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Avcioglu NH. Enhanced bacterial cellulose production by Komagataeibacter species and Hibiscus sabdariffa herbal tea. Int J Biol Macromol 2024; 276:133904. [PMID: 39084992 DOI: 10.1016/j.ijbiomac.2024.133904] [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: 02/19/2024] [Revised: 07/07/2024] [Accepted: 07/14/2024] [Indexed: 08/02/2024]
Abstract
This study proposed Hibiscus sabdariffa as a novel substrate for BC production with Komagataeibacter species and their consortia. K. intermedius is found as the most efficient producer (5.98 g/L BC, 3.56 × 10-2 g-1 h-1 productivity rate) following K. maltaceti (4.44 g/L BC, 2.64 × 10-2 g-1 h-1 productivity rate) and K. nataicola (3.67 g/L BC, 2.18 × 10-2 g-1 h-1 productivity rate). Whereas agitation increased BC production with K. nataicola (1.22-fold, 4.49 g/L BC), K. maltaceti (1.24-fold, 5.52 g/L BC) and K. intermedius (1.27-fold, 7.63 g/L BC), irregular shaped BC was obtained. This could be a novel result as Komagataeibacter consortia increased BC production by 1.17-2.01-fold compared to monocultures resulting as 8.11 g/L BC through the co-cultivation of K. maltaceti-K. intermedius. Maximum increase was found to be 1.75-fold (1.79-fold WHC), occurring with monoculture of K. maltaceti, while 1.94-fold (1.26-fold WHC) with K. maltaceti-K. intermedius consortium when H. sabdariffa-based media compared Hestrin-Schramm media. Based on these results, this could be a novel result as H. sabdariffa-based media may replace the use of HS media in BC production by means of a bioactive content-rich plant and obtaining 3-D ultrafine porous structure with high thermal resistant (∼460-500 °C) BC with mono and co-cultivation of Komagataeibacter species to be used in industrial area.
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Affiliation(s)
- Nermin Hande Avcioglu
- Hacettepe University, Faculty of Science, Biology Department, Biotechnology Section, Beytepe, Ankara, Turkey.
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Felix Ávila P, Pereira Todescato A, de Melo Carolo Dos Santos M, Fernando Ramos L, Caroline Menon I, Oliveira Carvalho M, do Vale-Oliveira M, Beatriz Custódio F, Beatriz Abreu Gloria M, Martins Dala-Paula B, Francielli de Oliveira P. Anonna crassiflora suppresses colonic carcinogenesis through its antioxidant effects, bioactive amines, and phenol content in rats. Food Res Int 2024; 175:113666. [PMID: 38129019 DOI: 10.1016/j.foodres.2023.113666] [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: 07/26/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 12/23/2023]
Abstract
Marolo (Annona crassiflora) is an underutilized Brazilian Cerrado fruit with few reports in the literature about its bioactive compounds and functional properties. In this context, the chemoprevention against the carcinogen 1,2-dimethylhydrazine (DMH)-induced pre-neoplastic lesions in Wistar rat colon was investigated and correlated with marolo's antioxidant activity and the contents of phenolic compounds and bioactive amines. Total phenolic compounds (TPC) and total flavonoids compounds (TFC) were determined in the marolo pulp extract by spectrophotometric and Ultra-Performance Liquid Chromatography and diode array detection (UPLC-DAD) analysis. Free bioactive amines were determined by High Performance Liquid Chromatography and fluorescence detection (HPLC-FLD) after post column derivatization with o-phthalaldehyde. In addition, the in vitro antioxidant activity was determined by DPPH, and ABTS. Wistar rats were treated orally with marolo pulp at 0.7, 1.4 and 2.8 g/kg body weight (bw)/day added to a standard ration. Four subcutaneous injections of DMH (40 mg/kg bw) were used to induce a pre-neoplastic lesion that was assessed by the aberrant crypt foci (ACF) assay. The marolo pulp (fresh weigh) showed high content of total phenolic compounds (9.16 mg GAE/g), with predominance of chlorogenic acid (1.86 µg/g) and epicatechin (0.99 µg/g), and total flavonoids (7.26 mg CE/g), ∼85 % of the TPC. The marolo pulp had significant contents of tyramine (31.97 mg/kg), putrescine (20.65 mg/kg), and spermidine (6.32 mg/kg). The marolo pulp inhibited (p < 0.05) pre-neoplastic lesions induced by DMH administration at the all concentrations tested. These findings indicate that marolo pulp has a colon carcinogenesis chemopreventive effect, which could be due to, at least in parts, its antioxidant action associated with its phenolics and flavonoids content as well of spermidine.
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Affiliation(s)
- Patrícia Felix Ávila
- Programa de Pós-graduação em Nutrição e Longevidade, Universidade Federal de Alfenas, Alfenas, UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Angélica Pereira Todescato
- Programa de Pós-graduação em Nutrição e Longevidade, Universidade Federal de Alfenas, Alfenas, UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Mylena de Melo Carolo Dos Santos
- Laboratório de Genética Humana, Instituto de Ciências da Natureza, Universidade Federal de Alfenas - UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Luiz Fernando Ramos
- Laboratório de Genética Humana, Instituto de Ciências da Natureza, Universidade Federal de Alfenas - UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Isabella Caroline Menon
- Laboratório de Genética Humana, Instituto de Ciências da Natureza, Universidade Federal de Alfenas - UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Michele Oliveira Carvalho
- Programa de Pós-graduação em Nutrição e Longevidade, Universidade Federal de Alfenas, Alfenas, UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil; Laboratório de Genética Humana, Instituto de Ciências da Natureza, Universidade Federal de Alfenas - UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Maysa do Vale-Oliveira
- Universidade Federal do Espírito Santo (UFES) campus São Mateus, BR-101, km 60 - Litorâneo, São Mateus, ES 29932-540, Brazil; BioTox - Laboratório de Bioquímica e Toxicologia de Alimentos, Departamento de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais - UFMG, Av. Presidente Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG 31270-901, Brazil
| | - Flávia Beatriz Custódio
- BioTox - Laboratório de Bioquímica e Toxicologia de Alimentos, Departamento de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais - UFMG, Av. Presidente Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG 31270-901, Brazil
| | - Maria Beatriz Abreu Gloria
- Laboratório de Controle de Qualidade (LCQ), Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais - UFMG, Av. Presidente Antônio Carlos 6627, Pampulha, Belo Horizonte, MG 31270-901, Brazil
| | - Bruno Martins Dala-Paula
- Programa de Pós-graduação em Nutrição e Longevidade, Universidade Federal de Alfenas, Alfenas, UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil
| | - Pollyanna Francielli de Oliveira
- Programa de Pós-graduação em Nutrição e Longevidade, Universidade Federal de Alfenas, Alfenas, UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil; Laboratório de Genética Humana, Instituto de Ciências da Natureza, Universidade Federal de Alfenas - UNIFAL, Rua Gabriel Monteiro da Silva, 700, Centro, Alfenas, MG 37130-001, Brazil.
