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Pomegranate’s Ellagitannins: Metabolism and Mechanisms of Health Promoting Properties 石榴鞣花单宁:促进健康的代谢和机制
Pub Date : 2019-10-30 DOI: 10.19080/nfsij.2019.09.555766
P. Silacci, M. Tretola
The health benefits of pomegranate consumption have been known since the antiquity. More recently, the biological activities of pomegranate, including its anti-bacterial, antioxidant, anti-inflammatory and anticarcinogenic properties, have raised great interests in the scientific community and they have been the subject of a large number of scientific studies. Several phenolic compounds are present in various parts of the fruit, of which ellagitannins, hydrolysable tannins considered responsible for most health benefits of pomegranate. Despite all these efforts, the actual effectors remain unidentified and the mechanisms of action only partially elucidated. This is probably due to the complex catabolic pathway of these molecules that takes place in the gastrointestinal tract, involving both microbial and cellular modifications before entering the bloodstream. The diversity of the intestinal microbiota in the human population leads to the production of different metabolites in individuals, contributing to the heterogeneity of the response to dietary pomegranate assumption. This complex situation determines the need for special attention in designing studies on the action of ellagitannins on both cell cultures and animal models.
食用石榴对健康的好处自古以来就为人所知。近年来,石榴的生物活性,包括其抗菌、抗氧化、抗炎和抗癌特性,引起了科学界的极大兴趣,并成为大量科学研究的主题。几种酚类化合物存在于石榴的不同部位,其中鞣花单宁,水解单宁被认为对石榴的大多数健康有益。尽管所有这些努力,实际的效应仍然不明,作用机制只是部分阐明。这可能是由于这些分子在胃肠道中发生复杂的分解代谢途径,在进入血液之前涉及微生物和细胞修饰。人类肠道微生物群的多样性导致个体产生不同的代谢物,从而导致对饮食石榴假设的反应的异质性。这种复杂的情况决定了在设计鞣花单宁对细胞培养和动物模型的作用的研究时需要特别注意。
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引用次数: 6
Relationship of Diet to Depression 饮食与抑郁症的关系
Pub Date : 2019-08-26 DOI: 10.19080/nfsij.2019.09.555761
Shaza Shaaban Zackaria Mohammed
Brown et al. [2] defined depression as a disorder presented with major symptoms like increased sadness and anxiety, loss of appetite, depressed mood, and a loss of interest and pleasure in activities previously perceived pleasurable. Patients suffering of depression have a suicidal tendency to a larger degree and hence are usually treated with antidepressants and/or psychotherapy [2]. Hence to establish an effective therapeutic intervention is necessary to provide a better quality of life for the patients and a positive outcome to the community.
Brown等人[2]将抑郁症定义为一种以悲伤和焦虑增加、食欲不振、情绪低落、对先前认为愉快的活动失去兴趣和乐趣等主要症状为表现的疾病。抑郁症患者有更大程度的自杀倾向,因此通常采用抗抑郁药和/或心理治疗[2]。因此,建立有效的治疗干预是必要的,为患者提供更好的生活质量,并为社区带来积极的结果。
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引用次数: 0
Renealmia alpinia (Rottb.) Maas: An Unappreciated Fruit Current and Potential Uses of the Fruit 阿尔卑斯病(腐烂病)马斯:一种未被重视的水果,目前和潜在的用途
Pub Date : 2019-07-31 DOI: 10.19080/NFSIJ.2019.09.555755
J. Oscar, L. Lorena, Luna José
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引用次数: 0
Encapsulation: strategy for β-carotene Preservation 封装:β-胡萝卜素保存策略
Pub Date : 2019-06-27 DOI: 10.19080/NFSIJ.2019.09.555751
D. Otero, Camila Duarte Ferreira-Ribeiro, I. L. Nunes
Despite the potential health benefits that may be gained from ingestion of this natural molecule, it is often difficult to incorporate β-carotene into functional food products because of its poor water solubility, chemical instability, and low bioavailability [8,9]. Therefore, it is necessary to seek some approaches to address this problem the encapsulation being a strategy to protect this compound.
