Following a request from the European Commission, the EFSA Panel on Nutrition, Novel foods and Food Allergens (NDA) was asked to deliver an opinion on overall safety assessment for chia seeds (Salvia hispanica L.) as a novel food (NF) pursuant to Regulation (EU) 2015/2283 in the light of the increasing dietary intake from the growing number of authorised uses in recent years. The safety assessment of this NF is based on data supplied in seven applications, previous safety assessments of chia seeds and information retrieved from an extensive literature search done by EFSA. Since none of the applications addressed the possible formation of process contaminants, the present assessment is limited to those proposed extended uses which do not raise safety concerns regarding the formation of such contaminants. These include the use of whole and ground chia seeds added to chocolate, fruit spreads, fruit desserts, mixed fruit with coconut milk in twin pot, fruit-preparations to underlay a dairy product, fruit-preparations to be mixed with dairy products, confectionary (excluding chewing gums), dairy products and analogues, edible ices, fruit and vegetables products, non-alcoholic beverages and compotes from fruit and/or vegetables and/or with cereals. In addition, this assessment also concerns uses of chia seeds without specific restrictions and precautions regarding their use levels in other foods which usually do not include heat treatment during processing and cooking. Apart from allergenicity, the Panel did not identify any hazard which causes safety concerns. Lacking the basis and need to establish safe maximum intake levels for chia seeds, no exposure assessment was conducted. The Panel concludes that chia seeds are safe under the assessed conditions of use.
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Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries.
The warming of the surface ocean is expected to increase the stratification of the upper water column. This would decrease the efficiency of the wind-induced mixing, reducing the nutrient supply to the euphotic layer and the productivity of the oceans. Climatic projections show that the Mediterranean Sea will experience a strong warming and salting along the twenty first century. Nevertheless, very few works have found and quantified changes in the water column stratification of the Western Mediterranean. In this work, we obtain time series of Mixed Layer Depth (MLD) along the Spanish Mediterranean waters and the Gulf of Cádiz, using periodic CTD profiles collected under the umbrella of the Ocean Observing system of the Instituto Español de Oceanografía (IEO-CSIC). The length of the time series analyzed is variable, depending on the geographical area, but in some cases these time series extend from the beginning of the 1990s decade. Our results show that at present, no statistically significant changes can be detected. These results are confirmed by the analysis of MLD time series obtained from Argo profilers. Some of the meteorological factors that could affect the water column stratification (wind intensity and precipitation rates) did not experience significant changes for the 1990-2021 period, neither were observed long-term changes in the chlorophyll concentration. The hypothesis proposed to explain this lack of trends, is that the salinity increase of the surface waters has compensated for the warming, and consequently, the density of the upper layer of the Western Mediterranean (WMED) has remained constant. As the wind intensity has not experienced significant trends, the stratification of the Spanish Mediterranean waters and those of the Gulf of Cádiz would have not been affected. Nevertheless, we do not discard that our results are a consequence of the short length of the available time series and the large variance of the variables analyzed, evidencing the importance of the maintenance of the ocean monitoring programs.
The legal emancipation of slaves in Zanzibar and on the Swahili coast of Kenya was enacted in 1907, but the measure was not enforced on Lamu Island until 1910. The slave-owners of Lamu were already in dire straits from the decline of their plantations on the mainland and from the changes accompanying colonial rule which, by contrast with Mombasa, left Lamu Island as an economic backwater. They were little inclined to co-operate with the provisions of the legislation and were actively abetted in this by some their slaves. Emancipation was therefore a more protracted process than in those parts of the coast where alternative opportunities had opened up for ex-slaves and for landowners. Those who were gradually liberated either emigrated elsewhere or entered into new forms of dependent relationships with the Afro-Arab aristrocracy. Meanwhile, slavery lingered on under the noses of British officials.
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