Food, Fortified

食物,强化
  • 文章类型: Journal Article
    心血管疾病每年导致近1800万人死亡,所有非传染性疾病中最多的。减少膳食盐的消耗是一个可改变的危险因素。世卫组织建议每日钠摄入量<2000毫克,但全球许多国家的平均摄入量超过这一水平。为帮助有效的减盐政策而提出的策略包括产品重新制定,包装标签的前面,行为改变运动和建立低钠支持环境。然而,用于家庭和加工食品的盐是,在全部或部分采用普遍盐碘化政策的国家,全民碘强化的主要手段。有了减盐政策,人们担心碘缺乏病可能会再次出现。认识到迫切需要应对不断上升的非传染性疾病流行率,但又不存在重新出现碘摄入不足的风险和有害影响,这篇综述阐述了整合减盐和盐碘强化策略的可行性。通过按人群定制,减少与钠摄入过多或碘不足相关的健康风险负担,涉及盐的成本效益战略既是可行的,也是可以实现的,并代表了改善公共卫生结果的机会。
    Cardiovascular diseases account for almost 18 million deaths annually, the most of all non-communicable diseases. The reduction of dietary salt consumption is a modifiable risk factor. The WHO recommends a daily sodium intake of <2000 mg but average consumption exceeds this in many countries globally. Strategies proposed to aid effective salt reduction policy include product reformulation, front of pack labelling, behavioural change campaigns and establishing a low-sodium-supportive environment. Yet, salt for household and processed food use is, in countries wholly or partially adopting a universal salt iodisation policy, the principal vehicle for population-wide iodine fortification. With salt reduction policies in place, there is concern that iodine deficiency disorders may re-emerge. Recognising the urgency to tackle the rising prevalence of NCDs yet not risk the re-emergence and detrimental effect of inadequate iodine intakes, this review lays out the feasibility of integrating both salt reduction and salt iodine fortification strategies. Reducing the burden of health risks associated with an excessive sodium intake or inadequate iodine through population-tailored, cost-effective strategies involving salt is both feasible and achievable, and represents an opportunity to improve outcomes in public health.
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  • 文章类型: Journal Article
    维生素B9(叶酸)的健康益处是有据可查的,特别是在怀孕期间的神经管缺陷;然而,关于食用叶酸补充剂和富含叶酸的食物对健康的影响和风险,还有很多需要了解。2020年,我们的实验室对食品强化倡议(FFI)数据集进行了基于人群的分析,以确定在国家一级针对强制性强化谷物的神经管缺陷(NTD)患病率的证据强度。我们发现NTDs的患病率与叶酸强化水平之间的相关性非常弱,而与强化的谷物无关(小麦,玉米,或米饭)。我们发现减少的NTD和更高的社会经济地位(SES)之间存在很强的线性关系。我们的论文引发了关于适当统计数据用于人口水平数据的辩论。随后,我们的原作有大量错误引用。这里的目的是进行文献计量分析,以定量引用墨菲和韦斯特马克的出版物的准确性,“叶酸强化和神经管缺陷风险:食品强化倡议数据集的分析”。我们发现70%的不准确率。这些发现凸显了在引用科学文献时增加严格性的迫切需要,特别是直接影响公共卫生政策的生物医学研究。
    The health benefits of vitamin B9 (folate) are well documented, particularly in regard to neural tube defects during pregnancy; however, much remains to be learned regarding the health effects and risks of consuming folic acid supplements and foods fortified with folic acid. In 2020, our laboratory conducted a population-based analysis of the Food Fortification Initiative (FFI) dataset to determine the strength of the evidence regarding the prevalence of neural tube defects (NTD) at the national level in response to mandatory fortification of cereal grains with folic acid. We found a very weak correlation between the prevalence of NTDs and the level of folic acid fortification irrespective of the cereal grain fortified (wheat, maize, or rice). We found a strong linear relationship between reduced NTDs and higher socioeconomic status (SES). Our paper incited a debate on the proper statistics to employ for population-level data. Subsequently, there has been a large number of erroneous citations to our original work. The objective here was to conduct a bibliometric analysis to quantitate the accuracy of citations to Murphy and Westmark\'s publication entitled, \"Folic Acid Fortification and Neural Tube Defect Risk: Analysis of the Food Fortification Initiative Dataset\". We found a 70% inaccuracy rate. These findings highlight the dire need for increased rigor in citing scientific literature, particularly in regard to biomedical research that directly impacts public health policy.
