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Binge Eating Disorder (BED):Nutritional Prevention and Treatment 暴食症(BED):营养预防与治疗
Pub Date : 2018-05-08 DOI: 10.4172/2324-9323.1000248
Julia Maria Melo Granje
The Binge Eating Disorder (BED) is the food disorder with higher prevalence in the world’s population when compared with the classical entities Bulimia and Anorexia Nervosa. In this disorder, the person eats an excessive amount of food, losing control over what and how much is eaten, followed by feelings of guilt, shame, and/or disgust, with no use of compensatory methods. As the prognosis of BED is often found in peopleseeking treatment for weight loss, it is important that nutritionists know how to identify and conduct the correct procedures when dealing with this disorder. The objective of this study was to conduct a literature review on the role of nutrition in procedures on the prevention and on the treatmentof BED. Prevention of BED is possible by early identification of behaviors, especially food behaviors, prior to the development of this disorder. The use of screening questionnaires, body image and the research on family history are important ways to identify risk factors for BED. The awareness about diets and encouraging a healthy diet with regular schedules individualized or in groups can help in preventing BED. Binge Eating treatment should be performed by a multidisciplinary team and Nutrition’s professional are responsible for adapting the eating patterns of patients. The use of food diary and guidelines on healthy eating aimed at weight loss or not, showed positive results and should be adopted by nutritionists for the treatment of Binge Eating Disorder.
暴食症(BED)是与暴食症和神经性厌食症相比,在世界人口中发病率较高的一种食物失调症。在这种疾病中,患者吃得过多,失去了对吃什么和吃多少的控制,接着是内疚、羞耻和/或厌恶的感觉,而不使用补偿方法。由于BED的预后通常在寻求减肥治疗的人群中发现,因此营养学家在处理这种疾病时知道如何识别和执行正确的程序是很重要的。本研究的目的是对营养在BED的预防和治疗过程中的作用进行文献综述。预防BED是可能的早期识别行为,特别是食物行为,在这种疾病的发展之前。使用筛查问卷、身体形象和家族史研究是识别BED危险因素的重要方法。对饮食的认识和鼓励有规律的健康饮食,个体化或群体化可以帮助预防BED。暴饮暴食的治疗应该由一个多学科的团队进行,营养专业人员负责调整患者的饮食模式。饮食日记和健康饮食指南的使用,无论是否以减肥为目标,都显示出积极的效果,营养学家应该采用这些方法来治疗暴食症。
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引用次数: 2
Nutritional Habits and Obesity: ACase Study among PakistaniUniversities Students 营养习惯与肥胖:巴基斯坦大学生个案研究
Pub Date : 2018-04-07 DOI: 10.4172/2324-9323.1000249
M. Irfan
Objectives: To investigate the obesity intensity and relationship of socio-demographic factors like gender, residential area (Rural/Urban), Hostelite/Non-Hostelite on the nutritional habits and body mass index (BMI) among different public universities students of Pakistan. Methodology: A cross sectional survey was conducted for mentioned objectives from 10 Nov to 10 Dec 2017. Total of 442 students from five different public sector universities participated in the survey from age group 19 to 24 years. Results: Out of total 442 participants, 65.4% of participants were from urban areas and 34.6 % belong to rural areas of country. Regarding BMI; 261 (59.0%) were with Normal BMI, 113 (25.6%) were Underweight, 60 (13.6%) were Overweight and 8 (1.8%) were Obese. Statistical analysis done by using Chi-square test, which revealed positive correlation between nutritional habits and area of residence (P=0.035, Chi Value=8.627), while less convincing evidence in case of BMI and area of residence (P=0.603, Chi Value=1.855).Interdependence was observed in case of BMI and gender (p-value=0.010 ( 0.05). Conclusion: BMI calculation and statistical results revealed that significant proportion of students was in underweight (25.6%) and overweight (13.6%) category. Chi-square test validated that students from rural areas are more vegans as compared to urban areas. Applied statics confirmed the significant relationship between gender and BMI which revealed that more female students were underweight while more male were overweight. Urban areas subjects were under weight as compared to rural areas. There is dire need of nutritional education and awareness campaigns regarding healthy nutrition among students.
