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Ouerghi N, Abassi W, Jebabli N, Feki M, Bouassida A, Weiss K, Rosemann T, Knechtle B. Crocus Sativus Linnaeus (Saffron) intake does not affect physiological and perceptual responses during a repeated sprint test in healthy active young males. BMC Res Notes 2024; 17:246. [PMID: 39227898 PMCID: PMC11373116 DOI: 10.1186/s13104-024-06918-1] [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: 06/22/2024] [Accepted: 08/28/2024] [Indexed: 09/05/2024] Open
Abstract
The study aimed to investigate the effects of acute ingestion of saffron (SAF) on physiological (i.e., heart rate and blood lactate) and perceptual (i.e., ratings of perceived exertion [RPE] and feeling scale) measures in response to a repeated-sprint ability test (RSS) in healthy young males (N = 22; mean ± SD: age, 21.7 ± 1.24 yrs.). All participants completed two experimental trials with a one-week washout period using a double-blind, placebo-controlled, crossover design. In each session, the participants were randomly chosen to receive either a capsule of saffron (300 mg) (SAF session) or a capsule of lactose (PLB session) two hours before performing the RSS.No significant differences (p > 0.05) were found for heart rate, RPE, and feeling scale between the SAF or PLB sessions at pre- and post-RSS. There were no significant changes (p > 0.05) in peak time, total time, fatigue index, and blood lactate in either the SAF or PLB sessions. Acute SAF ingestion did not significantly improve RSS performance nor physiological and perceptual measures in active young males. Future trials should address the topic by using shortened/prolonged higher doses of SAF on biological, physical, physiological, and perceptual responses to acute and chronic exercise.
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Affiliation(s)
- Nejmeddine Ouerghi
- Research Unit "Sport Sciences, Health and Movement" (UR22JS01) High Institute of Sport and Physical Education of Kef, University of Jendouba, Kef, 7100, Tunisia
- Faculty of Medicine of Tunis, University of Tunis El Manar, Rabta Hospital, Tunis, LR99ES11, 1007, Tunisia
- University of Gafsa, High Institute of Sport and Physical Education of Gafsa, Gafsa, 2100, Tunisia
| | - Wissal Abassi
- Research Unit "Sport Sciences, Health and Movement" (UR22JS01) High Institute of Sport and Physical Education of Kef, University of Jendouba, Kef, 7100, Tunisia
| | - Nidhal Jebabli
- Research Unit "Sport Sciences, Health and Movement" (UR22JS01) High Institute of Sport and Physical Education of Kef, University of Jendouba, Kef, 7100, Tunisia
| | - Moncef Feki
- Faculty of Medicine of Tunis, University of Tunis El Manar, Rabta Hospital, Tunis, LR99ES11, 1007, Tunisia
| | - Anissa Bouassida
- Research Unit "Sport Sciences, Health and Movement" (UR22JS01) High Institute of Sport and Physical Education of Kef, University of Jendouba, Kef, 7100, Tunisia
| | - Katja Weiss
- Institute of Primary Care, University of Zurich, Zurich, 8000, Switzerland
| | - Thomas Rosemann
- Institute of Primary Care, University of Zurich, Zurich, 8000, Switzerland
| | - Beat Knechtle
- Institute of Primary Care, University of Zurich, Zurich, 8000, Switzerland.
- Medbase St. Gallen Am Vadianplatz, Vadianstrasse 26, St. Gallen, 9000, Switzerland.
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Khazdair MR. Crocus sativus (Saffron): A potential multifunctional therapeutic agent for neurodegenerative disorders. J Biomed Res 2024; 38:1-3. [PMID: 39148255 DOI: 10.7555/jbr.38.20240131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024] Open
Affiliation(s)
- M R Khazdair
- Pharmaceutical Science and Clinical Physiology, Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand 9717853111, Iran
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García CJ, Beltrán D, Frutos-Lisón MD, García-Conesa MT, Tomás-Barberán FA, García-Villalba R. New findings in the metabolism of the saffron apocarotenoids, crocins and crocetin, by the human gut microbiota. Food Funct 2024. [PMID: 39171480 DOI: 10.1039/d4fo02233e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
The main constituents of saffron are the apocarotenoids crocins and crocetin, present in the stigmas. Numerous healthy properties, especially those related to the effects on the central nervous system, have been attributed to these compounds but the metabolites responsible for these effects are still unknown. Previous evidences in animal models suggest a role for the gut microbiota in the pharmacokinetics and the neuroprotective effects of these compounds. However, the interaction between these apocarotenoids and the gut microbiota has been poorly studied. In this article, we have thoroughly investigated the batch fermentation of crocin-1 and crocetin (10 μM) with human fecal samples of two donors at different incubation times (0-240 h) using a metabolomic approach. We corroborated a rapid transformation of crocin-1 which looses the glucose molecules through de-glycosylation reactions until its complete transformation into crocetin in 6 hours. A group of intermediate crocins with different degrees of glycosylation were detected in a very short time. Crocetin was further metabolized and new microbial metabolites produced by double-bond reduction and demethylation reactions were identified for the first time: dihydro and tetrahydro crocetins and di-demethyl crocetin. In addition, we detected changes in the levels of the short chain fatty acids valeric acid and hexanoic acid suggesting further structural modifications of crocetin or changes in the catabolic production of these compounds. This research is a pioneering study of the action of the human gut microbiota on the saffron apocarotenoids and goes one step further towards the discovery of metabolites potentially involved in the benefits of saffron.
