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http://dx.doi.org/10.5657/kfas.2007.40.6.350

Enhancing the Flavor of Pearl Oyster (Pinctada fucata) Extract Using Reaction Flavoring  

Kang, Jeong-Goo (Division of Marine Life Science / Institute of Marine Industry, Gyeongsang National University)
Nam, Gi-Ho (Division of Marine Life Science / Institute of Marine Industry, Gyeongsang National University)
Kang, Jin-Yeong (Division of Marine Life Science / Institute of Marine Industry, Gyeongsang National University)
Hwang, Seok-Min (Division of Marine Life Science / Geoje Cooking Academy, Gyeongsang National University)
Kim, Jeong-Gyun (Division of Marine Life Science / Institute of Marine Industry, Gyeongsang National University)
Oh, Kwang-Soo (Division of Marine Life Science / Institute of Marine Industry, Gyeongsang National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.40, no.6, 2007 , pp. 350-355 More about this Journal
Abstract
The optimal substrates and reaction flavoring conditions were examined to develop pearl oyster extract (POE) flavor using the Maillard reaction under a model system. The sugar for the Maillard reaction was glucose, and the amino acid was cysteine, with glycine as the reaction substrate. A three-dimensional response surface method was used to monitor the dynamic changes of the substrates during the Maillard reaction. To enhance the flavor of POE, a two-step enzymatic hydrolysate (Brix $20^{\circ}$) was reacted with the precursors (1:1, v/v). A 2:1:1 mixture of 0.4 M glucose:0.4 M glycine:0.4 M cysteine (v/v) was selected as a suitable reaction system for the reappearance of baked potato odor and boiled meat odor, and masking the shellfish odor. The two-step enzymatic hydrolysate and selected precursors were reacted in a high-pressure reactor to optimize the reaction parameters. The optimum conditions were 150 minutes at $120\;^{\circ}C$ and pH 7.0. The pH was the most critical factor for the response of the baked potato odor and masking the shellfish odor, while the reaction time affected the reappearance of the boiled meat odor.
Keywords
Reaction flavoring; Maillard reaction; Pearl oyster; Extract; Response surface methodology; By-product;
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Times Cited By KSCI : 5  (Citation Analysis)
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