目的:探讨巴基斯坦不同公立大学学生的肥胖程度及性别、居住地区(农村/城市)、住校/非住校等社会人口因素与营养习惯和体重指数(BMI)的关系。方法:针对上述目标于2017年11月10日至12月10日进行横断面调查。共有来自5所不同公立大学的442名年龄在19岁至24岁之间的学生参与了调查。结果:在442名参与者中,65.4%的参与者来自城镇,34.6%的参与者来自农村。关于体重指数;体重指数正常261人(59.0%),体重过轻113人(25.6%),超重60人(13.6%),肥胖8人(1.8%)。统计分析采用卡方检验,营养习惯与居住地区呈正相关(P=0.035, Chi值=8.627),BMI与居住地区呈正相关(P=0.603, Chi值=1.855)。BMI与性别之间存在相关性(p值=0.010(0.05))。结论:BMI计算和统计结果显示,有显著比例的学生体重过轻(25.6%)和超重(13.6%)。卡方检验证实农村地区的学生比城市地区的学生更吃素。应用统计学证实了性别和身体质量指数之间的显著关系,这表明更多的女生体重过轻,而更多的男生超重。与农村地区相比,城市地区的研究对象体重不足。迫切需要在学生中开展关于健康营养的营养教育和宣传运动。
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引用次数: 1
Nutritional Evaluation and CellViability of Formulated ProbioticMillet Fruit Bar 配方益生菌小米果棒的营养评价及细胞活力
Pub Date : 2018-04-07 DOI: 10.4172/2324-9323.1000246
B. Kavitha, R. Vijayalakshmi, Poorna C. R. Yalagala, M. Illamaran, D. Sugasini
The objective of this study was to develop the probiotic millet fruit bar to obtain a product with good acceptability. For this purpose, guava and strawberry pulps were used for preparing fruit bar, skim milk powder, cereals (puffed), millet flakes, and wheat flakes, jaggery and liquid glucose of millet bar. Probiotic cell pellets were used and mixed with millet fruit bar. Moisture content ranged from 10.45 to 10.85% whereas crude fat, crude protein was significantly different in control to T3 samples. The carbohydrate and energy values were high in T1 in probiotic millet fruit bar 69.80 g/100 g and 352.60 K.cal/ Kg. The crude fibre and ash content was non-significantly different in all treatments. The maximum values for calcium 80.12 mg/100 g and Iron content was 4.10 mg/100 g in T1 samples. Total phenol, β-carotene, pectin and vitamin C differed non-significant among all treatments. The highest viability was seen in these bars 3.5 × 108 CFU/g in T1 samples. Moreover, this nutritional rich formulated probiotic bar can be beneficial for human health and gut microbiota.
本研究的目的是开发益生菌小米果棒,以获得一种接受度好的产品。为此,以番石榴浆和草莓浆为原料,分别制备了水果棒、脱脂奶粉、膨化谷物、小麦片、小麦片、粗糖和小麦片的液体葡萄糖。采用益生菌细胞微球,并与小米果棒混合。水分含量在10.45% ~ 10.85%之间,粗脂肪、粗蛋白质含量差异显著。益生菌小米果棒在T1期碳水化合物和能量值较高,分别为69.80 g/100 g和352.60 kcal / Kg。粗纤维和灰分含量在各处理间无显著差异。T1样品中钙含量最大值为80.12 mg/100 g,铁含量最大值为4.10 mg/100 g。总酚、β-胡萝卜素、果胶和维生素C在各处理间差异不显著。在T1样品中,3.5 × 108 CFU/g的细胞活力最高。此外,这款营养丰富的配方益生菌棒对人体健康和肠道微生物群有益。
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引用次数: 1
Family Meal Patterns and ChildsBMI 家庭膳食模式和儿童bmi
Pub Date : 2018-04-07 DOI: 10.4172/2324-9323.1000247
Nicole M. Weber, A. A. Karim
Our research aims to identify the factors that go into the dynamic of mealtime for children and how these factors affect health outcomes outside the nutrient composition of the meal itself. Our survey included questions that would help us understand what dynamics are present during the time when children are eating their meals at home, and if these factors directly or indirectly affect the BMI of the child. Our strongest outcome is the R-values which indicate room for further collaborative research in this growing area of nutrition.