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Affiliation(s)
- Carlos Javier García
- Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
| | - David Beltrán
- Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
| | - Maria Dolores Frutos-Lisón
- Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
| | - Maria Teresa García-Conesa
- Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
| | - Francisco A Tomás-Barberán
- Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
| | - Rocío García-Villalba
- Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
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Marrone G, Urciuoli S, Di Lauro M, Cornali K, Montalto G, Masci C, Vanni G, Tesauro M, Vignolini P, Noce A. Saffron ( Crocus sativus L.) and Its By-Products: Healthy Effects in Internal Medicine. Nutrients 2024; 16:2319. [PMID: 39064764 PMCID: PMC11279474 DOI: 10.3390/nu16142319] [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: 06/21/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Crocus sativus L., commonly known as saffron, is a precious spice coming from Asia, in particular from Iran, the country leader in its production. The spice is derived exclusively from dried stigmas and it is the most expensive one in the world. The areas of application of saffron are multiple, in fact ranging across the food, drinks, pharmaceuticals and cosmetics sectors. As is the case with other phytochemicals, not only the final product but also saffron by-products are considered a valuable source of bioactive natural compounds. In fact, its healthy effects, especially as antioxidants and anti-inflammatories (via reducing pro-inflammatory cytokines), are well-recognized in internal medicine. In particular, its healthy effects are related to counteracting degenerative maculopathy, depression and anxiety, neurodegenerative diseases, metabolic syndrome, cancer and chronic kidney disease, by promoting glucose metabolism. In this review, we summarize the most important papers in which saffron has turned out to be a valuable ally in the prevention and treatment of these pathologies. Moreover, we would like to promote the use of saffron by-products as part of a bio-circular economy system, aimed at reducing wastes, at maximizing the use of resources and at promoting environmental and economic sustainability.
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Affiliation(s)
- Giulia Marrone
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (C.M.); (M.T.)
| | - Silvia Urciuoli
- PHYTOLAB Laboratory (Pharmaceutical, Cosmetic, Food Supplement, Technology and Analysis), Department of Statistics, Computer Science, Applications “Giuseppe Parenti” (DiSIA), University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy; (S.U.); (P.V.)
| | - Manuela Di Lauro
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (C.M.); (M.T.)
| | - Kevin Cornali
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (C.M.); (M.T.)
| | - Giulia Montalto
- School of Specialization in Nephrology, University of Rome Tor Vergata, 00133 Rome, Italy;
| | - Claudia Masci
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (C.M.); (M.T.)
| | - Gianluca Vanni
- Breast Unit Policlinico Tor Vergata, Department of Surgical Science, Tor Vergata University, Viale Oxford 81, 00133 Rome, Italy;
| | - Manfredi Tesauro
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (C.M.); (M.T.)
| | - Pamela Vignolini
- PHYTOLAB Laboratory (Pharmaceutical, Cosmetic, Food Supplement, Technology and Analysis), Department of Statistics, Computer Science, Applications “Giuseppe Parenti” (DiSIA), University of Florence, Via Ugo Schiff 6, Sesto Fiorentino, 50019 Florence, Italy; (S.U.); (P.V.)
| | - Annalisa Noce
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (C.M.); (M.T.)
- Nephrology and Dialysis Unit, Policlinico Tor Vergata, 00133 Rome, Italy
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Pal R, Mukherjee S, Khan A, Nathani M, Maji S, Tandey R, Das S, Patra A, Mandal V. A critical appraisal on the involvement of plant-based extracts as neuroprotective agents (2012-2022): an effort to ease out decision-making process for researchers. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03266-6. [PMID: 38985312 DOI: 10.1007/s00210-024-03266-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Accepted: 06/28/2024] [Indexed: 07/11/2024]
Abstract
The purpose of this review study is to provide a condensed compilation of 164 medicinal plants that have been investigated for their neuroprotective aspects by researchers between the years 2012 and 2022 which also includes a recent update of 2023-2024. After using certain keywords to retrieve the data from SCOPUS, it was manually sorted to eliminate any instances of duplication. The article is streamlined into three major segments. The first segment takes a dig into the current global trend and attempts to decrypt vital information related to plant names, families, plant parts used, and neurological disorders investigated. The second segment of the article makes an attempt to present a comprehensive insight into the various mechanistic pathways through which phytochemicals can intervene to exert neuroprotection. The final segment of the manuscript is a bibliometric appraisal of all researches conducted. The study is based on 256 handpicked articles based on decided inclusion criteria. Illustrative compilation of various pathways citing their activation and deactivation channels are also presented with possible hitting points of various phytochemicals. The present study employed Microsoft Excel 2019 and VOS viewer as data visualisation tools.
