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Geurts KAM, Meijer S, Roeters van Lennep JE, Wang X, Özcan B, Voortman G, Liu H, Castro Cabezas M, Berk KA, Mulder MT. The Effect of Sargassum fusiforme and Fucus vesiculosus on Continuous Glucose Levels in Overweight Patients with Type 2 Diabetes Mellitus: A Feasibility Randomized, Double-Blind, Placebo-Controlled Trial. Nutrients 2024; 16:1837. [PMID: 38931192 DOI: 10.3390/nu16121837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Brown seaweed is promising for the treatment of type 2 diabetes mellitus (T2DM). Its bioactive constituents can positively affect plasma glucose homeostasis in healthy humans. We investigated the effect of the brown seaweeds Sargassum (S.) fusiforme and Fucus (F.) vesiculosus in their natural form on glucose regulation in patients with T2DM. METHODS We conducted a randomized, double-blind, placebo-controlled pilot trial. Thirty-six participants with T2DM received, on a daily basis, either 5 g of dried S. fusiforme, 5 g of dried F. vesiculosus, or 0.5 g of dried Porphyra (control) for 5 weeks, alongside regular treatment. The primary outcome was the between-group difference in the change in weekly average blood glucose levels (continuous glucose monitoring). The secondary outcomes were the changes in anthropometrics, plasma lipid levels, and dietary intake. The data were analyzed using a linear mixed-effects model. RESULTS The change in weekly average glucose levels was 8.2 ± 2.1 to 9.0 ± 0.7 mmol/L (p = 0.2) in the S. fusiforme group (n = 12) and 10.1 ± 3.3 to 9.2 ± 0.7 mmol/L (p = 0.9) in the F. vesiculosus group (n = 10). The between-group difference was non-significant. Similarly, no between-group differences were observed for the changes in the secondary outcomes. DISCUSSION A daily intake of 5 g of fresh, dried S. fusiforme or F. vesiculosus alongside regular treatment had no differential effect on weekly average blood glucose levels in T2DM.
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Affiliation(s)
- Karlijn A M Geurts
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Sjoerd Meijer
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Jeanine E Roeters van Lennep
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Xi Wang
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Behiye Özcan
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Gardi Voortman
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Hongbing Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266100, China
| | - Manuel Castro Cabezas
- Department of Internal Medicine, Franciscus Gasthuis & Vlietland, Schiedamse Vest 180, 3011 BH Rotterdam, The Netherlands
| | - Kirsten A Berk
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Monique T Mulder
- Department of Internal Medicine, Erasmus University Medical Center, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
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Li Y, Song H, Zhang Z, Li R, Zhang Y, Yang L, Li J, Zhu D, Liu J, Yu H, Liu H. Effects of fermentation with different probiotics on the quality, isoflavone content, and flavor of okara beverages. Food Sci Nutr 2024; 12:2619-2633. [PMID: 38628216 PMCID: PMC11016408 DOI: 10.1002/fsn3.3944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/11/2023] [Accepted: 12/24/2023] [Indexed: 04/19/2024] Open
Abstract
The present study aimed to prepare and evaluate a new probiotic functional beverage, using single-probiotic and compound probiotic fermentation on okara. Four different forms of fermentation microorganisms used were Lacticaseibacillus rhamnosus S24 (Lr), Lacticaseibacillus paracasei 6244 (Lp), Lactobacillus acidophilus 11,073 (La), and mixed fermentation (Lr + Lp + La). The physicochemical properties, antioxidant activity, flavor change, and storage period of fermented okara beverages with probiotics were investigated. The results showed that different fermentation schemes could significantly improve the physicochemical properties, antioxidant activity, and sensory quality of the okara beverages. The number of viable bacteria in the Lp group (3.53 × 108 CFU/mL), isoflavone content (0.514 μg/mL) were the highest; total phenol and flavonoid content were 3.32 and 5.68 times higher than in the CK group, respectively. DPPH and ABTS+ free radical scavenging rates were increased by 11.32% and 20%, respectively (p < .05). Through SPME/GC-MS analysis, 44 volatile compounds were identified in the Lr + Lp + La groups, mainly as a result of changes in alcohols and aldehydes produced by fermentation metabolism. It enhances the floral and fruity aroma of the okara beverage. All probiotic-fermented okara beverages can be stored at 4°C for 15 days, with probiotic activity greater than 107 CFU/mL. This study can obtain a probiotic okara beverage rich in soybean isoflavones and with good flavor. Overall, okara can be used to develop functional beverages containing probiotics and contribute to a zero-waste approach in the food industry.
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Affiliation(s)
- Yixue Li
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Hong Song
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Zunqin Zhang
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Ran Li
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Ying Zhang
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Lina Yang
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Jun Li
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Danshi Zhu
- College of Food Science and TechnologyBohai UniversityJinzhouChina
| | - Jun Liu
- Shandong Yuwang Ecogical Food Industry Co., Ltd.YuchengChina
| | - Hansong Yu
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - He Liu
- College of Food Science and TechnologyBohai UniversityJinzhouChina
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Chumsook K, Praiboon J, Fu X. Sulfated Galactans from Agarophytes: Review of Extraction Methods, Structural Features, and Biological Activities. Biomolecules 2023; 13:1745. [PMID: 38136616 PMCID: PMC10741836 DOI: 10.3390/biom13121745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/19/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Agarophytes are important seaweeds of the Rhodophyta type, which have been highly exploited for industrial use as sources of a widely consumed polysaccharide of agar. In addition to that, sulfated galactans (SGs) from agarophytes, which consist of various functional sulfate groups, have attracted the attention of scientists in current studies. SGs possess various biological activities, such as anti-tumor, anticoagulant, anti-inflammatory, antioxidant, anti-obesity, anti-diabetic, anti-microbial, anti-diarrhea, and gut microbiota regulation properties. Meanwhile, the taxonomy, ecological factors, i.e., environmental factors, and harvest period, as well as preparation methods, i.e., the pretreatment, extraction, and purification conditions, have been found to influence the chemical compositions and fine structures of SGs, which have, further, been shown to have an impact on their biological activities. However, the gaps in the knowledge of the properties of SGs due to the above complex factors have hindered their industrial application. The aim of this paper is to collect and systematically review the scientific evidence about SGs and, thus, to pave the way for broader and otherwise valuable industrial applications of agarophytes for human enterprise. In the future, this harvested biomass could be sustainably used not only as a source of agar production but also as natural materials in functional food and pharmaceutical industries.
