Banana peel provides a new insight into improving gonad flavor in the sea urchin Strongylocentrotus intermedius
2014
Luo, Shibin | Zhao, Chong | Chzhan, I︠A︡t︠s︡in | Feng, Wenping | Tian, Xiaofei
To our knowledge, little information is available on approaches to improving gonad flavor of sea urchins. Although sea urchins fed high content of glutamate and glycine perceived sweeter gonads than those fed high content of valine and methionine (Phillips et al. in Aquaculture 288:205–215, 2009), the problem of improving gonad quality has not been completely solved. Because of the high cost of glutamate and glycine, it is hard to move this finding from the laboratory to gonad production. In the present study, we found that gonad flavor of Strongylocentrotus intermedius fed banana peel was significantly better than that of individuals fed kelp or pumpkin (P < 0.001). However, banana peel did not significantly support gonad yield of sea urchins compared with kelp (P < 0.05). This novel finding provides a new insight into the gonad quality improvement in sea urchins. Further studies should be carried out to test our two suggested methods of banana peel application in sea urchin aquaculture.
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