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Affiliation(s)
- Riya Pal
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Souvik Mukherjee
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Altamash Khan
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Mansi Nathani
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Sayani Maji
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Roshni Tandey
- Department of B. Pharm Ayurveda, Delhi Pharmaceutical Sciences and Research University, Sector-3, MB Road, Pushp Vihar, New Delhi, 110017, India
| | - Sinchan Das
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Arjun Patra
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India
| | - Vivekananda Mandal
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur, C.G, 495009, India.
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Liu Z, Liu W, Han M, Wang M, Li Y, Yao Y, Duan Y. A comprehensive review of natural product-derived compounds acting on P2X7R: The promising therapeutic drugs in disorders. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155334. [PMID: 38554573 DOI: 10.1016/j.phymed.2023.155334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 12/30/2023] [Indexed: 04/01/2024]
Abstract
BACKGROUND The P2X7 receptor (P2X7R) is known to play a significant role in regulating various pathological processes associated with immune regulation, neuroprotection, and inflammatory responses. It has emerged as a potential target for the treatment of diseases. In addition to chemically synthesized small molecule compounds, natural products have gained attention as an important source for discovering compounds that act on the P2X7R. PURPOSE To explore the research progress made in the field of natural product-derived compounds that act on the P2X7R. METHODS The methods employed in this review involved conducting a thorough search of databases, include PubMed, Web of Science and WIKTROP, to identify studies on natural product-derived compounds that interact with P2X7R. The selected studies were then analyzed to categorize the compounds based on their action on the receptor and to evaluate their therapeutic applications, chemical properties, and pharmacological actions. RESULTS The natural product-derived compounds acting on P2X7R can be classified into three categories: P2X7R antagonists, compounds inhibiting P2X7R expression, and compounds regulating the signaling pathway associated with P2X7R. Moreover, highlight the therapeutic applications, chemical properties and pharmacological actions of these compounds, and indicate areas that require further in-depth study. Finally, discuss the challenges of the natural products-derived compounds exploration, although utilizing compounds from natural products for new drug research offers unique advantages, problems related to solubility, content, and extraction processes still exist. CONCLUSION The detailed information in this review will facilitate further development of P2X7R antagonists and potential therapeutic strategies for P2X7R-associated disorders.
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Affiliation(s)
- Zhenling Liu
- Children's Hospital Affiliated to Zhengzhou University, Zhengzhou University, Zhengzhou 450018, China
| | - Wenjin Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Mengyao Han
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Mingzhu Wang
- Children's Hospital Affiliated to Zhengzhou University, Zhengzhou University, Zhengzhou 450018, China
| | - Yinchao Li
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Yongfang Yao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; Pingyuan Laboratory (Zhengzhou University), Zhengzhou 450001, China; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou 450001, China.
| | - Yongtao Duan
- Children's Hospital Affiliated to Zhengzhou University, Zhengzhou University, Zhengzhou 450018, China; Henan International Joint Laboratory of Prevention and Treatment of Pediatric Diseases, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou University, Zhengzhou 450018, China; Henan Neurodevelopment Engineering Research Center for Children, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou University, Zhengzhou 450018, China.
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Bej E, Volpe AR, Cesare P, Cimini A, d'Angelo M, Castelli V. Therapeutic potential of saffron in brain disorders: From bench to bedside. Phytother Res 2024; 38:2482-2495. [PMID: 38446350 DOI: 10.1002/ptr.8169] [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: 11/30/2023] [Revised: 01/26/2024] [Accepted: 02/05/2024] [Indexed: 03/07/2024]
Abstract
Saffron is a spice derived from the flower of Crocus sativus L., which has been used for centuries as a coloring and flavoring agent, as well as a source of medicinal compounds. Saffron contains various bioactive constituents, such as crocin, crocetin, safranal, picrocrocin, and kaempferol, that have shown potential benefits for human health. Among them, crocin is the most abundant and characteristic constituent of saffron, responsible for its bright red color and antioxidant properties. One of the most promising applications of saffron and its constituents is in the prevention and treatment of neurological disorders, such as depression, anxiety, Alzheimer's disease, Parkinson's disease, and other brain disorders. Saffron and its constituents have been reported to exert neuroprotective effects through various mechanisms, such as modulating neurotransmitters, enhancing neurogenesis, reducing neuroinflammation, regulating oxidative stress, activating the Nrf2 signaling pathway, and modulating epigenetic factors. Several clinical and preclinical studies have demonstrated the efficacy and safety of saffron and its constituents in improving cognitive function, mood, and other neurological outcomes. In this review, we summarize the current evidence on the therapeutic potential of saffron and its constituents in neurological disorders, from bench to bedside. We also discuss the challenges and future directions for the development of saffron-based therapies for brain health.
