fruit and vegetables

水果和蔬菜
  • 文章类型: Journal Article
    COVID-19大流行,上个世纪最严重的全球健康危机之一,几乎影响了人们生活的方方面面,包括他们的饮食选择和食物消费模式。它是在美国饮食的长期转变中出现的,其中加工食品以及水果和蔬菜的消费量越来越大,远低于推荐水平。改善后者一直是政策制定者“努力改善消费者饮食”的关键部分。这项研究调查了美国南部的个人,以确定在大流行高峰期间影响他们水果和蔬菜消费的因素,以及这些因素在高峰后如何变化。在高峰期,食物场所,人口统计,以及对饮食和病毒严重性的担忧严重影响了消费。大流行高峰后消耗了更多的新鲜水果和蔬菜。高峰后的变化由食物场所预测。在家做饭是消费的主要积极预测因素。美国政策制定者应该尝试利用高峰以来的变化来促进水果和蔬菜的更多消费。
    The COVID-19 pandemic, one of the worst global health crises in the last century, impacted nearly every aspect of people\'s lives, including their dietary choices and food consumption patterns. It arrived during a long shift in American diets featuring increasingly large portions of processed foods as well as fruit and vegetable consumption that is well below recommended levels. Improving the latter has been a key part of policymakers\' efforts to improve consumers\' diets. This study surveyed individuals in the US South to determine the factors influencing their consumption of fruit and vegetables during the pandemic peak and how these have changed post-peak. During the peak, food venue, demographics, and concerns about diet and the seriousness of the virus heavily affected consumption. Greater amounts of fresh fruit and vegetables were consumed post-peak pandemic. Changes post-peak were predicted by food venue. Cooking meals at home was the main positive predictor for consumption. US policymakers should try and leverage the changes since the peak to promote greater consumption of fruit and vegetables.
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  • 文章类型: Journal Article
    背景:在观察性研究中,增加水果和蔬菜(FV)摄入量与降低心血管疾病风险相关,但随机对照试验(RCT)的证据很少。同步药物治疗的影响尚不清楚。
    目的:汇集来自六个随机对照试验的数据,以检查增加FV摄入量对血压(BP)和血脂的影响,还探讨了药物使用的影响是否不同。
    方法:所有试验,通过饮食日记或历史评估饮食摄入量,常规生化方法的脂质和自动监测仪的血压。线性回归提供了与自我报告的每日FV摄入量增加一部分相关的脂质分布或BP变化的估计,具有适合药物使用的相互作用术语。
    结果:合并样本共包括554名参与者(308名男性和246名女性)。回归系数的荟萃分析显示,每部分FV增加的收缩压或舒张压均无明显变化,尽管在所有试验中收缩压存在显著异质性(I2=73%).既不调整体重指数的变化,根据使用抗高血压药物的分析也没有改变这种关系。每个FV增加部分的脂质分布没有显著变化,尽管未接受降脂治疗的患者中总胆固醇显着降低(Bonferroni校正后P<0.05)。
    结论:六项FV试验的汇总分析显示,增加摄入对血压或血脂没有影响,但那些不接受降脂治疗的患者有降低总胆固醇的作用。
    Increasing fruit and vegetable (FV) consumption is associated with reduced cardiovascular disease risk in observational studies but with little evidence from randomised controlled trials (RCTs). The impact of concurrent pharmacological therapy is unknown.
    To pool data from six RCTs to examine the effect of increasing FV intake on blood pressure (BP) and lipid profile, also exploring whether effects differed by medication use.
    Across trials, dietary intake was assessed by diet diaries or histories, lipids by routine biochemical methods and BP by automated monitors. Linear regression provided an estimate of the change in lipid profile or BP associated with a one portion increase in self-reported daily FV intake, with interaction terms fitted for medication use.
    The pooled sample included a total of 554 participants (308 males and 246 females). Meta-analysis of regression coefficients revealed no significant change in either systolic or diastolic BP per portion FV increase, although there was significant heterogeneity across trials for systolic BP (I2 = 73%). Neither adjusting for change in body mass index, nor analysis according to use of anti-hypertensive medication altered the relationship. There was no significant change in lipid profile per portion FV increase, although there was a significant reduction in total cholesterol among those not on lipid-lowering therapy (P < 0.05 after Bonferroni correction).
    Pooled analysis of six individual FV trials showed no impact of increasing intake on BP or lipids, but there was a total cholesterol-lowering effect in those not on lipid-lowering therapy.
