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Du T, Xu Y, Xu X, Xiong S, Zhang L, Dong B, Huang J, Huang T, Xiao M, Xiong T, Xie M. ACE inhibitory peptides from enzymatic hydrolysate of fermented black sesame seed: Random forest-based optimization, screening, and molecular docking analysis. Food Chem 2024; 437:137921. [PMID: 37944395 DOI: 10.1016/j.foodchem.2023.137921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/12/2023] [Accepted: 10/31/2023] [Indexed: 11/12/2023]
Abstract
In this study, black sesame seeds were fermented by Lactobacillus Plantarum NCU116 and then hydrolyzed using acid protease to improve Angiotensin-I-converting enzyme (ACE) inhibitory activity. The random forest-particle swarm optimization (RF-PSO) model was applied to predict the ACE inhibitory activity during the hydrolysis process based on the experimental data. After separating by adsorption chromatography, gel filtration chromatography, and reversed phased-high performance liquid chromatography and then screening in silico method, eight peptides were identified from fermented black sesame seed hydrolysates as ITAPHW, SLPNYHPSPR, QYLPR, IRPNGL, YHNAPIL, LSYPR, GFAGDDAPRA, and LDPNPRSF with IC50 values of 51.69 μM, 146.67 μM, 655.02 μM, 752.60 μM, 1.02 mM, 2.01 mM, 1.97 mM, and 3.43 mM, respectively. ITAPHW and SLPNYHPSPR exhibited high antioxidant activity and inhibited the ACE activity in a non-competitive pattern. Molecular docking revealed that the strong ACE inhibition of ITAPHW and SLPNYHPSPR is probably attributed to the interaction with Zn2+ of ACE.
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Affiliation(s)
- Tonghao Du
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Yazhou Xu
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Xiaoyan Xu
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Shijin Xiong
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Linli Zhang
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Biao Dong
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
| | - Jinqing Huang
- Institute of Agricultural Products Processing, Jiangxi Academy of Agricultural Sciences, No. 602 Nanlian Road, Nanchang 330200, China
| | - Tao Huang
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China; International Institute of Food Innovation, Nanchang University, Luozhu Road, Xiaolan Economic and Technological Development Zone, Nanchang 330052, China
| | - Muyan Xiao
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China; International Institute of Food Innovation, Nanchang University, Luozhu Road, Xiaolan Economic and Technological Development Zone, Nanchang 330052, China
| | - Tao Xiong
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China; State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China.
| | - Mingyong Xie
- School of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China; State Key Laboratory of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi 330047, China
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2
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Chen L, Wang L, Cai J, Yang T, Li J, Shu G. Characterization of fermented pomegranate juice: ACE inhibitory activity under in vitro digestion, antioxidant capacity, phenolics composition, chemical properties and sensory evaluation. Food Sci Biotechnol 2024; 33:981-990. [PMID: 38371677 PMCID: PMC10866828 DOI: 10.1007/s10068-023-01388-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/20/2023] [Accepted: 07/13/2023] [Indexed: 02/20/2024] Open
Abstract
Consuming pomegranate juice (PJ) is beneficial for hypertensive regulation because of the phenolic compounds in PJ and their inhibitory activity on angiotensin-I-converting enzyme (ACE). To better utilize bioactive function of food, microorganism fermentation has been adopted to alter phenolic metabolism. This study confirms that even under in vitro digestion, fermented PJ (FPJ) maintains higher ACE inhibitory activity than that of PJ. The main phenolic compounds in PJ were compared either under fermentation or in vitro digestion. This study finds that fermentation promotes antioxidant capacity of PJ. The chemical properties of FPJ are evaluated and the corresponding relationship with bioactivities is analyzed. A sensory evaluation comparison is conducted between FPJ and PJ, furnishing interesting information for consumers. This study highlights the relationship between ACE inhibitory activity of PJ and phenolic composition under fermentation and in vitro digestion, providing novel insights for diet regulation of phenolic-rich FPJ in ACE inhibition therapy. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-023-01388-w.
