Is light weighting glass bottles for wine an option? : a study on the portuguese wine market and consumers

Atualmente, no mercado de vinhos Português são usadas garrafas de vidro de uma grande diversidade de formas e pesos. Uma vez que o sistema de embalagem é um dos principais fatores responsáveis pela pegada de carbono do produto, a redução do seu impacto é uma medida importante para a sustentabilidade. Nesse contexto, este estudo foca a possibilidade de redução do peso da garrafa de vidro para vinho, numa perspetiva do consumidor. Foi feita uma caracterização de uma amostra de garrafas de vinho, no que diz respeito ao peso, capacidade e distribuição da espessura do vidro. Foram analisadas 315 garrafas de vinho tinto liso presentes no mercado quanto ao seu peso, forma e preço. Foi também realizado um estudo ao consumidor sobre as suas convicções quanto à garrafa de vinho e à sustentabilidade. Foi possível verificar que uma diferença de 100 g numa garrafa é tecnicamente possível graças a uma melhor distribuição do vidro e que apenas uma minoria dos consumidores conseguiu percecionar essa diferença. O peso das garrafas foi positivamente correlacionado com o preço do vinho. Verificou-se que os consumidores, apesar de também associarem uma garrafa mais pesada a um vinho premium, não dão importância a esse fator na escolha de um vinho. Os resultados do inquérito indicaram que os consumidores têm uma grande consciencialização quanto a algumas características da embalagem, como: não conter plástico, ser reciclável, reutilizável, biodegradável, conter material reciclado, e ter uma baixa pegada de carbono. No entanto, existe uma falta de conhecimento quando ao impacto da redução de peso da embalagem na redução da pegada de carbono.Currently, the Portuguese wine market has a great diversity of glass bottle shapes and weights. Since the packaging system is a major factor responsible for the product’s carbon footprint, reducing its impact is an important measure towards sustainability. In this context, this study focuses on the possibility of light weighting glass bottles, in the consumer perspective. A characterization of bottle samples was made regarding their weight, capacity and glass thickness distribution. A sample of commercialized red wine bottles (315) were assessed regarding their weight, shape and wine price. A consumer survey was conducted on beliefs about the wine bottle and sustainability. Results showed that a difference of 100 g in wine bottles is technically possible by promoting a better glass distribution, and that only a minority of consumers could perceive that difference. The weight of the bottles was positively correlated with the price of the wine. Results indicate that although consumers associate a heavier bottle with a premium wine, they did not rely on weight as an important factor for their wine buying choice. Results from the survey showed that consumers have a high awareness regarding several packaging characteristics, such as: being plastic free, recyclable, reusable, biodegradable, made with recycled materials and having a low carbon footprint. However, there is a lack of knowledge about the impact of packaging light weighting on reducing the carbon footprint

Seminário de Dissertação (2024)

Página da disciplina de Seminário de Dissertação (MPPP, UFPE, 2022) Lista de participantes == https://docs.google.com/spreadsheets/d/1mrULe1y04yPxHUBaF50jhaM1OY8QYJ3zva4N4yvm198/edit#gid=

Characterisation of microbial attack on archaeological bone

As part of an EU funded project to investigate the factors influencing bone preservation in the archaeological record, more than 250 bones from 41 archaeological sites in five countries spanning four climatic regions were studied for diagenetic alteration. Sites were selected to cover a range of environmental conditions and archaeological contexts. Microscopic and physical (mercury intrusion porosimetry) analyses of these bones revealed that the majority (68%) had suffered microbial attack. Furthermore, significant differences were found between animal and human bone in both the state of preservation and the type of microbial attack present. These differences in preservation might result from differences in early taphonomy of the bones. © 2003 Elsevier Science Ltd. All rights reserved

Núcleos de Ensino da Unesp: artigos 2008

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq

Diminishing benefits of urban living for children and adolescents’ growth and development

Optimal growth and development in childhood and adolescence is crucial for lifelong health and well-being1–6. Here we used data from 2,325 population-based studies, with measurements of height and weight from 71 million participants, to report the height and body-mass index (BMI) of children and adolescents aged 5–19 years on the basis of rural and urban place of residence in 200 countries and territories from 1990 to 2020. In 1990, children and adolescents residing in cities were taller than their rural counterparts in all but a few high-income countries. By 2020, the urban height advantage became smaller in most countries, and in many high-income western countries it reversed into a small urban-based disadvantage. The exception was for boys in most countries in sub-Saharan Africa and in some countries in Oceania, south Asia and the region of central Asia, Middle East and north Africa. In these countries, successive cohorts of boys from rural places either did not gain height or possibly became shorter, and hence fell further behind their urban peers. The difference between the age-standardized mean BMI of children in urban and rural areas was <1.1 kg m–2 in the vast majority of countries. Within this small range, BMI increased slightly more in cities than in rural areas, except in south Asia, sub-Saharan Africa and some countries in central and eastern Europe. Our results show that in much of the world, the growth and developmental advantages of living in cities have diminished in the twenty-first century, whereas in much of sub-Saharan Africa they have amplified