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  • 文章类型: Journal Article
    高压加工(HPP)已成为一种实用的食品加工技术,可满足寻求轻度加工的消费者的喜好,方便,和新鲜的食物选择。本文综述了HPP对食品安全性和质量影响的最新研究。HPP的使用已经在食品工业中显示出有利的增长,这主要是由于其不仅可以提高食品的营养成分和感官属性,而且可以大大延长其保质期和支持安全标准。HPP是非热食品加工技术中使用最多的。虽然它直接应用于牛奶消费不足以提供一致的质量,它被证明是有效的作为一个预处理步骤和产品使用牛奶作为主要成分。在肉类生产的背景下,HPP减少了微生物负荷并延长了保质期,然而,人们仍然担心它对产品质量的影响。缺乏关于支持病原体再生的胡萝卜属性的深入研究,强调需要在这一领域进行全面研究,这可能对类似的水果和蔬菜产品产生深远的影响。这篇综述强调需要平衡评估HPP对食品安全和质量的影响,提供见解,可以指导食品行业采用这项技术,同时确保消费者满意度和安全性。
    High pressure processing (HPP) has become a practical food processing technique that meets the preferences of consumers seeking lightly processed, convenient, and fresh-tasting food options. This paper reviewed the latest research on the impact HPP on the safety and quality of food products. The use of HPP has been showing favorable growth in the food industry primarily due to its potential to not only enhance the nutritional content and sensory attributes of food products but also to substantially extend their shelf-life and bolster safety standards. HPP is the most used among non-thermal food processing technologies. While its direct application to milk for consumption falls short of delivering consistent quality, it proves effective as a pretreatment step and in products using milk as a primary ingredient. In the context of meat production, HPP reduces microbial loads and extends shelf-life, yet concerns persist regarding its impact on product quality. The absence of in-depth studies regarding the attributes of carrots that support pathogen regeneration emphasizes the need for comprehensive research in this area, which could have far-reaching implications for similar fruit and vegetable products. This review underscores the need for a balanced assessment of HPP\'s effects on food safety and quality, offering insights that can guide the food industry in adopting this technology while ensuring consumer satisfaction and safety.
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  • 文章类型: Journal Article
    目的:研究是否有针对性的决定因素介导了青少年健康(HEIA)干预对水果和蔬菜(FV)消费的影响,并探索这些中介效应是否受性别调节,父母教育,或体重状态。
    方法:整群随机对照试验。
    方法:HEIA研究(2007-2009年)是挪威一项为期20个月的基于学校的多组分干预措施,以促进健康的体重发展。FV消耗和目标决定因素在基线时自我报告,中途(8个月),和干预后(20个月)。
    方法:25所对照学校(n=746)和12所干预学校(n=375)的青少年(11-13岁)。
    结果:在干预后,与对照组相比,干预组更多的青少年了解FV建议(OR:1.4,95%CI:1.1;1.9),并且报告家庭蔬菜供应减少(β:-0.1,95%CI:-0.2;0.0).FV在家中的可用性/可访问性,晚餐时蔬菜的供应,不同类型FV的口味偏好,对FV建议的了解与FV的消费呈正相关。然而,干预后的决定因素均未显著介导干预对FV消耗的影响。虽然没有性别的缓和影响,父母教育,或体重状态观察到中介效应,探索性分析显示,b路径具有显著的缓和性。
    结论:由于没有一个目标决定因素可以解释FV消耗的增加,目前尚不清楚干预措施为何有效.需要报告以学校为基础的干预措施中的各种调解人和主持人,以揭示实现干预效果的途径。
    OBJECTIVE: To examine whether targeted determinants mediated the effects of the HEalth In Adolescents (HEIA) intervention on fruit and vegetable (FV) consumption and explore if these mediating effects were moderated by sex, parental education or weight status.
    METHODS: Cluster-randomised controlled trial.
    METHODS: The HEIA study (2007-2009) was a Norwegian 20-month multi-component school-based intervention to promote healthy weight development. FV consumption and targeted determinants were self-reported at baseline, mid-way (8 months) and post-intervention (20 months).
    METHODS: Adolescents (11-13-year-old) in twenty-five control schools (n 746) and twelve intervention schools (n 375).