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Affiliation(s)
- Khosook Chumsook
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China;
- Department of Fishery Science and Technology (International) Program, Kasetsart University, Bangkok 10900, Thailand
| | - Jantana Praiboon
- Department of Fishery Biology, Kasetsart University, Bangkok 10900, Thailand;
| | - Xiaoting Fu
- State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China;
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Lee ZJ, Xie C, Ng K, Suleria HAR. Unraveling the bioactive interplay: seaweed polysaccharide, polyphenol and their gut modulation effect. Crit Rev Food Sci Nutr 2023:1-24. [PMID: 37991467 DOI: 10.1080/10408398.2023.2274453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Seaweed is rich in many unique bioactive compounds such as polyphenols and sulfated polysaccharides that are not found in terrestrial plant. The discovery of numerous biological activities from seaweed has made seaweed an attractive functional food source with the potential to be exploited for human health benefits. During food processing and digestion, cell wall polysaccharide and polyphenols commonly interact, and this may influence the nutritional properties of food. Interactions between cell wall polysaccharide and polyphenols in plant-based system has been extensively studied. However, similar interactions in seaweed have received little attention despite the vast disparity between the structural and chemical composition of plant and seaweed cell wall. This poses a challenge in extracting seaweed bioactive compounds with intact biological properties. This review aims to summarize the cell wall polysaccharide and polyphenols present in brown, red and green seaweed, and current knowledge on their potential interactions. Moreover, this review gives an overview of the gut modulation effect of seaweed polysaccharide and polyphenol.
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Affiliation(s)
- Zu Jia Lee
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Australia
| | - Cundong Xie
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Australia
| | - Ken Ng
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Australia
| | - Hafiz A R Suleria
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, Australia
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Chellappan DK, Chellian J, Rahmah NSN, Gan WJ, Banerjee P, Sanyal S, Banerjee P, Ghosh N, Guith T, Das A, Gupta G, Singh SK, Dua K, Kunnath AP, Norhashim NA, Ong KH, Palaniveloo K. Hypoglycaemic Molecules for the Management of Diabetes Mellitus from Marine Sources. Diabetes Metab Syndr Obes 2023; 16:2187-2223. [PMID: 37521747 PMCID: PMC10386840 DOI: 10.2147/dmso.s390741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 07/12/2023] [Indexed: 08/01/2023] Open
Abstract
Diabetes mellitus (DM) is a chronic metabolic disorder recognized as a major health problem globally. A defective insulin activity contributes to the prevalence and expansion of DM. Treatment of DM is often hampered by limited options of conventional therapies and adverse effects associated with existing procedures. This has led to a spike in the exploration for potential therapeutic agents from various natural resources for clinical applications. The marine environment is a huge store of unexplored diversity of chemicals produced by a multitude of organisms. To date, marine microorganisms, microalgae, macroalgae, corals, sponges, and fishes have been evaluated for their anti-diabetic properties. The structural diversity of bioactive metabolites discovered has shown promising hypoglycaemic potential through in vitro and in vivo screenings via various mechanisms of action, such as PTP1B, α-glucosidase, α-amylase, β-glucosidase, and aldose reductase inhibition as well as PPAR alpha/gamma dual agonists activities. On the other hand, hypoglycaemic effect is also shown to be exerted through the balance of antioxidants and free radicals. This review highlights marine-derived chemicals with hypoglycaemic effects and their respective mechanisms of action in the management of DM in humans.
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Affiliation(s)
- Dinesh Kumar Chellappan
- Department of Life Sciences, International Medical University, Kuala Lumpur, 57000, Malaysia
| | - Jestin Chellian
- Department of Life Sciences, International Medical University, Kuala Lumpur, 57000, Malaysia
| | | | - Wee Jin Gan
- School of Pharmacy, International Medical University, Kuala Lumpur, 57000, Malaysia
| | - Priyanka Banerjee
- Department of Pharmaceutical Technology, School of Medical Sciences, Adamas University, Kolkata, West Bengal, India
| | - Saptarshi Sanyal
- Department of Pharmaceutical Technology, School of Medical Sciences, Adamas University, Kolkata, West Bengal, India
| | | | - Nandini Ghosh
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Tanner Guith
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Amitava Das
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jaipur, Rajasthan, 302017, India
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, Uttarakhand, 248007, India
- Center for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Science, Chennai, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Anil Philip Kunnath
- Division of Applied Biomedical Science and Biotechnology, School of Health Sciences, International Medical University, Kuala Lumpur, 57000, Malaysia
| | - Nur Azeyanti Norhashim
- Division of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, Core Technology Facility, The University of Manchester, Manchester, M13 9NT, UK
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Kuan Hung Ong
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Kishneth Palaniveloo
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, 50603, Malaysia
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Zhang Y, Wu S. Hypoglycemic Effect of Polysaccharides from Porphyra yezoensis Associated with Reduced Intestinal α-Amylase Activity in Diabetes Mellitus KKAy Mice. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2022. [DOI: 10.1080/10498850.2022.2133583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Yu Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Haizhou, China
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Haizhou, China
- Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Haizhou, China
| | - Shengjun Wu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Haizhou, China
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Haizhou, China
- Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Haizhou, China
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Tziveleka LA, Tammam MA, Tzakou O, Roussis V, Ioannou E. Metabolites with Antioxidant Activity from Marine Macroalgae. Antioxidants (Basel) 2021; 10:1431. [PMID: 34573063 PMCID: PMC8470618 DOI: 10.3390/antiox10091431] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 02/06/2023] Open
Abstract
Reactive oxygen species (ROS) attack biological molecules, such as lipids, proteins, enzymes, DNA, and RNA, causing cellular and tissue damage. Hence, the disturbance of cellular antioxidant homeostasis can lead to oxidative stress and the onset of a plethora of diseases. Macroalgae, growing in stressful conditions under intense exposure to UV radiation, have developed protective mechanisms and have been recognized as an important source of secondary metabolites and macromolecules with antioxidant activity. In parallel, the fact that many algae can be cultivated in coastal areas ensures the provision of sufficient quantities of fine chemicals and biopolymers for commercial utilization, rendering them a viable source of antioxidants. This review focuses on the progress made concerning the discovery of antioxidant compounds derived from marine macroalgae, covering the literature up to December 2020. The present report presents the antioxidant potential and biogenetic origin of 301 macroalgal metabolites, categorized according to their chemical classes, highlighting the mechanisms of antioxidative action when known.
