food hygiene

食品卫生
  • 文章类型: Journal Article
    食品安全和食源性感染是全球关注的主要主题。乳制品被认为是这些感染的重要来源。
    进行本研究以确定葡萄球菌的发生和基因型分离株。从Al-Diwaniyah市的牛奶样本中回收,伊拉克。
    当前的研究包括从当前城市的当地商店购买的50个牛奶样品的收集。对这些样品进行细菌培养和生化测试。稍后,该生长用于提取暴露于PCR和部分基因测序的基因组DNA,两者都靶向特定遗传片段的16SrRNA基因。
    PCR结果证明了金黄色葡萄球菌(SAD11,SAD12,SAD13,SAD14和SAD15)的五个遗传簇的遗传片段的扩增,表皮葡萄球菌(SED1、SED2、SED3、SED4和SED5)和中间葡萄球菌(SID1,SID2,SID3,SID4和SID5)。将PCR产物送去测序,报告目前分离株的基因含量与全球分离株相似,为95.34%至97.59%,96.21%到97.57%,和96.09%到97.88%,分别,身份。
    目前的研究结果表明,金黄色葡萄球菌的分离株之间存在高度的遗传变异,表皮葡萄球菌,和从牛奶样本中回收的中间美国,这些基因型在与人类和动物相关的不同感染环境中发现,这可能对人类和动物构成高风险。
    UNASSIGNED: Food safety and food-borne infections are major subjects of global interest. Dairy products are considered as important source for these infections.
    UNASSIGNED: The present study was conducted to identify the occurrence and to genotype isolates of Staphylococcus spp. recovered from milk samples in Al-Diwaniyah City, Iraq.
    UNASSIGNED: The current study included the collection of 50 milk samples purchased from local stores in the current city. These samples were subjected to bacterial cultivation and biochemical tests. Later, the growth was used to extract the genomic DNA that was exposed to PCR and partial gene sequencing both targeted the 16S rRNA gene at a specific genetic piece.
    UNASSIGNED: The PCR results demonstrated the amplification of the genetic fragment of five genetic clusters for each of Staphylococcus aureus (SAD11, SAD12, SAD13, SAD14, and SAD15), Staphylococcus epidermidis (SED1, SED2, SED3, SED4, and SED5), and Staphylococcus intermedius (SID1, SID2, SID3, SID4, and SID5). The PCR products were sent out to sequencing and reported that the current isolates were similar in their genetic content with global isolates at 95.34% to 97.59%, 96.21% to 97.57%, and 96.09% to 97.88%, respectively, of identity.
    UNASSIGNED: The present findings show high genetic variations among isolates of S. aureus, S. epidermidis, and S. intermedius recovered from milk samples, and these genotypes are found in different infection settings related to humans and animals, which may pose high risks to humans and animals.
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  • 文章类型: Journal Article
    胃肠道(GI)感染每年导致1700万例,食源性疾病每年花费国家卫生服务(NHS)6000万英镑。胃肠道感染的负担分布不均,在更多的社会经济弱势群体和地区产生更大的影响。地方当局(LA)提供保护公众健康和福祉的重要服务。削减地方服务资金的影响及其对公共卫生的影响是一个令人关注的领域。环境和监管(ER)服务负责食品安全和传染病控制等角色。这项研究旨在了解当地资金削减对ER和GI感染结果的影响。
    我们将在2010-2019年在英格兰进行一项生态纵向研究,以研究ER支出加班的变化如何影响ER和GI感染结果。将收集食物卫生执法方面的数据,食品卫生合规水平,胃肠道感染住院,NHS111呼吁与胃肠道感染症状有关,胃肠道感染病原体数据,剥夺,和人口密度。措施将汇总到LA级别,并进行统计分析。
    利物浦大学道德委员会已确认不需要道德批准。所有数据将被汇总和匿名化,因此,只需要数据共享协议。除了通过会议和出版物的产出外,调查结果还将传播给利益攸关方小组。这些发现将有助于了解关键服务对公共卫生的影响,并为政府和公共卫生政策和战略提供信息。
    UNASSIGNED: Gastrointestinal (GI) infections result in 17 million cases annually, with foodborne illness costing the National Health Service (NHS) £60m per year. The burden of GI infection is unequally distributed, with greater impact in more socioeconomically disadvantaged groups and areas. Local authorities (LA) provide vital services that protect public health and wellbeing. The impact of funding cuts to local services and their effect on public health is an area of concern. Environmental and regulatory (ER) services are responsible for roles such as food safety and infectious disease control. This study aims to understand the impact of local funding cuts on ER and GI infection outcomes.