    RESULTS: At post-intervention, more adolescents in the intervention group compared with the control group had knowledge of the FV recommendations (OR: 1·4, 95 % CI 1·1, 1·9) and reported a decreased availability of vegetables at home (β: -0·1, 95 % CI -0·2, 0·0). Availability/accessibility of FV at home, availability of vegetables at dinner, taste preferences for different types of FV and knowledge of the FV recommendations were positively associated with the consumption of FV. However, none of the post-intervention determinants significantly mediated the intervention effects on FV consumption. Although no moderating influences by sex, parental education or weights status were observed on the mediating effects, exploratory analyses revealed significant moderations in the b-paths.
    CONCLUSIONS: Since none of the targeted determinants could explain the increase in FV consumption, it remains unclear why the intervention was effective. Reporting on a wide range of mediators and moderators in school-based interventions is needed to reveal the pathways through which intervention effects are achieved.
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  • 文章类型: Journal Article
    唾液微生物群的多样性和组成的变化与体重状况有关,但是调查结果并不一致。专注于临床相关的条件,如中心性肥胖和使用先进的测序技术可能会填补知识的空白。
    我们采用浅层宏基因组测序法研究了有(n=14)和无(n=36)中心性肥胖儿童的唾液微生物群。此外,我们研究了习惯性食物消费对微生物酶谱的作用。
    数据包括50名儿童(50%为男性),平均年龄为14.2(SD0.3)岁,从芬兰青少年健康(Fin-HIT)队列中选择。甜食(STI)消费频率的饮食评分,乳制品(DCI)和植物(PCI)是基于自编食物频率问卷得出的.中心性肥胖是根据腰高比使用临界值0.5定义的。唾液样本进行了全基因组鸟枪测序,利用METAnnotatorX2生物信息学平台实现了分类学和功能分析。
    组的腰围平均相差20(95%CI14-27)cm。我们确定了假单胞菌的缺乏,oulorum和oris作为与中心性肥胖相关的推定生物标志物,观察到两组之间共有16种酶促反应不同。DCI与最高数量的酶谱(122)相关,其次是STI(60)和DCI(25)(皮尔逊相关p<0.05)。有趣的是,STI显示出高的正/负相关比(5.09),而DCI和PCI显示低比率(分别为0.54和0.33)。因此,酶促反应的主要驱动因素是STI,以及相关途径涉及副流感嗜血杆菌和Veilonella等诱导的硝酸盐代谢。
    中心性肥胖的临床相关差异仅适度反映在唾液微生物群的组成上。习惯食用甜食是有和没有中心性肥胖的儿童唾液微生物区系的酶促反应的重要决定因素。这些发现的临床相关性值得进一步研究。
    UNASSIGNED: Variation in diversity and composition of saliva microbiota has been linked to weight status, but findings have been inconsistent. Focusing on clinically relevant conditions such as central obesity and using advanced sequencing techniques might fill in the gaps of knowledge.
    UNASSIGNED: We investigated saliva microbiota with shallow metagenome sequencing in children with (n = 14) and without (n = 36) central obesity. Additionally, we examined the role of habitual food consumption on microbial enzymatic repertoire.
    UNASSIGNED: Data comprised 50 children (50% male) with a mean age of 14.2 (SD 0.3) years, selected from the Finnish Health in Teens (Fin-HIT) cohort. Dietary scores for consumption frequency of sweet treats (STI), dairy products (DCI) and plants (PCI) were derived based on a self-administered food frequency questionnaire. Central obesity was defined based on waist-height ratio using the cut-off 0.5. Saliva samples were subjected to whole-metagenome shotgun sequencing, and taxonomic and functional profiling was achieved with METAnnotatorX2 bioinformatics platform.
    UNASSIGNED: Groups had an average 20 (95% CI 14-27) cm difference in waist circumference. We identified the lack of Pseudomonas guguagenesis and Prevotella scopos, oulorum and oris as putative biomarkers associated with central obesity and observed a total of 16 enzymatic reactions differing between the groups. DCI was associated with the highest number of enzyme profiles (122), followed by STI (60) and DCI (25) (Pearson correlation p < 0.05). Intriguingly, STI showed a high positive/negative correlation ratio (5.09), while DCI and PCI showed low ratios (0.54 and 0.33, respectively). Thus, the main driver of enzymatic reactions was STI, and the related pathways involved nitrate metabolism induced by Haemophilus parainfluenzae and Veilonella dispar among others.
    UNASSIGNED: Clinically relevant differences in central obesity were only modestly reflected in the composition of saliva microbiota. Habitual consumption of sweet treats was a strong determinant of enzymatic reactions of saliva microbiota in children with and without central obesity. The clinical relevance of these findings warrants further studies.