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Affiliation(s)
- Leto-Aikaterini Tziveleka
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (L.-A.T.); (M.A.T.); (O.T.); (V.R.)
| | - Mohamed A. Tammam
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (L.-A.T.); (M.A.T.); (O.T.); (V.R.)
- Department of Biochemistry, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt
| | - Olga Tzakou
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (L.-A.T.); (M.A.T.); (O.T.); (V.R.)
| | - Vassilios Roussis
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (L.-A.T.); (M.A.T.); (O.T.); (V.R.)
| | - Efstathia Ioannou
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (L.-A.T.); (M.A.T.); (O.T.); (V.R.)
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Menaa F, Wijesinghe U, Thiripuranathar G, Althobaiti NA, Albalawi AE, Khan BA, Menaa B. Marine Algae-Derived Bioactive Compounds: A New Wave of Nanodrugs? Mar Drugs 2021; 19:484. [PMID: 34564146 PMCID: PMC8469996 DOI: 10.3390/md19090484] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/16/2021] [Accepted: 08/19/2021] [Indexed: 02/07/2023] Open
Abstract
Marine algae are rich in bioactive nutraceuticals (e.g., carbohydrates, proteins, minerals, fatty acids, antioxidants, and pigments). Biotic (e.g., plants, microorganisms) and abiotic factors (e.g., temperature, pH, salinity, light intensity) contribute to the production of primary and secondary metabolites by algae. Easy, profitable, and sustainable recovery methods include novel solid-liquid and liquid-liquid extraction techniques (e.g., supercritical, high pressure, microwave, ultrasound, enzymatic). The spectacular findings of algal-mediated synthesis of nanotheranostics has attracted further interest because of the availability of microalgae-based natural bioactive therapeutic compounds and the cost-effective commercialization of stable microalgal drugs. Algal extracts can serve as stabilizing/capping and reducing agents for the synthesis of thermodynamically stable nanoparticles (NPs). Different types of nanotherapeutics have been synthesized using physical, chemical, and biological methods. Marine algae are a fascinating source of lead theranostics compounds, and the development of nanotheranostics has been linked to enhanced drug efficacy and safety. Indeed, algae are remarkable nanobiofactories, and their pragmatic properties reside in their (i) ease of handling; (ii) capacity to absorb/accumulate inorganic metallic ions; (iii) cost-effectiveness; and (iv) capacity of eco-friendly, rapid, and healthier synthesis of NPs. Preclinical and clinical trials shall enable to really define effective algal-based nanotherapies. This review aims to provide an overview of the main algal compounds that are nutraceuticals and that can be extracted and purified for nanotheranostic purposes.
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Affiliation(s)
- Farid Menaa
- Department of Internal Medicine and Nanomedicine, Fluorotronics-CIC, San Diego, CA 92037, USA;
| | - Udari Wijesinghe
- Institute of Chemistry Ceylon, College of Chemical Sciences, Rajagiriya 10107, Sri Lanka; (U.W.); (G.T.)
| | - Gobika Thiripuranathar
- Institute of Chemistry Ceylon, College of Chemical Sciences, Rajagiriya 10107, Sri Lanka; (U.W.); (G.T.)
| | - Norah A. Althobaiti
- Biology Department, College of Science and Humanities, Shaqra University, Al Quwaiiyah 19257, Saudi Arabia;
| | - Aishah E. Albalawi
- Biology Department, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Barkat Ali Khan
- Department of Pharmacy, Gomal University, Dera Ismail Khan 29050, Pakistan;
| | - Bouzid Menaa
- Department of Internal Medicine and Nanomedicine, Fluorotronics-CIC, San Diego, CA 92037, USA;
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Porphyran and oligo-porphyran originating from red algae Porphyra: Preparation, biological activities, and potential applications. Food Chem 2021; 349:129209. [PMID: 33588184 DOI: 10.1016/j.foodchem.2021.129209] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/17/2021] [Accepted: 01/24/2021] [Indexed: 02/07/2023]
Abstract
Porphyra is one of the most economically important red algae in the world. The functional components extracted from Porphyra such as porphyrans, proteins, lipids, and minerals have strong physiological activities. Porphyran, a sulfated galactan, is composed of alternating 1,4-linked α-l-galactopyranose-6-sulfate (L6S) and 1,3-linked β-d-galactopyranose (G). Porphyran and oligo-porphyran have a series of pharmacological and biological functions, such as antioxidation, anticancer, antiaging, antiallergic, immunomodulatory, hypoglycaemic, and hypolipidemic effects. Thus, red algae Porphyra-derived porphyran and oligo-porphyran have various potential applications in food, medicine, and cosmetic fields. For better application, this review introduces and summarizes the structure and source of porphyran as well as the preparation methods, biological activities, and potential applications of porphyran and oligo-porphyran. Moreover, the future research directions and emphasis of porphyran and oligo-porphyran preparation as well as their functional activities and applications are highlighted and prospected.