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  • 文章类型: Journal Article
    背景:不安腿综合征(RLS)是一种令人不快的疾病,会影响患者的生活质量。其患病率在经前综合征(PMS)女性中增加。维生素D通过对钙稳态和神经递质的影响在女性生殖中起关键作用。我们旨在评估维生素D3强化乳制品对PMS女性RLS的影响。
    方法:我们进行了2.5个月,随机化,全盲临床试验,以评估富含维生素D的低脂牛奶和酸奶对PMS女性RLS的有效性。在141名患有腹部肥胖的中年女性中,71例和70例接受强化和非强化低脂乳制品,分别。所有受试者完成症状筛查工具(PSST)和RLS问卷。
    结果:结果显示,在患有严重PMS(PSST>28)的女性中,维生素D强化后,血清维生素D水平显着增加。干预后,重度PMS亚组(PSST>28)的平均不宁腿评分显着降低(p<0.05。在所有个体中,干预组和对照组之间的血清维生素D水平显着不同(PSST<19,PSST19-28和PSST>28)(p<0.05),但三个PMS亚组中干预组和对照组的RLS评分差异无统计学意义(p>0.05)。
    结论:用维生素D3强化乳制品可以提高重度PMS女性的血清维生素D水平并降低RLS严重程度,但不是在其他群体。
    BACKGROUND: Restless legs syndrome (RLS) is an unpleasant condition that affects the quality of life of patients. Its prevalence in increased in women with premenstrual syndrome (PMS). Vitamin D plays a key role in female reproduction through its impact on calcium homeostasis and neurotransmitters. We aimed to evaluate the effect of dairy products fortified with Vitamin D3 on RLS in women with PMS.
    METHODS: We conducted a 2.5-month, randomized, total-blinded clinical trial to evaluate the effectiveness of low-fat milk and yogurt fortified with vitamin D on RLS in women with PMS. Among 141 middle-aged women with abdominal obesity, 71 and 70 cases received fortified and non-fortified low-fat dairy products, respectively. All subjects completed a Symptoms Screening Tool (PSST) and RLS questionnaires.
    RESULTS: The results showed that in the women with severe PMS (PSST > 28), serum levels of vitamin D increased significantly following vitamin D fortification. The mean restless legs score in the severe PMS subgroup (PSST > 28) was significantly lower after the intervention (p < 0.05. Serum Vitamin D levels significantly differed between intervention and control groups in all individuals (PSST < 19, PSST 19-28, and PSST > 28) (p < 0.05), but no significant differences were found between RLS scores of the intervention and control groups in the three PMS subgroups (p > 0.05).
    CONCLUSIONS: Fortifying dairy products with vitamin D3 can increase the serum levels of vitamin D and reduce the RLS severity in women with severe PMS, but not in other groups.
