Comprehensive quality evaluation and principal component analysis of <italic style="font-style: italic">Crassostrea</italic> <italic style="font-style: italic">gigas</italic> from North Yellow Sea, China: characterizing nutritional, flavor, and functional profiles

Shanqin HUO; Jixing PENG; Xinnan ZHAO; Yichen LIN; Xudong LI; Zhijun TAN

doi:10.1007/s00343-025-4301-3

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Comprehensive quality evaluation and principal component analysis of Crassostrea gigas from North Yellow Sea, China: characterizing nutritional, flavor, and functional profiles

Aquaculture and Fisheries | Updated：2026-03-26

- Comprehensive quality evaluation and principal component analysis of Crassostrea gigas from North Yellow Sea, China: characterizing nutritional, flavor, and functional profiles
- Journal of Oceanology and Limnology Vol. 44, Issue 1, Pages: 406-418(2026)
- Affiliations：
  
  1.College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
  2.Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Author bio：
  
  pengjx@ysfri.ac.cn
- Funds：
- DOI：10.1007/s00343-025-4301-3
  CLC：
- Received：13 November 2024，
  
  Accepted：31 December 2024，
  
  Online First：17 April 2025，
  
  Published：01 January 2026
- Accepted：
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HUO Shanqin,PENG Jixing,ZHAO Xinnan,et al.Comprehensive quality evaluation and principal component analysis of Crassostrea gigas from North Yellow Sea, China: characterizing nutritional, flavor, and functional profiles[J].Journal of Oceanology and Limnology,2026,44(01):406-418.
DOI：

HUO Shanqin,PENG Jixing,ZHAO Xinnan,et al.Comprehensive quality evaluation and principal component analysis of Crassostrea gigas from North Yellow Sea, China: characterizing nutritional, flavor, and functional profiles[J].Journal of Oceanology and Limnology,2026,44(01):406-418. DOI： 10.1007/s00343-025-4301-3.

摘要

Abstract

Crassostrea

gigas

has good taste and high nutritional value; however

there are few assessments of comprehensive and panoramic analyses of the nutritional quality of the northern oyster. To study the nutritional characteristics of

gigas

from different sources (ploidy

region

size

and culture mode)

gigas

from various ploidy (diploid and triploid)

regions (Rushan

Off-site fattening

and Rongcheng)

sizes (small

medium

and large) and culture modes (nearshore and offshore) were selected for comparative analyses. The nutritional components (moisture

protein

fat

and mineral)

flavor substances (taste amino acids

nucleotides

and succinic acid)

and functional indices (eicosapentaenoic acid (EPA)

docosahexaenoic acid (DHA)

and taurine) of

gigas

were determined. Principal component analysis (PCA) was used to comprehensively evaluate the oysters and investigate the variations in nutritional quality. The PCA results indicate that protein

essential fatty acids

selenium

zinc

taste amino acids

taurine

EPA

and DHA were core components contributing to 82.25% of the cumulative variance

providing a more comprehensive reflection of the nutrient composition of

gigas

. The extensive quality rankings for the

gigas

were as follows: diploid

triploid

Rushan

fattening

Rongcheng

medium

large

small

and offshore

nearshore. The score rank revealed that diploid oysters of medium-size from Rushan demonstrated superior nutritional quality compared to other tested samples. This is the first comprehensive and systematic investigation of

gigas

in northern China to reveal the feature of nutrients

flavor

and functional components. The study provided data support for the culture

consumption

processing

research

and nutritional quality improvement of oyster industry.

关键词

Keywords

references

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Comprehensive quality evaluation and principal component analysis of Crassostrea gigas from North Yellow Sea, China: characterizing nutritional, flavor, and functional profiles

DOI：10.1007/s00343-025-4301-3

摘要

Abstract

关键词

Keywords

references