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  • 文章类型: Journal Article
    背景:报道了关于水果和/或蔬菜(FV)消费的社会人口统计学决定因素和空间变化的证据。这项研究旨在探讨布基纳法索成年人FV消费水平的地理和社会人口统计学差异,使用国家基准数据。
    方法:这是对2013年(9月至10月)世界卫生组织在布基纳法索进行的逐步监测调查获得的主要数据的横断面二级研究。参与者是4402名年龄在25-64岁之间的男女,居住在所有13个布基纳法索地区。使用学生t检验进行描述性和分析性分析,方差分析,卡方检验,费舍尔精确检验和逻辑回归。
    结果:水果的典型每日食用至少三份的患病率为4.1%(95%CI:3.6-4.8),蔬菜为6.6%(95%CI:5.9-7.3)。全国FV摄入充足的患病率为5.1%(95%CI:4.4-5.8),对于两个地区(“中心-Ouest”和“Nord”),合并患病率为22.4%,而在其他11个地区,它明显较低,2.4%(p=0.0001)。使用从国家消费水平得出的四分位数,这两个区域中的每个区域在第4个四分位数(较高水平)的参与者比例较高(约50%).与充足摄入量相关的社会人口统计学因素是农村居民(aOR=1.7,p=0.011)和妇女(aOR=1.3;p=0.03)。
    结论:除布基纳法索的“中部地区”和“北部地区”外,在其他11个地区,足量消费FV的患病率非常低。增加城市人口消费的措施迫在眉睫,而妇女应成为实施基于家庭的方法和促进FV消费的营养教育的关键角色。
    Evidence on sociodemographic determinants and spatial variations in the fruit and/or vegetable (FV) consumption was reported. This study aimed to explore geographical and sociodemographic disparities in the level of FV consumption among adults in Burkina Faso, using the national baseline data.
    This was a cross-sectional secondary study of primary data obtained by the 2013 (September to October) World Health Organization Stepwise Approach to Surveillance survey conducted in Burkina Faso. The participants were 4402 women and men aged 25-64 years and living in all 13 Burkinabè Regions. Descriptive and analytical analyses were performed using Student\'s t test, ANOVA, the chi-square test, Fisher\'s exact test and logistic regressions.
    The prevalence of a typical daily consumption of at least three servings was 4.1% (95% CI: 3.6-4.8) for fruits and 6.6% (95% CI: 5.9-7.3) for vegetables. The national prevalence of adequate FV intake was 5.1% (95% CI: 4.4-5.8), and for two Regions (\"Centre-Ouest\" and \"Nord\") the pooled prevalence was 22.4%, while in the other eleven Regions its was significantly lower, 2.4% (p = 0.0001). Using quartiles derived from the national level of consumption, each of these two Regions had a higher proportion (about 50%) of their participants in the fourth quartile (the higher level). The associated sociodemographic factors with the adequate intake were being rural residents (aOR = 1.7, p = 0.011) and women (aOR = 1.3; p = 0.03).
    Except for the Regions of \"Centre-Ouest\" and \"Nord\" of Burkina Faso, the prevalence of adequate consumption of FV was very low in its other eleven Regions. Measures to increase consumption in urban people are urgent while women should be the key actor in the family-based approaches implementation and the nutrition education promoting FV consumption.
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  • 文章类型: Journal Article
    目的:描述法国成年人自选饮食对水果和蔬菜(FV)摄入量的营养质量和环境影响。
    方法:食物和营养素摄入量的估算来自2014-2015年在法国进行的全国INCA3食物摄入量调查。人口(n=2121名成年人)分为五个五分之一的FV摄入量,以g/d为单位(Q1代表最低摄入量,和Q5最高)。通过4个指标评估饮食的营养质量:平均充足率(MAR),固体能量密度,平均超额比率(MER)和国家营养计划指南评分2(PNNS-GS2)。用环境足迹(EF)评分和4个额外指标衡量环境影响:气候变化,臭氧消耗,细颗粒物和水的使用。在五分位数之间比较了指标。对调整至2000kcal的饮食进行分析。
    结果:MAR和PNNS-GS2随着FV五分位数的增加而增加,而固体能量密度下降。纤维,钾,维生素B9和维生素C密度随着FV摄入量的增加而增加。气候变化,臭氧消耗和细颗粒物对饮食的影响随着FV消费量的增加而减少。相反,用水影响增加。
    结论:较高的FV摄入量与较高的饮食营养质量和较低的环境影响相关,除了用水。鉴于水果和蔬菜对人类健康和环境的好处,它们对用水的负面影响可以通过在农业上游工作来改善,而不是通过改变个人的食物选择和减少他们的消费。
    OBJECTIVE: To describe the nutritional quality and environmental impact of self-selected diets of adults in France in relation to their fruit and vegetable (FV) intakes.