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  • 文章类型: Journal Article
    这项研究的目的是获得富含ACTICOA可可粉(ACTICOA)的饮用酸奶,其提取物(EACTICOA)和纯酚类,以及它们与环糊精和藻酸盐-壳聚糖(A-Ch)胶囊的包合物,并评估这些添加剂对乳酸菌(LAB)的活力和新鲜酸奶和在4°C下储存14天的酸奶的抗氧化性能的影响。将游离形式和EACTICOA形式的可可酚类化合物应用于酸奶导致酚类化合物浓度的最大增加和强化产品的抗氧化性能的显著改善。在富含游离槲皮素(107.98mgCE/g)的酸奶中发现最高的TPC。用游离没食子酸强化的酸奶显示出最高的中和自由基的能力(EC50=2.74mg/mgDPPH,EC50=5.40mg/mgABTS)和还原三价铁离子(183.48µMTrolox/g)。用测试的酚类化合物制剂富集酸奶,特别是以封装的形式,在储存期间不影响LAB的活力。
    The aim of this study was to obtain drinking yogurts enriched with ACTICOA cocoa powder (ACTICOA), its extract (EACTICOA) and pure phenolics, as well as their inclusion complexes with cyclodextrins and alginate-chitosan (A-Ch) capsules, and to evaluate the effects of these additives on the viability of lactic acid bacteria (LAB) and antioxidant properties of fresh yogurts and yogurts stored for 14 days at 4 °C. The application of cocoa phenolic compounds in free form and in the form of EACTICOA to yogurts resulted in the greatest increase in the concentration of phenolic compounds and a significant improvement in the antioxidant properties of the fortified products. The highest TPC was found in yogurts enriched with free quercetin (107.98 mg CE/g). Yogurt fortified with free gallic acid showed the highest ability to neutralize free radicals (EC50 = 2.74 mg/mg DPPH, EC50 = 5.40 mg/mg ABTS) and reduce ferric ions (183.48 µM Trolox/g). The enrichment of yogurts with the tested phenolic compounds preparations, especially in the form of encapsulates, did not affect the viability of LAB during storage.
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  • 文章类型: Journal Article
    在肥胖大流行期间,开发维持益生元益处而不显著影响膳食味道的改性膳食纤维是非常重要的。这些好处包括调节肠道微生物群的组成,增加饱腹感,改善人体代谢参数。这项研究调查了使用马铃薯淀粉衍生的抗性糊精(RD),具有益生元特性,作为蔬菜水果制剂中的潜在添加剂,有助于减肥和改善超重儿童的健康指标。HPLC用于检测代谢产物,如乳酸,短链脂肪酸(SCFA;甲酸,乙酸,丙酸,丁酸,和戊酸),和支链脂肪酸(BCFA;异丁酸和异戊酸)。α-葡萄糖苷酶的活性,β-葡萄糖苷酶,α-半乳糖苷酶,β-半乳糖苷酶,使用分光光度法在400nm的波长下测量粪便样品中的β-葡糖醛酸糖苷酶。在食用制剂6个月后,将RD掺入蔬菜水果制剂中,在测试代谢物(SCFA和BCFA)的浓度增加和粪便酶活性增强方面产生了有利的结果。此外,即使在停止治疗后,这些效果仍可持续3个月。研究表明,在蔬菜水果制剂中加入RD可以增强肥胖和超重儿童的代谢参数,因此为这些制剂在工业中的广泛使用提供了强有力的理由。
    Developing modified dietary fibers that maintain prebiotic benefits without significantly affecting meal taste is of high importance in the midst of the obesity pandemic. These benefits include regulating the composition of gut microbiota, increasing feelings of fullness, and improving human metabolic parameters. This study investigated the use of a resistant dextrin (RD) derived from potato starch, which possesses prebiotic properties, as a potential additive in vegetable-fruit preparations that aid weight loss and improve health markers in overweight children. HPLC was employed to examine metabolites like lactic acid, short-chain fatty acids (SCFAs; formic, acetic, propionic, butyric, and valeric acids), and branched-chain fatty acids (BCFAs; isobutyric and isovaleric acids). The activities of α-glucosidase, β-glucosidase, α-galactosidase, β-galactosidase, and β-glucuronidase enzymes in fecal samples were measured using spectrophotometric analysis at a wavelength of 400 nm. Incorporating the RD into vegetable-fruit preparations yielded favorable outcomes in terms of increased concentrations of the tested metabolites (SCFAs and BCFAs) and enhanced fecal enzyme activities after 6 months of consuming the preparations. Furthermore, these effects were found to last for an extended period of 3 months even after discontinuing the treatment. The study has shown that including RD into vegetable-fruit preparations enhances the metabolic parameters of obese and overweight children, hence providing a strong rationale for the widespread usage of these preparations in the industry.
