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Optimisation of Process Parameters for Vacuum Concentration and Foaming Behaviour of Aloe vera (Aloe barbadensis Miller) Gel CIGR Journal
Mahapatra, Suryakanta; Srivastav, Prem Prakash; Halder, Kumaresh.
This study on Aloe vera gel was conducted to investigate the optimum condition for vacuum concentration in relation to its physicochemical properties and optimum foaming condition of the concentrated products which was used as raw material of foam mat drying. Twenty experiments were conducted for vacuum concentration at different temperature and time combinations. Solutions of numerical optimisation were obtained by using Design-Expert program 7.0 of stat-Ease software for the optimum concentration condition covering the criteria as temperature 55⁰C and time 60 min for concentration are- ascorbic acid 4.095%, total soluble solids  3.6 ºBx, total solids 3.7% , acidity 0.0698 % (as malic acid) and pH 4.97, while the experimental values at temperature 55⁰C...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Post harvest engineering and Food Processing optimisation; Aloe vera gel; Vacuum concentration; Temperature; Time; Foam expansion; Foam stability.
Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3709
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Viscosity of egg white from hens of different strains fed with commercial and natural additives Ciênc. Tecnol. Aliment.
Spada,Fernanda Papa; Gutierrez,Érika Maria Roel; Souza,Miriam Coelho de; Brazaca,Solange Guidolin Canniatti; Lemes,Dayane Elizabeth Aoqui; Fischer,Flávia Salgado; Coelho,Antonio Augusto Domingos; Savino,Vicente José Maria.
Yolk color and egg white (albumen) cleanliness and viscosity are important parameters by which consumers judge the quality of eggs. This study aimed to investigate changes in albumen viscosity during storage of eggs for up to 36 days from two different commercial laying hen strains (Carijo Barbada and Isa Brown) fed a diet containing annatto (1.5 and 2.0%) or a synthetic additive without synthetic colorants (control). Analyses of humidity, albumen height, pH, viscosity, foam formation, and stability were carried out on eggs. Carijo Barbada strain had smaller albumen, lower humidity and higher egg white viscosity than Isa Brown strain; however, with storage, viscosity lowered significantly on both strains. Initially, the addition of 2.0% of annatto or a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Strain; Egg; Foam formation; Foam stability; PH; Albumen height.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612012000100007
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