    UNASSIGNED: We will conduct an ecological longitudinal study in England from 2010-2019 at the LA level to examine how changes in ER expenditure overtime have impacted ER and GI infection outcomes. Data will be gathered on food hygiene enforcement, food hygiene compliance levels, GI infection hospitalisation, NHS 111 calls relating to GI infection symptoms, GI infection pathogen data, deprivation, and population density. Measures will be aggregated to LA level and statistical analysis will be carried out.
    UNASSIGNED: University of Liverpool Ethics committee have confirmed ethical approval will not be required. All data will be aggregated and anonymised, therefore only data sharing agreements will be required. Findings will be disseminated to the stakeholder group in addition to outputs through conferences and publications. These findings will help understand impact of key services on public health and should inform government and public health policy and strategy.
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  • 文章类型: Journal Article
    背景与目的幽门螺杆菌感染广泛流行,但是它的传播途径并不清楚。人与人之间的传播似乎是合理的,手卫生是起作用的众多因素之一。这项研究的目的是研究儿童及其母亲的手卫生和喂养习惯对儿童幽门螺杆菌患病率的影响。这项横断面研究涉及475名儿童及其母亲。对母亲进行了问卷调查,以收集有关母亲卫生习惯的信息,特别是在处理食物之前和使用厕所之后洗手。此外,母亲和儿童都接受了指甲长度(无论是切割还是未切割)和指甲下是否存在污垢的评估,如果指甲没有剪断。全面检查了这些参数与儿童幽门螺杆菌血清阳性的关联。此外,儿童分为两个不同的组:年龄较小的组(1个月至2岁11个月)和年龄较大的组(3岁至15岁).对于一个特定参数-母亲指甲下是否存在污垢(即,如果指甲未切割)-在这些年龄组中分别进一步分析了关联。卡方检验适用于所有变量。P<0.05被认为是有意义的。结果测试了所有变量与儿童幽门螺杆菌血清阳性的关联。与H.pylori血清阳性的关联在未切割指甲的母亲中不存在(P=0.050315),在475名母亲的整个样本中,指甲未切割的母亲在指甲下藏有污垢(P=0.39476),在年龄较大的儿童(3岁至15岁)中,指甲未剪的母亲指甲下有污垢(P=0.760071)。与幽门螺杆菌血清阳性相关的母亲在未切割指甲下有污垢,属于较小年龄段的儿童(1个月至2岁和11个月(P=0.014127),以及在食物处理之前未洗手的母亲(P=0.003032)和上厕所后(P=0.003082)。在所有475名儿童中,与幽门螺杆菌血清阳性的相关性与儿童未切割指甲下的污垢有关(P=0.015194),对于仅生长指甲但未携带污垢的儿童则不显著(P=0.355967)。结论母婴传播是幽门螺杆菌可能的传播途径之一,不良的手部卫生似乎在这一过程中发挥了重要作用。
    Background and objective Helicobacter pylori infection is widely prevalent, but its route of transmission is not clear. Person-to-person transmission seems plausible, with hand hygiene being one of the many factors that play a role. The objective of this study was to study the effect of the children\'s and their mother\'s hand hygiene and feeding practices on the prevalence of H. pylori in children. Methodology This cross-sectional study involved 475 children and their mothers. A questionnaire was administered to mothers to gather information about maternal hygiene practices, specifically handwashing before food handling and after using the toilet. Additionally, both mothers and children underwent assessments for nail length (whether cut or uncut) and the presence or absence of dirt under their nails, if nails were uncut. The association of these parameters with H. pylori seropositivity in children was comprehensively examined. Furthermore, children were divided into two distinct groups: a younger age group (one month to two years and 11 months) and an older age group (three years to 15 years). For one specific parameter - the presence of dirt under mothers\' nails (i.e., if nails were uncut) - the association was further analyzed separately within these age groups. The chi-square test was applied to all variables. P < 0.05 was considered significant Results The association of all variables with H. pylori seropositivity in children was tested. Association with H. pylori seropositivity was not present in mothers with uncut nails (P = 0.050315), mothers with uncut nails harboring dirt under their nails within the entire sample of 475 mothers (P = 0.39476), and mothers with uncut nails harboring dirt under their nails in the older age group (three years to 15 years) of children (P = 0.760071). Association with H. pylori seropositivity was present in mothers with dirt under their uncut nails belonging to the younger age group of children (one month to two years and 11 months (P = 0.014127) and mothers who did not wash their hands before food handling (P = 0.003032) and after using the toilet (P = 0.003082). In all 475 children, association with H. pylori seropositivity was significant with dirt under the uncut nails of children (P = 0.015194) and was not significant for children with merely grown nails but not harboring dirt under them (P = 0.355967).  Conclusions Mother-to-child transmission is one of the likely routes of transmission of H. pylori, and poor hand hygiene seems to play a major role in this process.
