamic diameter of NAX determined by dynamic light scattering was 328 nm. NAX presented a spherical and regular shape by transmission electron microscopy analysis. NAX may be an attractive material for pharmaceutical and biomedical applications and an option in sustainable DDGS use.

ACS Style

Yubia De Anda-Flores; Elizabeth Carvajal-Millan; Jaime Lizardi-Mendoza; Agustin Rascon-Chu; Ana Luisa Martínez-López; Jorge Marquez-Escalante; Francisco Brown-Bojorquez; Judith Tanori-Cordova. Covalently Cross-Linked Nanoparticles Based on Ferulated Arabinoxylans Recovered from a Distiller’s Dried Grains Byproduct. Processes 2020, 8, 1 .

AMA Style

Yubia De Anda-Flores, Elizabeth Carvajal-Millan, Jaime Lizardi-Mendoza, Agustin Rascon-Chu, Ana Luisa Martínez-López, Jorge Marquez-Escalante, Francisco Brown-Bojorquez, Judith Tanori-Cordova. Covalently Cross-Linked Nanoparticles Based on Ferulated Arabinoxylans Recovered from a Distiller’s Dried Grains Byproduct. Processes. 2020; 8 (6):1.

Chicago/Turabian Style

Yubia De Anda-Flores; Elizabeth Carvajal-Millan; Jaime Lizardi-Mendoza; Agustin Rascon-Chu; Ana Luisa Martínez-López; Jorge Marquez-Escalante; Francisco Brown-Bojorquez; Judith Tanori-Cordova. 2020. "Covalently Cross-Linked Nanoparticles Based on Ferulated Arabinoxylans Recovered from a Distiller’s Dried Grains Byproduct." Processes 8, no. 6: 1.

Journal article
Published: 10 February 2020 in Antioxidants
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Arabinoxylans (AX) are polysaccharides with antioxidant activity and emulsifying properties, which make them an attractive alternative for its potential application as a natural antioxidant in oils. Therefore, this work aimed to investigate the effect of ultrasonic treatment of AX on their antioxidant capacity and its ability to improve the oxidative stability of soybean oil. For this purpose, AX were exposed to ultrasonic treatment at 25% (100 W, AX-1) and 50% (200 W, AX-2) power and an operating frequency of 20 KHz during 15 min, and their macromolecular properties (weight average molecular weight (Mw), polydispersity index and intrinsic viscosity) were evaluated. The antioxidant capacity of AX was determined by the DPPH assay and Rancimat test. Results showed that ultrasonic treatment did not affect the molecular identity of the polysaccharide but modified its Mw distribution. AX-1 showed the highest antioxidant activity (75% inhibition) at 533 µg/mL by the DPPH method compared to AX and AX-2. AX at 0.25% (w/v) and AX-1 at 0.01% (w/v) exerted the highest protective effects on oxidative stability of soybean oil with induction periods of 7.69 and 5.54 h, respectively. The results indicate that AX could be a good alternative for the potential application as a natural antioxidant in oils.

ACS Style

Mayra A. Mendez-Encinas; Elizabeth Carvajal-Millan; Jesús Ortega-García; Lubitza B. Santiago-Gómez; Yubia De Anda-Flores; Karla G. Martínez-Robinson; Dora E. Valencia-Rivera. Effect of Ultrasound-Treated Arabinoxylans on the Oxidative Stability of Soybean Oil. Antioxidants 2020, 9, 147 .

AMA Style

Mayra A. Mendez-Encinas, Elizabeth Carvajal-Millan, Jesús Ortega-García, Lubitza B. Santiago-Gómez, Yubia De Anda-Flores, Karla G. Martínez-Robinson, Dora E. Valencia-Rivera. Effect of Ultrasound-Treated Arabinoxylans on the Oxidative Stability of Soybean Oil. Antioxidants. 2020; 9 (2):147.

Chicago/Turabian Style

Mayra A. Mendez-Encinas; Elizabeth Carvajal-Millan; Jesús Ortega-García; Lubitza B. Santiago-Gómez; Yubia De Anda-Flores; Karla G. Martínez-Robinson; Dora E. Valencia-Rivera. 2020. "Effect of Ultrasound-Treated Arabinoxylans on the Oxidative Stability of Soybean Oil." Antioxidants 9, no. 2: 147.