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Cuba : Economi´a en recuperacio´n
Sotolongo, Jesu´s Aise 서울大學校 스페인中南美硏究所 2000 이베로아메리카硏究 Vol.11 No.-
Despue´s de la profunda depresio´n que sufrio´ la economia cubana como consecuencia de la pe´rdida de las ventajas que le proporcionaba su pertenencia al CAME y sus relaciones con la exURSS y los pai´ses exsocialistas de Europa oriental y a pesar del recrudecimiento del bloqueo econo´mico, comercial y financiero de los Estados Unidos, la segunda mitad do la de´cada do los '90 ha mostrado las potencialidades recuperativas que posee nuestro pai´s.
Jesu´ s Ramo´n-Sierra,Jose´ Luis Martı´nez-Guevara,Luis Pool-Yam,Denis Magan˜a-Ortiz,Alejandro Yam-Puc,Elizabeth Ortiz-Va´zquez 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.7
Antimicrobial effects of Melipona beecheiihoney have been attributed to diverse factors, in this sense,certain components such as proteins and phenolics couldexplain relevant aspects of its antimicrobial activity. Theaim of this study was to evaluate the antibacterial activityof phenolic and protein extracts from M. beecheii honeyagainst two bacterial pathogens: Staphylococcus aureusand Escherichia coli. With respect to phenolic content,HPLC analysis allowed the identification of phenolic acidslike chlorogenic acid, caffeic acid, and flavonoids likecatechin, myricetin, quercetin and apigenin. On the otherhand, seven bands with molecular weight from 7.6 to95 kDa were detected in protein extract by SDS-PAGEsystem. It was determined the antibacterial activity of bothextracts, with MICs lower than 145 lg/mL and 60 lg/mLfor the phenolic and protein extracts respectively. Theseresults indicate that phenolic and protein components of M. beecheii honey contribute significantly to the antibacterialactivity.
Jesu´s S. Delgadillo-Centeno,Fernando Grover-Pa´ez,Sandra O. Herna´ndez-Gonza´lez,Marı´a G. Ramos-Zavala,David Cardona-Mu¨ ller,Alicia Lo´pez-Castro,Sara Pascoe-Gonza´lez 한국식품영양과학회 2023 Journal of medicinal food Vol.26 No.6
Cinnamomum cassia is a medicinal plant whose use has demonstrated benefits on body weight, blood pressure, glucose, and lipids. This study aimed to evaluate the effect of C. cassia on arterial stiffness and endothelial dysfunction (ED) in patients with type 2 diabetes mellitus (T2DM). A randomized, double-blind, placebo-controlled clinical trial was carried out in 18 subjects aged 40–65 years, with a diagnosis of T2DM of one year or less since diagnosis and treated with Metformin 850 mg daily. Patients were randomly assigned to receive either C. cassia or a placebo in 1000 mg capsules, thrice a day, before each meal for 12 weeks. At baseline and after 12 weeks of intervention, brachial-ankle pulse wave velocity and Flow Mediated Dilation were measured, as well as body weight, body mass index (BMI), blood pressure (BP), fasting glucose (FG), glycated hemoglobin A1c (HbA1c), total cholesterol, high density lipoprotein cholesterol, low density lipoprotein cholesterol, and very low density lipoprotein cholesterol, respectively, triglycerides, creatinine, and transaminases. The Mann–Whitney U test for differences between groups and the Wilcoxon signed-rank test for intragroup differences were used, and a P ≤ .05 was considered statistically significant. After C. cassia administration, statistically significant reductions in body weight (81.4 ± 10.4 kg vs. 79.9 ± 9.0 kg, P = .037), BMI (30.6 ± 4.2 kg/m2 vs. 30.1 ± 4.2 kg/m2, P = .018), and HbA1c (53 ± 5.4 mmol/mol vs. 45 ± 2.1 mmol/mol, P = .036) were observed. No changes statistically significant on arterial stiffness, ED, FG, BP, and lipids were observed. C. cassia administration decreases body weight, BMI, and HbA1c without statistically significant changes on arterial stiffness, ED, FG, BP, and lipids. CTR Number: NCT04259606
LA INTERCULTURALIDAD EN LA CLASE DE ESPAN~OL LENGUA EXTRANJERA
Torre, Jesu´s de la 한국동서정신과학회 2002 동서정신과학 Vol.5 No.2
Considering the importance of the connection between languages and culture this article examines the necessity for inclusion of an intercultural perspective in the learning process to achieve better results in the foreign language classroom. It becomes even more relevant if we take into account the cultural differences between Korea and the language of study. After recognizing and assessing the relevant factors that take part in learning we chose one of them (Confucianism) as one of the key elements that will help the native teacher to understand the cultural patterns of the students and their learning styles. We stress the importance for the educator to know idiosyncratic behaviours in order to avoid misunderstandings in communication and "cultural shock". This research is oriented for practical applications. For that, we analysed the different interpretations of "the silence in the classroom", in the culture of the Spanish language teacher as compared with the culture of Korean students; that is a conclusive example that the educator should approach the teaching practice bearing in mind the cultural specifics of the students; that means, from an intercultural perspective.