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Yagi S, Uba AI, Sinan KI, Piatti D, Sagratini G, Caprioli G, Eltigani SM, Lazarova I, Zengin G. Comparative Study on the Chemical Profile, Antioxidant Activity, and Enzyme Inhibition Capacity of Red and White Hibiscus sabdariffa Variety Calyces. ACS OMEGA 2023; 8:42511-42521. [PMID: 38024777 PMCID: PMC10652262 DOI: 10.1021/acsomega.3c05217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/06/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023]
Abstract
Hibiscus sabdariffa L. (Family: Malvaceae) is believed to be domesticated by the people of western Sudan sometime before 4000 BC for their nutritional and medicinal properties. This study aimed to investigate the chemical profile, antioxidant activity, and enzyme inhibition property of extracts from red roselle (RR) and white roselle (WR) varieties grown in Sudan. Three aqueous extracts obtained by maceration, infusion, and decoction, in addition to the methanolic one, were prepared from the two roselle varieties. Results showed that the highest total phenolic and flavonoid contents of RR were obtained from the extracts prepared by infusion (28.40 mg GAE/g) and decoction (7.94 mg RE/g) respectively, while those from the WR were recorded from the methanolic extract (49.59 mg GAE/g and 5.81 mg RE/g respectively). Extracts of RR were mainly characterized by high accumulation of chlorogenic acid (6502.34-9634.96 mg kg-1), neochlorogenic acid (937.57-8949.61 mg kg-1), and gallic acid (190-4573.55 mg kg-1). On the other hand, neochlorogenic acid (1777.05-6946.39 mg kg-1) and rutin (439.29-2806.01 mg kg-1) were the dominant compounds in WR. All extracts from RR had significant (p < 0.05) higher antioxidant activity than their respective WR except in their metal chelating power, where the methanolic extract of the latter showed the highest activity (3.87 mg EDTAE/g). RR extracts prepared by infusion recorded the highest antioxidant values (35.09, 52.17, 65.62, and 44.92 mg TE/g) in the DPPH (2,2-diphenyl-1-picrylhydrazyl), ABTS (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid), CUPRAC (cupric ion reducing antioxidant capacity), and FRAP (ferric reducing antioxidant power) assays, respectively. All aqueous extracts from the WR exerted significant (p < 0.05) acetylcholinesterase (AChE) inhibitory activity (3.42-4.77 mg GALAE/g; GALAE = galantamine equivalents), while only one extract, obtained by maceration, from RR exerted AChE inhibitory activity (4.79 mg GALAE/g). All extracts of the RR showed relatively higher BChE (butyrylcholinesterase) inhibitory activity (3.71-4.23 mg GALAE/g) than the WR ones. Methanolic extracts of the two roselle varieties displayed the highest Tyr (tyrosinase) inhibitory activity (RR = 48.25 mg KAE/g; WR = 42.71 mg KAE/g). The methanolic extract of RR exhibited the highest amylase (0.59 mmol ACAE/g) and glucosidase (1.46 mmol ACAE/g) inhibitory activity. Molecular docking analysis showed that delphinidin 3,5-diglucoside, rutin, isoquercitrin, hyperoside, and chlorogenic acid exerted the most promising enzyme inhibitory effect. In conclusion, these findings indicated that the chemical profiles and biological activity of roselle varied according to the variety, extraction solvent, and technique used. These two roselle varieties can serve as a valuable source for the development of multiple formulations in food, pharmaceutical, and cosmetic industries.
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Affiliation(s)
- Sakina Yagi
- Department
of Botany, Faculty of Science, University
of Khartoum, Khartoum 0001, Sudan
| | - Abdullahi Ibrahim Uba
- Department
of Molecular Biology and Genetics, Istanbul
AREL University, Istanbul 34537, Turkey
| | - Kouadio Ibrahime Sinan
- Physiology
and Biochemistry Laboratory, Department of Biology, Science Faculty, Selcuk University, Konya 42130, Turkey
| | - Diletta Piatti
- Department
of Botany, Faculty of Science, University
of Khartoum, Khartoum 0001, Sudan
| | - Gianni Sagratini
- Department
of Botany, Faculty of Science, University
of Khartoum, Khartoum 0001, Sudan
| | - Giovanni Caprioli
- Department
of Botany, Faculty of Science, University
of Khartoum, Khartoum 0001, Sudan
| | - Sayadat M. Eltigani
- Department
of Botany, Faculty of Science, University
of Khartoum, Khartoum 0001, Sudan
| | - Irina Lazarova
- Department
of Chemistry, Faculty of Pharmacy, Medical
University-Sofia, 2, Dunav Street, Sofia 1000, Bulgaria
| | - Gökhan Zengin
- Physiology
and Biochemistry Laboratory, Department of Biology, Science Faculty, Selcuk University, Konya 42130, Turkey
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Elsaba YM, El-Hennawi HM, Ibrahim MM, Wehaidy HR. Production of a novel laccase from Ceratorhiza hydrophila and assessing its potential in natural dye fixation and cytotoxicity against tumor cells. J Genet Eng Biotechnol 2023; 21:14. [PMID: 36757585 PMCID: PMC9911566 DOI: 10.1186/s43141-023-00473-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 01/26/2023] [Indexed: 02/10/2023]
Abstract
BACKGROUND Flavonoid natural dyes have gained attention because they are nontoxic and eco-friendly. However, they do not work effectively with artificial fibers and require the use of mordants, which are considered as hazardous chemicals. Laccase enzyme catalyzes the oxidation of phenols, forming phenoxyl radicals that undergo a further polymerization process. So, laccase can oxidize flavonoid dyes, and it can be used instead of harmful mordants in flavonoid dye fixation on cotton fabrics. Laccases also are involved in a variety of metabolic processes, and they have anti-proliferative effects toward HepG2 and MCF-7 tumor cells. RESULTS Among fifteen fungal isolates, the fungus Ceratorhiza hydrophila isolated from the submerged plant Myriophyllum spicatum was selected as the most potent laccase producer. Optimization of the production medium resulted in a 9.9-fold increase in laccase productivity. The partially purified Ceratorhiza hydrophila laccase could successfully improve the affinity of cotton fabrics toward quercetin (flavonoid) dye with excellent color fastness properties. The partially purified laccase also showed anti-proliferative activity against HepG2 and MCF-7 tumor cells. However, high laccase concentration is required to estimate IC50. CONCLUSIONS Ceratorhiza hydrophila MK387081 is an excellent laccase producer. The partially purified laccase from Ceratorhiza hydrophila can be used in textile dyeing and printing processes as a safer alternative to the conventional hazardous mordants. Also, it can be used in preparation of cancer treatment drugs. However, further studies are needed to investigate IC50 for both cell types at higher laccase concentrations.