尽管摄入这种天然分子可能对健康有潜在的好处,但由于β-胡萝卜素水溶性差、化学不稳定性和生物利用度低,通常很难将其加入功能性食品中[8,9]。因此,有必要寻求一些方法来解决这一问题,并将其封装为一种保护该化合物的策略。
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引用次数: 0
Chronic Bovine Mastitis: A Food Safety Issue and Public Health Hazard 慢性牛乳腺炎:食品安全问题和公共健康危害
Pub Date : 2019-05-10 DOI: 10.19080/nfsij.2019.08.555747
M. Garvey
Milk is a nutrient dense liquid containing fats, proteins, carbohydrates and vitamins which provides an ideal matrix for the growth of many pathogenic microbial species. The presence of intramammary infections in bovine species has a significant impact on the dairy industry due to losses in the quantity and quality of milk. Causative agents of disease may gain entry into milk-based food items at any stage of food production and is typically an indicator of poor manufacture practices. Species such as S. aureus, S. uberis, S. agalactiae, E. coli and Pseudomonas have been known to induce sub-clinical or clinical mastitis which may persist chronically. In addition to possessing antimicrobial resistance mechanisms, these species are often adapted to the host immune system with virulence factors enabling them to colonize and thrive within the mammary gland. Therefore, while providing an invaluable food source to countless people globally, dairy produce may also act as a reservoir for disease and morbidity to consumers. The World Health Organization has listed Enterobacteriaceae and Pseudomonas as critically important on its watch list of priority pathogens challenging human safety. As such, the bacteriological safety of milk and dairy food represents a serious health hazard which producers must overcome. The association between food and nutrition impact on human and animal health related quality of life and economics is an important aim of the One Health approach. Efficient farm and milk management programs including optimal treatment of clinical mastitis cases, culling of non-responsive cows, cow teat and machine disinfection and maintenance is essential in controlling mastitis outbreaks within herds.
牛奶是一种营养丰富的液体,含有脂肪、蛋白质、碳水化合物和维生素,为许多致病微生物种类的生长提供了理想的基质。由于牛奶的数量和质量的损失,奶牛的乳腺内感染的存在对乳制品工业产生了重大影响。在食品生产的任何阶段,病原体都可能进入以牛奶为基础的食品,这通常是不良生产做法的一个指标。已知金黄色葡萄球菌、uberis葡萄球菌、无乳葡萄球菌、大肠杆菌和假单胞菌等物种可诱发亚临床或临床乳腺炎,并可能长期持续。除了具有抗菌素耐药性机制外,这些物种通常适应宿主免疫系统,毒力因子使它们能够在乳腺内定植并茁壮成长。因此,在为全球无数人提供宝贵食物来源的同时,乳制品也可能成为消费者疾病和发病率的蓄水池。世界卫生组织已将肠杆菌科和假单胞菌列为威胁人类安全的重要病原体观察名单。因此,牛奶和乳制品的细菌安全是生产者必须克服的严重健康危害。食品和营养对人类和动物健康相关生活质量的影响与经济之间的联系是“同一个健康”方针的一个重要目标。有效的农场和牛奶管理方案,包括临床乳腺炎病例的最佳治疗、扑杀无反应的奶牛、牛乳和机器消毒和维护,对于控制畜群内乳腺炎暴发至关重要。
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引用次数: 2
Wheat Germs and their Protein Quality for Human Nutrition 人类营养用小麦胚芽及其蛋白质品质
Pub Date : 2019-05-06 DOI: 10.19080/NFSIJ.2019.08.555746
M. Brestenský
The wheat germs are by-product originating from milling industry. But there is a little information about protein quality of wheat germ as nutritional protein source in human nutrition. Therefore, this paper reveals the protein quality of this by-product. Wheat germs are rich in protein content which is about 36.5 %. Wheat germs are characterized by high standardized ileal digestibility of protein and amino acids. A digestible indispensable ileal amino acid score (DIAAS), as the lowest ratio between the content of standardized ileal digestible amino acid in the protein source and amino acid requirements for people, is 82 %. It is limited by leucine. Content of other amino acids, with exception of isoleucine, is in surplus. The DIAAS reference ratio for isoleucine is 0.93 and for the other amino acids is in a range from 1.01 (tryptophan) to 1.28 (threonine). The DIAAS reference ratio for sulfur amino acids is 1.11. In conclusion, wheat germs are a rich source of a high-quality protein, with a high ileal digestible amino acids content. Protein quality based on DIAAS is limited by leucine followed by isoleucine, but other amino acids are in surplus. By an inclusion of wheat germs in nutrition we can obtain new protein source while