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  • 文章类型: Journal Article
    本研究旨在通过血液参数研究抗氧化剂和菜籽油生物强化的肉类对老年人健康的影响。80名住院老年人被分为四组,他们接受了以下治疗:C-对照肉,含46µg/kg的硒肉,3.80g/kg含维生素E的肉和0.78g/100g含共轭亚油酸(CLA)的肉;A-抗氧化剂肉,含422µg/kg含硒的肉,7.65克/公斤含维生素E的肉和0.85克/100克含CLA的肉;含57克/公斤含硒的肉的O油肉,3.98g/kg含维生素E的肉和1.27g/100g含CLA的肉;OA-油和抗氧化剂肉,含367µg/kg含硒的肉,7.78g/kg含维生素E的肉和1.08g/100g含CLA的肉。在开始摄入肉类后0、45和90天收集血液样品。食用ANT(A和AO)肉的老年人硒浓度较高(p=0.039),维生素E和HDL(高密度脂蛋白的浓度较高,p=0.048)在他们的血液中。这项研究表明,食用硒和维生素E生物强化的肉类会增加老年人血液中这些代谢物的浓度。
    This study aimed to investigate the effects of meat biofortified with antioxidants and canola oil on the health of older adults through blood parameters. Eighty institutionalized older persons were divided into four groups who received the following treatments: C-control meat with 46 µg/kg of meat with selenium, 3.80 g/kg of meat with vitamin E and 0.78 g/100 g of meat with conjugated linoleic acid (CLA); A-antioxidant meat with 422 µg/kg of meat with selenium, 7.65 g/kg of meat with vitamin E and 0.85 g/100 g of meat with CLA; O-oil meat with 57 µg/kg of meat with selenium, 3.98 g/kg of meat with vitamin E and 1.27 g/100 g of meat with CLA; OA-oil and antioxidant meat with 367 µg/kg of meat with selenium, 7.78 g/kg of meat with vitamin E and 1.08 g/100 g of meat with CLA. Blood samples were collected at 0, 45 and 90 days after the start of meat intake. Older adults who consumed ANT (A and AO) meat had higher concentrations of selenium (p = 0.039), vitamin E and HDL (higher concentrations of high-density lipoprotein, p = 0.048) in their blood. This study demonstrates that the consumption of Se- and vitamin E-biofortified meat increases the concentration of these metabolites in blood from older adults.
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  • 文章类型: Journal Article
    需要使用元素铁粉(EIP)的有效食物强化策略来对抗缺铁性贫血。这项研究的目的是确定四种食品级EIP(El-Lyte(EL),Hi-Sol(HS),H-325(H3),和A-131(A1))通过用14d铁补充饮食(未煮熟和煮熟)处理贫血大鼠,用12、24或36毫克铁/公斤的EIP饮食强化,一水合硫酸亚铁(FS,FeSO4•H2O),或不添加铁(对照),n=9-12/组。还研究了EL和HS在6mg铁/kg饮食下维持血红蛋白6周的能力。在pH1.0的盐酸中测量来自EIP的铁的溶解速率。与FS相比,EL,HS,A1EIP的总体RBV>50%,依次为:HS>A1>EL>H3(p≤0.05);蒸煮效果不显著(p>0.05)。溶出度测试表明,EIP的平均RBV与铁溶解度百分比呈正相关。在为期6周的维护研究中,EL和HS维持血红蛋白以及FS。总的来说,研究结果表明,在测试的铁浓度下,这些EIP是补充血红蛋白和纠正缺铁性贫血的有效强化剂。
    Effective food fortification strategies using elemental iron powders (EIPs) are needed to combat iron deficiency anemia. The purpose of this study was to determine hemoglobin regeneration efficiency (HRE) and relative iron bioavailability (RBV) of four food-grade EIPs (El-Lyte (EL), Hi-Sol (HS), H-325 (H3), and A-131 (A1)) by treating anemic rats with 14 d iron repletion diets (uncooked and cooked), fortified with a 12, 24, or 36 mg iron/kg diet of the EIPs, ferrous sulfate monohydrate (FS, FeSO4•H2O), or no added iron (control), n = 9-12/group. The ability of EL and HS to maintain hemoglobin for 6 weeks on the 6 mg iron/kg diet was also studied. The dissolution rate of iron from the EIPs was measured in hydrochloric acid at pH 1.0. Compared to FS, the EL, HS, and A1 EIPs had >50% overall RBV, with the following order: HS > A1 > EL > H3 (p ≤ 0.05); the effect of cooking was not significant (p > 0.05). Dissolution testing revealed that the mean RBV of the EIPs was positively associated with the percentage of iron solubility. In the 6-week maintenance study, EL and HS maintained hemoglobin as well as FS. Overall, the findings show that at the concentrations of iron tested, these EIPs are effective fortification agents to replenish hemoglobin and correct iron deficiency anemia.
