Avaliação do enriquecimento de sementes de girassol com selênio
Data
2024-06-04
Tipo
Trabalho de conclusão de curso
Título da Revista
ISSN da Revista
Título de Volume
Resumo
A alimentação ideal para os seres humanos é aquela que contém todos os macro e micronutrientes, destacando-se os elementos essenciais, os quais desempenham importantes funções no organismo humano. As fontes desses elementos, na sua maioria das vezes, são alimentos, produtos de origem agrícola, porém esses alimentos muitas das vezes não tem a quantidade suficiente para suprir a necessidade desses nutrientes em seres humanos. A falta desses elementos impede a manutenção de uma vida saudável, podendo causar doenças ou até a morte. Assim, é necessário produzir alimentos que promovam a saúde. Embora a suplementação com polivitamínicos seja comum, ela não é acessível para
a população mais carente. O enriquecimento de alimentos é uma solução sustentável e acessível, podendo ser feito pela adição de elementos no solo, tratamento foliar, imersão das sementes e cultivo hidropônico. Diante do exposto,
este estudo investigou o enriquecimento de sementes de girassol com selênio (Se) por imersão em soluções contendo Se(VI) ou Se(IV). Avaliou-se os níveis de absorção de Se pelas sementes de girassol em diferentes concentrações e espécies químicas de Se, bem como obteve-se a distribuição protéica. As sementes enriquecidas em soluções de 240 μg Na2SeO3 e 240 μg Na2SeO4 apresentaram maiores níveis de Se, com 68,9 ± 6,4 mg kg-1 e 42,7 ± 2,3 mg kg-1, respectivamente, em comparação ao grupo controle, que apresentou 1,34 ± 0,2 mg kg-1. Este estudo destaca a viabilidade do enriquecimento de sementes de girassol com Se por imersão em soluções enriquecidas, oferecendo uma abordagem promissora para a
produção de alimentos funcionais.
The ideal diet for humans contains all macro and micronutrients, detaching the essential elements, which play important roles in the human organism. playing important roles in the human body. The sources of these elements, in most cases, are foods, products of agricultural origin, but these foods often do not have enough to meet the need for these nutrients in humans. The lack of these elements prevents the maintenance of a healthy life, which can cause illness or even death. Therefore, it is necessary to produce foods that promote health. Although multivitamin supplementation is common, it is not accessible to the neediest population. Food enrichment is a sustainable and affordable solution and can be done by adding elements to the soil, foliar treatment, soaking seeds and hydroponic cultivation. In this context, this study investigated the enrichment of sunflower seeds with selenium (Se) by immersing them in solutions containing Se(VI) or Se(IV). The Se absorption levels by sunflower seeds were evaluated at different concentrations and chemical species of Se, as well as protein distribution was obtained. The seeds enriched in solutions of 240 μg Na2SeO3 and 240 μg Na2SeO4 showed higher Se levels, with 68.9 ± 6.4 mg kg-1 and 42.7 ± 2.3 mg kg-1, respectively, compared to the control group, which presented 1.34 ± 0.2 mg kg-1. This study highlights the feasibility of enriching sunflower seeds with Se by immersion in enriched solutions, offering a promising approach to produce functional foods.
The ideal diet for humans contains all macro and micronutrients, detaching the essential elements, which play important roles in the human organism. playing important roles in the human body. The sources of these elements, in most cases, are foods, products of agricultural origin, but these foods often do not have enough to meet the need for these nutrients in humans. The lack of these elements prevents the maintenance of a healthy life, which can cause illness or even death. Therefore, it is necessary to produce foods that promote health. Although multivitamin supplementation is common, it is not accessible to the neediest population. Food enrichment is a sustainable and affordable solution and can be done by adding elements to the soil, foliar treatment, soaking seeds and hydroponic cultivation. In this context, this study investigated the enrichment of sunflower seeds with selenium (Se) by immersing them in solutions containing Se(VI) or Se(IV). The Se absorption levels by sunflower seeds were evaluated at different concentrations and chemical species of Se, as well as protein distribution was obtained. The seeds enriched in solutions of 240 μg Na2SeO3 and 240 μg Na2SeO4 showed higher Se levels, with 68.9 ± 6.4 mg kg-1 and 42.7 ± 2.3 mg kg-1, respectively, compared to the control group, which presented 1.34 ± 0.2 mg kg-1. This study highlights the feasibility of enriching sunflower seeds with Se by immersion in enriched solutions, offering a promising approach to produce functional foods.