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Affiliation(s)
- Yasmin M. Elsaba
- grid.412093.d0000 0000 9853 2750Botany and Microbiology Department, Faculty of Sciences, Helwan University, Cairo, Egypt
| | - Heba M. El-Hennawi
- grid.419725.c0000 0001 2151 8157Dyeing, Printing and Textile Auxiliaries Department, National Research Centre, Dokki, Giza, Egypt
| | - Mona M. Ibrahim
- grid.419725.c0000 0001 2151 8157Plant Biotechnology Department, National Research Centre, Dokki, Giza, Egypt
| | - Hala R. Wehaidy
- grid.419725.c0000 0001 2151 8157Chemistry of Natural and Microbial Products Department, National Research Centre, Dokki, Giza, Egypt
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Yusni Y, Yusuf H. The acute effects of coffee consumption on blood glucose and it’s relationship with serum cortisol and insulin in females. PHARMACIA 2022. [DOI: 10.3897/pharmacia.69.e85397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
This research was aimed at analyzing the acute effects of Arabica black coffee consumption on blood glucose, insulin, and serum cortisol levels, as well as determining the pharmacological effects of black coffee as an antihyperglycemic. A randomized control trial with healthy female subjects was used in this study. There were 20 volunteers in total: 9 as the control group and 11 as the trial group. The treatment included brewing 10 grams of Gayo Arabica black coffee powder with 150 ml of boiling water. Blood glucose, insulin, and cortisol levels were measured twice, before and after 60 minutes of coffee consumption. An independent sample t-test (p < 0.05), Pearson correlation test (p < 0.05), and simple linear correlation test (p < 0.05) were used to analyze the data. Blood glucose levels and serum cortisol levels decreased significantly after coffee consumption in the trial group (p = 0.002* and p = 0.001*). There was no significant negative correlation between glucose and insulin levels (r = -0.122; p = 0.721). On the other hand, there was a significant positive correlation between cortisol levels and blood glucose (r = 0.651; p = 0.002*). In conclusion, a single cup of Gayo Arabica black coffee reduces blood sugar and serum cortisol levels, but does not increase serum insulin levels. Blood glucose levels correlate positively with serum cortisol levels in healthy female.
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Effect of ethanolic extract of rosella ( Hibiscus sabdariffa L.) on vital signs, kidney, and liver safety. HERBA POLONICA 2022. [DOI: 10.2478/hepo-2022-0018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Summary
Introduction: Rosella (Hibiscus sabdariffa L) extract is often used as immune-stimulant because it contains flavonoids, especially anthocyanin and quercetin with antioxidant activities.
Objective: This study aimed to determine the safety of the rosella extract consumed in the form of capsules on the vital signs, haematologic parameters as well as kidney and liver function.
Methods: This research was conducted using clinical trial pre- and post-test design in healthy participants. There were 21 healthy participants (52% male, age ranged 8–45) consuming rosella capsules for thirty days, in a dose of 500 mg extract daily. Leukocytes, lymphocytes, blood urea nitrogen (BUN), serum glutamic oxaloacetic transaminase (SGOT), serum glutamic pyruvic transaminase (SGPT) and vital signs were consecutively evaluated on days 0, 31, and 45, respectively. The Wilcoxon and paired sample t-test were used to compare the parameters among the evaluated times.
Results: The result showed that no significant difference for all parameters among the three time points (p>0.05).
Conclusion: These findings suggested that the administration of ethanolic extract of rosella is potential safe and does not negatively affect the vital signs, haemoglobin, leukocytes, lymphocytes, BUN, SGOT, and SGPT.
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Rodrigues KF, Bitencourt TC, Núñez JG, Garcia HO, Buhl B, Padilha GL, Ethur EM, Hoehne L, Bruno AN, Freitas EM. Phytochemical profile and biological activities of Bromelia antiacantha extracts. BRAZ J BIOL 2022; 84:e255529. [PMID: 35239788 DOI: 10.1590/1519-6984.255529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 12/31/2021] [Indexed: 11/22/2022] Open
Abstract
Reports from popular medicine usually act as a basis for the development of new drugs from natural compounds with therapeutic actions for serious diseases and prevalence such as cancer. Bromelia antiacantha Bertol. is a species of the Bromeliaceae family, considered an unconventional food plant, found in the south and midwest regions of Brazil. Despite the high nutritional content and pharmacological potential of its fruits, few scientific studies report its biological actions. Thus, this study evaluates the phytochemical profile of aqueous and ethanol extracts obtained from B. antiacantha fruits, as well as their possible antioxidant, antitumor, and cytotoxic activities. The aqueous extract exhibited phenolic compounds and flavonoids, while ethanol extracts indicated the presence of flavonoids and coumarin in their composition, regardless of the region of collection. The ethanolic extract demonstrated a more promising antioxidant effect than the aqueous extract and also induced a significant inhibition in the viability of human cervical cancer cells of the SiHa strain. In addition, treatment with both extracts did not alter the viability of non-tumor cells of the immortalized human keratinocyte lineage (HaCaT). These results bring new data about extracts obtained from a native plant, edible and traditionally used in popular medicine, opening new perspectives for its possible therapeutic application.
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Affiliation(s)
- K F Rodrigues
- Universidade do Vale do Taquari, Univates, Laboratório de Botânica, Lajeado, RS, Brasil
| | - T C Bitencourt
- Instituto Federal do Rio Grande do Sul - Campus Porto Alegre, Departamento de Biotecnologia, Porto Alegre, RS, Brasil
| | - J G Núñez
- Instituto Federal do Rio Grande do Sul - Campus Porto Alegre, Departamento de Biotecnologia, Porto Alegre, RS, Brasil
| | - H O Garcia
- Instituto Federal do Rio Grande do Sul - Campus Porto Alegre, Departamento de Biotecnologia, Porto Alegre, RS, Brasil
| | - B Buhl
- Universidade do Vale do Taquari, Univates, Laboratório de Química, Lajeado RS, Brasil
| | - G L Padilha
- Instituto Federal do Rio Grande do Sul - Campus Porto Alegre, Departamento de Biotecnologia, Porto Alegre, RS, Brasil
| | - E M Ethur
- Universidade do Vale do Taquari, Univates, Laboratório de Química, Lajeado RS, Brasil
| | - L Hoehne
- Universidade do Vale do Taquari, Univates, Laboratório de Química, Lajeado RS, Brasil
| | - A N Bruno
- Instituto Federal do Rio Grande do Sul - Campus Porto Alegre, Departamento de Biotecnologia, Porto Alegre, RS, Brasil
| | - E M Freitas
- Universidade do Vale do Taquari, Univates, Laboratório de Botânica, Lajeado, RS, Brasil
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Nguyen Q, Dang T, Nguyen T, Nguyen T, Nguyen N. Microencapsulation of roselle ( Hibiscus sabdariffa L.) anthocyanins: Effects of drying conditions on some physicochemical properties and antioxidant activities of spray-dried powder. Food Sci Nutr 2022; 10:191-203. [PMID: 35035921 PMCID: PMC8751440 DOI: 10.1002/fsn3.2659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/15/2021] [Accepted: 10/29/2021] [Indexed: 11/15/2022] Open
Abstract
Anthocyanins are important phytochemical compounds in nature that are of interest not only for their health benefits such as antioxidant, anti-inflammatory, and anti-carcinogenic properties, but also for their role in imparting attractive and characteristic color to food products. In this study, anthocyanins from hibiscus (Hibiscus sabdariffa L.) calyces were microencapsulated by spray-drying technique using maltodextrin as the carrier. The experiment was carried out in the full factorial design with two factors, namely inlet temperature (150, 160, and 170°C) and anthocyanin to maltodextrin mass ratio (1:50, 1:60, 1:70, 1:80, 1:90, and 1:100) with the aim of investigating the effect of spray drying conditions on phenolic content, anthocyanin, antioxidant activity, and color of spray-dried hibiscus powder. The results showed that increasing the carrier ratio significantly reduced the antioxidant content and their activities in the powder. However, the high level of carriers exhibited a protective effect in encapsulating anthocyanin compounds into the maltodextrin matrix, which was demonstrated by high encapsulation efficiency (>85%) observed in the samples prepared at a ratio of 1:100. It should be highlighted that although high temperature (170°C) reduced total anthocyanin concentration, it actually enhanced total phenolic content. In addition, the moisture content of the powder declined with increasing carrier ratio and inlet temperature, and it was found to be in the range of 5.57%-10.19% in the powder. With solubility greater than 93.71%, the total phenolic and total anthocyanin content of spray-dried hibiscus powder were 31.5-41.9 (mg gallic acid equivalent/g of dry powder) and 6.08-10.47 (mg cyanidin-3-glucoside/g of dry powder), respectively.