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Affiliation(s)
- Erjola Bej
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Anna Rita Volpe
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Patrizia Cesare
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Annamaria Cimini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Michele d'Angelo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Vanessa Castelli
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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Han S, Cao Y, Wu X, Xu J, Nie Z, Qiu Y. New horizons for the study of saffron (Crocus sativus L.) and its active ingredients in the management of neurological and psychiatric disorders: A systematic review of clinical evidence and mechanisms. Phytother Res 2024; 38:2276-2302. [PMID: 38424688 DOI: 10.1002/ptr.8110] [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: 07/04/2023] [Revised: 11/27/2023] [Accepted: 12/16/2023] [Indexed: 03/02/2024]
Abstract
Saffron (Crocus sativus), as an herbal medicine, has been extensively investigated for treating neurological and psychiatric disorders. This systematic review aimed to assess the overall effects of saffron on cognition, depression, anxiety, sleep disorders, attention-deficit/hyperactivity disorder (ADHD), and obsessive-compulsive disorder (OCD). Relevant randomized controlled trials (RCTs) were identified by searching PubMed/Medline, Web of Science, and Clinical Trials databases up to June 2023 according to search terms and inclusion criteria. The participants were either healthy or suffering from some diseases, including neurological and psychiatric disorders, and consumed saffron or its extracts as an intervention. The risk of bias was assessed according to the Cochrane guidelines, and the PRISMA statement was followed. The meta-analysis was performed using RevMan and STATA software. A random-effects or fixed-effects model was used to calculate the pooled effect sizes. Forty-six RCTs were enrolled, and the duration of these trials ranged from 4 to 48 weeks with saffron or its extracts, both alone or in combination with conventional drugs. Saffron was more effective than placebo in improving cognition, depression with an overall effect size of -4.26 (95% CI: -5.76, -2.77), anxiety of -3.75 (95% CI: -5.83, -1.67), and sleep disorders of -1.91 (95% CI: -2.88, -0.93). Saffron was non-inferior to conventional drugs for treating cognitive disorders, depression, anxiety, ADHD, and OCD, and it exhibited good tolerance with few side effects. Saffron may exert protective roles for neurological and psychiatric disorders and represents a relatively favorable and safe treatment.
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Affiliation(s)
- Shufen Han
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Yifei Cao
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Xingrong Wu
- Male Department of General Psychiatry, Shanxi Provincial Mental Health Center and Taiyuan Psychiatric Hospital, Taiyuan, Shanxi, People's Republic of China
| | - Jiaoyang Xu
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Zizheng Nie
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Yue Qiu
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
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Tsai PK, Chiang CY, Wang TC, Yeh KL, Chen WY, Chen CJ, Tseng CC, Deng LH, Tzen JTC, Lu YC, Kuan YH. Wogonin induces apoptosis in macrophages by exhibiting cytotoxic and genotoxic effects. ENVIRONMENTAL TOXICOLOGY 2024; 39:2927-2936. [PMID: 38303669 DOI: 10.1002/tox.24150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/05/2024] [Accepted: 01/18/2024] [Indexed: 02/03/2024]
Abstract
Macrophages play an important role in defending the body against invading pathogens. In the face of pathogens, macrophages become activated and release toxic materials that disrupt the pathogens. Macrophage overactivation can lead to severe illness and inflammation. Wogonin has several therapeutic effects, including anti-inflammatory, anticancer, antioxidant, and neuroprotective effects. No studies have investigated the cytotoxic effects of wogonin at concentrations of more than 0.1 mM in RAW264.7 cells. In this study, RAW 264.7 cells were treated with wogonin, which, at concentrations of more than 0.1 mM, had cytotoxic and genotoxic effects in the RAW264.7 cells, leading to apoptosis and necrosis. Further, wogonin at concentrations of more than 0.1 mM induced caspase-3, caspase-8, and caspase-9 activation and mitochondrial dysfunction and death receptor expression. These results suggest that wogonin induces apoptosis through upstream intrinsic and extrinsic pathways by exhibiting cytotoxic and genotoxic effects.