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  • 文章类型: Journal Article
    关于用叶酸(FA)强制强化食物的政策可能会影响基于叶酸的B族维生素治疗对老年人认知功能的有效性。我们批判性和系统地回顾了文献,以评估食物强化政策是否会影响基于叶酸的B族维生素治疗对老年人认知功能的功效。电子数据库,包括PubMed,WebofScience,和CNKI,搜索“认知功能”,\"叶酸\",和“老年人”。这项研究有具体的纳入标准,具体如下:(1)这些研究最初应该有针对60岁或以上老年人的随机对照试验;(2)这些研究必须评估叶酸状态和认知能力之间的关系;(3)这些研究应该阐明关于FA强化食物的政策.本审查遵循了系统审查和荟萃分析(PRISMA)报告指南的首选报告项目。两名审阅者独立提取了所有数据,任何差异都以协商一致方式解决。收集的所有数据都经过汇编,比较,并进行了批判性分析。随机效应模型用于评估干预措施的效果。系统审查包括51篇文章,涉及42,768名参与者。其中,这23篇文章被纳入荟萃分析.基于叶酸的B族维生素补充剂对认知功能的影响的荟萃分析显示出显着的总体影响(Z=3.84;p=0.0001;SMD,0.18;95%CI,0.09,0.28)。进一步的分析显示,以叶酸为基础的B族维生素补充剂可改善老年人认知障碍的国家未实施FA食品强化政策(Z=3.75;p=0.0002;SMD,0.27;95%CI,0.13,0.40)。然而,FA干预在FA食品强化政策强制性的地区没有显著结果(Z=0.75;p=0.45;SMD,0.03;95%CI,-0.06,0.13)。补充口服叶酸,单独或组合,与老年人认知能力的改善有关。虽然强制性FA强化改善了叶酸状态,额外的基于叶酸的B族维生素补充剂似乎不会影响认知功能。
    The policies regarding the mandatory fortification of food with folic acid (FA) may impact the effectiveness of folate-based B vitamin treatment on cognitive function in older adults. We critically and systematically review the literature to assess whether food fortification policies affect folate-based B vitamin treatment efficacy on cognition function in older adults. Electronic databases, including PubMed, Web of Science, and CNKI, were searched for \"Cognitive Function\", \"Folate\", and \"Older Adults\". The study had specific criteria for inclusion, which were as follows: (1) the studies should initially have randomized controlled trials that were conducted on older adults aged 60 or above; (2) the studies must assess the relationship between folate status and cognitive performance; and (3) the studies should clarify the policies regarding food fortification with FA. This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) reporting guidelines. Two reviewers independently extracted all the data, and any discrepancies were resolved by consensus. All the data collected were compiled, compared, and analyzed critically. Random effects models were used to assess the effects of interventions. The systematic review included fifty-one articles involving 42,768 participants. Of these, the 23 articles were included in the meta-analysis. The meta-analysis on the effects of folate-based B vitamin supplementation on cognitive function showed a significant overall impact (Z = 3.84; p = 0.0001; SMD, 0.18; 95% CI, 0.09, 0.28). Further analysis revealed that FA food fortification policies were not implemented in countries where folate-based B vitamin supplementation improved cognitive impairment in older adults (Z = 3.75; p = 0.0002; SMD, 0.27; 95% CI, 0.13, 0.40). However, the FA intervention did not have significant outcomes in areas where FA food fortification policies were mandatory (Z = 0.75; p = 0.45; SMD, 0.03; 95% CI, -0.06, 0.13). Supplementing with oral folic acid, alone or in combination, has been linked to improved cognitive performance in older adults. While mandatory FA fortification has the improved folic acid status, additional folate-based B vitamin supplements do not appear to influence cognitive function.
