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Effect of nixtamalization processes on mitigation of acrylamide formation in tortilla chips
Alfonso Topete-Betancourt,Juan de Dios Figueroa Ca´rdenas,Adriana Lizbeth Rodrı´guez-Lino,Elvira Rı´os-Leal,Eduardo Morales-Sa´nchez,He´ctor Eduardo Martı´nez-Flores 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.4
Acrylamide can be generated from food componentsduring tortilla chips frying. Thus, the aim of thisresearch was to study different nixtamalization processesas traditional (TNP) with lime [Ca(OH)2], ecological(ENP) with CaCO3, classic nixtamalization (CNP) thatuses wood ash and extrusion (EXT) with no Ca?2 sourceon mitigating the acrylamide formation in deep-fat fryingtortilla chips. Acrylamide quantification was done throughHPLC–UV. Lower acrylamide content in tortilla chips wasfor CNP with 46.3 lg/kg, followed by TNP with 55.0 lg/kg, ENP with 694.6 lg/kg and EXP with 1443.4 lg/kg. Differences in acrylamide values among samples can berelated to effect of cations (Ca2?, Mg2?, Fe2?, Zn2?, Na?and K?) present in wood ashes, lime and salts used as rawmaterials. Correlation of (r = 0.85; p\0.0005) wasobserved in color of tortilla chips, moisture, texture, blisters,and oil with acrylamide. Nixtamalization process is aneffective and inexpensive strategy for acrylamidemitigation.
Would a Placebo Acupuncture Needle be Able to Induce Deqi?
Ca´ssia Maria Grillo,Vera Lucia Rasera Zotelli,Maria Lu´cia Bressiani Gil,Maria da Luz Rosa´rio de Sousa 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.5
The aim of this study was to evaluate Deqi in patients under treatment with acupunctureand sham acupuncture. Forty (40) volunteers of all genders with temporomandibulardysfunction (TMD) were randomized into two study groups: Acupuncture and ShamAcupuncture (non-penetrating device). The patients answered the Southampton NeedleSensation Questionnaire (SNSQ) at the initial and final sessions of acupuncture treatment. The questionnaire was composed of two parts: the first one, consisting of 17 Deqi descriptorsand a Likert scale in order to evaluate the intensity of each sensation; and the secondone, consisting of a visual analog scale (VAS) to evaluate how painful the acupuncturetreatment was. At the initial session, LI4 was the most cited acupuncture point in bothgroups, being responsible for a ‘Slight Intensity’ needling sensation of electric shock inthe acupuncture group at initial (10%) and final (15%) sessions. The most common relatedneedling sensations at different acupuncture points was “Pricking” and “Sharp” in bothgroups. The acupuncture group showed higher VAS than the Sham Acupuncture eitherin the initial (3.87 2.43) and final (2.04 2.14) sessions. Deqi response to acupuncturestimulation was verified either in the both groups.
Acupuncture in the Management of Acute Dental Pain
Ca´ssia Maria Grillo,Ronaldo Seichi Wada,Maria da Luz Rosa´rio de Sousa 사단법인약침학회 2014 Journal of Acupuncture & Meridian Studies Vol.7 No.2
Acute dental pain is the main reason for seeking dental services to provide urgent dental care; there is consensus about the use of alternative therapies, such as acupuncture, to control dental pain in pre-dental care. This study aimed to evaluate the use of acupunc- ture in reducing the intensity of acute dental pain in pre-dental care in patients waiting for emergency dental care, and was conducted at the After-Hours Emergency Dental Clinic of Piracicaba Dental School, and at the Emergency Center Dental Specialties I in Piracicaba, Sa ˜o Paulo, Brazil. The sample consisted of 120 patients. The Visual Analog Scale (VAS) was used to measure pain intensity. All patients underwent one session of acupuncture; the points LI4, ST44 and CV23 were selected and were used alone or in com- binations. Reduction in pain was observed in 120 patients (mean initial VAS = 6.558 ± 1.886, p < 0; mean final VAS= 0.962 ± 2.163, p < 0.00001). The results of this study indi- cate that acupuncture analgesia could be a technical adjunct to pain control in patients with acute dental pain, contributing to the restoration of health with social benefit.
Could Acupuncture Be Useful in the Treatment of Temporomandibular Dysfunction?
Ca´ssia Maria Grillo,Giancarlo De la Torre Canales,Ronaldo Seichi Wada,Marcelo Correˆa Alves,Ce´lia Marisa Rizzatti Barbosa,Fausto Berzin,Maria da Luz Rosa´rio de Sousa 사단법인약침학회 2015 Journal of Acupuncture & Meridian Studies Vol.8 No.4
In this study, the effects of acupuncture in comparison with flat occlusal plane appliance were evaluated in patient with myogenic temporomandibular dysfunction (TMD). The sample consisted of 40 women with TMD and unbalanced energy predominance of Yang Liver Ascension, selected using the Renying and Cunkou pulses, randomly divided into two groups: acupuncture and splint. The effect of treatments on the masseter and anterior temporal muscles was evaluated after 4 weeks of treatment, by means of electromyographic activity (root mean square) and pain pressure threshold. Pain intensity was measured using the visual analog scale, and range of mouth opening was evaluated using a millimeter ruler. All evaluations were performed at the beginning and end of the treatment. Visual analog scale score was reduced equally in the two groups (p < 0001), and the increase in range of mouth opening was significant in both groups. A significant difference was detected only in pain pressure threshold of the left masseter in the acupuncture group (p < 0.05). Only root mean square in the at rest position of the right temporal muscle diminished in the final stage of the splint group (p < 0.05). Both treatments reduced the pain intensity of myogenic TMD in the short term and may be considered strategies for control of chronic pain related to TMD.