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Affiliation(s)
- Ping-Kun Tsai
- Department of Internal Medicine, Zuoying Armed Forces General Hospital, Kaohsiung, Taiwan
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Emergency Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
- Department of Nursing, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
| | - Chen-Yu Chiang
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Tzu-Ching Wang
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Kun-Lin Yeh
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Wen-Ying Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chun-Jung Chen
- Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ching-Chi Tseng
- Department of Dermatology, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Dermatology, Shiso Municipal Hospital, Hyogo, Japan
| | - Lie-Hua Deng
- Department of Dermatology, The First Affiliated Hospital of Jinan University and Jinan University Institute of Dermatology, Guangzhou, China
- Department of Dermatology, The Fifth Affiliated Hospital of Jinan University, Heyuan, China
| | - Jason Tze Cheng Tzen
- Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan
| | - Yin-Che Lu
- Min-Hwei Junior College of Health Care Management, Tainan, Taiwan
- Division of Hematology-Oncology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
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Liu J, Yang Y, Qi Y. Effect of saffron supplementation on the glycemic outcomes in diabetes: a systematic review and meta-analysis. Front Nutr 2024; 11:1349006. [PMID: 38559777 PMCID: PMC10978759 DOI: 10.3389/fnut.2024.1349006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
Aim This meta-analysis was conducted to investigate the impact of saffron supplementation on the glycemic outcomes in patients with diabetes. Methods Eight electronic databases were systematically searched from inception to March 31, 2023. RCTs of patients with diabetes receiving saffron compared with placebo which reported glycemic control outcomes were identified. WMD and 95% CIs were pooled using fixed-effects or random-effects models, depending on the significance of heterogeneity. Results Out of the 837 citations screened, ten RCTs were included in the systematic review and meta-analysis. A total of 562 participants were enrolled, with 292 assigned to the intervention group and 270 to the control group. Saffron was administered at a dose of 5 mg/day to 1 g/day. Compared with placebo, saffron supplementation significantly reduced FPG (WMD = -8.42 mg/dL; 95% CI: -13.37, -3.47; p = 0.001) and HbA1c (WMD = -0.22%; 95% CI: -0.33, -0.10; p < 0.001). However, there was no significant effect on insulin levels, QUICKI and HOMA-IR. Conclusion Saffron is effective for patients with diabetes in terms of FPG and HbA1c, therefore, it appears to be a promising adjuvant for the glycemic control of DM. However, the overall methodological quality of the identified studies is heterogeneous, limiting the interpretation of the benefit of saffron in diabetes. More long-term follow-up, well-designed and large-scale clinical trials are warranted to draw definitive conclusions. Systematic review registration The protocol of review was registered in International Prospective Register of Systematic Reviews (PROSPERO) (ID: CRD42023426353).
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Affiliation(s)
- Jiaxin Liu
- Department of Endocrinology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Yang Yang
- Department of Endocrinology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Yun Qi
- Department of Endocrinology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
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Hamedani SG, Pourmasoumi M, Zarifi SH, Askari G, Jamialahmadi T, Bagherniya M, Sahebkar A. Therapeutic effects of saffron and its components on neurodegenerative diseases. Heliyon 2024; 10:e24334. [PMID: 38298664 PMCID: PMC10827773 DOI: 10.1016/j.heliyon.2024.e24334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 02/02/2024] Open
Abstract
Due to an increase in the number of older people in recent years, neurodegenerative diseases as the most important age-related neurological disorders are considered as a great threat to human health. The treatment strategies for these disorders are symptomatic and there is no known definitive treatment; however, recently, several studies have investigated the effectiveness of some herbs and their components in limiting the progression and treatment of neurodegenerative disorders. In this study, we searched Medline (via PubMed), Scopus, Science Direct, and Google Scholar databases. The keywords used in the search were: saffron [title/abstract] or (saffron compound [title/abstract]) and (neurological disorders [title/abstract]), publication date range (2010-2023), and language (English). After applying inclusion and exclusion criteria, 30 articles remained. Of the 30 articles included in the study, six studies on the treatment of neurodegenerative disorders by saffron and its components were in the clinical trial phase, and 24 studies were in the preclinical phase. Saffron and its compounds can play an important role in inhibiting neuroinflammation and excitotoxic pathways, modulating autophagy and apoptosis, attenuating oxidative damage, and activating defensive antioxidant enzymes, resulting in neuroprotection against neurodegenerative diseases. Therefore, this study aimed to review the studies on the effects of saffron and its compounds on the treatment of neurodegenerative diseases.
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Affiliation(s)
- Sahar Golpour- Hamedani
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of medical science, Iran
| | - Makan Pourmasoumi
- Gastrointestinal & Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | | | - Gholamreza Askari
- Nutrition and Food Security Research Center and Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
- Anesthesia and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Tannaz Jamialahmadi
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Bagherniya
- Nutrition and Food Security Research Center and Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
- Anesthesia and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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12
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Hosseini A, Mobasheri L, Rakhshandeh H, Rahimi VB, Najafi Z, Askari VR. Edible Herbal Medicines as an Alternative to Common Medication for Sleep Disorders: A Review Article. Curr Neuropharmacol 2024; 22:1205-1232. [PMID: 37345244 PMCID: PMC10964091 DOI: 10.2174/1570159x21666230621143944] [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: 10/29/2022] [Revised: 02/04/2023] [Accepted: 02/10/2023] [Indexed: 06/23/2023] Open
Abstract
Insomnia is repeated difficulty in falling asleep, maintaining sleep, or experiencing lowquality sleep, resulting in some form of daytime disturbance. Sleeping disorders cause daytime fatigue, mental confusion, and over-sensitivity due to insufficient recovery from a sound sleep. There are some drugs, such as benzodiazepines and anti-histaminic agents, which help to sleep induction and insomnia cure. However, the prolonged administration is unsuitable because of tolerance and dependence. Therefore, the researchers attempt to find new medicines with lesser adverse effects. Natural products have always been good sources for developing new therapeutics for managing diseases such as cancer, cardiovascular disease, diabetes, insomnia, and liver and renal problems. Ample research has justified the acceptable reason and relevance of the use of these herbs in the treatment of insomnia. It is worth noting that in this study, we looked into various Persian herbs in a clinical trial and in vivo to treat insomnia, such as Artemisia annua, Salvia reuterana, Viola tricolor, Passiflora incarnata, lettuce, and Capparis spinose. According to research, herb extracts and fractions, particularly n-butanol fractions with non-polar agents, impact the benzodiazepine receptors and have hypnotic properties. Also, alkaloids, glycosides, flavonoids, saponins, and tannins in practically every plant are mentioned making them the popular natural compounds to help with sleep disorders and promote calmness.