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Neijat M, Habtewold J, Li S, Jing M, House JD. Effect of dietary n-3 polyunsaturated fatty acids on the composition of cecal microbiome of Lohmann hens. Prostaglandins Leukot Essent Fatty Acids 2020; 162:102182. [PMID: 33038831 DOI: 10.1016/j.plefa.2020.102182] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 12/26/2022]
Abstract
Supplementation of n-3 fatty acids to poultry diets is widely acknowledged for its role in enhancing poultry products, however, little is known about the compositional responses of gut microbial communities to type and dosage of these supplements. Here, we compared the effects of n-3 polyunsaturated fatty acids (PUFA), supplied as alpha-linolenic acid (ALA) or docosahexaenoic acid (DHA), on the composition of bacterial communities in ceca of laying hens. Corn-soybean basal diets were supplemented with either flaxseed oil (FO, ALA-rich) or marine algal biomass (MA, DHA-rich), and each supplied 0.20 and 0.60% of total n-3 PUFA in the diet. Lohmann LSL-Classic laying hens (n = 10/treatment) were randomly allocated to one of the 4 diets. After 8 weeks of feeding, blood, liver and cecal digesta samples were obtained for plasma glucose, fatty acids, and short chain fatty acids analyses, respectively. The gut bacterial communities were characterized using genomic DNA extracted from cecal contents, whereby the V3-V4 hypervariable region of the 16S rRNA gene was sequenced using the Illumina Miseq® platform. Firmicutes and Bacteroidetes were the predominant phyla in both the FO- and MA-fed groups. The relative abundance of Tenericutes, often associated with immunomodulation, was relatively higher (P<0.0001) in the FO than MA group. Although the relative abundance of Bacteroides was greater for the FO- than the MA-fed group, this genus was negatively correlated (P<0.05) with total n-3 PUFA in the liver at higher dosages of both FO- and MA-fed hens. Higher dose of FO (0.60%) and both dosages of MA (0.20 and 0.60%) substantially enriched several members of Firmicutes (e.g., Faecalibacterium, Clostridium and Ruminococcus) which are known to produce butyrate. Moreover, co-occurrence network analysis revealed that, in the FO 0.60- and MA 0.20-fed hens, Ruminococcaceae was the most influential taxon accounting for about 31% of the network complexity. These findings demonstrate that supplementation of different type and level of n-3 PUFA in hens' diets could enrich microbial communities with potential role in lipid metabolism and health.
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Affiliation(s)
- M Neijat
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada
| | - J Habtewold
- Agriculture and Agri-Food Canada (AAFC), Ottawa, Ontario, Canada
| | - S Li
- Department of Animal Sciences, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada
| | - M Jing
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada
| | - J D House
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada; Department of Animal Sciences, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada; Richardson Centre for Functional Foods and Nutraceuticals, University of Manitoba, Winnipeg, Manitoba, R3T 2E1, Canada; Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Research Centre, Winnipeg, MB, R2H 2A6, Canada.
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Yanagita T, Tsuge K, Koga M, Inoue N, Nagao K. Eicosapentaenoic acid-containing polar lipids from seaweed Susabinori (Pyropia yezoensis) alleviate hepatic steatosis in obese db/db mice. Arch Biochem Biophys 2020; 691:108486. [PMID: 32710880 DOI: 10.1016/j.abb.2020.108486] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/21/2020] [Accepted: 07/03/2020] [Indexed: 12/11/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is emerging as the most common liver disease in industrialized countries. Because hepatic steatosis is an early pathogenesis of NAFLD, the discovery of food components that could ameliorate hepatic steatosis is of interest. Susabinori (Pyropia yezoensis) is recognized as one of the most delicious edible brown algae, and we prepared lipid component of susabinori (SNL), which is rich in eicosapentaenoic acid (EPA)-containing polar lipids. In this study, we tested whether feeding SNL to db/db mice protects them from developing obesity-induced hepatic steatosis. After four weeks of feeding, hepatomegaly, hepatic steatosis, and hepatic injury were markedly alleviated in SNL-fed db/db mice. These effects were partly attributable to the suppression of activities and mRNA expressions of lipogenic enzymes and enhanced levels of adiponectin due to the SNL diet. Additionally, mRNA expression of monocyte chemoattractant protein-1, an inflammatory chemokine, was markedly suppressed, and the mRNA levels of PPARδ, the anti-inflammatory transcription factor, were strongly enhanced in the livers of db/db mice by the SNL diet. We speculate that the development and progression of obesity-induced hepatic steatosis was prevented by the suppression of chronic inflammation due to the combination of bioactivities of EPA, phospholipids, and glycolipids in the SNL diet.
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Affiliation(s)
- Teruyoshi Yanagita
- Department of Biological Resource Science, Saga University, Saga, 840-8502, Japan; Department of Health and Nutrition Sciences, Nishikyushu University, Kanzaki, 842-8585, Japan; Saga Regional Industry Support Center, Saga, 849-0932, Japan
| | - Keisuke Tsuge
- Industrial Technology Center of Saga, Saga, 849-0932, Japan
| | - Misato Koga
- Department of Biological Resource Science, Saga University, Saga, 840-8502, Japan
| | - Nao Inoue
- Faculty of Agriculture, Yamagata University, Tsuruoka, 997-8555, Japan
| | - Koji Nagao
- Department of Biological Resource Science, Saga University, Saga, 840-8502, Japan.
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12
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Brütting C, Lara Bisch M, Brandsch C, Hirche F, Stangl GI. Impact of dietary propionate on fructose-induced changes in lipid metabolism, gut microbiota and short-chain fatty acids in mice. Int J Food Sci Nutr 2020; 72:160-173. [PMID: 32498647 DOI: 10.1080/09637486.2020.1773415] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Propionate has antimicrobial activity and is suggested to influence lipid metabolism. Here, we investigated the effect of propionate on lipid metabolism and the gut microbiome in fructose-fed mice as a model of diet-induced steatosis and gut dysbiosis. Therefore, 48 male wild-type mice were fed isoenergetic diets with either 0% fructose (F-) or 40% fructose (F+) that contained 0% propionate (P-) or 1% propionate (P+) for 7 weeks. Mice that received the F+ diets developed fatty livers, had fewer small intestinal proteobacteria and colonic actinobacteria and were characterised by changes in bacterial genera (e.g., Allobaculum, Lachnospiraceae, and Escherichia). Interestingly, mice fed the F+ diets had higher levels of propionate and butyrate in the circulation than mice fed the F- diets (p < 0.05). Treatment with propionate influenced neither hepatic or plasma lipids nor levels of circulating SCFAs. With the exception of Verrucomicrobia, other bacterial phyla were not affected by propionate.