小麦胚芽是制粉工业的副产品。但目前对小麦胚芽作为人类营养蛋白源的蛋白质品质研究还很少。因此,本文揭示了该副产物的蛋白质质量。小麦胚芽中蛋白质含量丰富,约为36.5%。小麦胚芽具有较高的蛋白质和氨基酸的标准化回肠消化率。可消化回肠不可消化氨基酸评分(DIAAS)是蛋白质源中标准化回肠可消化氨基酸含量与人体氨基酸需要量之间的最低比值,为82%。它受到亮氨酸的限制。除异亮氨酸外,其他氨基酸含量过剩。异亮氨酸的DIAAS参考比值为0.93,其他氨基酸的参考比值范围为1.01(色氨酸)至1.28(苏氨酸)。硫氨基酸的DIAAS参比为1.11。综上所述,小麦胚芽是一种优质蛋白质的丰富来源,具有较高的回肠可消化氨基酸含量。基于DIAAS的蛋白质质量受亮氨酸限制,其次是异亮氨酸,但其他氨基酸过剩。在营养中加入小麦胚芽可以获得新的蛋白质来源
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引用次数: 1
Volatile Compounds Changes in Unfermented Robusta Coffee by Re-Fermentation Using Commercial Kefir 商用开菲尔再发酵后未发酵罗布斯塔咖啡挥发性成分的变化
Pub Date : 2019-04-23 DOI: 10.19080/NFSIJ.2019.08.555745
A. Afriliana, D. Pratiwi, Giyarto, M. Belgis, H. Harada, Mitoma Yushiharu, M. Taizo
Robusta coffee usually has a low quality because the formation of flavored precursors is imperfect. The efforts to form a flavored precursor of unfermented Robusta coffee can be done by re-fermenting the coffee using reproduction which is able to help the formation of flavored precursors such as lactic acid bacteria found in kefir. The appropriate temperature condition and time period are needed to be considered in re-fermenting the unfermented Robusta coffee. This study aimed to determine the effect of temperature and time on the volatile compound’s changes in unfermented Robusta coffee by commercial kefir. This study used two factors, including temperature (27, 37 and 47 ℃) and re-fermentation time (6, 12 and 18 hours). The results showed that duration and temperature of re-fermenting could improve the aroma characteristics and volatile compounds. Re-fermentation of Robusta coffee bean can increase total of volatile compounds at 37 ℃ for 18 hours. The increasing volatile compounds of acid, alcohol, aldehyde and acetate groups contributed to give the pleasant aroma as follows acidy, fruity, nutty and caramelly aroma.
罗布斯塔咖啡通常质量较低,因为调味前体的形成并不完美。要想在未发酵的罗布斯塔咖啡中形成一种有味道的前体,可以通过对咖啡进行再发酵来实现,这种方法可以帮助形成有味道的前体,比如在开菲尔咖啡中发现的乳酸菌。在对未发酵的罗布斯塔咖啡进行再发酵时,需要考虑适当的温度条件和时间。本研究旨在确定温度和时间对商业开菲尔未发酵罗布斯塔咖啡中挥发性化合物变化的影响。本研究采用温度(27、37和47 )和再发酵时间(6、12和18小时)两个因素。结果表明,再发酵的时间和温度可以改善其香气特性和挥发性成分。罗布斯塔咖啡豆在37 ”系数下再发酵18小时,挥发性化合物总量增加。酸、醇、醛和乙酸基挥发性化合物的增加有助于产生令人愉悦的香气,包括酸、果味、坚果味和焦糖味。
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引用次数: 6
Nutrient and Bioactive Analyses of Forests Foods for Policy Making on Food and Nutrition Security in Central Africa 为中非粮食和营养安全政策制定提供的森林食品营养和生物活性分析
Pub Date : 2019-03-08 DOI: 10.19080/NFSIJ.2019.08.555737
R. Fungo, J. Tieguhong
A serious public health challenge may be envisaged in central Africa, especially with a growing population, rapid westernization of traditional African diets and increasing demand for sufficient essential nutrients and bioactive compounds. However, having the second largest tropical rainforest basin in the world, forest foods that are widely consumed in Central Africa contain adequate essential nutrients such as carotenoids, flavonoids, proanthocyanins, polyphenols, vitamins C and E, Fe, Se, Ca and Na. This review purports that forest foods can considerably contribute towards meeting human nutrient requirements by replacing imported western foods that are generally more expensive and lower in essential nutrients. We recommend that forest foods should be considered in setting nutrition education strategies and formulating policies governing food and nutrition security in Central Africa.