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  • 文章类型: Journal Article
    营养不良(UN)增加了儿童对疾病和死亡率的脆弱性。由食物摄入量低和/或质量差引起,它影响身体,认知,和社会发展。与最低加工食品相比,现代类型的食品消费赋予了高度加工食品更高的文化价值。
    目的:本研究的目的是评估对生长的影响,新陈代谢,身体活动(PA),记忆,炎症,和用地方性成分制成的富含黑色玉米片(BC)对断奶后的UN小鼠的毒性。
    方法:用黑玉米的混合物制成芯片,蚕豆,栀子,还有Nopal仙人掌.为了探究联合国的影响,通过低蛋白饮食(LPD-常规蛋白质需求的50%)3w,在断奶后的3wo雄性C57Bl/6j小鼠中诱导了UN。然后,将BC引入动物饮食(17%)5w;测量murinometric参数,餐后葡萄糖反应也是如此,PA,和短期记忆。对肝脏和肾脏进行组织学分析以测量毒性。与能量平衡相关的基因表达,产热,在脂肪和下丘脑组织中测量炎症。
    结果:用BC处理可显著改善小鼠生长,即使蛋白质摄入量低,体重显著增加,尾部长度,大脑生长,记忆力改善,物理激活,归一化能量消耗(产热),和食欲肽(AGRP和NPY)。它减少了厌食肽(POMC),并且没有组织毒性。
    结论:BC治疗,即使持续低蛋白摄入,是一个有希望的对抗联合国的战略,因为它显示了纠正生长不足的功效,认知障碍,以及通过调整能量消耗与治疗相关的代谢问题,这导致了能量摄入的促进和产热的调节,所有通过使用低成本,可访问,和特有的成分。
    Undernutrition (UN) increases child vulnerability to illness and mortality. Caused by a low amount and/or poor quality of food intake, it impacts physical, cognitive, and social development. Modern types of food consumption have given highly processed food a higher cultural value compared to minimally processed food.
    OBJECTIVE: The objective of this study was to evaluate the effect on growth, metabolism, physical activity (PA), memory, inflammation, and toxicity of an enriched black corn chip (BC) made with endemic ingredients on post-weaned UN mice.
    METHODS: A chip was made with a mixture of black corn, fava beans, amaranth, and nopal cactus. To probe the effects of UN, UN was induced in 3wo post-weaned male C57Bl/6j mice through a low-protein diet (LPD-50% of the regular requirement of protein) for 3w. Then, the BC was introduced to the animals\' diet (17%) for 5w; murinometric parameters were measured, as were postprandial glucose response, PA, and short-term memory. Histological analysis was conducted on the liver and kidneys to measure toxicity. Gene expression related to energy balance, thermogenesis, and inflammation was measured in adipose and hypothalamic tissues.