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Affiliation(s)
- Christine Brütting
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany
| | - Milena Lara Bisch
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany
| | - Corinna Brandsch
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany
| | - Frank Hirche
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany
| | - Gabriele I Stangl
- Institute of Agricultural and Nutritional Sciences, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany
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13
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Nasab SB, Homaei A, Pletschke BI, Salinas-Salazar C, Castillo-Zacarias C, Parra-Saldívar R. Marine resources effective in controlling and treating diabetes and its associated complications. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.01.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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14
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Fernando IPS, Ryu B, Ahn G, Yeo IK, Jeon YJ. Therapeutic potential of algal natural products against metabolic syndrome: A review of recent developments. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.01.020] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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15
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Geng L, Wang J, Zhang Z, Yue Y, Zhang Q. Structure and Bioactivities of Porphyrans and Oligoporphyrans. Curr Pharm Des 2020; 25:1163-1171. [PMID: 31208306 DOI: 10.2174/1381612825666190430111725] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 04/19/2019] [Indexed: 01/13/2023]
Abstract
BACKGROUND Pyropia (Porphyra), commonly known as nori or laver, is an important food source in many parts of the world. Edible dried Pyropia contains numerous nutrients and biofunctional components, including proteins, vitamins, eicosapentaenoic acid, minerals, carotenoids, mycosporine-like amino acids, and carbohydrate, and one of the compounds which we are interested in is porphyran, a sulfated polysaccharide comprising the hot-water-soluble portion of Pyropia cell walls. Researchers have performed a large number of in-depth studies on the biological activity and potential therapeutic applications of porphyrans and oligoporphyrans. METHODS This mini review aims to provide comprehensive and update overview on the source, extraction, structure, biological activities and structure-activity relationships of porphyrans and oligoporphyrans based on the studies in the past 30 years which were included in Web of Science. RESULTS The structure of porphyran has been basically determined given that its straight chain is relatively simple, and the skeleton structure has been described. The extraction methods were simplified continuously, but different extraction methods and post- processing methods still had great influence on the structure and composition of porphyran, so there was no standardized extraction process which can achieve quality control until now. In order to obtain oligoporphyrans, there are a variety of degradation methods, including chemical method, physical method and enzymatic method, but it is worth mentioning that specific degradation enzyme is still unavailable. Studies on the biological and pharmacology properties include antioxidant, anti-tumor, anti-inflammatory, immunomodulation, anti-cardiovascular and cerebrovascular diseases and drug delivery. CONCLUSION Owing to the therapeutic potential and drug delivery applications, porphyran and oligoporphyrans are expected to be further developed as a medicine against human diseases, as well as a supplement in cosmetics and health products.
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Affiliation(s)
- Lihua Geng
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
| | - Jing Wang
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
| | - Zhongshan Zhang
- Department of Pharmacology, Huzhou University, Huzhou 313000, China
| | - Yang Yue
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
| | - Quanbin Zhang
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
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Cho TJ, Rhee MS. Health Functionality and Quality Control of Laver ( Porphyra, Pyropia): Current Issues and Future Perspectives as an Edible Seaweed. Mar Drugs 2019; 18:E14. [PMID: 31877971 PMCID: PMC7024182 DOI: 10.3390/md18010014] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 12/11/2022] Open
Abstract
The growing interest in laver as a food product and as a source of substances beneficial to health has led to global consumer demand for laver produced in a limited area of northeastern Asia. Here we review research into the benefits of laver consumption and discuss future perspectives on the improvement of laver product quality. Variation in nutritional/functional values among product types (raw and processed (dried, roasted, or seasoned) laver) makes product-specific nutritional analysis a prerequisite for accurate prediction of health benefits. The effects of drying, roasting, and seasoning on the contents of both beneficial and harmful substances highlight the importance of managing laver processing conditions. Most research into health benefits has focused on substances present at high concentrations in laver (porphyran, Vitamin B12, taurine), with assessment of the expected effects of laver consumption. Mitigation of chemical/microbiological risks and the adoption of novel technologies to exploit under-reported biochemical characteristics of lavers are suggested as key strategies for the further improvement of laver product quality. Comprehensive analysis of the literature regarding laver as a food product and as a source of biomedical compounds highlights the possibilities and challenges for application of laver products.
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Affiliation(s)
| | - Min Suk Rhee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea;
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LI ZS, ZHENG JW, MANABE Y, HIRATA T, SUGAWARA T. Anti-Obesity Properties of the Dietary Green Alga, Codium cylindricum, in High-Fat Diet-Induced Obese Mice. J Nutr Sci Vitaminol (Tokyo) 2018; 64:347-356. [DOI: 10.3177/jnsv.64.347] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Zhuo-Si LI
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
| | - Jia-Wen ZHENG
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
| | - Yuki MANABE
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
| | - Takashi HIRATA
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
- Department of Rehabilitation, Shijonawate Gakuen University
| | - Tatsuya SUGAWARA
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University
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18
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Ijaz MU, Ahmed MI, Zou X, Hussain M, Zhang M, Zhao F, Xu X, Zhou G, Li C. Beef, Casein, and Soy Proteins Differentially Affect Lipid Metabolism, Triglycerides Accumulation and Gut Microbiota of High-Fat Diet-Fed C57BL/6J Mice. Front Microbiol 2018; 9:2200. [PMID: 30319558 PMCID: PMC6165900 DOI: 10.3389/fmicb.2018.02200] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 08/28/2018] [Indexed: 01/09/2023] Open
Abstract
Consumption of dietary protein at recommended levels is considered a potential strategy to promote satiety and weight management, but how protein from different dietary sources effect the obesity development, lipid metabolism, and gut microbiota is not known. This study focused on the effects of beef, casein, and soy protein diet on lipid metabolism, triglycerides accumulation, and microbial diversity in colon of C57BL/6J mice, which were given either low-fat diets (LFD, 12% Kcal) or high-fat diets (HFD, 60% Kcal) for 12 weeks. Body and liver weight increased significantly in mice fed a beef protein HFD (HFB), whereas reduced cumulative energy intake was seen in a soy protein HFD (HFS) group. HFB-fed mice showed signs of impaired glucose metabolism and insulin resistance along with a significant elevation in the concentration of triglycerides, LDL-cholesterol, total cholesterol, IL1β, TNF-α, IL-6, and leptin in serum. HFB also enhanced lipid accumulation in liver with increased activity of genes important for lipogenesis and hepatic cholesterol metabolism. A 16S rRNA gene sequencing indicated that HFD, regardless of proteins, significantly enhanced the ratio of Firmicutes to Bacteroidetes in colonic microbiota. However, HFB not only reduced the abundance of Akkermansia, compared with LFD independent of proteins, but also decreased the abundance of butyrate-producing bacteria such as Anaerotruncus, Butyricicoccus, and Lactobacillus (P < 0.05) compared with HFS and HFC. In conclusion, consumption of HFB does not only affect the gut microbiota composition but also increases the problems related to metabolic syndromes like dyslipidemia, hypercholesterolemia, and triglycerides accumulation in liver, which lead to systemic inflammation and its associated comorbidities, for example, impaired glucose metabolism and insulin resistance.
