Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)

The quality of crustacean aquatic products is affected by feed. Cholesterol (CHO), an essential element for crustacean growth, has been widely supplemented in diet, but its food quality regulation remains unclear. The study aimed to investigate the effects of different dietary CHO levels (0.12%, 1.0...

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Main Authors: Tingting Zhu, Min Jin, Hongyu Peng, Wenli Zhao, Yuedong Shen, Shichao Xie, Qicun Zhou
Format: Article
Language:English
Published: Wiley 2024-01-01
Series:Aquaculture Nutrition
Online Access:http://dx.doi.org/10.1155/2024/7067588
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author Tingting Zhu
Min Jin
Hongyu Peng
Wenli Zhao
Yuedong Shen
Shichao Xie
Qicun Zhou
author_facet Tingting Zhu
Min Jin
Hongyu Peng
Wenli Zhao
Yuedong Shen
Shichao Xie
Qicun Zhou
author_sort Tingting Zhu
collection DOAJ
description The quality of crustacean aquatic products is affected by feed. Cholesterol (CHO), an essential element for crustacean growth, has been widely supplemented in diet, but its food quality regulation remains unclear. The study aimed to investigate the effects of different dietary CHO levels (0.12%, 1.00%, and 2.50%) on the nutritional value and flavor quality in the edible parts of female swimming crabs (Portunus trituberculatus). Results showed that dietary CHO levels significantly increased lipid content in the hepatopancreas and promoted the accumulation of n-3 long-chain polyunsaturated fatty acids (LC-PUFA) in the hepatopancreas and muscle by activating the gene expression related to biosynthesis pathways. However, with dietary CHO levels increased, protein content in muscle decreased significantly. This may be related to dietary CHO supplementation (especially 2.50% CHO level) suppressed amino acid accumulation in the hepatopancreas and muscle by downregulating the target of the rapamycin pathway and upregulating amino acid catabolism-related genes. Moreover, 1.00% CHO treatment had higher relative levels of volatiles, producing grassy, fruity, and fatty odors in muscle, which may be due to the upregulation of the branched-chain amino acid transaminase (bcat) expression level. Dietary CHO weakened nucleotide and free amino acid accumulation in hepatopancreas and muscle. Overall, this study suggests that dietary 1.00% CHO level had higher LC-PUFA and pleasing flavor substances in muscle but was not conducive to hepatopancreatic protein and flavor nucleotide deposition of swimming crab.
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issn 1365-2095
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publishDate 2024-01-01
publisher Wiley
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series Aquaculture Nutrition
spelling doaj-art-201ea93f8aa94142b44d5b57e06c9fea2025-08-20T02:04:45ZengWileyAquaculture Nutrition1365-20952024-01-01202410.1155/2024/7067588Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)Tingting Zhu0Min Jin1Hongyu Peng2Wenli Zhao3Yuedong Shen4Shichao Xie5Qicun Zhou6Laboratory of Fish and Shellfish NutritionLaboratory of Fish and Shellfish NutritionLaboratory of Fish and Shellfish NutritionLaboratory of Fish and Shellfish NutritionLaboratory of Fish and Shellfish NutritionLaboratory of Fish and Shellfish NutritionLaboratory of Fish and Shellfish NutritionThe quality of crustacean aquatic products is affected by feed. Cholesterol (CHO), an essential element for crustacean growth, has been widely supplemented in diet, but its food quality regulation remains unclear. The study aimed to investigate the effects of different dietary CHO levels (0.12%, 1.00%, and 2.50%) on the nutritional value and flavor quality in the edible parts of female swimming crabs (Portunus trituberculatus). Results showed that dietary CHO levels significantly increased lipid content in the hepatopancreas and promoted the accumulation of n-3 long-chain polyunsaturated fatty acids (LC-PUFA) in the hepatopancreas and muscle by activating the gene expression related to biosynthesis pathways. However, with dietary CHO levels increased, protein content in muscle decreased significantly. This may be related to dietary CHO supplementation (especially 2.50% CHO level) suppressed amino acid accumulation in the hepatopancreas and muscle by downregulating the target of the rapamycin pathway and upregulating amino acid catabolism-related genes. Moreover, 1.00% CHO treatment had higher relative levels of volatiles, producing grassy, fruity, and fatty odors in muscle, which may be due to the upregulation of the branched-chain amino acid transaminase (bcat) expression level. Dietary CHO weakened nucleotide and free amino acid accumulation in hepatopancreas and muscle. Overall, this study suggests that dietary 1.00% CHO level had higher LC-PUFA and pleasing flavor substances in muscle but was not conducive to hepatopancreatic protein and flavor nucleotide deposition of swimming crab.http://dx.doi.org/10.1155/2024/7067588
spellingShingle Tingting Zhu
Min Jin
Hongyu Peng
Wenli Zhao
Yuedong Shen
Shichao Xie
Qicun Zhou
Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)
Aquaculture Nutrition
title Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)
title_full Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)
title_fullStr Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)
title_full_unstemmed Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)
title_short Cholesterol Modifies Nutritional Values and Flavor Qualities in Female Swimming Crab (Portunus trituberculatus)
title_sort cholesterol modifies nutritional values and flavor qualities in female swimming crab portunus trituberculatus
url http://dx.doi.org/10.1155/2024/7067588
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