Determination of grapefruit ( Citrus paradisi ) peel extract bio‐active substances and its application in Caspian white fish ( Rutilus frisii kutum ) diet: Growth, haemato‐biochemical parameters and intestinal morphology

Z. Samavat; M. Shamsaie Mehrgan; S. Jamili; M. Soltani; S.P. Hosseini Shekarabi

doi:10.1111/are.14204

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Determination of grapefruit ( Citrus paradisi ) peel extract bio‐active substances and its application in Caspian white fish ( Rutilus frisii kutum ) diet: Growth, haemato‐biochemical parameters and intestinal morphology

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Determination of grapefruit ( Citrus paradisi ) peel extract bio‐active substances and its application in Caspian white fish ( Rutilus frisii kutum ) diet: Growth, haemato‐biochemical parameters and intestinal morphology

Z. Samavat, M. Shamsaie Mehrgan, S. Jamili, M. Soltani and S.P. Hosseini Shekarabi

Aquaculture Research, Vol.50(9), pp.2496-2504

2019

DOI: https://doi.org/10.1111/are.14204

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Abstract

In this study, total phenolic and flavonoid contents of grapefruit peel extract (GPE) were equal to 117.3 ± 0.3 µg of gallic acid/mg and 39.30 ± 0.1 µg of quercetin/mg respectively. Caspian white fish (n = 180, 4 ± 0.9 g body weight) was fed with supplemented diets, including 0, 6.25, 12.5 and 25 mg of GPE/kg for 60 days at 25 ± 1°C. The growth performance was markedly improved in fish fed with 25 mg/kg of GPE compared to others (p < 0.05). Moreover, fish fed with 25 mg/kg of GPE showed a significant increase in red blood cell (2.65·106 cell/mm3), white blood cell (17.75·103 cell/mm3), packed cell volume (48%) and haemoglobin concentrations (8.75 g/dl) compared to the control (p < 0.05). However, the highest alanine aminotransferase (140 U/L), alanine transaminase (14.5 U/L), and alkaline phosphatase (18.5 U/L) were observed in control group. Morphological analysis of intestine revealed the highest amount of villus width (8.4 µM), height (32.86 µM) and surface area (342.7 µM2) in fish fed with 25 mg/kg of GPE (p < 0.05). In conclusion, supplementing feed with GPE at 25 g/kg can improve growth performance and haemato‐biochemical parameters of Caspian white fish fry.

Details

Title: Determination of grapefruit ( Citrus paradisi ) peel extract bio‐active substances and its application in Caspian white fish ( Rutilus frisii kutum ) diet: Growth, haemato‐biochemical parameters and intestinal morphology
Authors/Creators: Z. Samavat (Author/Creator) - Islamic Azad University, Science and Research Branch
M. Shamsaie Mehrgan (Author/Creator)
S. Jamili (Author/Creator) - Agricultural Research & Education Organization
M. Soltani (Author/Creator) - University of Tehran
S.P. Hosseini Shekarabi (Author/Creator)
Publication Details: Aquaculture Research, Vol.50(9), pp.2496-2504
Publisher: Blackwell Publishing Inc
Identifiers: 991005541114407891
Murdoch Affiliation: Centre for Sustainable Aquatic Ecosystems; Freshwater Fish Group and Fish Health Unit; Harry Butler Institute
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.2 Marine Biology; 3.2.116 Aquaculture Nutrition
Web Of Science research areas: Fisheries
ESI research areas: Plant & Animal Science