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  • SEAFDEC/AQD-Department of Agriculture (DA) - Philippines
  • Bureau of Agricultural Research (BAR)
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  • Research Output of the Fisheries Sector Program: Volume 2. Reports on Fisheries and Aquaculture
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Development of various value-added products from 'aloy' or bullet tuna Auxis rochei

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Date
2007
Author
Santos-Yap, Encarnacion Emilia M.
Page views
3,542
Subject
food technology ASFA
fishery products ASFA
processing fishery products ASFA
canned products ASFA
product development ASFA
Auxis rochei AGROVOC
tuna AGROVOC
Philippines AGROVOC
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Abstract
The recommended steps in new product development were followed to utilize bullet tuna maximally. New products were generated, evaluated, and refined. Three product concepts were initially advanced to the product optimization stage; both product and positioning blueprints were created. The products were optimized in terms of the levels and combinations of additives and spices, and the organoleptic properties were evaluated. The new products—bullet tuna loaf, seasoned dried bullet tuna, canned spicy bullet tuna, and canned pet foods—were tested for shelf-life. Tuna loaf treated with potassium sorbate remained acceptable for 29 days at 0°C, whereas untreated samples remained acceptable for 26 d at 0°C, 16 d at 14°C, and 3 d at 35°C. Seasoned dried tuna was still acceptable until 15 d in storage at 0°C and until 6 d at 35°C. Canned spicy tuna remained acceptable after more than a year of storage at 35°C. Cost analysis based on the current retail prices of bullet tuna (P30/kg), additives, spices and other raw materials showed that the production costs were: P19 for 100 g of bullet tuna loaf; P2 for a piece of seasoned dried tuna; and P 12.5 for a can of spicy bullet tuna. Traditional processing methodologies were applied to bullet tuna as raw material. Smoking and dry-salting yield bullet tuna products that can be offered to the consumers at prices much lower than those of the newly developed value-added products.
URI
http://hdl.handle.net/10862/3302
Suggested Citation
Santos-Yap, E. M. (2007). Development of various value-added products from 'aloy' or bullet tuna Auxis rochei. In T. U. Bagarinao (Ed.), Research Output of the Fisheries Sector Program (Vol. 2. Reports on Fisheries and Aquaculture, pp. 157-164). Quezon City, Philippines: Bureau of Agricultural Research, Department of Agriculture.
Type
Book chapter
ISBN
9718511776
Collections
  • Research Output of the Fisheries Sector Program: Volume 2. Reports on Fisheries and Aquaculture [32]

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