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Affiliation(s)
- Azar Hosseini
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad Iran
| | - Leila Mobasheri
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad Iran
| | - Hassan Rakhshandeh
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad Iran
| | - Vafa Baradaran Rahimi
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zohreh Najafi
- Division of Biotechnology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Reza Askari
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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13
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Nishida Y, Berg PC, Shakersain B, Hecht K, Takikawa A, Tao R, Kakuta Y, Uragami C, Hashimoto H, Misawa N, Maoka T. Astaxanthin: Past, Present, and Future. Mar Drugs 2023; 21:514. [PMID: 37888449 PMCID: PMC10608541 DOI: 10.3390/md21100514] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/18/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023] Open
Abstract
Astaxanthin (AX), a lipid-soluble pigment belonging to the xanthophyll carotenoids family, has recently garnered significant attention due to its unique physical properties, biochemical attributes, and physiological effects. Originally recognized primarily for its role in imparting the characteristic red-pink color to various organisms, AX is currently experiencing a surge in interest and research. The growing body of literature in this field predominantly focuses on AXs distinctive bioactivities and properties. However, the potential of algae-derived AX as a solution to various global environmental and societal challenges that threaten life on our planet has not received extensive attention. Furthermore, the historical context and the role of AX in nature, as well as its significance in diverse cultures and traditional health practices, have not been comprehensively explored in previous works. This review article embarks on a comprehensive journey through the history leading up to the present, offering insights into the discovery of AX, its chemical and physical attributes, distribution in organisms, and biosynthesis. Additionally, it delves into the intricate realm of health benefits, biofunctional characteristics, and the current market status of AX. By encompassing these multifaceted aspects, this review aims to provide readers with a more profound understanding and a robust foundation for future scientific endeavors directed at addressing societal needs for sustainable nutritional and medicinal solutions. An updated summary of AXs health benefits, its present market status, and potential future applications are also included for a well-rounded perspective.
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Affiliation(s)
- Yasuhiro Nishida
- Fuji Chemical Industries, Co., Ltd., 55 Yokohoonji, Kamiich-machi, Nakaniikawa-gun, Toyama 930-0405, Japan
| | | | - Behnaz Shakersain
- AstaReal AB, Signum, Forumvägen 14, Level 16, 131 53 Nacka, Sweden; (P.C.B.); (B.S.)
| | - Karen Hecht
- AstaReal, Inc., 3 Terri Lane, Unit 12, Burlington, NJ 08016, USA;
| | - Akiko Takikawa
- First Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan;
| | - Ruohan Tao
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Yumeka Kakuta
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Chiasa Uragami
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Hideki Hashimoto
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Norihiko Misawa
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Suematsu, Nonoichi-shi 921-8836, Japan;
| | - Takashi Maoka
- Research Institute for Production Development, 15 Shimogamo-morimoto-cho, Sakyo-ku, Kyoto 606-0805, Japan
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Singh G, Brim H, Haileselassie Y, Varma S, Habtezion A, Rashid M, Sinha SR, Ashktorab H. Microbiomic and Metabolomic Analyses Unveil the Protective Effect of Saffron in a Mouse Colitis Model. Curr Issues Mol Biol 2023; 45:5558-5574. [PMID: 37504267 PMCID: PMC10378474 DOI: 10.3390/cimb45070351] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/08/2023] [Accepted: 06/08/2023] [Indexed: 07/29/2023] Open
Abstract
Despite the existence of effective drugs used to treat inflammatory bowel disease (IBD), many patients fail to respond or lose response over time. Further, many drugs can carry serious adverse effects, including increased risk of infections and malignancies. Saffron (Crocus sativus) has been reported to have anti-inflammatory properties. Its protective role in IBD and how the microbiome and metabolome play a role has not been explored extensively. We aimed to establish whether saffron treatment modulates the host microbiome and metabolic profile in experimental colitis. Colitis was induced in C57BL/6 mice with 3% DSS and treated with either saffron in a dose of 20 mg/kg body weight or vehicle through daily gavage. On day 10, stool pellets from mice were collected and analyzed to assess saffron's effect on fecal microbiota and metabolites through 16S rRNA sequencing and untargeted primary metabolite analysis. Saffron treatment maintained gut microbiota homeostasis by counter-selecting pro-inflammatory bacteria and maintained Firmicutes/Bacteroides ratio, which was otherwise disturbed by DSS treatment. Several metabolites (uric acid, cholesterol, 2 hydroxyglutaric acid, allantoic acid, 2 hydroxyhexanoic acid) were altered significantly with saffron treatment in DSS-treated mice, and this might play a role in mediating saffron's colitis-mitigating effects. These data demonstrate saffron's therapeutic potential, and its protective role is modulated by gut microbiota, potentially acting through changes in metabolites.