我们的研究旨在确定影响儿童用餐时间动态的因素,以及这些因素如何在膳食本身的营养成分之外影响健康结果。我们的调查包括一些问题,这些问题将帮助我们了解孩子在家吃饭时存在的动态,以及这些因素是否直接或间接影响孩子的体重指数。我们最强的结果是r值,这表明在这个不断发展的营养领域有进一步合作研究的空间。
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引用次数: 0
Laparoscopic Treatment ofCongenital Choledochal Cysts inChildren 儿童先天性胆总管囊肿的腹腔镜治疗
Pub Date : 2018-04-07 DOI: 10.4172/2324-9323.1000245
O. Godik, Prytula, Soroutchan, A. Dubrovin
Background: In the last decade the view upon surgical treatment of congenital biliary tract malformations has significantly changed. Today the approach tends to be laparoscopic in most cases. Materials and Methods: In the last 5 years we had admitted 5 patients to our clinics with a congenital choledochal cyst (CHC). The median age was 4 years (range 11 months- 12 years). There were three patients having the type I and two having type IV cysts according to Todani’s classification. Three patients had large cysts up to 6-8 cm. Patients were positioned in the “French” position. For all the cases we used a 5 mm camera positioned transumbilicaly, and 4 working trocars 5 mm or 3 mm- depending on the age of the patient. The average time of operation was 160 ± 25 minutes. The Roux-en-Y jejunal loop was carried out extracorporaly through the umbilicus. In three cases we performed a cyst excision with a Roux-en-Y hepaticojejunostomy, and in two cases we performed hepaticoduodenostomy. Results: We made a retrospective analysis of the laparoscopic treatment of children with CHC. There were no conversions in all the MIS cases. While analyzing the time of operation we came to see that performing a hepaticoduadenostomy instead of hepaticojejunostomy shortens the time of operation by 1/3. However the post-op hospital stay did not depend on which type of anastomosis was performed, the average of which was 6 days. The follow- up was up to 3 years after operation with no stenosis, cholangitis, or other complications. Conclusion: Laparoscopic resections of CHC in children are an excellent treatment option. Selecting the type of reconstruction of the bile system weather to perform a Roux-en-Y hepaticojejunostomy or a direct hepaticoduodenostomy depends on the size and localization of the cyst, and also the length of the hepatic duct remnant after resection.
