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Analysis of the Economic Effects of Requiring Post-harvest Processing for Raw Oysters AgEcon
Muth, Mary K.; Viator, Catherine; Karns, Shawn A..
Tipo: Conference Paper or Presentation Palavras-chave: Oysters; Post-harvest processing; Hydrostatic pressure; Cool pasteurization; GIS; Agricultural and Food Policy; Food Consumption/Nutrition/Food Safety; L510; Q180; Q220.
Ano: 2011 URL: http://purl.umn.edu/103814
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Modeling the equilibrium moisture content of desorption and adsorption of yam (Dente) CIGR Journal
Amankwah, E.A.; Straten, G. van; Boxtel, Ton van.
The experimental equilibrium moisture content of yam (Dioscorea rotundata; cultivar: Dente) at temperatures of 25 and 50°C were determined at relative humidities from 0 to 95% employing the Dynamic Vapour Sorption analyzer. Wet yam samples with about 68% initial moisture content were used, first for desorption and subsequently for sorption. Water activity decreased with increased temperature at constant equilibrium moisture content. The desorption and adsorption isotherms were fitted by the GAB, Henderson, Halsey, Oswin, Smith, BET and Peleg models. On the basis of the fit the Peleg, GAB and Oswin models were most suitable for describing the observed data. When the focus is on drying, the GAB (3 parameters) and empirical Peleg model (4 parameters)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Post-harvest processing; Drying Sorption isotherm; Yam; Equilibrium moisture content; GAB.
Ano: 2018 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4428
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Piper gaudichaudianum Kunth: Seasonal Characterization of the Essential Oil Chemical Composition of Leaves and Reproductive Organs BABT
Schindler,Bianca; Heinzmann,Berta Maria.
ABSTRACT This study describes a comparative analysis of the essential oil (EO) chemical composition of leaves and reproductive organs (inflorescences and fruits) of Piper gaudichaudianum during the seasons of a year in order to determine the best collection time and the most suitable plant organ to obtain this extractive. The chemical composition of EO obtained from fresh leaves was compared to the dried ones, to verify if the drying process interferes in the extractive quality. The leaves were collected from a native population of Santa Maria, RS, Brazil, twice in each season, in triplicate, while inflorescences and fruits were sampled when they were present. The EO was obtained by hydrodistillation of the different plant organs for 3 h. The 20 EO samples...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pariparoba; Plant extraction; Medicinal plant; Post-harvest processing.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100603
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