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Affiliation(s)
- Li Chen
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, 710119 People’s Republic of China
- Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland
| | - Linlin Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, 710119 People’s Republic of China
| | - Jingwei Cai
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, 710119 People’s Republic of China
| | - Ting Yang
- College of Foreign Language, Shaanxi University of Chinese Medicine, Xianyang, 712046 People’s Republic of China
| | - Jianke Li
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, 710119 People’s Republic of China
| | - Guowei Shu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, 710021 People’s Republic of China
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3
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Dong Y, Yan W, Zhang YQ, Dai ZY. A novel angiotensin-converting enzyme (ACE) inhibitory peptide from tilapia skin: Preparation, identification and its potential antihypertensive mechanism. Food Chem 2024; 430:137074. [PMID: 37549627 DOI: 10.1016/j.foodchem.2023.137074] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/09/2023]
Abstract
To obtain food-derived peptides with high ACE inhibitory activity, tilapia skin was pretreated with steam explosion prior to enzymatic hydrolysis. The results showed that steam explosion pretreatment improved the hydrolysis efficiency and ACE inhibitory activity of fish skin hydrolysates. A novel ACE inhibitory peptide VGLFPSRSF (1009.17 Da) was obtained from steam-exploded fish skin hydrolysates. VGLFPSRSF had an IC50 value of 61.43 μM for ACE inhibitory activity, showing a non-competitive binding mode and gastrointestinal enzyme hydrolysis resistance. Molecular docking results showed that VGLFPSRSF interacted with ACE receptor protein through hydrogen bonding and hydrophobic interactions. Based on the results of network pharmacological analysis and molecular docking, VGLFPSRSF might regulate blood pressure through interaction with hypertensive targets such as AKT1, ACE, CD4, REN, and MMP9. Steam-exploded tilapia skin peptides had potential antihypertension activity and might be promising to achieve high-value utilization of fish skin by-products.
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Affiliation(s)
- Ye Dong
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China
| | - Wen Yan
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China
| | - Yi-Qi Zhang
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China.
| | - Zhi-Yuan Dai
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China
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4
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Khaled A, Ahmed E, Mamdouh M, Saad H, Mohamed A, Sobhy M, Piatti D, Sabry M, Saad MA, Sabry OM, Caprioli G. Natural angiotensin converting enzyme inhibitors: A safeguard against hypertension, respiratory distress syndrome, and chronic kidney diseases. Phytother Res 2023; 37:5464-5472. [PMID: 37675925 DOI: 10.1002/ptr.7987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 09/08/2023]
Abstract
Hypertension is a serious concern as it is one of the causes of kideny failure and pulmonary fibrosis. An important therapeutic strategy for treating chronic hypertension is to inhibit the angiotensin converting enzyme (ACE). ACE inhibition reduces kidney damage, pulmonary artery pressure, and high blood pressure. Due to their high efficacy and low risk of side effects, natural renin-angiotensin system inhibitors have drawn increasing attention over the past decades. Alkaloids, amino acids, anthocyanidins, flavonoids, glucosinolates, isoflavonoids, phenolic acids, polyphenolics, and triterpenoids are among the bioactive metabolites pocessing an impressive ACE inhibitory activity. Many herbs including Rosmarinus officinalis, Hibiscus sabdariffa, Curcuma longa, Rauwolfia serpentina, Emblica officinalis, Cynara scolymus, Punica granatum, Mucuna pruriens, Capsicum annuum, and Moringa olifera were found having ACE inhibitory activities comparable to captopril and enalpril. These enticing natural ACE inhibitors deserve to be a safeguard medicine against hypertension, respiratory distress syndrome, and chronic kidney diseases. More clinical trials are required before new natural compounds and herbs can be used to treat chronic hypertension and its ramifications, such as respiratory distress syndrome and kidney failure.