    METHODS: Estimates of food and nutrient intakes were taken from the national INCA3 Survey on food intakes carried out in France in 2014-2015. The population (n = 2121 adults) was split into five quintiles of FV intakes, in g/d (Q1 representing the lowest intake, and Q5 the highest). The nutritional quality of diets was assessed through 4 indicators: mean adequacy ratio (MAR), solid energy density, mean excess ratio (MER) and Programme National Nutrition Santé guideline score 2 (PNNS-GS2). The environmental impacts were measured with environmental footprint (EF) scores and 4 additional indicators: climate change, ozone depletion, fine particulate matter and water use. Indicators were compared between quintiles. Analysis was conducted on diets adjusted to 2000 kcal.
    RESULTS: MAR and PNNS-GS2 increased with increased FV quintiles, while solid energy density decreased. Fibre, potassium, vitamin B9 and vitamin C densities increased with increasing FV intakes. Climate change, ozone depletion and fine particulate matter impacts of diets decreased with increasing quintiles of FV consumption. Conversely, water use impact increased.
    CONCLUSIONS: Higher intake of FV is associated with higher nutritional quality of diets and lower environmental impact, except for water use. Given the benefits of fruit and vegetables for human health and the environment, their negative impact on water use could be improved by working on the agricultural upstream, rather than by changing individuals\' food choices and reducing their consumption.
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  • 文章类型: Journal Article
    不健康的饮食,缺乏体力活动和高体重指数(BMI)是可预防的非传染性疾病的危险因素,贯穿一个人的一生。通常观察到,在社会经济较低群体的儿童中,这些风险因素的患病率较高。这项研究的目的是探讨父母的社会经济条件对儿童水果消费的影响,蔬菜和含糖饮料,和不活动,久坐的行为,超重和肥胖。这项研究使用了来自“OKkioallaSalute”(意大利COSI)的第六次横断面调查的数据,2019年涉及2467所学校和53,275名儿童。所有信息都是通过四份发给家长的问卷收集的,孩子们,教师和班主任。使用标准技术和设备测量儿童的体重和身高,以根据WOF-IOTF截止值对超重/肥胖进行分类。结果显示,不遵守健康建议的儿童比例很高,超重和肥胖的患病率很高。特别是,在社会经济地位较低的家庭和居住在意大利南部的儿童中,“不太健康”的行为和较高的BMI更为常见。这些发现强调了需要有效的干预措施来解决这些健康相关行为的差异。
    Unhealthy diets, physical inactivity and high body mass index (BMI) are preventable risk factors for non-communicable diseases throughout a person\'s lifespan. The higher prevalence of these risk factors in children from lower socio-economic groups has been generally observed. The aim of this study is to explore the effect of parents\' socio-economic conditions on children\'s consumption of fruit, vegetables and sugar-sweetened drinks, and inactivity, sedentary behaviour, overweight and obesity. This study used data from the sixth cross-sectional survey of the surveillance \"OKkio alla Salute\" (Italian COSI), involving 2467 schools and 53,275 children in 2019. All the information was collected through four questionnaires addressed to parents, children, teachers and head teachers. The weights and heights of the children were measured with standard techniques and equipment to classify overweight/obesity according to the WOF-IOTF cut-offs. The results showed a high percentage of children who do not adhere to health recommendations and a high prevalence of overweight and obesity. In particular, \"less healthy\" behaviours and higher BMI were more frequent in children from families with a lower socio-economic status and those residing in Southern Italy. These findings highlight the need for effective interventions that address the differences in these health-related behaviours.