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Affiliation(s)
- Quoc‐Duy Nguyen
- Faculty of Environmental and Food EngineeringNguyen Tat Thanh UniversityHo Chi Minh CityVietnam
| | - Thanh‐Thuy Dang
- Faculty of Environmental and Food EngineeringNguyen Tat Thanh UniversityHo Chi Minh CityVietnam
| | - Thi‐Van‐Linh Nguyen
- Faculty of Environmental and Food EngineeringNguyen Tat Thanh UniversityHo Chi Minh CityVietnam
| | - Thi‐Thuy‐Dung Nguyen
- Faculty of Environmental and Food EngineeringNguyen Tat Thanh UniversityHo Chi Minh CityVietnam
| | - Nhu‐Ngoc Nguyen
- Faculty of Environmental and Food EngineeringNguyen Tat Thanh UniversityHo Chi Minh CityVietnam
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Potential Effects of Delphinidin-3- O-Sambubioside and Cyanidin-3- O-Sambubioside of Hibiscus sabdariffa L. on Ruminant Meat and Milk Quality. Animals (Basel) 2021; 11:ani11102827. [PMID: 34679848 PMCID: PMC8532787 DOI: 10.3390/ani11102827] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 09/23/2021] [Indexed: 01/24/2023] Open
Abstract
Simple Summary Hibiscus sabdariffa (HS) calyxes are widely used as nutraceutical supplements in humans; however, stalks, leaves, and seeds are considered as agriculture by-products. Including HS by-products in animal feeding could reduce economic costs and environmental problems, and due to their bioactive compounds, could even improve the quality of meat and milk. However, although HS antioxidants have not been tested enough in ruminants, comparison with other by-products rich in polyphenols allows for hypothesizing on the potential effects of including HS by-products and calyxes in nutrition, animal performance, and meat and milk quality. Antioxidants of HS might affect ruminal fiber degradability, fermentation patterns, fatty acids biohydrogenation (BH), and reduce the methane emissions. After antioxidants cross into the bloodstream and deposit into ruminants’ milk and meat, they increase the quality of fatty acids, the antioxidant activity, and the shelf-life stability of dairy products and meat, which leads to positive effects in consumers’ health. In other animals, the specific anthocyanins of HS have improved blood pressure, which leads to positive clinical and chemicals effects, and those could affect some productive variables in ruminants. The HS by-products rich in polyphenols and anthocyanins can improve fatty acid quality and reduce the oxidative effects on the color, odor, and flavor of milk products and meat. Abstract The objective was to review the potential effects of adding anthocyanin delphinidin-3-O-sambubioside (DOS) and cyanidin-3-O-sambubioside (COS) of HS in animal diets. One hundred and four scientific articles published before 2021 in clinics, pharmacology, nutrition, and animal production were included. The grains/concentrate, metabolic exigency, and caloric stress contribute to increasing the reactive oxygen species (ROS). COS and DOS have antioxidant, antibacterial, antiviral, and anthelmintic activities. In the rumen, anthocyanin might obtain interactions and/or synergisms with substrates, microorganisms, and enzymes which could affect the fiber degradability and decrease potential methane (CH4) emissions; since anthocyanin interferes with ruminal fatty acids biohydrogenation (BH), they can increase the n-3 and n-6 polyunsaturated fatty acids (PUFA), linoleic acid (LA), and conjugated linoleic acid (CLA) in milk and meat, as well as improving their quality. Anthocyanins reduce plasma oxidation and can be deposited in milk and meat, increasing antioxidant activities. Therefore, the reduction of the oxidation of fats and proteins improves shelf-life. Although studies in ruminants are required, COS and DOS act as inhibitors of the angiotensin-converting enzyme (ACEi) and rennin expression, regulating the homeostatic control and possibly the milk yield and body weight. By-products of HS contain polyphenols as calyces with positive effects on the average daily gain and fat meat quality.
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Effect of perinatal administration of flavonoid-rich extract from Hibiscus sabdariffa to feed-restricted rats, on offspring postnatal growth and reproductive development. CURRENT ISSUES IN PHARMACY AND MEDICAL SCIENCES 2021. [DOI: 10.2478/cipms-2021-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Developmental programming is a process where stimulus or insult acting during critical periods of growth and development might permanently alter tissue anatomy and physiology so as to produce adverse effects in adult life. Most forms of exposure include maternal nutrient deprivation, nutrient excess, exogenous glucocorticoid excess and endogenous glucocorticoid due to maternal stress. Hibiscus sabdariffa (Hs) are highly rich in phenolic compounds with marked physiological activities, the sweetened aqueous extract of Hs, commonly known as “Zobo’ in Nigeria, is consumed by humans including pregnant and lactating mothers. This study aimed at determining effects of perinatal administration of flavonoid-rich extract from Hs to feed-restricted rats, on offspring postnatal growth and reproductive development. Twenty-five pregnant female rats were used. Rats were randomly placed into five groups of five rats per group (one animal per cage): Group I (Normal control); Group II (feed-restricted control); Group III (5 mg/kg extract + 70% feed-restricted diet); Group IV (10 mg/kg extract + 70% feed-restricted diet); Group V (20 mg/kg extract + 70% feed-restricted diet). Dams were allowed to nurse only 8 pups. Pups were weaned to ad libitum feed and water and were observed daily for puberty onset. Weights, lengths and body mass index (BMI) of pups were measured at delivery, weaning and puberty onset. At onset of puberty in each of the rats, blood samples were collected for determination of follicle stimulating hormone (FSH), luteinizing hormone (LH), estradiol and testosterone. Reproductive organs were excised and weighed for histology. The extract caused significant increase in postnatal weight, length and BMI of offspring at birth, weaning and puberty onset and significantly delayed puberty onset in both sexes. There was significant increase in absolute and relative weights of testes and ovaries with alterations in histology. This study has shown that maternal consumption of flavonoid-rich extract of Hs during pregnancy and lactation may accelerate offspring postnatal growth with delay in onset of puberty.
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Phenolic Compounds from Leaves and Flowers of Hibiscus roseus: Potential Skin Cosmetic Applications of an Under-Investigated Species. PLANTS 2021; 10:plants10030522. [PMID: 33802222 PMCID: PMC8000889 DOI: 10.3390/plants10030522] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 12/15/2022]
Abstract
The use of plant extracts in skin-care cosmetics is a modern trend due to their richness in polyphenols that act as anti-aging molecules. Hibiscus roseus is a perennial species naturalized in Italy, with beautiful soft pink flowers; its phenolic composition and biological activities have not been studied yet. The aim of this study was to characterize and quantify the phenolics and to evaluate the antioxidant, sun protection factor (SPF), and anti-collagenase activities of the ethanolic extracts of H. roseus leaves (HL) and flowers (HF). p-Coumaric, chlorogenic, and trans-ferulic acids derivatives as well as quercetin and kaempferol flavonoids were the main phenolic compounds detected. Catechin, epicatechin, kaempferol-3-O-rutinoside, kaempferol-3-O-glucoside, kaempferol-7-O-glucoside, tiliroside, oenin, and peonidin-3-O-glucoside were detected only in HF, while phloridzin was exclusive from HL, which also showed greater amounts of hydroxycinnamic acid derivatives. HF was richer in flavonoids and total phenolics, also exhibiting greater antioxidant capacity. The SPF and anti-collagenase activity of both extracts were similar and comparable to those of synthetic standards. The overall results demonstrate that H. roseus extracts are promising sources of bioactive phenolic compounds that could be potentially applied as anti-aging agents in skin-care cosmetics.