背景:近十年来,对先天性胆道畸形手术治疗的看法发生了显著变化。现在大多数情况下都是腹腔镜手术。材料和方法:在过去的5年中,我们收治了5例先天性胆总管囊肿(CHC)患者。中位年龄为4岁(范围11个月- 12岁)。根据Todani的分类,有3例为I型,2例为IV型。3例患者有6- 8cm的大囊肿。患者采用“法式”体位。对于所有病例,我们都使用了一个5毫米的经脐摄像头,以及4个5毫米或3毫米的工作套管-取决于患者的年龄。平均手术时间160±25分钟。Roux-en-Y空肠环是通过脐部体外进行的。在三个病例中,我们用Roux-en-Y肝空肠吻合术进行了囊肿切除,在两个病例中我们进行了肝十二指肠吻合术。结果:我们回顾性分析了腹腔镜治疗儿童CHC的方法。所有MIS病例均未发生转换。在分析手术时间时,我们发现采用肝腺吻合术代替肝空肠吻合术可缩短手术时间1/3。术后住院时间与吻合术类型无关,平均为6天。术后随访3年,无狭窄、胆管炎或其他并发症。结论:腹腔镜下儿童CHC切除术是一种很好的治疗选择。选择采用Roux-en-Y型肝空肠吻合术或直接肝十二指肠吻合术重建胆汁系统的方式取决于囊肿的大小和位置,以及切除后残余肝管的长度。
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引用次数: 0
Evaluation of the NutritionalStatus of Hemodialysate Patients 血液透析患者营养状况的评价
Pub Date : 2018-03-13 DOI: 10.4172/2324-9323.1000242
N. B. Amor
Introduction: Chronic hemodialysis is often malnourished which can impair the effectiveness of dialysis and increases morbidity and mortality. Evaluation of the nutritional status of these patients is difficult and requires the simultaneous use of several parameters. Patients and methods: This cross-sectional study involved 30 patients under the age of 65, followed by the nephrology department of Rabta Hospital in Tunis. These patients were recruited during a month from January to February 2017. The assessment of nutritional status was based on: a food survey, anthropometric measurements (dry weight, height, Body Mass Index, percentage of weight loss within six months, brachial circumference), biological assays (hemogram, C-reactive protein, albuminemia, blood cholesterol) and the Nutritional Risk Index. Results: More than half of our patients had an average daily energy intake <25 kcal/kg/d. Only 6.7% of our patients had satisfactory average daily protein rations. Dietary micronutrient evaluation revealed that our population had insufficient intakes of calcium, iron, vitamins B1 and B9. The frequency of malnutrition varied according to the anthropometric parameter used: 13.3% had a weight loss of more than 10% in the last 6 months, 46.7% had a Body Mass Index <23 kg/m² and 40% had a brachial circumference <22 cm. The albuminemia was <35 g/l in 36.6% of cases. Conclusion: The management of chronic hemodialysis patients must be multidisciplinary: nephrologist, nutritionist and dietician.
慢性血液透析患者往往营养不良,这可能会损害透析的有效性,增加发病率和死亡率。评估这些患者的营养状况是困难的,需要同时使用几个参数。患者和方法:这项横断面研究包括30名年龄在65岁以下的患者,随后是突尼斯Rabta医院肾脏病科。这些患者是在2017年1月至2月的一个月内招募的。营养状况的评估基于:食物调查、人体测量(干重、身高、身体质量指数、六个月内体重减轻百分比、臂围)、生物测定(血象、c反应蛋白、白蛋白血症、血胆固醇)和营养风险指数。结果:超过一半的患者平均每日能量摄入<25 kcal/kg/d。只有6.7%的患者满足平均每日蛋白质口粮。膳食微量元素评价表明,我国人群钙、铁、维生素B1和B9的摄入量不足。营养不良的频率根据所使用的人体测量参数而变化:13.3%的人在过去6个月内体重减轻超过10%,46.7%的人体重指数<23 kg/m²,40%的人臂围<22 cm。36.6%的患者白蛋白血症<35 g/l。结论:慢性血液透析患者的管理必须多学科结合:肾病科、营养科和营养师。
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引用次数: 0
Assessment of Diet and PhysicalActivity Correlation with BMI 评估饮食和身体活动与BMI的相关性
Pub Date : 2018-03-13 DOI: 10.4172/2324-9323.1000244
M. Y. Tarar, Muhammad Talha Farooq, R. Iftikhar
Assessment of Diet and Physical Activity Correlation with BMI Objectives: • To evaluate the impact of long working hours on diet and physical activity • To find out the relationship between diets, physical activity and BMI of officials having long work hours. Methodology: It’s a Cross sectional study carried out over the period of 2 months in different private sector offices. The targeted population was officials of 20-45 years of age having more than 48 hr of work a week for last 5 year. Sample size of 100 officials was selected. Officials