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  • 文章类型: Journal Article
    新冠肺炎疫情重塑了生活的方方面面,包括食品安全。了解在家中的食品安全行为对于制定有效的策略以减轻大流行期间和之后的食源性疾病是必要的。这项研究对503名国内食品处理人员进行了横断面调查,以检查孟加拉国大流行期间食品处理人员的食品安全问题以及与大流行相关的知识和卫生行为(PRKHB)。结果发现,由于COVID-19大流行,这项研究中只有35.8%的受访者更关心食品安全。尽管结果在95.8%的城市食品处理人员中发现了良好的PRKHB,总的来说,62%显示PRKHB水平较差。只有38.8%的人报告说每次回家或做饭后都会洗手。回归模型发现,食品安全问题与PRKHB呈正相关,居住在农村地区的参与者与PRKHB呈负相关。该研究还探讨了城市和农村地区之间的社会人口统计学差异和显着差异。对食品经办人员进行周密的食品安全风险教育活动和有针对性的宣传,食物处理习惯和手部卫生是必要的,以尽量减少该地区的食源性疾病负担。
    The COVID-19 pandemic reshaped every aspect of life, including food safety. Understanding food safety behaviour at home is necessary for developing effective strategies to mitigate foodborne disease during and after this pandemic. This study administered a cross-sectional survey among 503 domestic food handlers to examine the food handlers\' food safety concerns during the pandemic and pandemic-related knowledge and hygiene behaviour (PRKHB) in Bangladesh. The results found that only 35.8% of respondents in this study were more concerned about food safety because of the COVID-19 pandemic. Although the results found a good PRKHB among 95.8% of urban food handlers, overall, 62% showed a poor level of PRKHB. Only 38.8% reported washing their hands after returning home or preparing meals every time. The regression model found that food safety concerns positively related to the PRKHB, and participants who lived in rural areas had a negative association with the PRKHB. The study also explored sociodemographic variations and significant differences observed between urban and rural areas. Meticulous educational campaigns and targeted messages to the food handlers on food safety risks, food handling practices and hand hygiene are necessary to minimise the foodborne disease burden in this region.
