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Production of nondairy fermented products with chestnut puree as substrate and ...

Afonso, Maria João A.P.S.; Ramalhosa, Elsa; Del Río, Pablo G.; Martins, Fátima; Baptista, Paula; Pereira, Ermelinda; Guerra, Nelson P.

This work aimed to study the production, for the first time, of three fermented products of chestnut puree (CP) withmilk kefir grains, a higher nisin-producing (Lactococcus (L.) lactis CECT 539) and a higher lactic acid-producing (Lactobacillus (Lb.) casei CECT 4043) lactic acid bacteria (LAB). After studying the CP rheology, the ability of the two LAB to assimilate the carbon sources (starch, sucrose, glucose,...

Data: 2025   |   Origem: Biblioteca Digital do IPB

Exposure to Waste Anesthetic Gases Throughout Surgical Interventions: A Case St...

Leal, Leiddi Laura Maria; Yamanaka, Vanessa Yukie; Pereira, Ermelinda; Theodoro, Joseane; Domingues, Maria de Fátima; Fernandes, Isabel

The accumulation of anesthetic gas residues in surgery units can pose health risks to healthcare professionals, highlighting the need to establish effective protection measures. This study evaluated waste anesthetic gas levels in a local health unit in northern Portugal to identify highexposure areas during surgeries using general anesthesia. Measurements of desflurane, sevoflurane, carbon dioxide, air temperat...

Data: 2024   |   Origem: Biblioteca Digital do IPB

Differential responses of photosynthesis, yield and soil properties 4 years aft...

Martins, Sandra; Brito, Cátia; Gonçalves, Alexandre; Moutinho-Pereira, José; Pereira, Ermelinda; Arrobas, Margarida; Rodrigues, M.A.; Nunes, Fernando

Olive orchards represent a key agricultural system in the Mediterranean Basin. Soil degradation processes associated with unsustainable agronomic practices and climate change could severely impact the sustainability of Mediterranean rainfed olive orchards. In this context, soil amendments are important tools that can be used to enhance soil fertility for sustained environmental quality and plant performance. In...

Data: 2024   |   Origem: Biblioteca Digital do IPB

Metagenomic characterization of soil bacterial communities in young chestnut or...

Pereira, Ermelinda; Choupina, Altino; Patrício, Maria Sameiro

Soil microorganisms play a crucial role in biogeochemical cycles and are key drivers of soil productivity. However, the soil bacterial community associated with the European chestnut (Castanea sativa Mill.) remains poorly characterized. In this sense, this study aimed to characterize the soil bacterial community in young chestnut orchards in Northern Portugal and investigate its dynamics throughout the year. So...

Data: 2024   |   Origem: Biblioteca Digital do IPB

Dolomitic limestone was more effective than calcitic limestone in increasing so...

Arrobas, Margarida; Conceição, Nuno; Pereira, Ermelinda; Martins, Sandra; Raimundo, Soraia; Brito, Cátia; Correia, Carlos M.; Rodrigues, M.A.

In acid soils, when no-tillage farmers intend to apply lime, the question arises as to whether it should be incorporated into the soil or whether it can be left on the soil surface. In this study, two types of limestone, calcitic (Lcal) and dolomitic (Lmag), were tested in two olive groves of cv. Cobrançosa, with an initial pH of 4.9 (S. Pedro) and 5.5 (Raparigas). In S. Pedro, limestone was incorporated into t...

Data: 2023   |   Origem: Biblioteca Digital do IPB

Composts obtained by mixing hop leaves with wheat straw or farmyard manure impr...

Afonso, Sandra; Pereira, Ermelinda; Arrobas, Margarida; Rodrigues, M.A.; Choupina, Altino

Hop (Humulus lupulus L.) leaves are rich in nutrients, particularly nitrogen (N). After harvest, they can be recycled through composting for use as a soil amendment. In this study, we report the effect of composts obtained from mixtures of hop leaves with other organic materials (wheat straw, farmyard manure, and ash from hop stems) at different ratios on soil properties and microbial diversity. Data on total N...

Data: 2023   |   Origem: Biblioteca Digital do IPB

Effect of different storage conditions on the stability and safety of almonds

Rodrigues, Paula; Jelassi, Arij; Kanoun, Elifa; Sulyok, Michael; Correia, Paula; Ramalhosa, Elsa; Pereira, Ermelinda

Almond production in Portugal is of great importance for the economy of their main producing areas. However, the contamination of these nut fruits with fungi and mycotoxins poses a significant risk to food safety and security. This work intended to evaluate the influence of storage conditions on the microbial and mycotoxin stability and safety of almonds throughout long-term storage. Two almond varieties-Lauran...

Data: 2023   |   Origem: Biblioteca Digital do IPB

Synergy between zeolites and leguminous cover crops improved olive tree perform...

Martins, Sandra; Brito, Cátia; Silva, Ermelinda; Gonçalves, Alexandre; Arrobas, Margarida; Pereira, Ermelinda; Rodrigues, M.A.; Nunes, Fernando M.

Soil degradation and climate change are threatening the sustainability of Mediterranean olive orchards, typically grown under rainfed conditions and conventional soil tillage. Thus, implementing sustainable soil management practices is crucial to preserve soil health and mitigate the negative effects on plant performance. In this study, we assessed the effects of conventional tillage (T), an early maturing and ...

Data: 2023   |   Origem: Biblioteca Digital do IPB

Effect of different storage conditions on the stability and safety of almonds

Rodrigues, Paula; Jelassi, Arij; Kanoun, Elifa; Sulyok, Michael; Correia, Paula; Ramalhosa, Elsa; Pereira, Ermelinda

Almond production in Portugal is of great importance for the economy of their main producing areas. However, the contamination of these nut fruits with fungi and mycotoxins poses a significant risk to food safety and security. This work intended to evaluate the influence of storage conditions on the microbial andmycotoxin stability and safety of almonds throughout long-term storage. Two almond varieties—Laurann...

Data: 2023   |   Origem: Biblioteca Digital do IPB

Application of commercial disinfectants to improve chestnut fruit sanitation

Pereira, Ermelinda; Alves, Joana; Lopes-da-Silva, M.F.

Fresh European chestnut (Castanea sativa Mill.) gas intermediate perisability charactyeristics between fresh and dried fruits

Data: 2023   |   Origem: Biblioteca Digital do IPB

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