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Affiliation(s)
- Gulshan Singh
- Division of Gastroenterology and Hepatology, School of Medicine, Stanford University, Palo Alto, CA 94305, USA
| | - Hassan Brim
- Department of Pathology, Howard University College of Medicine, Washington, DC 20059, USA
| | - Yeneneh Haileselassie
- Division of Gastroenterology and Hepatology, School of Medicine, Stanford University, Palo Alto, CA 94305, USA
| | - Sudhir Varma
- Hithru Analytics LLC, Silver Spring, MD 20877, USA
| | - Aida Habtezion
- Division of Gastroenterology and Hepatology, School of Medicine, Stanford University, Palo Alto, CA 94305, USA
| | - Mudasir Rashid
- Department of Pathology and Cancer Center, College of Medicine, Howard University College of Medicine, Washington, DC 20059, USA
| | - Sidhartha R. Sinha
- Division of Gastroenterology and Hepatology, School of Medicine, Stanford University, Palo Alto, CA 94305, USA
| | - Hassan Ashktorab
- Department of Pathology and Cancer Center, College of Medicine, Howard University College of Medicine, Washington, DC 20059, USA
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15
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Cerdá-Bernad D, Valero-Cases E, Pérez-Llamas F, Pastor JJ, Frutos MJ. Underutilized Crocus Sativus L. Flowers: A Hidden Source of Sustainable High Value-Added Ingredients. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2023:10.1007/s11130-023-01065-7. [PMID: 37389716 PMCID: PMC10363081 DOI: 10.1007/s11130-023-01065-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Accepted: 04/10/2023] [Indexed: 07/01/2023]
Abstract
Crocus sativus L. is used as a spice due to its organoleptic characteristics. Only flower stigmas are used for its production, as the rest of the flower is discarded as waste. This fact represents a lack of sustainability, since around 230,000 flowers are necessary to produce 1 kg of saffron. The main aim of this study was to contribute to the valorization of Crocus sativus L. spice and its floral by-products, through the study of their nutritional value and composition, in terms of hydrophilic and lipophilic compounds, as well as their functional properties. The results showed that saffron stigmas and floral bio-residues presented high contents of fiber, and the most abundant macronutrient were the carbohydrates, followed by proteins, and a low content in fats. All samples had high concentrations of glucose, fructose, lactic and malic acids, and minerals, mainly K, Ca and Mg. Furthermore, the polyunsaturated fatty acids were predominant, being linoleic acid (C18:2n6) the most abundant. Therefore, this research provides more in-depth information about the composition of saffron stigmas and floral by-products, to be considered as promising sources for the development of functional ingredients with new applications in the food industry.
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Affiliation(s)
- Débora Cerdá-Bernad
- Agro-Food Technology Department, CIAGRO-UMH, Miguel Hernández University, Orihuela, 03312, Spain
| | - Estefanía Valero-Cases
- Agro-Food Technology Department, CIAGRO-UMH, Miguel Hernández University, Orihuela, 03312, Spain
| | | | - Joaquín Julián Pastor
- Engineering Department, CIAGRO-UMH, Miguel Hernández University, Orihuela, 03312, Spain
| | - María José Frutos
- Agro-Food Technology Department, CIAGRO-UMH, Miguel Hernández University, Orihuela, 03312, Spain.
