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De Gustibus Asparagus: Habits, Trade, and Welfare from Out of Season Imports of Fresh Vegetables AgEcon
Ferrier, Peyton Michael; Zhen, Chen.
Fresh vegetables, including asparagus, are now available in months outside of the domestic growing season for most U.S. consumers. We use the virtual price method to calculate the equivalent variation for increased availability in a demand system for fresh and frozen vegetables and find that virtual price of out-of-season asparagus is roughly 3 times higher than its in-season price in years prior to year round availability. We find the equivalent variation between 1986-1991 (when asparagus was available approximately half the year) and 1993-1999 (when it was available year round) to be 0.91 of consumer vegetable budgets, implying a welfare benefit of approximately $86 million annually. We also find evidence of habit formation for fresh but not frozen...
Tipo: Conference Paper or Presentation Palavras-chave: Vegetable; Translog; Asparagus; Habits; Virtual price; Welfare; Fresh; Frozen; Consumer/Household Economics; Demand and Price Analysis; International Relations/Trade.
Ano: 2010 URL: http://purl.umn.edu/61160
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Vegetable and Melons Outlook: June 24, 2010 AgEcon
Lucier, Gary; Glaser, Lewrene K..
Tipo: Report Palavras-chave: Potatoes; Tomatoes; Lettuce; Onions; Broccoli; Dry beans; Pinto; Dry peas; Lentils; Direct marketing; Supply; Demand; Prices; Retail; Farm; Fresh; Processing; Canned; Frozen; Wholesale; PPI; CPI; Input prices; Data; Market analysis; USDA; ERS; Economic Research Service; United States Department of Agriculture; VGS339; Agribusiness; Crop Production/Industries; Demand and Price Analysis; Marketing; Production Economics.
Ano: 2010 URL: http://purl.umn.edu/92333
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The influence of processing and long-term storage on the antioxidant metabolism of acerola (Malpighia emarginata) purée Braz. J. Plant Physiol.
Oliveira,Luciana S.; Rufino,Maria S. M.; Moura,Carlos F. H.; Cavalcanti,Fabio R.; Alves,Ricardo E.; Miranda,Maria R. A..
This study evaluated the effect of the processing and long-term storage on the antioxidant potential and activity of antioxidant enzymes of frozen purées from six acerola clones. Ripe acerolas from clones BRS 235, BRS 236, BRS 237, BRS 238, II47/1 and BRS 152 were harvested; the pulp was processed, packed in sealed polyethylene plastic bags and stored in a domestic freezer at -18°C for 11 months. Samples of each clone were analyzed on harvest/processing day and every 30 days after for bioactive antioxidant compounds, antioxidant enzyme activity and total antioxidant activity. Acerola purées presented a decrease of non-enzyme antioxidants and an increase of antioxidant enzymes activities, indicatives of a compensatory mechanism between enzymatic and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pulp; Enzymes; Vitamin C; Postharvest; Frozen.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202011000200007
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