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  • 文章类型: Meta-Analysis
    建议水果和蔬菜(FV)消费与心理健康之间的关系,主要来自观察性研究。本系统综述旨在确定和总结所有已发表的对照干预研究,这些研究调查了FV消费对成年人心理健康的影响。四个学术数据库(Medline,PsycINFO,PubMed,WebofScience)在2022年9月16日进行了搜索,对于使用干预设计的研究;包括FV消耗;包括适当的非FV消耗控制;使用了经过验证的心理健康测量,并在健康成人或仅患有抑郁或焦虑相关疾病的成人中进行.使用荟萃分析对研究细节进行列表和组合。使用Cochrane协作的领域评估偏倚风险。六项研究,招募691名健康成年人,并报告一个或多个心理健康结果,被发现了。荟萃分析发现FV消费对心理健康的影响小而不精确(4项研究,289名参与者)标准化平均差(SMD)=0·07(95%CI-0·17,0·30),P=0·58,I2=0%;抑郁症状(3项研究,271名参与者)SMD=-0·15(95%CI-0·40,0·10),P=0.23,I2=47%和焦虑相关症状学(4项研究,298名参与者)SMD=-0·15(95%CI-0·39,0·08),P=0·20,I2=71%。从基线数据的变化中发现了对心理健康的一些益处:SMD=0·28(95%CI0·05,0·52),P=0·02,I2=0%。在许多研究中,偏倚的风险很高。局限性包括仅考虑已发表的研究,并且源于发现的研究。鉴于少数人,可用的研究有限,影响小,在推荐FV用于心理健康之前,需要更强有力的证据。
    Associations between fruit and vegetable (FV) consumption and mental health are suggested, largely from observational studies. This systematic review aimed to identify and summarise all published controlled intervention studies investigating the effects of FV consumption on mental health in adults. Four academic databases (Medline, PsycINFO, PubMed, Web of Science) were searched on 16 September 2022, over all years, for studies that used an intervention design; included FV consumption; included an appropriate non-FV-consumption control; used a validated measure of mental health and were conducted in healthy adults or adults with solely a depressive or anxiety-related condition. Study details were tabulated and combined using meta-analyses. Risk of bias was assessed using the domains of the Cochrane Collaboration. Six studies, enrolling 691 healthy adults and reporting on one or more mental health outcomes, were found. Meta-analyses found small and imprecise effects of FV consumption for: psychological well-being (4 studies, 289 participants) standardised mean difference (SMD) = 0·07 (95 % CI -0·17, 0·30), P = 0·58, I2 = 0 %; depressive symptomology (3 studies, 271 participants) SMD = -0·15 (95 % CI -0·40, 0·10), P = 0·23, I2 = 47 % and anxiety-related symptomology (4 studies, 298 participants) SMD = -0·15 (95 % CI -0·39, 0·08), P = 0·20, I2 = 71 %. Some benefit for psychological well-being was found in change-from-baseline data: SMD = 0·28 (95 % CI 0·05, 0·52), P = 0·02, I2 = 0 %. Risk of bias was high in many studies. Limitations include the consideration only of published studies and stem from the studies found. Given the few, limited studies available and the small size of effects, stronger evidence is needed before recommending FV consumption for mental health.
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  • 文章类型: Journal Article
    为了披露水果和蔬菜行业上游阶段粮食损失产生的前因和动态,本文介绍了对德国和意大利的10个生产者组织(PO)进行的一系列半结构化访谈的结果。采用定性的内容分析方法对访谈内容进行分析,因此,在PO和购买者(行业和零售商)之间的界面上披露影响食品损失产生的最相关问题。当我们比较意大利和德国PO提供的答案时,会出现一些相似之处,特别是关于零售商化妆品规格在产品损失产生中的作用。相反,规范PO之间商业交易的合同结构,工业,零售商表现出明显的差异,显然,在意大利范围内,从本赛季开始就有更大的能力来计划产品的需求。尽管存在这些差异,这项研究证实了POs在增加农民对买家的议价能力方面的关键作用,在德国和意大利。需要进一步的研究来比较其他欧洲国家的情况,并分析为什么会出现异同。
    With the aim of disclosing the antecedents and dynamics of food loss generation in the upstream stages of the fruit and vegetable sector, this paper presents the results of a series of semi-structured interviews with 10 Producers\' Organisations (POs) in Germany and Italy. The content of the interviews is analysed by applying a qualitative content analysis approach, thus disclosing the most relevant issues affecting food loss generation at the interface between POs and buyers (industry and retailers). Several similarities emerge as we compare the answers provided by Italian and German POs, especially concerning the role of retailers\' cosmetic specification on products in the generation of losses. Instead, the structure of contracts regulating commercial transactions between POs, industry, and retailers show noticeable differences, apparently resulting in a greater capacity to plan the demand of products from the beginning of the season in the Italian context. Despite these differences, this study confirms the key role of POs in increasing farmers\' bargaining power against the buyers, both in Germany and Italy. Further research is needed to compare circumstances in other European countries and to analyse why the similarities and differences identified occur.
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