Comparative analysis of the predominant carotenoids and chemical components in the common and orange‐muscle mutant of<i>Haliotis gigantea</i>

Xiao-Hui, Wei; Zeng, Wencui; Tang, Bin; He, Jianlin; Chen, Nan; Luo, Xuan; Feng, Danqing; Wang, You; Ke, Caihuan

doi:10.1111/are.14248

Cited by 5 publications

(7 citation statements)

References 37 publications

(36 reference statements)

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“…The determination of carotenoid content was based on methodologies from previous literature [9]. Briefly, tissue specimens underwent vacuum freeze drying for 48 h and were then ground to a powder.…”

Section: Determination Of Carotenoid Content In the Feedmentioning

confidence: 99%

“…While the majority exhibit pale yellow foot muscles, a rare mutant variant with orange foot muscles exists, referred to as orange-footed H. gigantea. The carotenoid content in these orange-footed abalones reaches a remarkable 300-500 µg/dry g [9], making it the highest among shellfish to date. This is approximately 16.5 times more than their common-footed counterparts and over 100 times more than most other edible shellfish [10].…”

Section: Introductionmentioning

confidence: 98%

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Comparative Responses of Orange-Foot and Common-Foot Haliotis gigantea to Carotenoid-Enriched Diets: Survival, Heat Tolerance, and Bacterial Resistance

Ke,

Liu,

Zeng

et al. 2024

Animals

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Carotenoids, known to enhance survival, heat tolerance, and bacterial resistance, play an essential role in the nutrition of economically important aquatic animals. This study specifically examined their impact as feed additives on the abalone Haliotis gigantea. We prepared 13 compound feeds with varying levels of astaxanthin, zeaxanthin, and β-carotene, and administered them to both common-footed and orange-footed H. gigantea. The survival rate of H. gigantea was about 70–80%, with no significant differences in survival observed among the various carotenoid-supplemented feeding groups or when compared with the control group, nor between orange-footed and common-footed individuals. In heat attachment duration experiments, orange-foot abalones exhibited longer attachment durations with certain concentrations of astaxanthin and zeaxanthin, whereas common-foot abalones showed extended durations with astaxanthin, zeaxanthin, and β-carotene, indicating that common-foot abalones might benefit more from these carotenoids. Additionally, our results showed similar patterns and levels of Vibrio harveyi AP37 resistance in both orange-footed and common-footed H. gigantea, suggesting a uniform response to carotenoid supplementation in their bacterial defense mechanisms. This study suggests the potential benefits of carotenoid supplementation in H. gigantea and contributes to the theoretical basis for developing high-quality artificial compound feeds.

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Section: Determination Of Carotenoid Content In the Feedmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Comparative Responses of Orange-Foot and Common-Foot Haliotis gigantea to Carotenoid-Enriched Diets: Survival, Heat Tolerance, and Bacterial Resistance

Ke,

Liu,

Zeng

et al. 2024

Animals

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“…Previous studies have suggested that the color of the foot muscle in mollusks is predominantly due to the enrichment of carotenoids in tissues [1]. One intriguing finding is that the content of carotenoids in the foot muscle of orange-footed H. gigantea reaches up to 300-500 µg/dry g [2], reportedly the highest content among shellfish to date. This is about 16.5 times that of common-footed H. gigantea or over 100 times of most edible shellfish [3].…”

Section: Introductionmentioning

confidence: 95%

Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in Haliotis gigantea

Ke,

Zeng,

Gao

et al. 2023

Fishes

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Haliotis gigantea, a commercially cultivated abalone in China, predominantly displays the pale-yellow-footed trait. However, a limited occurrence of the orange-footed muscle trait makes it a valuable candidate for breeding programs. In our research, we examined the inheritance pattern of the orange-footed trait and conducted a 90-day feeding trial for H. gigantea to compare the influence of formulated feed and macroalgae on pigment enrichment and growth rates. Our results suggest that the orange-footed trait has a recessive nature relative to its common counterpart and demonstrates stable inheritance. We also identified a significant correlation between color-difference values (a*) and total carotenoid content (TCC) (R2 = 0.955, p < 0.05), suggesting the TCC in abalone foot muscle can be estimated using the a* value. Furthermore, introducing carotenoids to formulated feed imparts an orange hue to the foot muscle, but this effect is inferior compared to using Gracilariopsis lemaneiformis with a similar carotenoid content. This suggests that H. gigantea has a higher absorption efficiency for the carotenoids from the macroalgae G. lemaneiformis compared to formulated feed. Growth assessments indicate that the formulated feed, enriched with higher crude protein than G. lemaneiformis, optimally supports H. gigantea growth. Our findings furnish valuable insights that could steer breeding strategies and feeding practices towards achieving the orange-footed muscle trait in H. gigantea.

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“…Previous studies have demonstrated that abalones with orange muscles are not only bright in color but also rich in zeaxanthin and β -carotene. The amount of zeaxanthin and β-carotene in orange-muscle abalones (OA) was about 16.5 and 3.1 times than those of common abalones (CA) [19].…”

Section: Introductionmentioning

confidence: 99%

Carotenoid Accumulation in Common and Orange-Muscle Mutant of Abalone, Haliotis gigantea, Fed with Different Macroalgae

Xiao-Hui

Yang²,

Zeng

et al. 2022

Aquaculture Nutrition

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Aquatic animals cannot synthesize carotenoids, thus they must come from diet or from symbionts. Previous studies have found that orange-muscle abalones are rich in carotenoids, but the effects of different diets on the accumulation of carotenoids are unknown. In this study, the effects of macroalgae (Gracilaria lemaneiformis), fresh and dried kelp (Laminaria japonica) on the contents of the predominant carotenoids, including zeaxanthin, β-carotene, and fucoxanthin, between the common and orange-muscle mutant of Haliotis gigantea were compared through a one-year culture experiment. Our study confirmed that carotenoids in abalones mainly come from diets, and the carotenoid types in the muscles were similar to their diets. We also found that feeding on G.lemaneiformis played an important role in maintaining a stable carotenoid content over time, especially zeaxanthin in H.gigantea. Our data also provided that abalones had a good growth performance under the feeding conditions of G.lemaneiformis. Finally, compared with common abalones, orange-muscle abalones had a notably enhanced ability to accumulate carotenoids through their diet, especially zeaxanthin ( P < 0.01 ). However, the growth performance of orange-muscle abalones was lower than those of common abalones fed the same diets. These results inferred that the content of carotenoid in abalone may be controlled by genetic factors, and diet had a significant influence on the accumulation of carotenoid in abalone to some extent.

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Comparative analysis of the predominant carotenoids and chemical components in the common and orange‐muscle mutant ofHaliotis gigantea

Cited by 5 publications

References 37 publications

Comparative Responses of Orange-Foot and Common-Foot Haliotis gigantea to Carotenoid-Enriched Diets: Survival, Heat Tolerance, and Bacterial Resistance

Comparative Responses of Orange-Foot and Common-Foot Haliotis gigantea to Carotenoid-Enriched Diets: Survival, Heat Tolerance, and Bacterial Resistance

Investigating the Genetic and Dietary Factors Influencing Foot Muscle Color and Growth in Haliotis gigantea

Carotenoid Accumulation in Common and Orange-Muscle Mutant of Abalone, Haliotis gigantea, Fed with Different Macroalgae

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