Abstract
The portion of food interest of sea urchin is located in the gonads, a dish increasingly appreciated in the international cuisine. The aims of this study were evaluate the process of fresh roes from rock-boring urchin sea Echinometra lucunter for human consumption, check the acceptance and preference of the product, and consumer purchase intent. Studies on processing of roes from E. lucunter are nonexistent, thus, this study is a pioneer in Brazil. The roes were processed following the steps: wash in a solution of potassium alum, drainage, separation by color, packaging and storage under refrigeration (0-4°C). Following, batches of the roes were characterized by physical, chemical and microbiological analyses, and subjected to sensory analysis to check acceptance and preference of potential consumers. The methodology of potassium alum used was efficient for E. lucunter roes and the color attribute was more relevant in the acceptance, preference and purchase intent from processed fresh roes. The extraction process might be improved in order to minimize rupture of the gonads. For managers of fisheries and sea food quality we recommend the implementation of public policies that result in the sustainability of sea-urchin species and food safety for the consumers.
Highlights
The rock-boring urchin (Echinometra lucunter) is a regular tropical echinoid characterized by the color of the test and spikes ranging from dark tones to black
The aims of this study were evaluate the process of fresh roes from rock-boring urchin sea for human consumption, check the acceptance and preference of the product, and consumer purchase intent
The results showed values similar to those found by Barea et al (2010) conducted in Spain on sea urchin Paracentrotus lividus, except for lipids and energy value (Table 1)
Summary
The rock-boring urchin (Echinometra lucunter) is a regular tropical echinoid characterized by the color of the test (or shell) and spikes ranging from dark tones to black. The species occur in substrates at very high densities along the Brazilian coast, usually in the intertidal zone up to 45 m deep, and adults can reach 150 mm in diameter (Santos & Flammang, 2005, Gondim, Lacouth, Alonso, & Manso, 2008). The portion of most marine species used for human consumption comprises the muscles or. Technology visceral mass, in the case of sea urchin, the portion of interest for consumption is located in the gonads. The gonads, called roes, have been consumed since ancient times, currently they are consumed both fresh and processed, and quality standards encompass size, color and texture. Roes of sea urchin have large demand and high prices in the international market and are considered marine fish
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