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  • 文章类型: Journal Article
    我们研究了来自橄榄磨坊植被水的不同配方的多酚提取物(主要包含羟基酪醇和酪醇)对具有高或低初始细菌负荷的野味肉切口表面微生物区系的功效。将具有高微生物负荷(>5Logcfu/g;平均值=6.83±0.45标准偏差)的肉浸入25%和10%的微囊化冷冻干燥和未包封的多酚提取物溶液中10或60秒。有氧殖民地,肠杆菌科,假单胞菌属。,在储存7天后(在+3°C的真空包装条件下),与对照相比,测定处理样品的乳酸菌计数。仅对于10%液体提取物处理的需氧菌落计数记录了显著差异(0.64对数减少)。相比之下,在多酚提取物的10%溶液中浸渍或浸泡具有低初始微生物负荷(<5Logcfu/g;平均值=3.58±0.72标准偏差)的野味肉在不同提取物的储存7天和14天时实现了所有细菌计数的显著减少(p<0.002)。独立于应用方法。只有在保证良好的卫生基线时,才应考虑使用提取物来抑制野味肉中的细菌生长。
    We studied the efficacy of different formulations of polyphenol extracts (mainly containing hydroxytyrosol and tyrosol) from olive mill vegetation water on the microflora on the surfaces of game meat cuts with high or low initial bacterial loads. Meat with a high microbial load (>5 Log cfu/g; mean value = 6.83 ± 0.45 standard deviation) was immersed for 10 or 60 sec into 25% and 10% solutions of microencapsulated freeze-dried and non-encapsulated polyphenolic extracts. Aerobic colony, Enterobacteriaceae, Pseudomonas spp., and lactic acid bacteria counts were determined on treated samples compared to controls after 7 days of storage (in vacuum-packed conditions at +3 °C). Significant differences were registered only for aerobic colony count for a 10% liquid extract treatment (0.64 log reduction). In contrast, the dipping or immersion of game meat with low initial microbial loads (<5 Log cfu/g; mean value = 3.58 ± 0.72 standard deviation) in 10% solutions of the polyphenol extracts effectuated significant reductions in all bacteria counts (p < 0.002) at 7 and 14 days of storage for different extracts, independently from the application methods. The use of the extracts to inhibit bacterial growth in game meat should only be considered if a good hygienic baseline is guaranteed.
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  • 文章类型: Journal Article
    我们收集了基苏木714户家庭的婴儿食品样本,肯尼亚,估计肠球菌的患病率和浓度,食品卫生条件的指标。在212户家庭的子集中,我们量化了上午和下午进食时间之间储存食物浓度的变化。此外,记录了护理人员的家庭社会经济特征和卫生习惯。婴儿食品中肠球菌的患病率为50%(95%置信区间:46.1-53.4),平均log10菌落形成单位(CFU)为1.1(SD+1.4)。没有危险因素与婴儿食品中肠球菌的患病率和浓度显着相关。上午肠球菌浓度的平均log10CFU为0.47,下午食物为0.73,储存期间匹配样品的平均log10增加0.64log10。尽管在统计学上没有因素与婴儿食品中肠球菌的患病率和浓度相关,家用地板类型与储存过程中浓度的增加显着相关,与未完成的地板相比,完成的地板导致浓度增加的可能性提高1.5倍。我们的研究表明,低收入基苏木家庭的婴儿食品中肠球菌的患病率高,但浓度低,尽管在储存过程中浓度增加,这意味着暴露于食源性病原体超过一天的风险可能增加。需要进行进一步的研究,以调查病原生物对婴儿食品的污染并确定有效的缓解措施,以确保婴儿食品安全。
    We collected infant food samples from 714 households in Kisumu, Kenya, and estimated the prevalence and concentration of Enterococcus, an indicator of food hygiene conditions. In a subset of 212 households, we quantified the change in concentration in stored food between a morning and afternoon feeding time. In addition, household socioeconomic characteristics and hygiene practices of the caregivers were documented. The prevalence of Enterococcus in infant foods was 50% (95% confidence interval: 46.1 - 53.4), and the mean log10 colony-forming units (CFUs) was 1.1 (SD + 1.4). No risk factors were significantly associated with the prevalence and concentration of Enterococcus in infant foods. The mean log10 CFU of Enterococcus concentration was 0.47 in the morning and 0.73 in the afternoon foods with a 0.64 log10 mean increase in matched samples during storage. Although no factors were statistically associated with the prevalence and the concentration of Enterococcus in infant foods, household flooring type was significantly associated with an increase in concentration during storage, with finished floors leading to 1.5 times higher odds of concentration increase compared to unfinished floors. Our study revealed high prevalence but low concentration of Enterococcus in infant food in low-income Kisumu households, although concentrations increased during storage implying potential increases in risk of exposure to foodborne pathogens over a day. Further studies aiming at investigating contamination of infant foods with pathogenic organisms and identifying effective mitigation measures are required to ensure infant food safety.