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Affiliation(s)
- Aya Khaled
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Esraa Ahmed
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Mohamed Mamdouh
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Hager Saad
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Aya Mohamed
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Marina Sobhy
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Diletta Piatti
- School of Pharmacy, University of Camerino, Camerino, Italy
| | - Miral Sabry
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Muhammed A Saad
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman, United Arab Emirates
| | - Omar M Sabry
- Pharmacognosy Department, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Kristof I, Ledesma SC, Apud GR, Vera NR, Aredes Fernández PA. Oenococcus oeni allows the increase of antihypertensive and antioxidant activities in apple cider. Heliyon 2023; 9:e16806. [PMID: 37332959 PMCID: PMC10272325 DOI: 10.1016/j.heliyon.2023.e16806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/22/2023] [Accepted: 05/29/2023] [Indexed: 06/20/2023] Open
Abstract
This study aimed to investigate the impact of the malolactic fermentation (MLF) carried out by Oenococcus oeni on antihypertensive and antioxidant activities in cider. The MLF was induced using three strains of O. oeni. The modification in phenolic compounds (PCs) and nitrogen organic compounds, antioxidant, and antihypertensive activities were determined after MLF. Among the 17 PCs analyzed caffeic acid was the most abundant compound and phloretin, (-)-epicatechin, and myricetin were detected only in malolactic ciders, however, (-)-epigallocatechin was not detected after MLF. The evaluation of nitrogen organic compounds revealed a drop in total protein concentration (from 17.58 to 14.00 mg N/L) concomitantly with a significant release of peptide nitrogen (from 0.31 to a maximum value of 0.80 mg N/L) after MLF. In addition, an extracellular proteolytic activity was evidenced in all MLF supernatants. The FRAP activity increased reaching a maximum of 120.9 μmol FeSO4/mL and the ABTS radical-scavenging activity increased until 6.8 mmol ascorbic acid/L. Moreover, the angiotensin I-converting enzyme inhibitory activity reached a maximum value of 39.8%. The MLF conducted by O. oeni in ciders enables the increase of interesting biological activities and this finding could constitute a valuable tool to add value to final product.
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Affiliation(s)
- Irina Kristof
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
- Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán (UNT), Ayacucho 491, 4000, Tucumán, Argentina
| | - Silvana Cecilia Ledesma
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
- Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán (UNT), Ayacucho 491, 4000, Tucumán, Argentina
| | - Gisselle Raquel Apud
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
- Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán (UNT), Ayacucho 491, 4000, Tucumán, Argentina
| | - Nancy Roxana Vera
- Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán (UNT), Ayacucho 491, 4000, Tucumán, Argentina
| | - Pedro Adrián Aredes Fernández
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
- Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán (UNT), Ayacucho 491, 4000, Tucumán, Argentina
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Chen L, Wang L, Shu G, Yuan J, Zhang J, Qin S, Li J. Enhanced antihypertensive potential of fermented pomegranate juice: The contribution of phenolic compounds biotransformation and the resultant angiotensin-I-converting enzyme inhibition mechanism. Food Chem 2023; 404:134745. [DOI: 10.1016/j.foodchem.2022.134745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 10/15/2022] [Accepted: 10/23/2022] [Indexed: 11/04/2022]
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7
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Nag A, Dhull N, Gupta A. Evaluation of tea (Camellia sinensis L.) phytochemicals as multi-disease modulators, a multidimensional in silico strategy with the combinations of network pharmacology, pharmacophore analysis, statistics and molecular docking. Mol Divers 2023; 27:487-509. [PMID: 35536529 PMCID: PMC9086669 DOI: 10.1007/s11030-022-10437-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/07/2022] [Indexed: 11/25/2022]
Abstract
Tea (Camellia sinensis L.) is considered as to be one of the most consumed beverages globally and a reservoir of phytochemicals with immense health benefits. Despite numerous advantages, tea compounds lack a robust multi-disease target study. In this work, we presented a unique in silico approach consisting of molecular docking, multivariate statistics, pharmacophore analysis, and network pharmacology approaches. Eight tea phytochemicals were identified through literature mining, namely gallic acid, catechin, epigallocatechin gallate, epicatechin, epicatechin gallate (ECG), quercetin, kaempferol, and ellagic acid, based on their richness in tea leaves. Further, exploration of databases revealed 30 target proteins related to the pharmacological properties of tea compounds and multiple associated diseases. Molecular docking experiment with eight tea compounds and all 30 proteins revealed that except gallic acid all other seven phytochemicals had potential inhibitory activities against these targets. The docking experiment was validated by comparing the binding affinities (Kcal mol-1) of the compounds with known drug molecules for the respective proteins. Further, with the aid of the application of statistical tools (principal component analysis and clustering), we identified two major clusters of phytochemicals based on their chemical properties and docking scores (Kcal mol-1). Pharmacophore analysis of these clusters revealed the functional descriptors of phytochemicals, related to the ligand-protein docking interactions. Tripartite network was constructed based on the docking scores, and it consisted of seven tea phytochemicals (gallic acid was excluded) targeting five proteins and ten associated diseases. Epicatechin gallate (ECG)-hepatocyte growth factor receptor (PDB id 1FYR) complex was found to be highest in docking performance (10 kcal mol-1). Finally, molecular dynamic simulation showed that ECG-1FYR could make a stable complex in the near-native physiological condition.