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Affiliation(s)
- Muhammad Umair Ijaz
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Muhammad Ijaz Ahmed
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Xiaoyou Zou
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Muzahir Hussain
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Min Zhang
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Fan Zhao
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Xinglian Xu
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Guanghong Zhou
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
| | - Chunbao Li
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural University, Nanjing, China
- Key Laboratory of Meat Processing, MOA, Jiangsu Collaborative Innovation Center of Meat Production, Processing and Quality Control, Nanjing Agricultural UniversityNanjing, China
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Zhang Q, Yu H, Xiao X, Hu L, Xin F, Yu X. Inulin-type fructan improves diabetic phenotype and gut microbiota profiles in rats. PeerJ 2018; 6:e4446. [PMID: 29507837 PMCID: PMC5835350 DOI: 10.7717/peerj.4446] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 02/10/2018] [Indexed: 12/18/2022] Open
Abstract
Background & Aims Accumulating research has addressed the linkage between the changes to gut microbiota structure and type 2 diabetes (T2D). Inulin is one type of soluble dietary fiber that can alleviate T2D. As a prebiotic, inulin cannot be digested by humans, but rather is digested by probiotics. However, whether inulin treatment can benefit the entire gut bacteria community remains unknown. In this study, we evaluated the differences in gut microbiota composition among diabetic, inulin-treated diabetic, normal control, and inulin-treated normal control rats. Methods A diabetic rat model was generated by a high-fat diet and streptozotocin injections (HF/STZ). Inulin was orally administered to normal and diabetic rats. To determine the composition of the gut microbiota, fecal DNA extraction and 16S rRNA gene 454 pyrosequencing were performed. Results We found that inulin treatment reduced fasting blood glucose levels and alleviated glucose intolerance and blood lipid panels in diabetic rats. Additionally, inulin treatment increased the serum glucagon-like peptide-1 (GLP-1) level, reduced serum IL-6 level, Il6 expression in epididymal adipose tissue, and Pepck, G6pc expression in liver of diabetic rats. Pyrophosphate sequencing of the 16s V3–V4 region demonstrated an elevated proportion of Firmicutes and a reduced abundance of Bacteroidetes at the phylogenetic level in diabetic rats compared to normal control rats. The characteristics of the gut microbiota in control and inulin-treated rats were similar. Inulin treatment can normalize the composition of the gut microbiota in diabetic rats. At the family and genus levels, probiotic bacteria Lactobacillus and short-chain fatty acid (SCFA)-producing bacteria Lachnospiraceae, Phascolarctobacterium, and Bacteroides were found to be significantly more abundant in the inulin-treated diabetic group than in the non-treated diabetic group. In addition, inulin-treated rats had a lower abundance of Desulfovibrio, which produce lipopolysaccharide (LPS). The abundance of Lachnospiraceae was negatively correlated with the blood glucose response after a glucose load. Conclusion In summary, diabetic rats have different gut microbiota from control rats. Inulin treatment can alleviate gut microbiota dysbiosis in T2D model rats. Moreover, inulin treatment enhanced serum GLP-1 level to suppress IL-6 secretion and production and hepatic gluconeogenesis, resulted in moderation of insulin tolerance.
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Affiliation(s)
- Qian Zhang
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Hongyue Yu
- Department of Endocrinology, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Xinhua Xiao
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Ling Hu
- Department of Endocrinology, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Fengjiao Xin
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences (CAAS), Beijing, China
| | - Xiaobing Yu
- Fengning Ping'an High-tech Industrial Co., Ltd., Hebei Province, China
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Zhao C, Yang C, Liu B, Lin L, Sarker SD, Nahar L, Yu H, Cao H, Xiao J. Bioactive compounds from marine macroalgae and their hypoglycemic benefits. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2017.12.001] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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22
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Bito T, Teng F, Watanabe F. Bioactive Compounds of Edible Purple Laver Porphyra sp. (Nori). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:10685-10692. [PMID: 29161815 DOI: 10.1021/acs.jafc.7b04688] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Porphyra sp. (nori) is widely cultivated as an important marine crop. Dried nori contains numerous nutrients, including vitamin B12, which is the only vitamin absent from plant-derived food sources. Vegetarian diets are low in iron and vitamin B12; depletion of both causes severe anemia. Nori also contains large amounts of iron compared with other plant-derived foods and eicosapentaenoic acid, which is an important fatty acid found in fish oils. In nori, there are also many bioactive compounds that exhibit various pharmacological activities, such as immunomodulation, anticancer, antihyperlipidemic, and antioxidative activities, indicating that consumption of nori is beneficial to human health. However, Porphyra sp. contains toxic metals (arsenic and cadmiun) and/or amphipod allergens, the levels of which vary significantly among nori products. Further evidence from human studies of such beneficial or adverse effects of nori consumption is required.