中非可能面临严重的公共卫生挑战,特别是人口不断增长,传统非洲饮食迅速西化,对足够的基本营养素和生物活性化合物的需求不断增加。然而,由于拥有世界第二大热带雨林盆地,中非广泛消费的森林食物含有充足的必需营养素,如类胡萝卜素、类黄酮、原花青素、多酚、维生素C和E、铁、硒、钙和钠。这项审查的目的是,森林食品可以大大有助于满足人类对营养的需求,因为它们取代了进口的西方食品,这些食品通常比较昂贵,基本营养素含量较低。我们建议在制定营养教育战略和制定中非粮食和营养安全政策时考虑森林食品。
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引用次数: 1
Sodium for the Prevention of Grass Tetany and Fetal Losses Associated with Nitrate Toxicosis in Herbivores 钠预防草食动物硝酸盐中毒引起的草性手足搐搦症和胎儿损失
Pub Date : 2018-12-06 DOI: 10.19080/NFSIJ.2018.08.555728
Swerczek Tw
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引用次数: 3
Sensory Evaluation of Ancient whole Grain Gluten- free Buckwheat, Peanut Meal, Beets Flatbreads 古代全谷物无麸质荞麦,花生粉,甜菜面饼的感官评价
Pub Date : 2018-10-30 DOI: 10.19080/nfsij.2018.07.555722
T. Kahlon
The sensory evaluation of whole grain, gluten-free, Buckwheat (B), Peanut Meal (P) and Beets (B) flatbreads was conducted. The flatbreads were BPB, BPB-Onions, BPB-Garlic and BPB-Ginger. Buckwheat is an ancient grain, gluten-free and good source of many essential minerals. Peanut Meal was utilized to formulate higher protein flatbreads and to add value to this low value farm byproduct. Fresh beets a vegetable with bile acid binding and health promoting potential was used to increase vegetable consumption. Onions, garlic and ginger contain many healthful phytonutrients. The levels of buckwheat, peanut meal, beets, onions, garlic and ginger were determined by consensus of the laboratory personnel. Flatbread dough was prepared using 55-83ml water per 100g as is ingredients. The ingredients were Buckwheat flour, Peanut Meal and Beets (22-33%) as is basis. Onions, Garlic and Ginger flatbreads contained 33%, 8% and 20% of the respective ingredients. 50g flatbread dough was pressed between parchment paper in Sol Luna tortilla press to about 8-inch circle. They were cooked in flatbread cooker for 2-2.25 minutes at (165-195 ͦC). Seventy-seven in-house volunteers evaluated Color/Appearance, Texture/Mouth feel as well as Acceptance of the four kinds of flatbreads tested to be statistically similar. Odor/Aroma of BPB-Onions was significantly (p ≤ 0.05) higher than BPB flatbreads. Taste/ Flavor of the BPB-Onions and BPB-Garlic was similar and significantly better than BPB-Ginger and BPB flatbreads. For BPB-Ginger flatbreads these values were also significantly higher than BPB. The acceptance of the flatbreads tested was BPB-Onions 79%, BPB-Garlic 78%, BPB 68% and BPB-Ginger 66%. These flat breads used only 3-4 ingredients and could be made in any house kitchen or commercial production. These whole gain, high protein, gluten-free, vegetable, flatbreads offer tasty, nutritious and healthy choice to all and those sensitive to gluten.
对全谷物、无麸质、荞麦(B)、花生粕(P)和甜菜(B)面饼进行感官评价。面饼是BPB, BPB洋葱,BPB大蒜和BPB姜。荞麦是一种古老的谷物,无麸质,是许多必需矿物质的良好来源。花生粕被用来制作高蛋白面饼,并为这种低价值的农场副产品增加价值。鲜甜菜是一种具有胆汁酸结合和促进健康潜力的蔬菜。洋葱、大蒜和姜含有许多有益健康的植物营养素。荞麦、花生粉、甜菜、洋葱、大蒜和姜的含量是由实验室人员一致确定的。用每100克55-83ml的水制作面饼。主要成分为荞麦粉、花生粉和甜菜(22-33%)。洋葱、大蒜和姜面饼的成分含量分别为33%、8%和20%。50g面饼在Sol Luna玉米饼压榨机的羊皮纸之间压成约8英寸的圆圈。在(165-195ºC)的平底锅中煮2-2.25分钟。77名内部志愿者评估了四种面饼的颜色/外观、质地/口感以及接受度,这些面饼在统计上是相似的。BPB洋葱的气味/香气显著(p≤0.05)高于BPB面饼。BPB-洋葱和BPB-大蒜的口感/风味相似,明显优于BPB-姜和BPB大饼。对于BPB-姜饼,这些值也显著高于BPB。接受测试的大饼是BPB-洋葱79%,BPB-大蒜78%,BPB 68%, BPB-姜66%。这些扁面包只使用3-4种原料,可以在任何家庭厨房或商业生产中制作。这些全脂、高蛋白、无麸质、蔬菜面饼为所有人和对麸质敏感的人提供了美味、营养和健康的选择。
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引用次数: 2
期刊
Nutrition & Food Science International Journal
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