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const2013 [10]
3 years ago
11

O uso de técnicas bromatológicas para a avaliação dos alimentos é fundamental para uma formulação de rações com um melhor nível

de precisão destas dietas (VARGAS 2008). Apresentam processos laboratoriais diretos os seguintes ingredientes: a) Agua e Extrativos não nitrogenados; b) Agua e Extrato etéreo; c) Extrativo Não Nitrogenado e Matéria Mineral; d) Umidade e Extrativo Não nitrogenados; e) Matéria Seca e Carboidratos.
Health
1 answer:
brilliants [131]3 years ago
7 0

Answer:

A resposta é e.

Explanation:

Os carboidratos são testados para o extrato livre de nitrogênio:

Extrato livre de nitrogênio (%) = 100- (A + B + C + D + E)

Onde:

A = teor de umidade (%)

B = Teor de proteína bruta (%)

C = Teor lipídico bruto (%)

D = Teor de fibra bruta (%)

E = teor de cinzas (%)

<u>Para obter o valor ou o peso da matéria seca, o método baseia-se na secagem de uma amostra em um forno e na determinação da diferença de peso entre o material seco e o úmido. </u>

<u> </u>

-Eletrodomésticos

- Forno de secagem.

-Dessecadores.

<u>Procedimento </u>

Pesar cerca de 5 a 10 g da amostra previamente moída.

Coloque a amostra em um forno a 105 ° C por um período mínimo de 12 h.

Deixe a amostra esfriar em um exsicador.

Pesar novamente, cuidando para que o material não seja exposto ao meio ambiente.

<u />

<u>Cálculos </u>

<u> </u>

Conteúdo de umidade (%) = 100 ((B-A) - (C-A)) / (B-A))

Onde:

A = Peso do couro envernizado seco e limpo (g)

B = Peso do couro envernizado + amostra úmida (g)

C = peso de Charolilla + amostra seca (g)

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