Antonio Jesu´ s Mun˜oz,Francisco Espı´nola,Encarnacio´n Ruiz 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.40 No.-
The purpose of this work was to confirm the effectiveness of the bacterium Klebsiella sp. 3S1 for theremoval of lead ions from aqueous solution in a fixed-bed column. The results provided evidence thatthe bacterial biofilm formation on the support clearly improved the lead biosorption capability of thesystem. FTIR, SEM and TEM techniques provided factual evidence of the role of the bacterial biofilm onlead biosorption and the different mechanisms involved, such as cell surface binding and cytoplasmicbioaccumulation. The dynamic behavior of the column in continuous mode was well-established through breakthroughcurves, with experimental data fitting using different mathematical models, especially the Yang model. Up to 70 mg of lead was retained per gram of microbial biofilm in each cycle without loss of biosorptioncapacity compared to previous work in batch mode. In addition, the bacteria maintained theireffectiveness when the cells were inactivated after acid desorption cycles. The column was reused fourtimes after biosorbent regeneration with an elution efficiency of 99% showing that it is appropriate forindustrial applications. The use of a Klebsiella sp. 3S1 biofilm immobilized on a porous support incommercial biofilters for the removal of heavy metals from wastewater could be a competitive option.
Osayomi Tolulope,Adeleke Richard,Taiwo Olalekan John,Gbadegesin Adeniyi S.,Fatayo Opeyemi Caleb,Akpoterai Lawrence Enejeta,Ayanda Joy Temitope,Moyin-Jesu Judah,Isioye Abdullahi 대한공간정보학회 2021 Spatial Information Research Vol.29 No.4
Nigeria is currently the worst COVID-19 affected country in West Africa in terms of morbidity and mortality amid ECOWAS’s recent proclamation of the country as the region’s COVID-19 Response Champion. It is against this background that this paper analysed the geographical distribution of confirmed COVID-19 cases and fatalities in West Africa, with a view to understanding why Nigeria is at the heart of the pandemic in the subcontinent. The research relied on COVID-19 data and other health, demographic, transport, economic indicators from published sources. Pearson correlation technique and simple linear regressions were useful in discerning associations between COVID-19 and explanatory factors in West Africa. In order of importance, Nigeria, Ghana and Senegal were the top three on the morbidity list while Nigeria, Mali and Niger had the largest number of fatalities as at June 11, 2020. Results show that the population size and air traffic had significant impact on both COVID-19 morbidity and mortality in West Africa. In addition, Nigeria’s large population size and high air traffic volume did not only increase its susceptibility to the viral infection but also accounted for its being an outlier in the sub-continent. The study recommends that a cautious and gradual reopening of the borders should be considered by member states of the sub-region while behavioural avoidance measures are being enforced till a vaccine is found.
Gloria Maria Molina-Salinas,Andre´s Humberto Uc-Cacho´n,Luis Manuel Pen˜a-Rodrı´guez,Angel de Jesu´s Dzul-Beh,Rosa Marı´a Escobedo Gracı´a-Medrano 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.11
Air-dried leaves of a Musa spp. AAB, cv. “Manzano” plant, known as Ja'as in the Maya culture, were sequentially extracted with hexane, ethyl acetate, and methanol; the resulting extracts were investigated for their antimycobacterial activity against susceptible and drug-resistant strains of Mycobacterium tuberculosis (MTB) using the Microplate Alamar Blue Assay. Both the n-hexane extract (HE) and ethyl acetate extract (EE) showed potent activity against both strains of MTB, with the EE exhibiting the strongest activity and a Minimum Inhibitory Concentration of 12.5 and 6.25 μg/mL against susceptible and drug-resistant strains, respectively. Both extracts also demonstrated a mycobactericidal effect and a very good selectivity index when tested for cytotoxic activity on Vero monkey kidney cells, using the Sulforhodamine B assay. Our results demonstrate the efficiency and selectivity of Musa spp. AAB, cv. “Manzano” against MTB strains and support its traditional use as remedy against tuberculosis in Maya traditional medicine.
Berenise Borges-Contreras,Cecilia Eugenia Martı´nez-Sa´nchez,Erasmo Herman-Lara,Jesu´s Rodrı´guez-Miranda,Betsabe´ Herna´ndez-Santos,Jose´ Manuel Jua´rez-Barrientos,Carlos Martı´n Guerra-Almonacid,Dav 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.3
Mojarra of Nile tilapia (Oreochromis niloticus) skeleton was used as protein source for the preparation of protein hydrolysates and peptide fractions with angiotensin-converting enzyme (ACE) inhibitory activity. The flour presented a content of 34.92% protein and a brightness (luminosity, L*) of 82.29. Protein hydrolysates were obtained from the protein-rich flour with the enzymes Flavourzyme® and Alcalase® reaching degree of hydrolysis (%DH) of 52% and 67% at 100 min of reaction, respectively. Both hydrolysates showed low-molecular-weight (MW) peptides estimated by sodium dodecyl sulfate–polyacrylamide gel electrophoresis. The hydrolysates obtained with Flavourzyme at 60 min and at 80 min with Alcalase showed greater ACE inhibitory activity with IC50 values of 0.238 and 0.344 mg/mL, respectively. The peptide fraction A (MW >10 kDa) with Flavourzyme and fraction B (MW = 10–5 kDa) with Alcalase obtained by ultrafiltration of hydrolysates with higher DH presented IC50 of 0.728 and 0.354 mg/mL, respectively, whereas peptide fraction C (MW = 5–3 kDa) with both enzymes hydrolysates with greater ACE inhibitory activity showed IC50 values of 0.470 and 0.634 mg/mL. The components obtained in this study could be used as functional ingredients in the design and development of functional foods.