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Affiliation(s)
- Anish Nag
- Department of Life Sciences, Christ (Deemed to be University), Bangalore, India.
| | - Nikhil Dhull
- Department of Life Sciences, Christ (Deemed to be University), Bangalore, India
| | - Ashmita Gupta
- Department of Life Sciences, Christ (Deemed to be University), Bangalore, India
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Purification and Identification of a Novel Angiotensin Converting Enzyme Inhibitory Peptide from the Enzymatic Hydrolysate of Lepidotrigla microptera. Foods 2022; 11:foods11131889. [PMID: 35804705 PMCID: PMC9265830 DOI: 10.3390/foods11131889] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 01/27/2023] Open
Abstract
In this study, Lepidotrigla microptera were hydrolyzed with four different proteolytic enzymes (Papain, neutrase, flavourzyme, and alcalase), and their distribution of molecular weights and ACE-inhibitory activity were tested. The alcalase hydrolysates showed the maximum ACE-inhibitory activity. A novel ACE-inhibitory peptide was isolated and purified from Lepidotrigla microptera protein hydrolysate (LMPH) using ultrafiltration, gel filtration chromatography, and preparative high performance liquid chromatography (prep-HPLC). The amino acid sequence of the purified peptide was identified as Phe-Leu-Thr-Ala-Gly-Leu-Leu-Asp (DLTAGLLE), and the IC50 value was 0.13 mg/mL. The ACE-inhibitory activity of DLTAGLLE was stable across a range of temperatures (<100 °C) and pH values (3.0−11.0) and retained after gastrointestinal digestion. DLTAGLLE was further identified as a noncompetitive inhibitor by Lineweaver−Burk plot. The molecular docking simulation showed that DLTAGLLE showed a high binding affinity with ACE sites by seven short hydrogen bonds. As the first reported antihypertensive peptide extracted from alcalase hydrolysate of Lepidotrigla microptera, DLTAGLLE has the potential to develop functional food or novel ACE-inhibitor drugs.
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Chen D, Jin Y, Hu D, Ye J, Lu Y, Dai Z. One-Step Preparative Separation of Fucoxanthin from Three Edible Brown Algae by Elution-Extrusion Countercurrent Chromatography. Mar Drugs 2022; 20:257. [PMID: 35447930 PMCID: PMC9024483 DOI: 10.3390/md20040257] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 02/07/2023] Open
Abstract
A method for batch preparation of fucoxanthin from brown algae was established, which possessed the advantages of high yield and high purity. The ultrasonic-assisted extraction method was used to obtain a crude extract from Sargassum fusiforme as the separation sample. Then the crude extract was separated by elution-extrusion countercurrent chromatography. The optimum preparation conditions of fucoxanthin were determined as follows: n-hexane-ethanol-water (20:9:11, v:v:v) as a two-phase solvent system, the mobile phase flow rate was 5 mL min-1, the revolution speed was 800 r min-1, the loading capacity was 60 mg 10 mL-1 and the temperature was 25 °C. By this method, 12.8 mg fucoxanthin with a purity of 94.72% was obtained from the crude extract of Sargassum fusiforme. In addition, when the loading capacity was 50 mg 10 mL-1, the purity of fucoxanthin reached 96.01%. Two types of by-products, chlorophyll and pheophytin, could also be obtained during the process of separation. This optimal method was further applied to separate fucoxanthin from Laminaria japonica and Undaria pinnatifida, and 6.0 mg and 9.7 mg fucoxanthin with a purity of 96.24% and 92.62% were acquired, respectively. Therefore, it was demonstrated that the preparation method of fucoxanthin established in this study had an applicability to brown algae, which improved the utilization value of raw materials.
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Affiliation(s)
| | | | | | | | - Yanbin Lu
- Key Laboratory of Aquatic Products Processing of Zhejiang Province, Collaborative Innovation Center of Seafood Deep Processing, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310012, China; (D.C.); (Y.J.); (D.H.); (J.Y.); (Z.D.)
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