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Le DD, Ahn J, Han S, Lee SG, Lee M, Ha IJ. Phytochemical analysis and quality assessment of Podocarpus macrophyllus by UHPLC-DAD-ESI-MS and UHPLC-MS/MS MRM methods. Nat Prod Res 2024; 38:2336-2341. [PMID: 36800928 DOI: 10.1080/14786419.2023.2169863] [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: 09/28/2022] [Revised: 01/06/2023] [Accepted: 01/13/2023] [Indexed: 02/22/2023]
Abstract
The concern about the quality of medicinal herbs is becoming important due to the poor quality of commercial products like cosmetics, functional foods, and natural medicine produced from them. However, there is a lack of modern analytical methods to evaluate the constituents of P. macrophyllus until the moment. This paper reports an analytical method based on UHPLC-DAD and UHPLC-MS/MS MRM methods to evaluate the ethanolic extracts of P. macrophyllus leaves and twigs. 15 main constituents were identified using a UHPLC-DAD-ESI-MS/MS profiling. Subsequently, a reliable analytical method was established and successfully used to quantitate the constituent's content using four marker compounds in leaf and twig extracts of this plant. The result obtained from the current study demonstrated the secondary metabolites and the variety of their derivatives in this plant. The analytical method can help evaluate the quality of P. macrophyllus and develop high-value functional materials.
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Affiliation(s)
- Duc Dat Le
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Korea
| | - JeongJun Ahn
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Korea
| | - Sanghee Han
- Graduate School, Kyung Hee University, Seoul, Korea
| | - Seok-Geun Lee
- Graduate School, Kyung Hee University, Seoul, Korea
- Korean Medicine Clinical Trial Center (K-CTC), Kyung Hee University Korean Medicine Hospital, Seoul, Korea
| | - Mina Lee
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Korea
| | - In Jin Ha
- Graduate School, Kyung Hee University, Seoul, Korea
- Korean Medicine Clinical Trial Center (K-CTC), Kyung Hee University Korean Medicine Hospital, Seoul, Korea
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2
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Ramatsetse KE, Ramashia SE, Mashau ME. Effect of partial mutton meat substitution with Bambara groundnut ( Vigna subterranea (L.) Verdc.) flour on physicochemical properties, lipid oxidation, and sensory acceptability of low-fat patties. Food Sci Nutr 2024; 12:4019-4037. [PMID: 38873485 PMCID: PMC11167189 DOI: 10.1002/fsn3.4059] [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: 08/23/2023] [Revised: 10/31/2023] [Accepted: 02/18/2024] [Indexed: 06/15/2024] Open
Abstract
Health concerns regarding fat consumption, as well as shifts in customer preference, have prompted substantial studies into low-fat products. This study examined the nutritional, color, functional, and antioxidant properties of Bambara groundnut (BGN) flour varieties (cream, brown, and red-coated) grains as well as their influence on the physicochemical properties, lipid oxidation, and sensory acceptability of low-fat mutton patties. The patties were formulated with 2.5%, 5%, 7.5%, and 10% of BGN flour for each variety, and 100% mutton patties were used as a control. The BGN flours showed significant (p < .05) differences in their nutritional composition (except for ash content), color, functional (excluding emulsion stability), and antioxidant properties. The increase in the percentage of substitution of BGN flours significantly increased the fiber (0.00% to 0.79%), ash (1.16% to 1.99%), and carbohydrates (2.14% to 1.99%) contents of the formulated mutton patties. However, moisture and protein contents decreased. The cooking yield of the formulated patties significantly increased with the increase in the percentage substitution of BGN flours (2.5%-10%), with values ranging from 76.39% to 86.80%, but the diameter reduction was limited. The increase in the inclusion of BGN flours significantly increased the lightness, hue angle, color difference, and whiteness of patties. Nevertheless, the redness, yellowness, chroma, and yellowness index of the patties decreased. The hardness and resilience of formulated patties significantly increased, with values varying from 16.41 to 17.66 N, and from 0.35 to 0.48 J/J, respectively, whereas the springiness, cohesiveness, and chewiness decreased. The lipid oxidation of formulated mutton patties significantly increased from Days 7 to 21, but was still less than that of the control sample within storage days. The sensory properties of formulated patties were not significantly different from the control sample and were above the acceptable score of five. All BGN varieties had positive effects on the mutton patties, more especially red, followed by brown, and cream, respectively. The inclusion of a 10% red BGN flour variety is highly recommended due to its significant impact on mutton patties. Nevertheless, different types of BGN varieties can each be used as additives in mutton patties without having detrimental effects on the quality parameters of the patties.