were selected through randomized sampling Officials more than 45 yrs of age with documented diagnosis of chronic diseases were excluded to avoid disparity in results. Data was collected from Allied Bank of Pakistan (Lahore), Faysal Bank Ltd. (Lahore), Nawa-i-Waqt Newspaper Office (Lahore) with the help of structured questionnaire and anthropometric indices were calculated using standard tools for measuring height, weight and body mass index. Informed consent was taken prior to asking questions from respondent. Anonymity of the respondents was also guaranteed. Data was analyzed by using SPSS version 17 and Microsoft Excel 2010. Result: Following results were obtained: Our sample comprises of 100 subjects 80 out of which are male and 20 females.80%of the population have a post-graduation degree, 15% are graduates and 5% are undergraduates.51%of the population has homemade meal for lunch while 49% eat bakery item and visit restaurants out of which 37% of the population go to restaurants more the twice a week.83% of the officials have no physical activity. While 9% have light physical activity. 32% of the population has a BMI greater than normal limits(18.50-24.99).60% of population who don’t have lunch has a BMI within normal limits(18.50-24.99).subject having homemade lunch 52% of them has BMI in normal limits (18.50- 24.99) while people having lunch at cafeteria and restaurants 41% of them has BMI above the normal limit. Population having junk food more than twice a week 32% of them has BMI above normal limits. Conclusion: Majority of the officials don’t indulged in any kind of physical activity and if done it is not up to the standard criteria leading to increased BMI. The BMI & dietary habits on other hand depict healthy life styles adopted by most of them.
研究目标:•评估长工作时间对饮食和身体活动的影响•了解长工作时间官员的饮食、身体活动与BMI之间的关系。方法:这是一项横断面研究,在不同的私营部门办公室进行了为期2个月的研究。目标人群为20-45岁的官员,过去5年每周工作时间超过48小时。样本量为100名官员。官员是通过随机抽样选择的官员,年龄超过45岁,诊断为慢性病的官员被排除在外,以避免结果的差异。数据收集自巴基斯坦联合银行(拉合尔)、Faysal银行有限公司(拉合尔)、Nawa-i-Waqt报社(拉合尔),采用结构化问卷,并使用测量身高、体重和身体质量指数的标准工具计算人体测量指数。在向被调查者询问问题之前取得知情同意。受访者的匿名性也得到了保证。数据分析采用SPSS 17和Microsoft Excel 2010。结果:我们的样本包括100名受试者,其中80名男性,20名女性。80%的人口拥有硕士学位,15%是研究生,5%是本科生。51%的人吃自己做的午餐,49%的人吃烘焙食品并去餐馆,其中37%的人每周去两次以上的餐馆。83%的官员没有体育锻炼。而9%的人有轻微的体育活动。32%的人口BMI高于正常范围(18.50-24.99)。60%不吃午餐的人BMI在正常范围内(18.50-24.99)。在自助餐厅和餐馆用餐的人群中,有41%的人BMI高于正常值,而在自助餐厅和餐馆用餐的人群中,52%的人BMI在正常值范围内(18.50- 24.99)。每周吃两次以上垃圾食品的人32%的人身体质量指数高于正常范围。结论:大多数官员没有进行任何形式的体育锻炼,即使进行了不符合标准的体育锻炼,也会导致BMI升高。另一方面,BMI和饮食习惯描绘了大多数人所采用的健康生活方式。
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引用次数: 0
Vitamin D Status in ElderlyPatients with Type 2 Diabetes 老年2型糖尿病患者维生素D水平
Pub Date : 2018-03-13 DOI: 10.4172/2324-9323.1000243
F. Mahjoub, N. B. Amor, A. Guamoudi, C. Jemai, Ben Jemia Amani, Rihane Fatma, Olfa Beriche, Henda Jamoussi
Vitamin D Status in Elderly Patients with Type 2 Diabetes Introduction: Vitamin D deficiency is a problem with several health consequences worldwide. About 1 billion people are affected from Vitamin D deficiency. However, its prevalence is particularly high in the aged persons. The consequences of hypovitaminosis D are very serious such as osteomalacia, osteoporosis with risk of osteoporotic fractures, sarcopenia, increased cardiovascular accidents, increased blood pressure and alteration of the glycemic balance. Our study was conducted to evaluate the Vitamin D status and detect dietary deficiency on Vitamin D in elderly patients