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Affiliation(s)
- Tomohiro Bito
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University , Tottori 680-8553, Japan
| | - Fei Teng
- Department of Food Quality and Safety, College of Food Science, Northeast Agricultural University , Harbin 150030, China
| | - Fumio Watanabe
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University , Tottori 680-8553, Japan
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Shortt C, Hasselwander O, Meynier A, Nauta A, Fernández EN, Putz P, Rowland I, Swann J, Türk J, Vermeiren J, Antoine JM. Systematic review of the effects of the intestinal microbiota on selected nutrients and non-nutrients. Eur J Nutr 2017; 57:25-49. [PMID: 29086061 PMCID: PMC5847024 DOI: 10.1007/s00394-017-1546-4] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 09/20/2017] [Indexed: 12/28/2022]
Abstract
PURPOSE There is considerable interest in the effects of the intestinal microbiota (IM) composition, its activities in relation with the metabolism of dietary substrates and the impact these effects may have in the development and prevention of certain non-communicable diseases. It is acknowledged that a complex interdependence exists between the IM and the mammalian host and that the IM possesses a far greater diversity of genes and repertoire of metabolic and enzymatic capabilities than their hosts. However, full knowledge of the metabolic activities and interactions of the IM and the functional redundancy that may exist are lacking. Thus, the current review aims to assess recent literature relating to the role played by the IM in the absorption and metabolism of key nutrients and non-nutrients. METHODS A systematic review (PROSPERO registration: CRD42015019087) was carried out focussing on energy and the following candidate dietary substrates: protein, carbohydrate, fat, fibre, resistant starch (RS), and polyphenols to further understand the effect of the IM on the dietary substrates and the resulting by-products and host impacts. Particular attention was paid to the characterisation of the IM which are predominantly implicated in each case, changes in metabolites, and indirect markers and any potential impacts on the host. RESULTS Studies show that the IM plays a key role in the metabolism of the substrates studied. However, with the exception of studies focusing on fibre and polyphenols, there have been relatively few recent human studies specifically evaluating microbial metabolism. In addition, comparison of the effects of the IM across studies was difficult due to lack of specific analysis/description of the bacteria involved. Considerable animal-derived data exist, but experience suggests that care must be taken when extrapolating these results to humans. Nevertheless, it appears that the IM plays a role in energy homeostasis and that protein microbial breakdown and fermentation produced ammonia, amines, phenols and branch chain fatty acids, and a greater diversity in the microbes present. Few recent studies appear to have evaluated the effect of the IM composition and metabolism per se in relation with digestible dietary carbohydrate or fat in humans. Intakes of RS and prebiotics altered levels of specific taxa that selectively metabolised specific prebiotic/carbohydrate-type substances and levels of bifidobacteria and lactobacilli were observed to increase. In controlled human studies, consistent data exist that show a correlation between the intake of fibre and an increase in bifidobacteria and short-chain fatty acids, in particular butyrate, which leads to lower intestinal pH. Dietary polyphenols rely on modification either by host digestive enzymes or those derived from the IM for absorption to occur. In the polyphenol-related studies, a large amount of inter-individual variation was observed in the microbial metabolism and absorption of certain polyphenols. CONCLUSIONS The systematic review demonstrates that the IM plays a major role in the breakdown and transformation of the dietary substrates examined. However, recent human data are limited with the exception of data from studies examining fibres and polyphenols. Results observed in relation with dietary substrates were not always consistent or coherent across studies and methodological limitations and differences in IM analyses made comparisons difficult. Moreover, non-digestible components likely to reach the colon are often not well defined or characterised in studies making comparisons between studies difficult if not impossible. Going forward, further rigorously controlled randomised human trials with well-defined dietary substrates and utilizing omic-based technologies to characterise and measure the IM and their functional activities will advance the field. Current evidence suggests that more detailed knowledge of the metabolic activities and interactions of the IM hold considerable promise in relation with host health.
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Affiliation(s)
- Colette Shortt
- Johnson & Johnson EAME, Foundation Park, Maidenhead, SL6 3UG, UK.
| | - Oliver Hasselwander
- DuPont Nutrition and Health, c/o Danisco (UK) Ltd., 43 London Road, Reigate, Surrey, RH2 9PW, UK
| | | | - Arjen Nauta
- FrieslandCampina, Stationsplein 4, 3818 LE, Amersfoort, The Netherlands
| | | | - Peter Putz
- University of Applied Sciences, FH Campus Wien, 1100, Vienna, Austria
| | - Ian Rowland
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, RG6 6AP, UK
| | - Jonathan Swann
- Imperial College London, South Kensington Campus, London, SW7 2AZ, UK
| | - Jessica Türk
- Yakult Germany, Forumstraße 2, 41468, Neuss, Germany
| | - Joan Vermeiren
- Cargill R&D Centre Europe, Havenstraat 84, 1800, Vilvoorde, Belgium
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Park MH, Kang JH, Kim HJ, Han JS. Gelidium amansii ethanol extract suppresses fat accumulation by down-regulating adipogenic transcription factors in ob/ob mice model. Food Sci Biotechnol 2017; 26:207-212. [PMID: 30263530 DOI: 10.1007/s10068-017-0028-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 10/17/2016] [Accepted: 11/11/2016] [Indexed: 01/17/2023] Open
Abstract
The purpose of this study was to determine the anti-obesity effects of Gelidium amansii extract (GAE) in the C57BL/6J-ob/ob mice. The ob/ob mice were fed GAE at 0.5% for 4 weeks, after which body weight, epididymal adipose tissue weight, plasma triglycerides, and hepatic lipid accumulation were significantly reduced in GAE-fed mice compared with ob/ob control mice. Plasma adiponectin levels were significantly higher in GAE-fed mice than in ob/ob control mice. These findings were supported by the expression levels of enzymes and proteins related to lipid metabolism assessed by western blotting: protein expression levels of the peroxisome proliferator-activated receptor γ and CCATT/enhancer binding protein α decreased significantly, while hormone-sensitive lipase and phospho-AMP-activated protein kinase levels increased in the GAE-fed mice compared with ob/ob control mice. These findings demonstrate that GAE regulates plasma lipid profiles and increasing highdensity lipoprotein cholesterol levels as well as by regulating the expression levels of lipid metabolic factors, resulting in reduced weight gain in ob/ob mice.