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Methodologies in the Analysis of Phenolic Compounds in Roselle (Hibiscus sabdariffa L.): Composition, Biological Activity, and Beneficial Effects on Human Health. HORTICULTURAE 2021. [DOI: 10.3390/horticulturae7020035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Roselle (Hibiscus sabdariffa L.), as an edible flower, has long provided an array of positive effects on human health. This benefit is a result of phenolic compounds that are naturally present mainly in the calyx. Plentiful medicinal remedies and functional foods based on this flower are available worldwide, as supported by the studies of phenolic compounds in recent decades. This paper aims to provide a comprehensive review of the composition, biological activity, and beneficial effects on human health of phenolic compounds in roselle. This review was performed in accordance with the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. A structured search in the published literature for phenolics compositions in roselle was required prior to the evaluation on the validity of the reported analytical methods. Reliable identification and quantification of phenolic compounds in roselle can be achieved by employing the proper extraction and separation methods. With ample alternative analytical methods discussed here, this review provided an aid for comprehending and selecting the most appropriate method for a particular study. The applications of the analytical methods highlighted indicated that phenolic acids, flavonoids, and their derivatives have been identified and quantified in roselle with a range of biological activities and beneficial effects on human health. It was also disclosed that the composition and concentration of phenolic compounds in roselle vary due to the growth factors, cultivars, and environmental influence. Finally, apart from the research progress carried out with roselle during the last ten years, this review also proposed relevant future works.
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Salem MA, Zayed A, Beshay ME, Abdel Mesih MM, Ben Khayal RF, George FA, Ezzat SM. Hibiscus sabdariffa L.: phytoconstituents, nutritive, and pharmacological applications. ADVANCES IN TRADITIONAL MEDICINE 2021. [DOI: 10.1007/s13596-020-00542-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Cassol L, Noreña CPZ. Microencapsulation and accelerated stability testing of bioactive compounds of Hibiscus sabdariffa. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2020. [DOI: 10.1007/s11694-020-00757-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Action Mechanism of Rosella ( Hibiscus sabdariffa L.) Used to Treat Metabolic Syndrome in Elderly Women. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:5351318. [PMID: 33005201 PMCID: PMC7509568 DOI: 10.1155/2020/5351318] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 08/21/2020] [Accepted: 09/06/2020] [Indexed: 02/05/2023]
Abstract
Objective Rosella is a safe medicinal herb used by people in Indonesia. They believe that rosella is effective in controlling metabolic syndrome, working with antihypertension, antidiabetic, antidyslipidemia and antiobesity effects. The purpose of this study was to determine the effect of rosella in controlling metabolic syndrome through the secretion of blood nitric oxide (NO) and the cortisol pathway. Methods This study was a quasiexperimental, pretest-posttest with control group design. The total subjects were 18 people, women, and the elderly. Subjects were selected randomly into 2 groups: control group (n = 8) and treatment group (n = 8). The treatment was rosella tea, a dose of 2 grams, duration 2 times a day, given in the morning (08.00–8.30 a.m.) and evening (06.30–7.00 p.m.) after meals for 21 days. Examination of NO and cortisol levels was carried out using the enzyme-linked immunosorbent assay (ELISA) method. Results There was a significant decrease in bodyweight (BW) (p = 0.021), systolic blood pressure (SBP) (p = 0.001), diastolic blood pressure (DBP) (p = 0.049), glucose preprandial (FPG) (p = 0.014), total cholesterol (CT) (p = 0.001), triglycerides (TGs) (p = 0.014), high-density lipoprotein (HDL) (p = 0.001), and low-density lipoprotein (LDL) (p = 0.010) after consuming rosella. NO levels were significantly increased (p = 0.012), whereas cortisol levels decreased significantly (p = 0.008) after therapy with rosella tea in elderly women. Conclusion Rosella has shown evidence to control and lower blood pressure, blood glucose, lipid profile, and cortisol in the elderly with metabolic syndrome. Rosella is a traditional medicine that has the potential to be developed as a therapy for metabolic syndrome patients.
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Phenolic Compounds in Extracts of Hibiscus acetosella (Cranberry Hibiscus) and Their Antioxidant and Antibacterial Properties. Molecules 2020; 25:molecules25184190. [PMID: 32932699 PMCID: PMC7571108 DOI: 10.3390/molecules25184190] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 01/19/2023] Open
Abstract
Hibiscus species are rich in phenolic compounds and have been traditionally used for improving human health through their bioactive activities. The present study investigated the phenolic compounds of leaf extracts from 18 different H. acetosella accessions and evaluated their biofunctional properties, focusing on antioxidant and antibacterial activity. The most abundant phenolic compound in H. acetosella was caffeic acid, with levels ranging from 14.95 to 42.93 mg/100 g. The antioxidant activity measured by the ABTS assay allowed the accessions to be classified into two groups: a high activity group with red leaf varieties (74.71–84.02%) and a relatively low activity group with green leaf varieties (57.47–65.94%). The antioxidant activity was significantly correlated with TAC (0.933), Dp3-Sam (0.932), Dp3-Glu (0.924), and Cy3-Sam (0.913) contents (p < 0.001). The H. acetosella phenolic extracts exhibited antibacterial activity against two bacteria, with zones of inhibition between 12.00 and 13.67 mm (Staphylococcus aureus), and 10.67 and 13.33 mm (Pseudomonas aeruginosa). All accessions exhibited a basal antibacterial activity level (12 mm) against the Gram-positive S. aureus, with PI500758 and PI500764 exhibiting increased antibacterial activity (13.67 mm), but they exhibited a more dynamic antibacterial activity level against the Gram-negative P. aeruginosa.
