Pulses

Hertrampf, Joachim W.; Piedad-Pascual, Felicitas

doi:10.1007/978-94-011-4018-8_36

Cited by 8 publications

(9 citation statements)

References 7 publications

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“…Firstly, the carotenoid pigment may control aquatic animals’ metabolisms via increased digestive enzyme activity, which in turn promoted nutritional digestion, absorption, and utilization, leading to increased feed intake (Baron et al 2008 ; Zhang et al 2013 ). Secondly, the carotenoid pigment may also shorten the time between molt cycles in crustaceans and regulate the NADPH metabolism, both of which reduce energy consumption and improve growth performance (Hertrampf and Piedad-Pascual 2003 ; Mao et al 2017 ). The last hypothesis is the ability of astaxanthin to enhance intestinal flora to break down indigestible components to extract more nutrients (Vasudevan et al 2006 ).…”

Section: Benefits Of Astaxanthin On Growth and Stress Tolerancementioning

confidence: 99%

Recent progress in practical applications of a potential carotenoid astaxanthin in aquaculture industry: a review

Elbahnaswy

Elshopakey

2023

Fish Physiol Biochem

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Astaxanthin is the main natural C40 carotenoid used worldwide in the aquaculture industry. It normally occurs in red yeast Phaffia rhodozyma and green alga Haematococcus pluvialis and a variety of aquatic sea creatures, such as trout, salmon, and shrimp. Numerous biological functions reported its antioxidant and anti-inflammatory activities since astaxanthin possesses the highest oxygen radical absorbance capacity (ORAC) and is considered to be over 500 more times effective than vitamin E and other carotenoids such as lutein and lycopene. Thus, synthetic and natural sources of astaxanthin have a commanding influence on industry trends, causing a wave in the world nutraceutical market of the encapsulated product. In vitro and in vivo studies have associated astaxanthin’s unique molecular features with various health benefits, including immunomodulatory, photoprotective, and antioxidant properties, providing its chemotherapeutic potential for improving stress tolerance, disease resistance, growth performance, survival, and improved egg quality in farmed fish and crustaceans without exhibiting any cytotoxic effects. Moreover, the most evident effect is the pigmentation merit, where astaxanthin is supplemented in formulated diets to ameliorate the variegation of aquatic species and eventually product quality. Hence, carotenoid astaxanthin could be used as a curative supplement for farmed fish, since it is regarded as an ecologically friendly functional feed additive in the aquaculture industry. In this review, the currently available scientific literature regarding the most significant benefits of astaxanthin is discussed, with a particular focus on potential mechanisms of action responsible for its biological activities.

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Section: Benefits Of Astaxanthin On Growth and Stress Tolerancementioning

confidence: 99%

Recent progress in practical applications of a potential carotenoid astaxanthin in aquaculture industry: a review

Elbahnaswy

Elshopakey

2023

Fish Physiol Biochem

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“…From a macroscopic standpoint, nutrient content could reflect fish quality [19]. Since Ca and P account for approximately 80-90% of the total minerals in fish, ash is primarily composed of inorganic elements such as potassium (K), phosphorus (P), sodium (Na), and calcium (Ca) [20]. In the current study, the ash content of triploid crucian carp carcass increased with the increasing dietary protein levels with a significant positive correlation (r = 0.896, p < 0.05).…”

Section: Discussionmentioning

confidence: 99%

Intervention of Dietary Protein Levels on Muscle Quality, Antioxidation, and Autophagy in the Muscles of Triploid Crucian Carp (Carassius carassius Triploid)

Cai

Yang

et al. 2023

IJMS

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The aim of this study is to investigate the effect of dietary protein levels on flesh quality, oxidative stress, and autophagy status in the muscles of triploid crucian carp (Carassius carassius triploid), and the related molecular mechanisms. Six experimental diets with different protein levels (26%, 29%, 32%, 35%, 38%, 41%) were formulated. A total of 540 fish with an initial weight of 11.79 ± 0.09 g were randomly assigned to 18 cages and six treatments with three replicates of 30 fish each for 8 weeks feeding. It could be found that the whole-body ash content significantly increased in high protein level groups (p < 0.05). The 29% dietary protein level group exhibited the highest muscle moisture, although there was an inconspicuous decrease in the chewiness of the muscles when compared with the other groups. The dietary protein level influenced the content of free amino acids and nucleotides, especially the content of flavor amino acids, which exhibited an increasing tendency along with the increasing protein level, such as alanine and glutamic acid, while the flavor nucleotides showed different fluctuation trends. Moreover, the genes related to muscle development were shown to be influenced by the dietary protein level, especially the expression of MRF4, which was up-regulated with the increasing dietary protein levels. The 29% dietary protein level promoted the majority of analyzed muscle genes expression to the highest level when compared to other dietary levels, except the Myostain, whose expression reached its highest at 38% dietary protein levels. Furthermore, the effect of dietary protein levels on antioxidant signaling pathway genes were also examined. High protein levels would boost the expression of GSTα; GPX1 and GPX4α mRNA expression showed the highest level at the 32% dietary protein group. The increasing dietary protein level decreased both mRNA and protein expressions of Nrf2 by up-regulating Keap1. Autophagy-related gene expression levels reached the peak at 32% dietary protein level, as evidenced by a similar change in protein expression of FoxO1. In summary, muscle nutritional composition, antioxidative pathways, and autophagy levels were affected by the dietary protein levels. A total of 29–32% dietary protein level would be the appropriate level range to improve muscle quality and promote the antioxidant and autophagy capacity of triploid crucian carp muscles.

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“…Water hyacinth, Azolla and duckweed have been recommended as dietary supplements for herbivorous and omnivorous freshwater fish [271,304,305]. However, when the fiber content is above the permissible limit, the corresponding macrophyte will not be recommended [306].…”

Section: Fishmentioning

confidence: 99%

Floating Aquatic Macrophytes in Wastewater Treatment: Toward a Circular Economy

Sayanthan,

Hasan,

Abdullah

2024

Water

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Floating aquatic macrophytes have a high level of proficiency in the removal of various contaminants, particularly nutrients, from wastewater. Due to their rapid growth rates, it is imperative to ensure the safe removal of the final biomass from the system. The ultimate macrophyte biomass is composed of lignocellulose and has enhanced nutritional and energy properties. Consequently, it can serve as a viable source material for applications such as the production of bioenergy, fertilizer and animal feed. However, its use remains limited, and in-depth studies are scarce. Here, we provide a comprehensive analysis of floating aquatic macrophytes and their efficacy in the elimination of heavy metals, nutrients and organic pollutants from various types of wastewater. This study offers a wide-ranging scrutiny of the potential use of plant biomasses as feedstock for bioenergy generation, focusing on both biochemical and thermochemical conversion processes. In addition, we provide information regarding the conversion of biomass into animal feed, focusing on ruminants, fish and poultry, the manufacture of fertilizers and the use of treated water. Overall, we offer a clear idea of the technoeconomic benefits of using macrophytes for the treatment of wastewater and the challenges that need to be rectified to make this cradle-to-cradle concept more efficient.

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Pulses

Cited by 8 publications

References 7 publications

Recent progress in practical applications of a potential carotenoid astaxanthin in aquaculture industry: a review

Recent progress in practical applications of a potential carotenoid astaxanthin in aquaculture industry: a review

Intervention of Dietary Protein Levels on Muscle Quality, Antioxidation, and Autophagy in the Muscles of Triploid Crucian Carp (Carassius carassius Triploid)

Floating Aquatic Macrophytes in Wastewater Treatment: Toward a Circular Economy

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