24 documents found, page 1 of 3

Evaluation of Aloe vera juice as a substrate for Enterococcus faecium

Fermented plant material beverages stand out from fermented food in general, since their consumption presents no risk of intolerance and allergies associated with dairy food. Aloe vera has been used to varied medical purposes due to their bioactive compounds. Lactic acid bacteria, generally used in fermented beverages, are known also for their potential health and nutritional benefits. This study aimed to evalu...

Production of a new functional Aloe vera juice with Enterococcus faecium

Production of a protein hydrolysate of Pleurotus ostreatus mushroom

Fast demographic growth has led to a growing interest in low-cost alternative protein sources to meet demands. Consequently, the attention of many researchers has focused on finding under- exploited sources of proteins, alternatives to those of animal origin, usually plant proteins have been used for this purpose. However, fungal proteins can be of a higher quality than those from many plants and may have certa...

Effect of Pleurotus ostreatus powder on the nutritional characteristics of bread

Pleurotus ostreatus is one of the most produced edible mushrooms worldwide. It is a source of high quality proteins, rich in fiber, vitamins, minerals and essential amino acids. Several bioactive compounds have been identified in P. ostreatus, such as -glucans, with immunosuppressive and immunomodulatory activities, hypoglycemic and prebiotic effects. Aguamiel, obtained from Agave Salmiana, is a sweet-tasting l...

O pré-tratamento hidrotérmico no conceito das biorrefinarias

Hoje em dia os pré-tratamentos precisam ser robustos, para num mesmo processo, se produzirem compostos de alto valor acrescentado, como os xilooligossacarídeos (XOS) que podem ser aplicados na indústria alimentar, farmacêutica e energética, além de isto a produção de substratos para a conversão em biocombustíveis, como o bioetanol, e assim reduzir os altos custos das biorrefinerias de segunda geração. Além diss...

Chemical composition and antioxidant activity of sulphated polysaccharides extr...

Sulphated polysaccharides (SP) were extracted from Fucus vesiculosus seaweed by using two different hydrothermal processes: microwave-assisted extraction (MAE) and autohydrolysis (AH). The extraction yields, chemical composition, and antioxidant activity of the polysaccharides extracted were determined and compared. Although both processes afforded SP with similar yields (18.2 mass % and 16.5 mass %, for MAE an...

Fungal fucoidanase production by solid-state fermentation in a rotating drum bi...

Fucoidanase enzymes able to degrade fucoidan were produced by solid-state fermentation (SSF). The fermentation assays were initially carried out in a laboratory-scale rotating drum bioreactor, and two fungal strains (Aspergillus niger PSH and Mucor sp. 3P) and three algal substrates (untreated, autohydrolyzed, and microwave processed seaweed Fucus vesiculosus) were evaluated. Additionally, fermentations were ca...

Hydrothermal processing, as an alternative for upgrading agriculture residues a...

The concept of a biorefinery that integrates processes and technologies for biomass conversion demands efficient utilization of all components. Hydrothermal processing is a potential clean technology to convert raw materials such as lignocellulosic materials and aquatic biomass into bioenergy and high added-value chemicals. In this technology, water at high temperatures and pressures is applied for hydrolysis, ...

Evaluation of autohydrolysis extraction processes on the antioxidant capacity o...

Extraction of sulfated polysaccharides by autohydrolysis of brown seaweed Fucus...

The extraction of sulfated polysaccharides (fucoidan) by autohydrolysis (AH) of brown seaweed Fucus vesiculosus was studied. Experimental assays were performed under different conditions of temperature (160 to 200°C) and reaction time (10 to 30 min) according to a 22 central composite design, and the conditions able to maximize the fucoidan yield were selected. The alga degradation and the total sugar yield in ...