Edwin Jadulco Cañete,Cherrie Mae Sison-Peña,Cecilia Alegado Jimeno 대한내분비학회 2014 Endocrinology and metabolism Vol.29 No.4
Background: Thyroid nodules may harbor cancer in 5% to 15% of cases. Specific clinical and sonographic features predictive of malignancy have been investigated in various populations, but due to differences in epidemiology, risk factors and iodine nutrition status, these predictors may not be valid in the Philippines. This study determined the clinicopathological, biochemical, and sonographic features of thyroid nodules predictive of malignancy among adult Filipino patients at the University of the Philippines-Philippine General Hospital (UP-PGH). Methods: We reviewed the medical records of Filipino patients ≥19 years of age who underwent thyroid surgery in UP-PGH from 2008 to 2011. Results: A total of 837 of 1,670 patients (50.1%) were enrolled in the study, which included 417 benign and 420 malignant tumors. The mean age at diagnosis was 38±11 years, with female predominance. Multiple logistic regression analysis showed that the presence of a hard or firm nodule (odds ratio [OR], 58.8, P<0.001; OR, 12.8, P<0.001), presence of microcalcifications (OR, 11.1; P<0.001), irregular margins on ultrasound (OR, 4.5; P<0.001), and absence of associated symptoms (OR, 2.3; P<0.002) increased significantly the likelihood of thyroid malignancy. Conclusion: Similar to international data, the absence of associated symptoms, firm to hard thyroid nodules, and the presence of microcalcifications and irregular margins were significant predictors of thyroid malignancy.
Channel Estimation for OFDM-based Indoor Broadband Power Line Communication Systems
Cortés, José A.,Cañete, Francisco J.,Díez, Luis 한국통신학회 2023 Journal of communications and networks Vol.25 No.2
State-of-the-art indoor broadband power line com-munications (PLC) systems use orthogonal frequency divi-sion multiplexing (OFDM) signals with constellations up to10 bits/symbol, which makes channel estimation a key aspect. This paper focuses on the initial channel estimation used in thepayload, which might be further adapted by means of a decision-directed strategy. This initial estimate has to be computed on aper-frame basis and can be accomplished from the preamble, theheader symbol (assuming that it has been correctly decoded) orfrom a combination of both. This work proposes simple channelestimation techniques for this problem and derives their mostappropriate parameters. They are compared with the linearminimum mean squared-error (LMMSE) estimator and otherscommonly used in wireless scenarios by considering both theirperformance and computational complexity. The factors limitingthe performance of the estimators based on the preamble and theheader symbols are analyzed and the implications of the differ-ences between PLC and wireless channels, such as the absenceof fading, in the design of estimation techniques that requireknowledge of the channel statistics are discussed. A performanceanalysis of the considered techniques is accomplished in a set of171 measured indoor PLC channels. Obtained results indicatethat estimators from the header perform better than those basedon the preamble symbols and we provide a computationallysimple estimator that gives nearly optimum performance bycombining estimates from both the preamble and the headersymbols.
Age of Postmenopause Women: Effect of Soy Isoflavone in Lipoprotein and Inflammation Markers
Gladys Roxana Rocha Barrasa,Natalia González Cañete,Luis Emilio Valladares Boasi 대한폐경학회 2018 대한폐경학회지 Vol.24 No.3
Objectives: Menopause is associated with adverse metabolic changes in plasma lipoprotein and inflammation markers. Estrogens have beneficial effects on lipid metabolism and inflammation. Isoflavones (ISO) have structurally similar to estradiol. Our objective was analize the effect of soy-ISO on serum lipid and inflammatory markers (sP-selectin and sCD40L) in postmenopausal women.Methods: A 12-week randomized, double-blind, placebo-controlled intervention with soy-ISO (50 mg, twice daily) was conducted in 35 healthy postmenopausal women (55-72 years old). The women were divided in 2 groups: 20 were allocated to soy-ISO, and 15 to a placebo group.Results: The changes of total cholesterol (TC), triglycerides, low-density lipoproteins-cholesterol (LDL-C), high-density lipoprotein-cholesterol, Apo-A1, sP-selectin and sCD40L in 2 groups before and after 12-week treatment showed no statistical significance. In subgroup analysis, soy-ISO supplementation significantly decreased the levels of TC, LDL-C and sCD40L in women under 65 years old, and with null effects on serum lipid and inflammation markers in women over 65 years old. Conclusions: Soy-ISO did not significantly favorable effects on the lipid profile and inflammatory markers in postmenopausal women. However, in women under 65 years of age, soy-ISO significantly decreased the TC, LDL-C and sCD40L, whereas, no effects on lipid profile and inflammation markers in women over 65 years old were observed.
Bilateral Renal Choriocarcinoma in a Postmenopausal Woman
Tahir Karadeniz,Medih Topsakal,Orkunt Ozkaptan,Cağlar Cakır 대한비뇨의학회 2011 Investigative and Clinical Urology Vol.52 No.7
Choriocarcinoma is the most malignant tumor of gestational trophoblastic neoplasia. It grows rapidly and metastasizes to the lung, liver, and less frequently, the brain. Metastases to the kidney are rare in the literature, and bilateral involvement is even more scarce. Renal involvement of choriocarcinoma is highly exceptional and may mimic renal cell carcinoma. Here we report a case of bilateral renal choriocarcinoma presenting 5 years after a history of a total anterior hysterectomy because of a hydatidiform mole.