A matéria publicada nesse periódico é licenciada sob forma de uma Licença Creative Commons -Atribuição 4. ABSTRACTMost of the B vitamins act as coenzymes of macronutrient catabolism reactions, which produce energy for the body. This group of vitamins is essential in small quantities for the body, and should be obtained from the diet, as they are not synthesized by the body. Foods of plant origin are important source of vitamins, being essential to be part of the diet. The systematic absence of vitamins in the diet results, almost always, in deficient growth and development and other organic disturbances, forming a characteristic symptomatological picture of deficiency. This review aims to focus on vitamins of the B complex: thiamine (B1), riboflavin (B2) and folic acid (B9) its health benefits, as well as the analytical methods of quantification of the same in foods.
The algae turf scrubber (ATS) is an excellent system for nutrient removal in wastewater or water bodies. The purpose of this study was to evaluate the production of periphytic biomass in an ATS system installed in a freshwater reservoir and to recognize biomass composition. Mid-infrared spectroscopic analysis was carried out to identify the main composition and variability of biomass using multivariate analysis. The composition was studied for potentiality to use the periphytic biomass for the industry. As a result, the system produced a dry weight of 4.46 g m −2 day −1 of periphytic biomass. It was determined that the biomass contained 43.71% carbon, 6.03% nitrogen, and 2.87% phosphorus. Protein, lipid, and carbohydrate contents were 19.27%, 5.90%, and 65.9%, respectively. Carbohydrate and protein values indicated that the periphytic biomass has a potential for biofuel, fertilizer, and animal feed, and other products; due to the carbohydrate content, application for fermentative products is relevant.
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