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Affiliation(s)
- Kgaogelo Edwin Ramatsetse
- Department of Food Science and Technology, Faculty of Science, Engineering and AgricultureUniversity of VendaThohoyandouSouth Africa
| | - Shonisani Eugenia Ramashia
- Department of Food Science and Technology, Faculty of Science, Engineering and AgricultureUniversity of VendaThohoyandouSouth Africa
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and BiotechnologyShoolini UniversitySolanHimachal PradeshIndia
| | - Mpho Edward Mashau
- Department of Food Science and Technology, Faculty of Science, Engineering and AgricultureUniversity of VendaThohoyandouSouth Africa
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3
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Jaiswal SK, Dakora FD. Seed-Coat Pigmentation Plays a Crucial Role in Partner Selection and N 2 Fixation in Legume-Root-Microbe Associations in African Soils. PLANTS (BASEL, SWITZERLAND) 2024; 13:1464. [PMID: 38891273 PMCID: PMC11175086 DOI: 10.3390/plants13111464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/17/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024]
Abstract
Legume-rhizobia symbiosis is the most important plant-microbe interaction in sustainable agriculture due to its ability to provide much needed N in cropping systems. This interaction is mediated by the mutual recognition of signaling molecules from the two partners, namely legumes and rhizobia. In legumes, these molecules are in the form of flavonoids and anthocyanins, which are responsible for the pigmentation of plant organs, such as seeds, flowers, fruits, and even leaves. Seed-coat pigmentation in legumes is a dominant factor influencing gene expression relating to N2 fixation and may be responsible for the different N2-fixing abilities observed among legume genotypes under field conditions in African soils. Common bean, cowpea, Kersting's groundnut, and Bambara groundnut landraces with black seed-coat color are reported to release higher concentrations of nod-gene-inducing flavonoids and anthocyanins compared with the Red and Cream landraces. Black seed-coat pigmentation is considered a biomarker for enhanced nodulation and N2 fixation in legumes. Cowpea, Bambara groundnut, and Kersting's bean with differing seed-coat colors are known to attract different soil rhizobia based on PCR-RFLP analysis of bacterial DNA. Even when seeds of the same legume with diverse seed-coat colors were planted together in one hole, the nodulating bradyrhizobia clustered differently in the PCR-RFLP dendrogram. Kersting's groundnut, Bambara groundnut, and cowpea with differing seed-coat colors were selectively nodulated by different bradyrhizobial species. The 16S rRNA amplicon sequencing also found significant selective influences of seed-coat pigmentation on microbial community structure in the rhizosphere of five Kersting's groundnut landraces. Seed-coat color therefore plays a dominant role in the selection of the bacterial partner in the legume-rhizobia symbiosis.