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Martins DRDS, Sanjinez‐Argandoña EJ, Ortega NDF, Garcia VADS, Oliveira VS, Cardoso CAL. Production and characterization of
Hibiscus sabdariffa
by spray dryer using different sprinkler nozzles and carrier agents. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Denise Rubinho dos Santos Martins
- Faculty of Biological and Environmental Sciences, General Biology/Bioprospecting FCBA / Federal University of Great Dourados (UFGD) Dourados Brazil
| | - Eliana Janet Sanjinez‐Argandoña
- Faculty of Biological and Environmental Sciences, General Biology/Bioprospecting FCBA / Federal University of Great Dourados (UFGD) Dourados Brazil
| | - Nailene de Freitas Ortega
- Faculty of Biological and Environmental Sciences, General Biology/Bioprospecting FCBA / Federal University of Great Dourados (UFGD) Dourados Brazil
| | - Vitor Augusto dos Santos Garcia
- Faculty of Biological and Environmental Sciences, General Biology/Bioprospecting FCBA / Federal University of Great Dourados (UFGD) Dourados Brazil
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Bahrami Feridoni S, Khademi Shurmasti D. Effect of the nanoencapsulated sour tea ( Hibiscus sabdariffa L.) extract with carboxymethylcellulose on quality and shelf life of chicken nugget. Food Sci Nutr 2020; 8:3704-3715. [PMID: 32724633 PMCID: PMC7382146 DOI: 10.1002/fsn3.1656] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 11/05/2022] Open
Abstract
In this study, the antioxidant properties of sour tea extract (Hibiscus sabdariffa L.) were investigated in both free and nanoencapsulated forms to increase the quality and shelf life of chicken nugget during a 9-day refrigerated storage period. For this purpose, the extract was prepared using ultrasound and quantities of phenolic and anthocyanin compounds, and antioxidant properties (DPPH free radical scavenging, FRAP) of extract was examined. The results showed that the value of phenolic compounds and anthocyanin compounds were 626.57 mg/g gallic acid and 379.11 µg/ml, respectively, and the extract had high antioxidant activity. Maltodextrin-whey protein concentrate was used for nanoencapsulation of the extract. Then, to investigate the effect of sour tea extract (free and nanoencapsulated forms) with carboxymethylcellulose (CMC) on quality and shelf life of chicken nugget, five treatments, including T1: control, T2: CMC, T3: CMC +1,000 ppm extract, T4: CMC +1,000 ppm nano extract; and T5: CMC +TBHQ, were prepared. First, physicochemical properties of nugget were measured. The results showed that CMC and sour tea extract reduced oil uptake, moisture content, frying percentage, frying efficiency, and soft texture of fried chicken nugget, and overall the best results were observed in CMC treatment with both extract and nano-extract (p < .05). Then, peroxide value (PV), total volatile nitrogen base (TVB-N), thiobarbituric acid (TBA), and sensory indexes were evaluated in treatments stored at refrigerator for 9 days. The results showed that sour tea extract has antioxidant properties and coating of extract increased its antioxidant properties as nugget containing 1,000 ppm the nanoencapsulated sour tea extract with CMC delayed oxidative spoilage and organoleptic changes of chicken nugget (p < .05). Therefore, it seems that the nanoencapsulated sour tea extract with CMC can be used as a natural preservative in meat and meat products.
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Najafpour Boushehri S, Karimbeiki R, Ghasempour S, Ghalishourani SS, Pourmasoumi M, Hadi A, Mbabazi M, Pour ZK, Assarroudi M, Mahmoodi M, Khosravi A, Mansour-Ghanaei F, Joukar F. The efficacy of sour tea (Hibiscus sabdariffa L.) on selected cardiovascular disease risk factors: A systematic review and meta-analysis of randomized clinical trials. Phytother Res 2020; 34:329-339. [PMID: 31943427 DOI: 10.1002/ptr.6541] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 10/04/2019] [Accepted: 10/19/2019] [Indexed: 12/12/2022]
Abstract
This study sought to summarize clinical evidence of sour tea (Hibiscus sabdariffa L.) administration on cardiovascular disease risk factors. PubMed, Scopus, Institute for Scientific Information Web of Science, and Google Scholar were systematically searched from inception to June 2019 to identify randomized clinical trials, which assessed the effect of sour tea consumption on lipid profiles, fasting plasma glucose, and blood pressure in adult populations. Mean and standard deviation for each parameter were extracted to calculate effect size. Cochrane Collaboration tools were used to evaluate risk of bias assessment. A total of seven randomized clinical trials consisting 362 participants were included in the meta-analysis. Pooled effect size demonstrated that sour tea consumption significantly reduces fasting plasma glucose (-3.67 mg/dl, 95% confidence interval, CI [-7.07, -0.27]; I2 = 37%), systolic blood pressure (-4.71 mmHg, 95% CI [-7.87, -1.55]; I2 = 53%), and diastolic blood pressure (-4.08 mmHg, 95% CI [-6.48, -1.67]; I2 = 14%). Although no significant effect was observed on triacylglycerol, total cholesterol, and high-density lipoprotein cholesterol following sour tea consumption, a trend toward a significant reduction was found in low-density lipoprotein cholesterol serum concentrations (p = 0.08). This systematic review and meta-analysis suggests that sour tea consumption could have beneficial effect in controlling glycemic status and blood pressure among adult population.
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Affiliation(s)
- Saeid Najafpour Boushehri
- Department of Nutrition, Faculty of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Razieh Karimbeiki
- Department of Clinical Nutrition, School of Nutrition & Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sara Ghasempour
- Department of Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Samira-Sadat Ghalishourani
- Department of Physical Education and Sport Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Makan Pourmasoumi
- Food Security Research Center and Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.,Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Amir Hadi
- Halal Research Center of IRI, FDA, Tehran, Iran
| | - Muniirah Mbabazi
- Nutrisat Uganda and Department of Human Nutrition and Dietetics, Victoria University, Kampala, Uganda
| | | | | | - Marzieh Mahmoodi
- Department of Biostatistics, Faculty of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Abdolrasool Khosravi
- Medical Library and Information Science Department, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Fariborz Mansour-Ghanaei
- GI Cancer Screening & Prevention Research Center, Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
| | - Farahnaz Joukar
- Caspian Digestive Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran
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Pengkumsri N, Kaewdoo K, Leeprechanon W, Sundaram Sivamaruthi B. Influence of Extraction Methods on Total Phenolic Content and Antioxidant Properties of Some of the Commonly Used Plants in Thailand. Pak J Biol Sci 2019; 22:117-126. [PMID: 30972981 DOI: 10.3923/pjbs.2019.117.126] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Several plants have been commonly used in Thailand for health improvement, but the phytochemical content and its bio-activities are not yet elucidated completely. The aim of this research was to study the influence of extraction method on total phenolic content (TPC) and antioxidant activity of representative plants such as Punica granatum, Hibiscus sabdariffa, leistocalyx operculatus (Roxb.) Merr., litoria ternatea Linn., Mulberry and Oryza sativa L. indica. METHODOLOGY The samples were subjected to different extraction procedures. The TPC and phenolic compounds were determined by Folin-Ciocalteu colorimetric assay and HPLC, respectively. The antioxidant capacity of the extracts was measured by 2, 2-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid (ABTS) and ferric reducing antioxidant power (FRAP) assays and ferrous ion (Fe2+) chelating assay. RESULTS The maximum TPC was observed in pomegranate peel (TTP) extract (0.1 M HCl: Ethanol extraction) and low TPC was recorded in aqueous extract of butterfly pea flower (BP) samples. The high content of protocatechuic, p-hydroxybenzoic acid were observed in pomegranate seed and seed coat (TTS). Gallic and syringic acids were found to be rich in pomegranate peel (TTP) and flower of butterfly pea (BP), respectively. Roselle flower samples (KJ) showed high content of chlorogenic, p-coumaric and caffeic acids. CONCLUSION The maximum antioxidant activity was observed in extracts obtained by 0.1 M HCl: Ethanol extraction methods, especially pomegranate peel exhibited high free radical scavenging activity compared to that of the other samples. The results strongly revealed that the extraction method greatly influences the phytochemical content and bioactivity and strongly recommends that any plant samples, intended to study, must undergo several extraction processes to reveal the actual phytochemical content.