with type 2 diabetes. Patients and methods: This prospective observational study was performed between October 2016 and December 2016 involving 38 type 2 diabetic patients hospitalized in the department A of Nutrition, Diabetology and Metabolic Diseases at the National Institute of Nutrition in Tunis. An interrogation, a complete physical examination, a food survey and biological samples were done for all the patients. Results: The mean age of the study population was 70.1 ± 4.5 years. The majority of the diabetic subjects studied (95%) had hypovitaminosis D with a proven deficiency of the 29% of the cases. None of the subjects recruited had a satisfactory dietary intake of vitamin D. The parameters for which the difference was statistically significant between subjects with hypovitaminosis D and subjects with recommended rates were: high blood pressure, osteo-articular manisfestations, fasting blood glucose and HbA1c. Correlation was observed only with serum calcium corrected with p=0.02 and r=+ 0.20. Conclusion: Although we live in a very sunny country in the whole year, Tunisia is among the countries that have a fairly high prevalence of hypovitamin D, especially in elderly people. Hence we need preventive measures and systematic supplementation for groups at risk such as elderly.
老年2型糖尿病患者的维生素D状况介绍:维生素D缺乏是一个全球性的健康问题。大约有10亿人缺乏维生素D。然而,其患病率在老年人中特别高。维生素D缺乏症的后果非常严重,如骨软化症、骨质疏松症伴骨质疏松性骨折风险、肌肉减少症、心血管事故增加、血压升高和血糖平衡改变。我们的研究旨在评估老年2型糖尿病患者维生素D的状况,并检测饮食中维生素D的缺乏。患者和方法:这项前瞻性观察性研究于2016年10月至2016年12月进行,涉及突尼斯国家营养研究所营养、糖尿病和代谢疾病A科住院的38例2型糖尿病患者。对所有患者进行了询问、全面体检、食物调查和生物样本调查。结果:研究人群的平均年龄为70.1±4.5岁。研究的大多数糖尿病受试者(95%)患有维生素D缺乏症,其中29%的病例证实缺乏维生素D。招募的受试者中没有一个人的膳食维生素D摄入量令人满意。维生素D缺乏症患者与推荐率的受试者之间有统计学差异的参数是:高血压、骨关节表现、空腹血糖和糖化血红蛋白。血清钙校正后p=0.02, r=+ 0.20。结论:虽然我们生活在一个全年阳光充足的国家,但突尼斯是维生素D缺乏患病率相当高的国家之一,尤其是在老年人中。因此,我们需要对老年人等高危人群采取预防措施和系统补充。
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引用次数: 0
Superior Mesenteric ArterySyndrome with: GastricEmphysema, Gas in the PortalVein and Pneumoperitoneum Dueto Anorexia Nervosa 肠系膜上动脉综合征:由神经性厌食症引起的胃肺气肿、门静脉气体和气腹
Pub Date : 2018-03-05 DOI: 10.4172/2324-9323.1000240
Klaudia Korecka, G. Kudela, Magdalena Lucyga, M. Janas-Kozik, I. Jelonek, A. Pastuszka, T. Koszutski
12- year- old patient suffering from anorexia nervosa feeding implementation after a period of prolonged fasting cause a refeeding syndrome, which manifests itself as acute electrolytes deficiency resulting in dysfunction of the entire organism, including bowel transit time disorders. Gastric antral electrical dysarhythmias which develop in this mechanism promote dilatation of the stomach. Concomitant compression and obstruction of the third portion of the duodenum due to superior mesenteric artery syndrome (Superior Mesenteric Artery syndrome) results in stomach dilatation, which can lead to gastric emphysema and pneumoperitoneum. The pathomechanisms described above create a vicious circle mechanism general symptom in the young patient.Gastric emphysema with gas in the portal vein and Superior mesenteric artery syndrome are potentially threatening complications of chronic malnutrition and anorexia. Intensive conservative treatment with a control CT scan after 24 to 48 hours may be useful when making the decision to withdraw from surgical procedure. Releasing the duodenum from the compression gives the opportunity to eliminate one element of the vicous circle mechanism as far as the treatment of eating disorders is concerned.