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Affiliation(s)
- Sanjay K. Jaiswal
- Department of Chemistry, Tshwane University of Technology, Arcadia Campus, Pretoria 0183, South Africa
| | - Felix D. Dakora
- Department of Chemistry, Tshwane University of Technology, Arcadia Campus, Pretoria 0183, South Africa
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4
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Ramatsetse KE, Ramashia ES, Mashau ME. A review on health benefits, antimicrobial and antioxidant properties of Bambara groundnut ( Vigna subterranean). INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2023. [DOI: 10.1080/10942912.2022.2153864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Kgaogelo Edwin Ramatsetse
- Department of Food Science and Technology, Faculty of Science, Engineering and Agriculture, University of Venda, Thohoyandou, South Africa
| | - Eugenia Shonisani Ramashia
- Department of Food Science and Technology, Faculty of Science, Engineering and Agriculture, University of Venda, Thohoyandou, South Africa
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, HP, India
| | - Mpho Edward Mashau
- Department of Food Science and Technology, Faculty of Science, Engineering and Agriculture, University of Venda, Thohoyandou, South Africa
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5
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Pretorius B, Otto M, Schönfeldt HC. Antinutrients and metabolomic compounds of Bambara groundnut (Vigna subterranean) as affected by traditional processing by smallholder farmers. J Food Sci 2023; 88:3435-3444. [PMID: 37458285 DOI: 10.1111/1750-3841.16698] [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: 01/12/2023] [Revised: 06/20/2023] [Accepted: 06/25/2023] [Indexed: 08/05/2023]
Abstract
Bambara groundnut (BG) (Vigna subterranean) is an underutilized, indigenous crop in South Africa that has nutritional and associated health benefits. Decreasing the antinutrients in food sources can potentially increase the digestibility of proteins and mineral absorption. To determine the effect of traditional processing (cooking) on the antinutrient content and metabolome of this crop, BG was sampled from 12 rural farms in three districts of the Mpumalanga province, South Africa. The four main colors that were identified (cream, orange, brown, and purple) were pooled together according to the district they were obtained from. One-half of each color sample obtained from each of the three districts was dehulled, color sorted, milled, and subjected to subsequent antinutrient and metabolome analyses, while the other half was cooked, air-dried, and milled prior to analyses. Samples were analyzed for phytate and tannins (antinutrients) by hydrochloric acid extraction methods as well as metabolome constituents by ultraperformance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS). Phytate, tannins, as well as other metabolomic constituents, namely, catechin, epicatechin, procyanidin, as well as citric acid, were identified in all raw and cooked BG samples. The cooking process resulted in a significant decrease (p < 0.05) in the phytate and tannin content as well as an increase in the health-associated phenolic compounds.
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Affiliation(s)
- Beulah Pretorius
- Department of Animal Science, University of Pretoria, Pretoria, South Africa
| | - Margot Otto
- Department of Animal Science, University of Pretoria, Pretoria, South Africa
| | - Hettie C Schönfeldt
- Department of Animal Science, University of Pretoria, Pretoria, South Africa
- ARUA Centre of Excellence in Sustainable Food Systems, University of Pretoria, Pretoria, South Africa
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6
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Dwivedi SL, Chapman MA, Abberton MT, Akpojotor UL, Ortiz R. Exploiting genetic and genomic resources to enhance productivity and abiotic stress adaptation of underutilized pulses. Front Genet 2023; 14:1193780. [PMID: 37396035 PMCID: PMC10311922 DOI: 10.3389/fgene.2023.1193780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 06/07/2023] [Indexed: 07/04/2023] Open
Abstract
Underutilized pulses and their wild relatives are typically stress tolerant and their seeds are packed with protein, fibers, minerals, vitamins, and phytochemicals. The consumption of such nutritionally dense legumes together with cereal-based food may promote global food and nutritional security. However, such species are deficient in a few or several desirable domestication traits thereby reducing their agronomic value, requiring further genetic enhancement for developing productive, nutritionally dense, and climate resilient cultivars. This review article considers 13 underutilized pulses and focuses on their germplasm holdings, diversity, crop-wild-crop gene flow, genome sequencing, syntenic relationships, the potential for breeding and transgenic manipulation, and the genetics of agronomic and stress tolerance traits. Recent progress has shown the potential for crop improvement and food security, for example, the genetic basis of stem determinacy and fragrance in moth bean and rice bean, multiple abiotic stress tolerant traits in horse gram and tepary bean, bruchid resistance in lima bean, low neurotoxin in grass pea, and photoperiod induced flowering and anthocyanin accumulation in adzuki bean have been investigated. Advances in introgression breeding to develop elite genetic stocks of grass pea with low β-ODAP (neurotoxin compound), resistance to Mungbean yellow mosaic India virus in black gram using rice bean, and abiotic stress adaptation in common bean, using genes from tepary bean have been carried out. This highlights their potential in wider breeding programs to introduce such traits in locally adapted cultivars. The potential of de-domestication or feralization in the evolution of new variants in these crops are also highlighted.