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  • 文章类型: Journal Article
    (1)背景:COVID-19大流行带来了粮食安全的关键问题,食品安全,和食物垃圾成为焦点。蒂尔基耶在全球十大农业经济体中处于令人羡慕的地位,食品生产的多样性。进行这项调查是为了深入了解Türkiye消费者对这些问题的行为和态度。目标是突出优势和劣势,确定需要改进的地方,并提出未来的战略。(2)方法:这项调查于2022年4月至5月在蒂尔基耶的12个省进行。对2400名代表不同年龄的参与者进行了面对面的访谈,教育程度,和社会经济类别。对调查结果进行了统计学评价。(3)结果:结果提供了对态度和行为的洞察,无论是在COVID-19之前还是在大流行期间。在几个方面,大流行增加了知识,改善了行为,导致改善饮食和减少食物浪费。然而,对食品安全的担忧持续存在。已经特别注意理解面包的消费模式,特别是考虑到浪费。(四)结论:希望这次调查结果能增加粮食部门各组成部分之间的对话,鼓励教育倡议,并有助于改善蒂尔基耶及其他地区的食品安全和保障,减少食物浪费。
    (1) Background: The COVID-19 pandemic brought the key issues of food security, food safety, and food waste into sharp focus. Türkiye is in the enviable position of being among the top ten agricultural economies worldwide, with a wide diversity of food production. This survey was undertaken in order to gain insights into consumer behaviour and attitudes in Türkiye with respect to these issues. The objective was to highlight strengths and weaknesses, identify areas for improvement, and present strategies for the future. (2) Methods: This survey was carried out between April and May 2022 in 12 provinces throughout Türkiye. Face-to-face interviews were performed with 2400 participants representing a cross-section of ages, educational attainment, and socio-economic categories. The findings were evaluated statistically. (3) Results: The results provide an insight into attitudes and behaviours, both pre-COVID-19 and during the pandemic. In several ways, the pandemic enhanced knowledge and improved behaviour, leading to improvements in diet and reductions in food waste. However, worrying concerns about food safety persist. Specific attention has been given to understanding patterns of bread consumption, particularly in consideration of waste. (4) Conclusions: It is hoped that the results of this survey will increase dialogue between the components of the food sector, encourage education initiatives, and contribute to improving food safety and security and reducing food waste in Türkiye and beyond.
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  • 文章类型: Journal Article
    这项研究旨在确定在克尔曼沙出售的薯片中的丙烯酰胺含量,伊朗并评估与丙烯酰胺暴露相关的潜在健康问题。HPLC-DAD用于分析40个品牌的120个样品。所有40个品牌(100%)的成人可能的非致癌风险指数均低于1,但对于儿童来说,9个品牌(22.5%)低于1,31个品牌(77.5%)高于1。关于可能的致癌风险指数,对于成人,40个品牌中只有1个评级>10-4,而对于儿童,所有品牌评级>10-4。这表明,在克尔曼沙,儿童通过食用薯片暴露于丙烯酰胺可以被认为是癌症的风险,成年人的暴露需要关注和监测。减少薯片中丙烯酰胺和相关健康风险的最佳方法是改进生产工艺,特别是温度和时间。
    This study aimed to determine the acrylamide content in potato chips sold in Kermanshah, Iran and assess the potential health concerns associated with acrylamide exposure. HPLC-DAD was used to analyse 120 samples across 40 brands. The possible non-carcinogenic risk index for adults was below 1 for all 40 brands (100%), but for children it was only below 1 for 9 brands (22.5%) and above 1 for 31 brands (77.5%). Regarding the possible carcinogenic risk index, for adults only 1 out of 40 brands rated > 10-4, whereas for children all brands rated > 10-4. This shows that children\'s exposure to acrylamide through potato chips consumption in Kermanshah can be considered a risk on cancer and exposure of adults requires attention and monitoring. The best way to reduce acrylamide in potato chips and associated health risks is to improve the production process, especially temperature and time.
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  • 文章类型: Journal Article
    食源性疾病仍然是全球主要的公共卫生问题。大多数食源性疾病病例可以追溯到家庭。家庭食品处理人员的食品安全做法是家庭食品安全的重要决定因素。
    为了评估Ga-Rankuwa家庭中食品处理人员的食品安全做法,Tshwane.
    这项研究是在1-9区和16区以及Ga-Rankuwa的延伸25中进行的,Tshwane.