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16
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Cerdá-Bernad D, Frutos MJ. Saffron Floral By-Products as Novel Sustainable Vegan Ingredients for the Functional and Nutritional Improvement of Traditional Wheat and Spelt Breads. Foods 2023; 12:2380. [PMID: 37372590 DOI: 10.3390/foods12122380] [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: 05/31/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Saffron (Crocus sativus L.) is a traditional Mediterranean plant whose stigmas are used to obtain the most expensive spice in the world. Nevertheless, there is a lack of sustainability in its production, since, to produce 1 kg of saffron, about 350 kg of tepals are discarded. Therefore, this study aimed to develop wheat and spelt breads enriched with saffron floral by-products at a ratio of 0, 2.5, 5, and 10% (w/w), respectively, and to evaluate their nutritional, physicochemical, functional, and sensory properties, as well as the stability of antioxidant compounds during the in vitro digestion. The results revealed that the addition of saffron floral by-products, especially at 10%, increased the dietary fiber content by 25-30% of traditional wheat and spelt breads; improved their mineral content (270-290 mg/100 g for K, 90-95 mg/100 g for Ca, 40-50 mg/100 g for Mg, and 15-18 mg/100 g for Fe); changed their textural properties; and significantly enhanced the phenolic content and antioxidant ability (at 5 and 10%), which remained stable throughout the in vitro oral and gastrointestinal digestion processes. From a sensory point of view, the addition of saffron flowers modified the organoleptic properties of breads. Thus, these novel vegan enriched breads could exert beneficial effects on human health after their intake, making saffron floral by-products suitable and sustainable ingredients to develop new functional foods such as healthier alternative vegan bakery products.
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Affiliation(s)
- Débora Cerdá-Bernad
- Research Group on Quality and Safety, Agro-Food Technology Department, CIAGRO-UMH, Centro de Investigación e Innovación Agroalimentaria y Agroambiental, Miguel Hernández University, 03312 Orihuela, Spain
| | - María José Frutos
- Research Group on Quality and Safety, Agro-Food Technology Department, CIAGRO-UMH, Centro de Investigación e Innovación Agroalimentaria y Agroambiental, Miguel Hernández University, 03312 Orihuela, Spain
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17
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Tsolaki M, Arcan C, Zahid S. Editorial: The role of natural products in neurological disorders. Front Neurol 2023; 14:1163282. [PMID: 37122298 PMCID: PMC10134746 DOI: 10.3389/fneur.2023.1163282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/14/2023] [Indexed: 05/02/2023] Open
Affiliation(s)
- Magda Tsolaki
- Alzheimer Hellas and Laboratory of Neurodegenerative Diseases, Center for Interdisciplinary Research and Innovation (CIRI-AUTh), Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Chrisa Arcan
- Epidemiology Division, Department of Family Medicine and Population Health, Virginia Commonwealth University Health System, Richmond, VA, United States
- *Correspondence: Chrisa Arcan
| | - Saadia Zahid
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
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18
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Cerdá-Bernad D, Pitterou I, Tzani A, Detsi A, Frutos MJ. "Novel chitosan/alginate hydrogels as carriers of phenolic-enriched extracts from saffron floral by-products using natural deep eutectic solvents as green extraction media". Curr Res Food Sci 2023; 6:100469. [PMID: 36926417 PMCID: PMC10011189 DOI: 10.1016/j.crfs.2023.100469] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/13/2023] [Accepted: 02/22/2023] [Indexed: 02/27/2023] Open
Abstract
The current saffron production system is generating several hundreds of tons of tepal waste, because only stigmas are used for food. Consequently, the valorization of saffron floral by-products by developing stable functional ingredients could lead to the environmental impact minimization. Thus, the main aim of this study was to develop innovative green extraction processes from saffron floral by-products by using Natural Deep Eutectic Solvents (NaDES) and ultrasound-assisted extraction (UAE) as ecological extraction method. Response surface methodology was used to optimize process parameters. To improve the stability of the optimal extracts, they were incorporated into chitosan/alginate hydrogels, studying their water-uptake and water retention capacity and the total phenolic content (TPC) during the in vitro digestion. The results indicated that the optimal extraction, regarding total phenolic and flavonoid content, was achieved in 20 min, using 180 W ultrasound power and 90% of NaDES. The results of the DPPH assay revealed the potent antioxidant activity of saffron floral by-products. The chitosan/alginate hydrogels incorporating the as-obtained NaDES extracts showed favorable properties whereas the TPC remained stable under intestinal conditions. Therefore, NaDES combined with UAE was an efficient technique to isolate high added-value compounds from saffron flowers, succeeding also the valorization of discarded waste by using green and low-cost strategies. Furthermore, these novel hydrogels could be used as promising candidates for food or cosmetic applications.
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Affiliation(s)
- Débora Cerdá-Bernad
- Agro-Food Technology Department, CIAGRO-UMH, Centro de Investigación e Innovación Agroalimentaria y Agroambiental, Miguel Hernández University, 03312, Orihuela, Spain
| | - Ioanna Pitterou
- Laboratory of Organic Chemistry, Department of Chemical Sciences, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
| | - Andromachi Tzani
- Laboratory of Organic Chemistry, Department of Chemical Sciences, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
| | - Anastasia Detsi
- Laboratory of Organic Chemistry, Department of Chemical Sciences, School of Chemical Engineering, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
| | - María José Frutos
- Agro-Food Technology Department, CIAGRO-UMH, Centro de Investigación e Innovación Agroalimentaria y Agroambiental, Miguel Hernández University, 03312, Orihuela, Spain
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