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Jabeur I, Pereira E, Caleja C, Calhelha RC, Soković M, Catarino L, Barros L, Ferreira ICFR. Exploring the chemical and bioactive properties of Hibiscus sabdariffa L. calyces from Guinea-Bissau (West Africa). Food Funct 2019; 10:2234-2243. [PMID: 30957799 DOI: 10.1039/c9fo00287a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Different external factors influence the chemical characteristics of natural products, varying according to the geographic origin. The present study determined the nutritional and chemical composition of Hibiscus sabdariffa L. dried calyces (Guinea-Bissauan origin), as well as the phenolic composition, antioxidant, anti-inflammatory, cytotoxicity and antimicrobial activity of its infusion and hydroethanolic extracts. Among the chemical components, glucose and quinic acid showed the major concentration for sugars and organic acids, respectively. Palmitic acid and α-tocopherol were the most abundant lipophilic compounds. The individual phenolic compounds were analysed through HPLC-DAD-ESI/MS. Thirteen compounds were identified in the hydroethanolic extract, while twelve were identified in the infusion, 3-O-caffeoylquinic acid being the major non-anthocyanin compound. Three anthocyanins were identified, delphinidin-3-O-sambubioside being the most abundant. Both extracts showed promising results in all the bioactive assays. This study exhibited the beneficial properties of H. sabdariffa and also emphasized the potential applications of this plant in different industrial sectors.
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Affiliation(s)
- Inès Jabeur
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Eliana Pereira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Cristina Caleja
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Ricardo C Calhelha
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Marina Soković
- Institute for Biological Research "Siniša Stankovic", Department of Plant Physiology, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Luís Catarino
- Centre for Ecology, Evolution and Environmental Changes (cE3c), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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W. N, H. MA, S. A, M. OA, V. O, K. ED, D. KA, E. A. Screening for total antioxidant activity, flavonoids and phenolics variability in forty-five accessions of roselle (Hibiscus sabdariffa L.). ACTA ACUST UNITED AC 2018. [DOI: 10.5897/ajb2017.16286] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Riaz G, Chopra R. A review on phytochemistry and therapeutic uses of Hibiscus sabdariffa L. Biomed Pharmacother 2018; 102:575-586. [PMID: 29597091 DOI: 10.1016/j.biopha.2018.03.023] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 03/03/2018] [Accepted: 03/05/2018] [Indexed: 01/28/2023] Open
Abstract
Hibiscus sabdariffa L. (roselle) belonging to the Malvaceae family is widely grown in many countries. This plant is often used in the traditional medicine being rich in phytochemicals like polyphenols especially anthocyanins, polysaccharides and organic acids thus having enormous prospective in modern therapeutic uses. The study aimed to review and document all the available evidence and information about the calyces of Hibiscus sabdariffa (roselle) with the special focus on their nutritional composition, bioactive constituents and therapeutic uses. The electronic database was searched up to 2017, using keywords Hibiscus sabdariffa, chemical constituents of roselle, therapeutic uses of roselle. Journals, books and conference proceedings were also searched. The review provides valuable information about the nutraceutical component of Hibiscus sabdariffa L. and their utilization for curing various degenerative diseases like hypertension, hyperlipidemia, cancer and other inflammatory diseases of liver and kidney. Their toxicological effects have also been discussed from a safety point of view. Most studies supported and provided the scientific basis for the statement that Hibiscus sabdariffa and their active constituents play an important role in the prevention of chronic and degenerative diseases that are associated with oxidative stress. Our study suggests, that good research is needed, to establish a potential strategy that can balance the pharmacological and toxic effects of roselle and standardized fingerprint of Hibiscus sabdariffa is required internationally for quality control.
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Affiliation(s)
- Ghazala Riaz
- Department of Food and Nutrition, Institute of Home Economics, F-4 Hauz Khas Enclave, New Delhi, 1100016, India.
| | - Rajni Chopra
- Department of Food and Nutrition, Institute of Home Economics, F-4 Hauz Khas Enclave, New Delhi, 1100016, India; Department of Food and Nutrition, University of Delhi, India.
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Jabeur I, Pereira E, Barros L, Calhelha RC, Soković M, Oliveira MBPP, Ferreira ICFR. Hibiscus sabdariffa L. as a source of nutrients, bioactive compounds and colouring agents. Food Res Int 2017; 100:717-723. [PMID: 28873741 DOI: 10.1016/j.foodres.2017.07.073] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 07/31/2017] [Accepted: 07/31/2017] [Indexed: 12/14/2022]
Abstract
The nutritional and bioactive composition of plants have aroused much interest not only among scientists, but also in people's daily lives. Apart from the health benefits, plants are a source of pigments that can be used as natural food colorants. In this work, the nutritional composition of Hibiscus sabdariffa L. was analysed, as well as its bioactive compounds and natural pigments. Glucose (sugar), malic acid (organic acid), α-tocopherol (tocopherol) and linoleic acid (fatty acid) were the major constituents in the corresponding classes. 5-(Hydroxymethyl) furfural was the most abundant non-anthocyanin compound, while delphinidin-3-O-sambubioside was the major anthocyanin both in its hydroethanolic extract and infusion. H. sabdariffa extracts showed antioxidant and antimicrobial activities, highlighting that the hydroethanol extract presents not only lipid peroxidation inhibition capacity, but also bactericidal/fungicidal inhibition ability for all the bacteria and fungi tested. Furthermore, both extracts revealed the absence of toxicity using porcine primary liver cells. The studied plant species was thus not only interesting for nutritional purposes but also for bioactive and colouring applications in food, cosmetic and pharmaceutical industries.
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Affiliation(s)
- Inès Jabeur
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Eliana Pereira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; REQUIMTE/LAQV, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira no. 228, 4050-313 Porto, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Ricardo C Calhelha
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Marina Soković
- Institute for Biological Research "Siniša Stanković", Department of Plant Physiology, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - M Beatriz P P Oliveira
- REQUIMTE/LAQV, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira no. 228, 4050-313 Porto, Portugal
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
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Subhaswaraj P, Sowmya M, Bhavana V, Dyavaiah M, Siddhardha B. Determination of antioxidant activity of Hibiscus sabdariffa and Croton caudatus in Saccharomyces cerevisiae model system. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2017; 54:2728-2736. [PMID: 28928512 PMCID: PMC5583102 DOI: 10.1007/s13197-017-2709-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 05/10/2017] [Accepted: 05/16/2017] [Indexed: 12/12/2022]
Abstract
From ancient times, plants and plant derived products are exploited as a prominent source of folkloric medicines with tremendous therapeutic potential for an array of health disorders. In the present study, ethanolic leaf extract of Hibiscus sabdariffa and Croton caudatus were evaluated for free radical scavenging activity in Saccharomyces cerevisiae model system. H. sabdariffa and C. caudatus showed tremendous DPPH free radical scavenging potential with an IC50 value of 184.88 and 305.39 µg/mL respectively at a concentration of 500 µg/mL. The ethanolic leaf extract of H. sabdariffa and C. caudatus also showed significant hydoxyl radical scavenging and total antioxidant activity. Ascorbic acid was used as positive control. The in vitro antioxidant activity was further supported by in vivo studies using radical scavenging mechanism in S. cerevisiae wild type and its isogenic deletion strains sod1∆ and tsa1∆. The mutant yeast cells substantially scavenged the stress generated by H2O2 when supplemented with ethanolic leaf extract of H. sabdariffa and C. caudatus as evident from spot assays followed by fluorescence assay (DCF-DA) using fluorescence microscopic and intensity studies. H. sabdariffa and C.caudatus significantly neutralize the ROS level in yeast mutants with concomitant decrease in fluorescence intensity as compared to the untreated yeast cells. The results suggested the efficacy of H. sabdariffa and C. caudatus as potent antioxidants in yeast system and thus their futuristic applications in therapeutics.
