Combined effects of jujube, Chinese yam and astragalus on digestion, immunity and intestinal microflora of rainbow trout

Zhang, Ying; Liu, Fei; Wang, Fan

doi:10.1111/are.15959

Cited by 7 publications

(1 citation statement)

References 56 publications

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“…Its components can be metabolized out of the body by the biological body, and there is no drug residue in the biological body. And existing studies have shown that Chinese herbal medicine has the functions of promoting the growth of the body [ 7 ], improving the antioxidant capacity of the body [ 8 ], increasing the body's immunity [ 9 ], and reducing liver fat deposition and diseases [ 10 ]. Therefore, it is of great significance to explore Chinese herbal medicine to improve the normal physiological function of the liver and promote the development of the aquaculture industry.…”

Section: Introductionmentioning

confidence: 99%

Effects of Mulberry Leaf Extract on the Liver Function of Juvenile Spotted Sea Bass (Lateolabrax maculatus)

Zhou,

Lin,

Kong

et al. 2023

Aquaculture Nutrition

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In order to explore the effect of mulberry leaf extract (ELM) on the liver function of spotted sea bass, 360 fish with healthy constitution (average body weight 9.00 ± 0.02 g) were selected and randomly divided into six groups with three repetitions, and six groups of fish were randomly placed into 18 test tanks (200 L) with 20 fish per tank for the 52-day feeding test. Every day, the fish were fed the experimental feed with different concentrations (0, 3, 6, 9, 12, 15 g/kg) to the level of apparent satiation, with a crude protein content of 48.0% and a crude fat content of 8.6%. And the water temperature was maintained at 25–28°C with a salinity of 0.5%–1‰. After feeding, five fish were randomly selected to collect their livers and serum for detection of indicators. The results showed that, compared with the control group, ELM significantly increased the activities of lipase (LPS) and trypsin (TRS) in the liver, and reached the highest level when the amount of ELM added was 6 g/kg P < 0.05 . ELM significantly increased the activities of lactate dehydrogenase (LDH) and glutamic-oxaloacetic transaminase (GOT) involved in the metabolic process in liver tissue, and GOT activity reached the highest when ELM was added at 9 g/kg, and LDH activity reached the highest when ELM was added at 15 g/kg P < 0.05 . ELM had no significant effect on liver antioxidant enzymes P > 0.05 , but the content of malondialdehyde was significantly reduced P < 0.05 . Compared with the control group, ELM significantly increased the activities of AKP and ACP in the liver, and the AKP activity reached the highest when the ELM addition amount was 3 g/kg, and the ACP activity reached the highest when the ELM addition amount was 9 g/kg P < 0.05 . Through comparative transcriptomic analysis, it was indicated that ELM enhanced the hepatic lipids and carbohydrates metabolism ability, as manifested in the upregulation of expression of phosphatidate phosphatase, glucuronosyltransferase, inositol oxygenase, carbonic anhydrase, and cytochrome c oxidase subunit 2. ELM can also increase the expression of signal transducer and activator of transcription 1, ATP-dependent RNA helicase and C-X-C motif chemokine 9 involved in the immune process. The above results show that the ELM can enhance the digestion, metabolism, and immunity of the liver by increasing the activity of digestive enzymes, metabolic enzymes, and the expression of metabolism and immune regulation genes. This study provides a theoretical basis for the application of ELM in the cultivation of spotted sea bass by exploring the effect of ELM on the liver function of spotted sea bass.

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Section: Introductionmentioning

confidence: 99%

Effects of Mulberry Leaf Extract on the Liver Function of Juvenile Spotted Sea Bass (Lateolabrax maculatus)

Zhou,

Lin,

Kong

et al. 2023

Aquaculture Nutrition

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Medicinal Plant Survey: ‘Good for Humans, Good for Fishes!’

Steinberg

2024

Aquatic Animal Nutrition

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Dietary Cyanus depressus (M. Bieb.) Soják plant extract enhances growth performance, modulates intestinal microbiota, and alters gene expression associated with digestion, antioxidant, stress, and immune responses in rainbow trout (Oncorhynchus mykiss)

Karataş

2024

Aquacult Int

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This study aimed to assess the effects of dietary Cyanus depressus (CD) extract on rainbow trout (Oncorhynchus mykiss) physiology and health. Fish with an average weight of 3.29 ± 0.34 g were allocated to four feeding groups, receiving diets containing CD extract at doses of 0 (Control), 0.5 (CD05), 1 (CD1), and 2 (CD2) g kg−1 for a period of 60 days. Results revealed significant improvements in final body weight, weight gain, and specific growth rate in groups supplemented with 1 and 2 g/kg of CD extract. Lipase activity increased notably in fish fed with CD0.5, CD1, and CD2 diets. The CD1 group exhibited the highest trypsin activity, while the groups receiving 1 g/kg and 2 g/kg of CD extract displayed the highest amylase activity. Analysis of gene expression levels for superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) showed marked increases across all groups compared to the control, with the most significant enhancement observed in fish fed with 2 g/kg of CD extract. Significant variations were observed in the expression of immunity-related genes among the treatments, with the highest expression levels of tumor necrosis factor-alpha (TNF-α) and interleukin-1 beta (IL-1β) found in groups fed a diet enriched with CD extract. The increased activity of immune-related genes was more prominent in fish fed 2 g/kg of CD extract than in the control group. Notably, in fish fed with CD extract, heat shock protein 70 (HSP70) gene expression increased in the CD2 group, decreased in the CD05 group, and remained statistically unchanged in the CD1 group compared to the control. Additionally, supplementation with CD extract altered the composition and abundance of the intestinal microbiota in rainbow trout. In conclusion, our study suggests that Cyanusdepressus extract has significant potential for enhancing various physiological and health aspects of rainbow trout, particularly when supplemented at 2 g/kg.

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Combined effects of jujube, Chinese yam and astragalus on digestion, immunity and intestinal microflora of rainbow trout

Cited by 7 publications

References 56 publications

Effects of Mulberry Leaf Extract on the Liver Function of Juvenile Spotted Sea Bass (Lateolabrax maculatus)

Effects of Mulberry Leaf Extract on the Liver Function of Juvenile Spotted Sea Bass (Lateolabrax maculatus)

Medicinal Plant Survey: ‘Good for Humans, Good for Fishes!’

Dietary Cyanus depressus (M. Bieb.) Soják plant extract enhances growth performance, modulates intestinal microbiota, and alters gene expression associated with digestion, antioxidant, stress, and immune responses in rainbow trout (Oncorhynchus mykiss)

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