José Luis Cárdenas-López
Universidad de Sonora
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Bioresource Technology | 2010
Mario Hiram Uriarte-Montoya; Joe Luis Arias-Moscoso; Maribel Plascencia-Jatomea; Hisila Santacruz-Ortega; Ofelia Rouzaud-Sández; José Luis Cárdenas-López; Enrique Márquez-Ríos; Josafat Marina Ezquerra-Brauer
Collagen-based biomaterials have been widely used due to its binding capabilities. However the properties and potential use of new collagen sources are still under investigation. Fish by-products are an excellent source of collagen. Thus, acid-soluble collagen (ASC) was extracted, and biochemical and physicochemically characterized from one under-utilized specie, jumbo squid (Dosidicus gigas). In addition, commercial chitosan (95-50%)-ASC (5-50%) blend films were successfully prepared by casting, and characterized by infrared spectroscopy (FT-IR) and differential scanning calorimetry (DSC). The molecular masses of the ASC subunits were about 190kDa, 110kDa, and 97kDa, the content of proline and hydroxyproline was 10.9% and 2.8%, respectively. The FT-IR and nuclear magnetic resonance spectra ((1)H NMR) confirmed collagen peptidic crosslinks, and one endothermic peak was found at 119 degrees C. The FT-IR spectrum showed that chitosan and ASC remain linked into the films mainly due to hydrogen bonding. The 85:15 (chitosan:ASC) ratio was selected for its thermal and mechanical analyses. The thermograms of this film indicated the presence of two peaks, one at 87-98 degrees C and the other at 142-182 degrees C. The chitosan:ASC blend produced a transparent and brittle film, with high percentage of elongation at break, and low tensile strength in comparison to chitosan films. D. gigas mantle might be useful as a new source of plasticizer agent in the preparation of biofilms in composites with chitosan.
Journal of the Science of Food and Agriculture | 2017
Ema Carina Rosas-Burgos; Armando Burgos-Hernández; Luis Noguera-Artiaga; Miroslava Kačániová; Francisca Hernández‐García; José Luis Cárdenas-López; Ángel A. Carbonell-Barrachina
BACKGROUND Some studies have reported that different parts of the pomegranate fruit, especially the peel, may act as potential antimicrobial agents and thus might be proposed as a safe natural alternative to synthetic antimicrobial agents. The high tannin content, especially punicalagin, found in pomegranate extracts, has been reported as the main compound responsible for such antimicrobial activity. Because the pomegranate peel chemical composition may vary with the type of cultivar (sweet, sour-sweet and sour), pomegranates may also differ with respect to their antimicrobial capacity. RESULTS The extract from PTO8 pomegranate cultivar peel had the highest antimicrobial activity, as well as the highest punicalagins (α and β) and ellagic acid concentrations. In the results obtained from both antibacterial and antifungal activity studies, the sour-sweet pomegranate cultivar PTO8 showed the best antimicrobial activity, and the highest ellagic acid concentrations. CONCLUSION The results of the present study suggest that ellagic acid content has a significant influence on the antimicrobial activity of the pomegranate extracts investigated. The pomegranate peel of the PTO8 cultivar is a good source of antifungal and antibacterial compounds, and may represent an alternative to antimicrobial agents of synthetic origin.
Comparative Biochemistry and Physiology B | 2008
Francisco J. Cinco-Moroyoqui; Fernando I. Díaz-Malváez; Argentina Alanís-Villa; Jesús Manuel Barrón-Hoyos; José Luis Cárdenas-López; Mario Onofre Cortez-Rocha; Francisco J. Wong-Corral
Three isoamylases of Rhyzopertha dominica (termed RdA70, RdA79, and RdA90 according to their relative mobility in gel electrophoresis) were isolated by ammonium sulfate fractionation and hydrophobic interaction chromatography. RdA70 and RdA79 showed an optimal pH of 7.0, whereas for RdA90 the optimal pH was 6.5. The three isoamylases remained stable at 50 degrees C for 1 h, but at 60 degrees C, all lost 50% of their activity in 20 min and were completely inactivated in 1 h. RdA70 and RdA79 were inhibited by albumin extracts from wheat samples varying widely in amylase inhibitory activity; however, RdA90 was highly resistant to inhibition. beta-Mercaptoethanol up to 30 mM increased the activity of the three isoamylases by 2.5-fold. The action pattern of the three isoamylases was typical of endoamylases; however, differences were observed on the hydrolytic efficiency rates measured as V(max)/K(m) ratio on starch, amylopectin, and amylose. The hydrolyzing action of RdA90 on starch and amylopectin (V(max)/K(m)=90.4+/-2.3 and 78.9+/-6.6, respectively) was less efficient than that on amylose (V(max)/K(m)=214+/-23.2). RdA79 efficiently hydrolyzed both amylopectin and amylose (V(max)/K(m)=260.6+/-12.9 and 326.5+/-9.4, respectively). RdA70 hydrolyzed starch and amylose at similar rates (V(max)/K(m)=202.9+/-5.5 and 215.9+/-6.2, respectively), but amylopectin was a poor substrate (V(max)/K(m)=124.2+/-7.4). The overall results suggest that RdA70 and RdA79 appear to belong to a group of saccharifying isoamylases that breaks down long fragments of oligosaccharide chains produced by the hydrolytic action of RdA90. The simultaneous action of the three isoamylases on starch, aside from the high resistance of RdA90 to wheat amylase inhibitors, might allow R. dominica to feed and reproduce successfully on the wheat kernel.