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Affiliation(s)
- Mi-Hwa Park
- 1Department of Food and Nutrition, College of Medical and Life Science, Silla University, Busan, 46958 Korea
| | - Ji-Hye Kang
- 2Department of Food Science and Nutrition, Pusan National University, Busan, 46241 Korea
| | - Hak-Ju Kim
- Seojin Biotech Co., Ltd., Yongin, Gyeoggi, 17015 Korea
| | - Ji-Sook Han
- 2Department of Food Science and Nutrition, Pusan National University, Busan, 46241 Korea
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Kim CR, Kim YM, Lee MK, Kim IH, Choi YH, Nam TJ. Pyropia yezoensis peptide promotes collagen synthesis by activating the TGF-β/Smad signaling pathway in the human dermal fibroblast cell line Hs27. Int J Mol Med 2017; 39:31-38. [PMID: 27878236 PMCID: PMC5179186 DOI: 10.3892/ijmm.2016.2807] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 11/11/2016] [Indexed: 11/06/2022] Open
Abstract
Pyropia yezoensis (P. yezoensis) is a marine algae that exhibits antioxidant, anti-inflammatory, antitumor and anti-aging activities. In this study, we investigated the effects of the P. yezoensis peptide, PYP1‑5, on collagen synthesis in the human dermal fibroblast cell line Hs27. Skin aging is related to reduced collagen production and the activities of multiple enzymes, including matrix metalloproteinases (MMPs), which degrade collagen structure in the dermis, and tissue inhibitor of tissue inhibitor of metalloproteinases (TIMPs), which inhibit the action of MMPs. While collagen synthesis is associated with a number of signaling pathways, we examined the increased collagen synthesis via the upregulation of the transforming growth factor-β (TGF-β)/Smad signaling pathway. Using MTS assay, we found that PYP1‑5 did not affect cell viability. Moreover, we confirmed that PYP1‑5 increased type 1 collagen expression using enzyme-linked immunosorbent assay (ELISA), western blot analysis and quantitative PCR. In addition, we identified changes in various enzymes, as well as the mechanisms behind the PYP1‑5-induced collagen synthesis. PYP1‑5 decreased the MMP-1 protein and mRNA levels, and increased the TIMP-1 and TIMP-2 protein and mRNA levels. In addition, PYP1‑5 activated the TGF-β/Smad signaling pathway, which increased TGF-β1, p-Smad2 and p-Smad3 expression, while inhibiting Smad7, an inhibitor of the TGF-β/Smad pathway. Furthermore, PYP1‑5 upregulated transcription factor specificity protein 1 (Sp1) expression, which is reportedly involved in type 1 collagen expression. These findings indicate that PYP1‑5 activates the TGF-β/Smad signaling pathway, which subsequently induces collagen synthesis in Hs27 cells.
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Affiliation(s)
- Cho-Rong Kim
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513
| | - Young-Min Kim
- Institute of Fisheries Sciences, Pukyong National University, Busan 46041, Republic of Korea
| | - Min-Kyeong Lee
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513
| | - In-Hye Kim
- Institute of Fisheries Sciences, Pukyong National University, Busan 46041, Republic of Korea
| | - Youn-Hee Choi
- Institute of Fisheries Sciences, Pukyong National University, Busan 46041, Republic of Korea
| | - Taek-Jeong Nam
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513
- Institute of Fisheries Sciences, Pukyong National University, Busan 46041, Republic of Korea
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Deletion of the Toll-Like Receptor 5 Gene Per Se Does Not Determine the Gut Microbiome Profile That Induces Metabolic Syndrome: Environment Trumps Genotype. PLoS One 2016; 11:e0150943. [PMID: 26950299 PMCID: PMC4780789 DOI: 10.1371/journal.pone.0150943] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 02/22/2016] [Indexed: 12/31/2022] Open
Abstract
Over the past decade, emerging evidence has linked alterations in the gut microbial composition to a wide range of diseases including obesity, type 2 diabetes, and cardiovascular disease. Toll-like receptors (TLRs) are the major mediators for the interactions between gut microbiota and host innate immune system, which is involved in the localization and structuring of host gut microbiota. A previous study found that TLR5 deficient mice (TLR5KO1) had altered gut microbial composition which led to the development of metabolic syndrome including hyperlipidemia, hypertension, insulin resistance and increased adiposity. In the current study, a second TLR5-deficient mouse model was studied (TLR5KO2). TLR5 deficient mice did not manifest metabolic abnormalities related to the metabolic syndrome compared with littermate controls maintained on normal chow or after feeding a high fat diet. Analysis of the gut microbial composition of littermate TLR5KO2 and wild type mice revealed no significant difference in the overall microbiota structure between genotypes. However, the TLR5KO2 microbiota was distinctly different from that previously reported for TLR5KO1 mice with metabolic syndrome. We conclude that an altered composition of the microbiota in a given environment can result in metabolic syndrome, but it is not a consequence of TLR5 deficiency per se.
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Cao J, Wang J, Wang S, Xu X. Porphyra Species: A Mini-Review of Its Pharmacological and Nutritional Properties. J Med Food 2016; 19:111-9. [DOI: 10.1089/jmf.2015.3426] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- Jin Cao
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Jianping Wang
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Shicheng Wang
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang, China
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Antioxidative, hypolipidemic, and anti-inflammatory activities of sulfated polysaccharides from Monostroma nitidum. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0027-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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Shi C, Pan T, Cao M, Liu Q, Zhang L, Liu G. Suppression of Th2 immune responses by the sulfated polysaccharide from Porphyra haitanensis in tropomyosin-sensitized mice. Int Immunopharmacol 2015; 24:211-218. [DOI: 10.1016/j.intimp.2014.11.019] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 11/17/2014] [Accepted: 11/24/2014] [Indexed: 12/31/2022]
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Abstract
Seaweeds are a characteristic part of the traditional diet in countries such as Japan and Korea; these countries also have a lower prevalence of metabolic syndrome than countries such as the USA and Australia. This suggests that seaweeds may contain compounds that reduce the characteristic signs of obesity, diabetes, hypertension, fatty liver and inflammation in the metabolic syndrome. Potentially bioactive compounds from seaweeds include polysaccharides, peptides, pigments, minerals and omega-3 fatty acids. This review emphasises current research on these compounds in isolated cells, animal models and patients. Key problems for future research include chemical characterisation of the bioactive principles, defining pharmacological responses in all aspects of the metabolic syndrome, determining if a therapeutic dose has been administered, and defining oral bioavailability of the active ingredients.
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