    RESULTS: Treatment with the BC significantly improved mouse growth, even with a low protein intake, as evidenced by a significant increase in body weight, tail length, cerebral growth, memory improvement, physical activation, normalized energy expenditure (thermogenesis), and orexigenic peptides (AGRP and NPY). It decreased anorexigenic peptides (POMC), and there was no tissue toxicity.
    CONCLUSIONS: BC treatment, even with persistent low protein intake, is a promising strategy against UN, as it showed efficacy in correcting growth deficiency, cognitive impairment, and metabolic problems linked to treatment by adjusting energy expenditure, which led to the promotion of energy intake and regulation of thermogenesis, all by using low-cost, accessible, and endemic ingredients.
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  • 文章类型: Journal Article
    全球饮食中的碘缺乏仍然是许多疾病和残疾的原因。羽衣甘蓝是一种蔬菜,具有促进健康的潜力,因为许多营养素和生物活性化合物(抗坏血酸,类胡萝卜素,芥子油苷和酚类化合物)。芸苔属蔬菜,包括羽衣甘蓝,已被强烈推荐作为改善健康的膳食佐剂。羽衣甘蓝中的营养和促进健康的化合物受到热处理的显著影响。这种活动后植物化学物质的变化可能是由两种相反的现象引起的:营养物质和生物活性化合物的分解以及基质的软化作用。这增加了植物化学物质的可提取性,这在碘强化羽衣甘蓝的情况下可能特别重要。这项研究调查了基本成分的变化,碘,维生素C,总类胡萝卜素和多酚含量以及蒸汽引起的抗氧化活性,通过在两种碘喹啉[8-羟基-7-碘-5-喹啉磺酸(8-羟基-7-碘-5-5QSA)和5-氯-7-碘-8-喹啉(5-Cl-I)和5-氯-7-喹啉)和5-氯-7-碘-8-喹啉(5-Cl-7-I)的营养液中应用,对两种羽衣甘蓝(绿色和红色)的热过程通常显着降低了相关成分的含量和羽衣甘蓝的抗氧化活性,无论品种和富集。观察到羽衣甘蓝的红色品种在烹饪过程中具有更大的积累和减少碘损失的能力。8-羟基-7-碘-5-喹啉磺酸对所使用的治疗具有保护作用,与其他丰富相比,从而有助于高碘含量的保存。
    Iodine deficiency in the diet globally continues to be a cause of many diseases and disabilities. Kale is a vegetable that has health-promoting potential because of many nutrients and bioactive compounds (ascorbic acid, carotenoids, glucosinolates and phenolic compounds). Brassica vegetables, including kale, have been strongly recommended as dietary adjuvants for improving health. The nutrient and health-promoting compounds in kale are significantly affected by thermal treatments. Changes in phytochemicals upon such activities may result from two contrary phenomena: breakdown of nutrients and bioactive compounds and a matrix softening effect, which increases the extractability of phytochemicals, which may be especially significant in the case of iodine-fortified kale. This study investigated changes of basic composition, iodine, vitamin C, total carotenoids and polyphenols contents as well as antioxidant activity caused by steaming, blanching and boiling processes in the levels of two cultivars of kale (green and red) non-biofortified and biofortified via the application to nutrient solutions in hydroponic of two iodoquinolines [8-hydroxy-7-iodo-5-quinolinesulfonic acid (8-OH-7-I-5QSA) and 5-chloro-7-iodo-8-quinoline (5-Cl-7-I-8-Q)] and KIO3. Thermal processes generally significantly reduced the content of the components in question and the antioxidant activity of kale, regardless of cultivar and enrichment. It was observed that the red cultivar of kale had a greater ability to accumulate and reduce iodine losses during the culinary processes. 8-hydroxy-7-iodo-5-quinolinesulfonic acid showed a protective effect against the treatments used, compared to other enrichments, thus contributing to the preservation of high iodine content.
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