    使用定量描述性研究设计,对339名食品处理人员进行了结构化问卷调查。在STATA13.1中进行描述性和推断性统计分析。
    大多数食品处理人员报告说,在处理生肉之前(81%)和之后总是洗手,鸡或鱼;大多数食物处理人员(69%)报告说,他们总是用干净的食物清洗准备表面和餐具,处理生肉后的肥皂水,鸡或鱼不到一半(45%)的食品处理人员报告从未解冻过冷冻肉,鸡或鱼在一碗冷水。
    食品处理人员报告了有关洗手和食品制备表面和器具的适当食品安全做法。然而,他们关于肉类储存的做法,鸡和鱼是不合适的。
    本研究建立在现有的有关食品处理人员食品安全实践的文献基础上。此外,研究结果可以作为制定干预措施的基础,以确保家庭层面的食品安全。
    UNASSIGNED: Foodborne illness is still a major public health concern worldwide. Most cases of foodborne illness can be traced to the home. The food safety practices of food handlers in the household are an important determining factor in food safety at the household level.
    UNASSIGNED: To assess the food safety practices of food handlers in households in Ga-Rankuwa, Tshwane.
    UNASSIGNED: The study was conducted in zones 1-9 and zone 16, as well as extension 25 of Ga-Rankuwa, Tshwane.
    UNASSIGNED: A quantitative descriptive study design was used for which a structured questionnaire was administered among 339 food handlers. Descriptive and inferential statistical analysis was performed in STATA 13.1.
    UNASSIGNED: The majority of food handlers reported always washing their hands before (81%) and after handling raw meat, chicken or fish; the majority of food handlers (69%) reported always washing preparation surfaces and utensils with clean, soapy water after handling raw meat, chicken or fish. Less than half (45%) of food handlers reported never thawing frozen meat, chicken or fish in a bowl of cold water.
    UNASSIGNED: The food handlers reported appropriate food safety practices regarding hand washing and food preparation surfaces and utensils. However, their practices regarding the storage of meat, chicken and fish were inappropriate.
    UNASSIGNED: This study builds on the existing body of literature on the food safety practices of food handlers. Moreover, the study findings can serve as a basis for the development of interventions to ensure food safety at a household level.
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  • 文章类型: Journal Article
    牙结石(矿化牙菌斑)的分析已成为生物考古学研究中越来越重要的方面。尽管对牙结石中截留的微碎片的微观分析揭示了对饮食的重要见解,健康,和多个史前种群的环境,相对较少的研究研究了这种方法对更近的历史时期的贡献。在这项研究中,我们分析了英国后中世纪的牙结石,来自曼彻斯特的中产阶级城市骨骼组合,英国使用光学显微镜。我们描述了所有类型的微型遗骸,观察严重受损的淀粉和植物材料,大量的真菌和酵母孢子,木材颗粒的存在,植物(棉)和动物(羊毛)纤维,以及数量有限的微木炭和燃烧的碎片。我们观察到非本地人的存在,进口植物产品,包括新世界玉米和潜在的木薯淀粉。我们将我们的结果与早期的类似研究进行比较,以揭示重大经济、英国工业时期发生的社会和环境变化,包括食品加工的变化,食物获取,食品储存,和空气质量。最后,我们概述了中世纪后牙结石未来研究的重要方法学考虑因素,并提出了未来研究的潜在领域。
    The analysis of dental calculus (mineralised dental plaque) has become an increasingly important facet of bioarchaeological research. Although microscopic analysis of microdebris entrapped within dental calculus has revealed important insights into the diet, health, and environment of multiple prehistoric populations, relatively few studies have examined the contributions of this approach to more recent historical periods. In this study, we analyze dental calculus from an English Post-Medieval, middle-class urban skeletal assemblage from Manchester, England using light microscopy. We characterize all types of microremains, observing heavily damaged starch and plant material, high quantities of fungal and yeast spores, the presence of wood particles, plant (cotton) and animal (wool) fibres, as well as limited quantities of microcharcoal and burnt debris. We observe the presence of non-native, imported plant products, including New World maize and potentially tapioca starch. We compare our results to similar studies from earlier time periods to reveal the impacts of the significant economic, social and environmental changes occurring during the Industrial period in England, including changes in food processing, food access, food storage, and air quality. We conclude by outlining important methodological considerations for the future study of Post-Medieval dental calculus and propose potential areas of future research.
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