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Affiliation(s)
| | - Mark A. Chapman
- Biological Sciences, University of Southampton, Southampton, United Kingdom
| | | | | | - Rodomiro Ortiz
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden
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Manai-Djebali H, Taamalli A, Iswaldi I, Arráez-Román D, Segura-Carretero A, Marouani A, Mliki A, Martínez-Cañas MA, Ghorbel A. Chemometric analysis of Tunisian durum wheat metabolites using UPLC-ESI-QTOF-MS/MS. J Food Sci 2023. [PMID: 37183914 DOI: 10.1111/1750-3841.16605] [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: 02/19/2022] [Revised: 03/06/2023] [Accepted: 04/21/2023] [Indexed: 05/16/2023]
Abstract
Bioactive compounds in wheat have received a great interest in the last few years due to their nutritional and health benefits. Various analytical procedures were used to identify these compounds in wheat kernels. An ultra-performance liquid chromatography coupled to electrospray ionization quadrupole-time-of-flight mass spectrometry (UPLC-ESI-QTOF-MS/MS) was used for the screening of bioactive compounds in seven Tunisian durum wheat extracts. The aim of this study was to realize a screening of several classes of bioactive compounds in the same analysis and to identify specific metabolite markers for discriminating the durum wheat varieties. The UPLC-ESI-QTOF-MS/MS allows the detection of 81 metabolites, belonging to different chemical families such as sugars, organic acids, amino acids, fatty acids, and phenolic compounds represented by benzoic and cinnamic acid derivatives, phenolic alcohols, flavones, lignans, and condensed tannins. Chemical profiles identified varied greatly between different wheat genotypes. As far as the authors know, this is the first time that different chemical classes were detected at the same time in durum wheat kernels using UPLC-ESI-QTOF-MS/MS. This study gives the most complete map of metabolites in Tunisian durum wheat and proves that UPLC-QTOF-MS/MS coupled with chemometric analysis is a great tool for discrimination between durum wheat cultivars.
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Affiliation(s)
- Hédia Manai-Djebali
- Laboratory of Olive Biotechnology, LR15CBBC05, Centre of Biotechnology of Borj-Cédria, Hammam-Lif, Tunisia
| | - Amani Taamalli
- Laboratory of Olive Biotechnology, LR15CBBC05, Centre of Biotechnology of Borj-Cédria, Hammam-Lif, Tunisia
- Department of Chemistry, College of Sciences, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
| | - Ihsan Iswaldi
- Food Business Technology Study Program, School of Applied Science, Technology, Engineering and Mathematics, Universitas Prasetiya Mulya, Tangerang, Indonesia
| | - David Arráez-Román
- Centro de Investigacion y Desarrollo del Alimento Funcional, Parque Tecnológico de Ciencias de la Salud (PTS), Granada, Spain
| | - Antonio Segura-Carretero
- Centro de Investigacion y Desarrollo del Alimento Funcional, Parque Tecnológico de Ciencias de la Salud (PTS), Granada, Spain
| | - Ahmed Marouani
- Higher School of Agriculture, Route de Dahmeni - Boulifa, EL Kef, Tunisia
| | - Ahmed Mliki
- Laboratory of Plant Molecular Physiology, Centre of Biotechnology of Borj-Cédria, Hammam-Lif, Tunisia
| | - Manuel A Martínez-Cañas
- Tecnological AgriFood Institute, Centre for Scientific Research and Technology in Extremadura, Government of Extremadura, Badajoz, Spain
| | - Abdelwahed Ghorbel
- Laboratory of Plant Molecular Physiology, Centre of Biotechnology of Borj-Cédria, Hammam-Lif, Tunisia
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8
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Ogbole OO, Akin-Ajani OD, Ajala TO, Ogunniyi QA, Fettke J, Odeku OA. Nutritional and pharmacological potentials of orphan legumes: Subfamily faboideae. Heliyon 2023; 9:e15493. [PMID: 37151618 PMCID: PMC10161725 DOI: 10.1016/j.heliyon.2023.e15493] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 04/05/2023] [Accepted: 04/11/2023] [Indexed: 05/09/2023] Open
Abstract