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Affiliation(s)
- Pattnaik Subhaswaraj
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014 India
| | - M Sowmya
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014 India
| | - V Bhavana
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, 605014 India
| | - Madhu Dyavaiah
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, 605014 India
| | - Busi Siddhardha
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014 India
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Bvenura C, Sivakumar D. The role of wild fruits and vegetables in delivering a balanced and healthy diet. Food Res Int 2017; 99:15-30. [PMID: 28784471 DOI: 10.1016/j.foodres.2017.06.046] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 06/17/2017] [Accepted: 06/20/2017] [Indexed: 10/19/2022]
Abstract
Without a doubt, fruits and vegetables are important components of a balanced and healthy diet. However, their consumption is very low in the world, with the lowest figures being reported in sub-Saharan Africa. The low consumption of fruits and vegetables means unbalanced and unhealthy diets, which has been linked to various diseases and conditions associated with increased mortality rates in worst cases. Poverty is the major contributor to the low consumption of fruits and vegetables in the majority of cases. However, the world, including sub-Saharan Africa, is endowed with numerous wild fruit and vegetable species which can be exploited and incorporated into the diets and help solve some nutrition related concerns. Therefore, in this review, we explore literature on wild fruits and vegetables with a special emphasis on some of the poorest regions of the world and where the lowest consumption figures are reported; their nutritional compositions; the status of their consumption and their role in the diet with a view to uncover their possible role in delivering a healthy and balanced diet as well as helping lower food and nutrition insecurity. A total of 396 articles were downloaded and analysed but only 213 were considered for this review. The results of the search indicate that wild fruits and vegetables are nutritionally rich and high in phytochemicals, especially antioxidants and therefore can possibly play a significant and positive role in delivering a healthy and balanced diet. However, the major challenge is the acceptability, accessibility as well as a lack of interest in wild fruits and vegetables and sheer neglect. People need to be educated using various forms of media on the nutritional and health benefits of these wild food plants with a view to bring them from the forest to the plate. Researchers need to channel more efforts towards domesticating them for ease of access, among other reasons. Governments need to incentivise the subsistence or commercial production of wild fruits and vegetables in order to encourage farmers to cultivate them. However, seeds and/or seedlings need to be made available and affordable to the farmers. The 'hidden treasures' in the forests in the form of edible plants could easily play a positive and huge role in delivering a balanced and healthy diet, especially in poor parts of the world.
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Affiliation(s)
- Callistus Bvenura
- Phytochemical Food Network Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria West, 0001 Pretoria, South Africa.
| | - Dharini Sivakumar
- Phytochemical Food Network Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria West, 0001 Pretoria, South Africa
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The Chemical Profile of Senna velutina Leaves and Their Antioxidant and Cytotoxic Effects. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:8405957. [PMID: 27803764 PMCID: PMC5075628 DOI: 10.1155/2016/8405957] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Accepted: 09/14/2016] [Indexed: 01/01/2023]
Abstract
Natural products can be a source of biomolecules with antioxidant activity which are able to prevent oxidative stress-induced diseases and show antitumor activity, making them important sources of new anticancer drug prototypes. In this context, this study aimed to analyze the chemical composition of an ethanol extract of Senna velutina leaves and to assess its antioxidant and cytotoxic activities in leukemic cells. The antioxidant properties were evaluated using a DPPH free radical scavenging assay and by examining the extract's inhibition of AAPH-induced lipid peroxidation in human erythrocytes. Its cytotoxicity and possible mechanisms of action were assessed in Jurkat and K562 leukemic cell lines. The ethanol extract contained flavonoids, such as epigallocatechin, epicatechin, kaempferol heteroside, rutin, and dimeric and trimeric proanthocyanidin derivatives. The extract exhibited antioxidant activity by scavenging free radicals and antihemolytic action, and it decreased malondialdehyde content in human erythrocytes. Furthermore, the extract also induced leukemic cell death by activating intracellular calcium and caspase-3, decreasing mitochondrial membrane potential, and arresting the cell cycle in S and G2 phases. Hence, S. velutina leaf extract contains antioxidant and antileukemic biomolecules with potential applications in diseases associated with oxidative stress and in the inhibition of tumor cell proliferation.
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Colla LM, Bertol CD, Ferreira DJ, Bavaresco J, Costa JAV, Bertolin TE. Thermal and photo-stability of the antioxidant potential of Spirulina platensis powder. BRAZ J BIOL 2016; 77:332-339. [DOI: 10.1590/1519-6984.14315] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Accepted: 02/10/2016] [Indexed: 11/21/2022] Open
Abstract
Abstract This work aimed to evaluate the thermal and photo stability of the antioxidant potential (AP) of the Spirulina platensis biomass. Thermal stability was established at 25ºC, 40ºC and 50ºC for 60 days, in the dark, protected from light. Photo stability was evaluated using UV (15 W, λ = 265 nm) and fluorescent (20 W, 0.16 A, power factor FP > 0.5, 50/60 Hz, 60 lm/w, 1200 lm) light for 90 days in capsules, glass and Petri dishes, at room temperature. The AP of the biomass in these conditions was determined at intervals (every 7 and 30 days in the studies of thermal and photo stability, respectively) using the induction of the oxidation of a lipid system by heat and aeration. In this lipid system, the biomass submitted to degradation was used as an antioxidant. The kinetics of the reaction was determined by the Arrhenius method. Thermal degradation was found to follow zero order kinetics, whereas photo degradation followed first order kinetics. The AP decreased 50% after 50 days at 25°C. At 40°C and 50°C, the AP decreased more than 50% after 35 and 21 days of exposition, respectively. The decrease of the AP of Spirulina was more sensible to UV and fluorescence light. After 30 days of exposition, the AP decreased more than 50% in all storage conditions tested. The antioxidant potential of Spirulina platensis is easily degraded when the biomass is exposed to heat and light, indicating the need for care to be taken in its storage.
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Green tea polyphenols and their potential role in health and disease. Inflammopharmacology 2015; 23:151-61. [PMID: 26164000 DOI: 10.1007/s10787-015-0236-1] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Accepted: 06/06/2015] [Indexed: 12/14/2022]
Abstract
There is a growing body of evidence that plant polyphenols such as resveratrol, anthocyanins, catechins, and terpenes like taxol are effectively used in the treatment of chronic conditions including cancer, Alzheimer, Parkinsonism, diabetes, aging, etc. The link between oxidative stress and inflammation is well accepted. Thus, the mechanism of action of these natural products is partly believed to be through their significant antioxidant properties. The main constituent of green tea, with clinical significance, is epigallocatechin gallate (EGCG). It has been associated with antitumor, anti-Alzheimer, and anti-aging properties, improve redox status at the tissue level possibly preventing system level structural damage. This review focuses on EGCG and its potential therapeutic role in health and disease.
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