Journal of Aquatic Food Product Technology | 2015
Dalila Fernanda Canizales-Rodríguez; Víctor Manuel Ocaño-Higuera; Enrique Márquez-Ríos; Abril Zoraida Graciano-Verdugo; José Luis Cárdenas-López; María Susana Yépiz-Gómez; Francisco Javier Castillo-Yáñez
Postmortem changes in blue shrimp (Litopenaeus stylirostris) muscle were studied on the basis of biochemical, chemical, physical, and microbiological changes during an 18 day storage period at 0°C. Adenosine 5′-triphosphate (ATP) content, breakdown products, K-value, pH, trimethylamine nitrogen (TMA-N), total volatile basic nitrogen (TVB-N), water holding capacity (WHC), color, and texture (shear force) changes were examined. Also, total mesophilic and psychrophilic bacterial counts were measured. K-value increased linearly (r2 = 0.98) from an initial value of 1.37 ± 0.59 to 59.42 ± 6.05% at Day 18. Spoilage indicators TVB-N and TMA-N increased from 29.56 ± 1.33 and 0.69 ± 0.25 to 39.04 and 2.04 ± 0.59 mg of N/100 g at Day 18, respectively; meanwhile, the total viable counts of mesophilic and psychrophilic bacteria increased from 3.48 ± 0.44 and 2.61 ± 0.29 log CFU/g to 6.27 ± 0.21 and 7.14 ± 0.39 log CFU/g, respectively, which indicated spoilage at the end of the storage period. The pH, texture, WHC, and color were affected (p < 0.05) during the storage period. Overall, results indicate that blue shrimp muscle quality was maintained for 12 days of storage in ice.
Cereal Chemistry | 2016
Yaeel I. Cornejo-Ramírez; Francisco Ramírez-Reyes; Francisco J. Cinco-Moroyoqui; Ema Carina Rosas-Burgos; Oliviert Martínez-Cruz; Elizabeth Carvajal-Millan; José Luis Cárdenas-López; Patricia Isabel Torres-Chávez; Pablo S. Osuna-Amarillas; Jesús Borboa-Flores; Francisco J. Wong-Corral
The present work was carried out to make a comparison between the starch debranching enzyme activity and the synthesis of total carbohydrates, starch, amylose, and amylopectin in developing kernels of two sets of triticales differing in genome composition (complete and substituted triticales). The results showed that the carbohydrate and starch accumulation observed in both genotypes of triticales increased rapidly at the early stage, reaching the maximum at the medium stage and decreasing slightly or remaining relatively constant at the last stage of kernel development. At the end of the development stage, the mature grains of complete and substituted triticales accumulated 62.5 and 54.6% starch, respectively. Both sets of triticales showed the same amylose accumulation profile as well as degree of polymerization; however, at the maturity stage there was a small but significant difference between the two sets. The final polymerization values of amylose chains in mature seeds of complete and substituted t...
Journal of Chemistry | 2015
Edgar Iván Jiménez-Ruiz; Enrique Márquez-Ríos; José Luis Cárdenas-López; Nathaly Montoya-Camacho; Francisco Javier Castillo-Yáñez; María Elena Duarte-Figueroa; Saúl Ruiz-Cruz; Rosendo Balois-Morales; Víctor Manuel Ocaño-Higuera
The effect of two commercial in vivo transport methods (cardboard boxes and ixtle sacks) on the physiological condition of Japanese oyster (Crassostrea gigas) was evaluated. Total carbohydrates, glycogen, adenosine 5′-triphosphate (ATP) and related products, adenylate energy charge (AEC), and pH of transported oysters in simulated conditions were determined. The results showed that the ATP initial concentration was low from the beginning of the experiment, and AEC decreased in both transport methods. With respect to the total carbohydrates and glycogen, the samples maintained in cardboard box and ixtle sack decreased during transport, respectively. Similarly, significant changes in pH were observed for both methods. Our results showed that physiologically the best in vivo transporting method for Japanese oyster is in cardboard boxes.
Journal of the Science of Food and Agriculture | 2018
Ivan J. Tolano-Villaverde; Víctor Manuel Ocaño-Higuera; Josafat Marina Ezquerra-Brauer; Irela Santos-Sauceda; Hisila Santacruz-Ortega; José Luis Cárdenas-López; Guillermo Rodríguez-Olibarría; Enrique Márquez-Ríos
BACKGROUND The giant squid (Dosidicus gigas) has been proposed as raw material to obtain myofibrillar protein concentrates. However, it has been observed that colloidal systems formed from squid proteins have limited stability. Therefore, the isolation and characterization of the actomyosin-paramyosin isolated (API) complex were performed, because they are the main proteins to which functionality has been attributed. RESULTS Densitogram analysis revealed 45% of actin, 38% of myosin and 17% of paramyosin. The amino acid profile indicates a higher proportion of acidic amino acids, which gives a higher negative charge; this was supported by the zeta potential. Total sulfhydryl (TSH) content was lower compared with proteins of other aquatic species. CONCLUSION The higher percentage of actin in relation to myosin, the presence of paramyosin, as well as the low content of sulfhydryl groups, could comprise the main causes of the low technological functional property of proteins from D. gigas mantle.
Journal of Agricultural and Food Chemistry | 2007
Wilfrido Torres-Arreola; Herlinda Soto-Valdez; Elizabeth Peralta; José Luis Cárdenas-López; Josafat Marina Ezquerra-Brauer
Food Chemistry | 2008
Adriana Zulema Valencia-Pérez; Miriam Hiessu García-Morales; José Luis Cárdenas-López; José Ronaldo Herrera-Urbina; Ofelia Rouzaud-Sández; Josafat Marina Ezquerra-Brauer
Journal of Food Biochemistry | 2013
R.G. Valdez-Melchor; Josafat Marina Ezquerra-Brauer; Francisco J. Cinco-Moroyoqui; Francisco Javier Castillo-Yáñez; José Luis Cárdenas-López