Legumes are a major food crop in many developing nations. However, orphan or underutilized legumes are domesticated legumes that have valuable properties but are less significant than main legumes due to use and supply restrictions. Compared to other major legumes, they are better suited to harsh soil and climate conditions, and their great tolerance to abiotic environmental circumstances like drought can help to lessen the strains brought on by climate change. Despite this, their economic significance in international markets is relatively minimal. This article is aimed at carrying out a comprehensive review of the nutritional and pharmacological benefits of orphan legumes from eight genera in the sub-family Faboidea, namely Psophocarpus Neck. ex DC., Tylosema (Schweinf.) Torre Hillc., Vigna Savi., Vicia L., Baphia Afzel. ex G. Lodd., Mucuna Adans, Indigofera L. and Macrotyloma (Wight & Arn.) Verdc, and the phytoconstituents that have been isolated and characterized from these plants. A literature search was conducted using PubMed, Google Scholar, and Science Direct for articles that have previously reported the relevance of underutilized legumes. The International Union for Conservation of Nature (IUCN) red list of threatened species was also conducted for the status of the species. References were scrutinized and citation searches were performed on the study. The review showed that many underutilized legumes have a lot of untapped potential in terms of their nutritional and pharmacological activities. The phytoconstituents from plants in the subfamily Faboideae could serve as lead compounds for drug discovery for the treatment of a variety of disorders, indicating the need to explore these plant species.
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Affiliation(s)
| | - Olufunke D. Akin-Ajani
- Department of Pharmaceutics and Industrial Pharmacy, University of Ibadan, Ibadan, Nigeria
| | - Tolulope O. Ajala
- Department of Pharmaceutics and Industrial Pharmacy, University of Ibadan, Ibadan, Nigeria
| | | | - Joerg Fettke
- Institute of Biochemistry and Biology, University of Potsdam, Golm, Germany
| | - Oluwatoyin A. Odeku
- Department of Pharmaceutics and Industrial Pharmacy, University of Ibadan, Ibadan, Nigeria
- Corresponding author.
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9
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Flavonoid and Phenolic Acid Profiles of Dehulled and Whole Vigna subterranea (L.) Verdc Seeds Commonly Consumed in South Africa. Molecules 2022; 27:molecules27165265. [PMID: 36014504 PMCID: PMC9415687 DOI: 10.3390/molecules27165265] [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: 06/17/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 11/24/2022] Open
Abstract
Bambara groundnut (BGN) is an underexploited crop with a rich nutrient content and is used in traditional medicine, but limited information is available on the quantitative characterization of its flavonoids and phenolic acids. We investigated the phenolic profile of whole seeds and cotyledons of five BGN varieties consumed in South Africa using UPLC-qTOF-MS and GC-MS. Twenty-six phenolic compounds were detected/quantified in whole seeds and twenty-four in cotyledon, with six unidentified compounds. Flavonoids include flavan-3-ol (catechin, catechin hexoside-A, catechin hexoside-B), flavonol (quercetin, quercetin-3-O-glucoside, rutin, myricetin, kaempherol), hydroxybenzoic acid (4-Hydroxybenzoic, 2,6 Dimethoxybenzoic, protocatechuic, vanillic, syringic, syringaldehyde, gallic acids), hydroxycinnamic acid (trans-cinnamic, p-coumaric, caffeic, ferulic acids) and lignan (medioresinol). The predominant flavonoids were catechin/derivatives, with the highest content (78.56 mg/g) found in brown BGN. Trans-cinnamic and ferulic acids were dominant phenolic acid. Cotyledons of brown and brown-eyed BGN (317.71 and 378.59 µg/g) had the highest trans-cinnamic acid content, while red seeds had the highest ferulic acid (314.76 µg/g) content. Colored BGN had a significantly (p < 0.05) higher content of these components. Whole BGN contained significantly (p < 0.05) higher amount of flavonoids and phenolic acids, except for the trans-cinnamic acid. The rich flavonoid and phenolic acid content of BGN seeds highlights the fact that it is a good source of dietary phenolics with potential health-promoting properties.
