title: Proximate, amino acid and lipid compositions in Sinonovacula constricta (Lamarck) reared at different salinities.
abstract: BACKGROUND
  Sinonovacula constricta is an economically and nutritionally important bivalve native to the estuaries and mudflats of China, Japan and Korea. In the present study, S. constricta, cultured either under experimental conditions or collected directly from natural coastal areas with different seawater salinities, was investigated for changes in proximates, amino acids and lipids.
  
  
  RESULTS
  When culture salinity was increased, levels of moisture, carbohydrate, crude protein and crude lipid were significantly decreased, whereas the level of ash was significantly increased. The level of Ala was increased by 1.5- to 2-fold, whereas the contents of most lipids were significantly decreased, and the proportion of phosphatidylethanolamine was significantly increased. Notably, a high proportion of ceramide aminoethylphosphonates was detected in S. constricta reared at all salinities. The energy content appears to be higher in S. constricta reared at higher salinity. In experimental S. constricta, when the salinity was enhanced, the changes of compositions were very close to those reared at constant high salinity.
  
  
  CONCLUSIONS
  Sinonovacula constricta reared at higher salinities possesses a superior quality. A short period of exposure to a higher salinity for farmed S. constricta reared at a lower salinity before harvest would be useful with respect to improving its nutritive value. © 2017 Society of Chemical Industry.
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.|Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, Zhejiang, China.
authors.forename: Zhaoshou
authors.initials: Z
authors.lastname: Ran
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.|Ningbo Entry-Exit Inspection and Quarantine Bureau Technology Center of the People's Republic of China, Ningbo, Zhejiang, China.
authors.forename: Shuang
authors.initials: S
authors.lastname: Li
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.
authors.forename: Runtao
authors.initials: R
authors.lastname: Zhang
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.
authors.forename: Jilin
authors.initials: J
authors.lastname: Xu
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.
authors.forename: Kai
authors.initials: K
authors.lastname: Liao
authors.affiliation: Ningbo Entry-Exit Inspection and Quarantine Bureau Technology Center of the People's Republic of China, Ningbo, Zhejiang, China.
authors.forename: Xuejun
authors.initials: X
authors.lastname: Yu
authors.affiliation: Ningbo Entry-Exit Inspection and Quarantine Bureau Technology Center of the People's Republic of China, Ningbo, Zhejiang, China.
authors.forename: Yingying
authors.initials: Y
authors.lastname: Zhong
authors.affiliation: Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, Zhejiang, China.
authors.forename: Mengwei
authors.initials: M
authors.lastname: Ye
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.
authors.forename: Shanshan
authors.initials: S
authors.lastname: Yu
authors.affiliation: Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education of China, Ningbo, Zhejiang, China.
authors.forename: Yun
authors.initials: Y
authors.lastname: Ran
authors.affiliation: Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, Zhejiang, China.
authors.forename: Wei
authors.initials: W
authors.lastname: Huang
authors.affiliation: Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, Zhejiang, China.
authors.forename: Xiaojun
authors.initials: X
authors.lastname: Yan
mesh_terms: D000596:Amino Acids / Q000737:chemistry*; D000818:Animals; D049872:Bivalvia / Q000737:chemistry* / Q000254:growth & development; D008055:Lipids / Q000737:chemistry*; D054712:Salinity; D012623:Seawater / Q000737:chemistry; D012758:Shellfish / Q000032:analysis*
chemical_list: D000596:Amino Acids; D008055:Lipids
keywords: Sinonovacula constricta; amino acids; lipids; proximates; salinities