12岁神经性厌食症患者在长时间禁食后实施进食导致再进食综合征,其表现为急性电解质缺乏,导致整个机体功能障碍,包括肠运输时间紊乱。在这种机制下发生的胃窦电性心律失常促进胃的扩张。肠系膜上动脉综合征(肠系膜上动脉综合征)同时压迫和阻塞十二指肠第三段,导致胃扩张,可导致胃气肿和气腹。上述病理机制形成了一个恶性循环机制,这是年轻患者的普遍症状。胃气肿伴门静脉气体和肠系膜上动脉综合征是慢性营养不良和厌食症的潜在威胁并发症。在决定退出手术时,24至48小时后进行强化保守治疗和对照CT扫描可能是有用的。就饮食失调的治疗而言,将十二指肠从压迫中释放出来,就有机会消除恶性循环机制的一个因素。
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引用次数: 0
Optimization of the Fish OilEnzymatic Hydrolysis Degreeto Produce Omega-3 UsingResponse Surface Method 响应面法优化鱼油酶解度生产Omega-3
Pub Date : 2018-03-05 DOI: 10.4172/2324-9323.1000241
S. Raharja, O. Suparno, D. Mangunwidjaja, Ida Nur Rakhmi, Ani Nuraisyah
Lemuru fish oil is source of unsaturated fatty acids omega-3 which is good for health. Many studies have been carried out to enriche omega-3 fatty acids as food additives. In order to maximize production of omega-3, optimization of the effect factors in producing omega-3 need to be done. Response surface method (RSM) is a preferred method for developing and analyzing the response influenced by those factors so that it can optimize the response. The research was conducted with the aim of optimizing the enzymatic hydrolysis of fish oil using lipase from Aspergillus niger by varying the reaction factors such as: temperature, pH, addition of water, and stirring speed by RSM as the research design. Optimal results were found when the temperature was 44.7oC, pH was 5.01, water added was as much as 5.04% v/v, and stirring speed was 210.48 rpm. Design expert 7 was used in calculating the optimum responses. It was predicted that the value of hydrolysis rate was 51.74%, but the verification result showed 50.93%. The difference beetwen the predicted result and the verification result was less than 5%, indicating that the model is feasibly predictable to calculate the precentage of hydrolysis of lemuru fish oil.
狐猴鱼油是对健康有益的不饱和脂肪酸-3的来源。已经进行了许多研究来丰富omega-3脂肪酸作为食品添加剂。为了最大限度地生产omega-3,需要对生产omega-3的影响因素进行优化。响应面法(RSM)是开发和分析受这些因素影响的响应以优化响应的首选方法。以黑曲霉脂肪酶为原料,通过改变反应温度、pH值、加水量、搅拌速度等因素作为研究设计,对鱼油的酶解效果进行了优化。当温度为44.7℃,pH为5.01,加水量为5.04% v/v,搅拌速度为210.48 rpm时,获得最佳效果。设计专家7用于计算最优响应。预测水解率为51.74%,验证结果为50.93%。预测结果与验证结果的差异小于5%,表明该模型可用于计算狐猴鱼油的水解率。
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Journal of Food and Nutritional Disorders
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