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10
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Adedayo BC, Anyasi TA, Taylor MJC, Rautenbauch F, Le Roes-Hill M, Jideani VA. Phytochemical composition and antioxidant properties of methanolic extracts of whole and dehulled Bambara groundnut (Vigna subterranea) seeds. Sci Rep 2021; 11:14116. [PMID: 34239002 PMCID: PMC8266856 DOI: 10.1038/s41598-021-93525-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/16/2021] [Indexed: 01/28/2023] Open
Abstract
The distribution of phytochemicals and their contribution to antioxidant potentials in whole and dehulled Bambara groundnut (BGN) seeds was evaluated. Whole BGN seeds were sorted using the testa and hilium colour and further grouped into whole and dehulled BGN seeds. Extractions of both whole and dehulled BGN seeds was done using methanol and the extracts assayed for total phenolics (TPC), flavanol, flavonol, anthocyanin content, oxygen radical absorbance capacity (ORAC) and ferric reducing antioxidant power (FRAP). Methanolic extract of whole BGN seed exhibited higher flavanol and flavonol content as well as significantly higher in-vitro antioxidant activities than dehulled BGN seeds. The TPC of whole BGN seed extract ranged from 3.6 to 11.0 GAE/g, while that of dehulled BGN ranged from 2.7 to 3.2 GAE/g. Identification of phenolics in whole and dehulled BGN seed extract using UPLC-qTOF-MS, revealed the presence of monoterpenoids (iridoids), phenolic acids, flavonoids and lignans. Bivariate correlations showed anthocyanin demonstrated weak positive correlation between flavanol, flavonol and ORAC for whole BGN seed extract; and negative correlation between flavanol, TPC, FRAP and ORAC for dehulled BGN. Aside the effect of dehulling, whole BGN seeds exhibited the presence of phytochemicals with beneficial properties for food and industrial application.
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Affiliation(s)
- Bukola C Adedayo
- Department of Food Science and Technology, Cape Peninsula University of Technology, Bellville, 7535, South Africa
| | - Tonna A Anyasi
- Department of Food Science and Technology, Cape Peninsula University of Technology, Bellville, 7535, South Africa.,Agro-Processing and Postharvest Technologies Division, Agricultural Research Council-Tropical and Subtropical Crops, Private Bag X11208, Nelspruit, 1200, South Africa
| | - Malcolm J C Taylor
- Mass Spectrometry Unit, Central Analytical Facilities, Stellenbosch University, Private Bag X1, Matieland, 7600, South Africa
| | - Fanie Rautenbauch
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville, 7535, South Africa
| | - Marilize Le Roes-Hill
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville, 7535, South Africa
| | - Victoria A Jideani
- Department of Food Science and Technology, Cape Peninsula University of Technology, Bellville, 7535, South Africa.
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11
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Bento JAC, Ribeiro PRV, Alexandre E Silva LM, Alves Filho EG, Bassinello PZ, de Brito ES, Caliari M, Soares Júnior MS. Chemical profile of colorful bean (Phaseolus vulgaris L) flours: Changes influenced by the cooking method. Food Chem 2021; 356:129718. [PMID: 33836354 DOI: 10.1016/j.foodchem.2021.129718] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 11/26/2022]
Abstract
This study aimed to determine how the cooking methods change the phenolics and saponins profiles, oligosaccharides, antinutrients and antioxidant properties of flours from colorful beans. The autoclave cooking consisted of: 6 h soaking and 5 min cooking (C5); and 20 min cooking without soaking (C20). Both cooking methods significantly promote changes on the chemical compounds studied, and the intensity of these variations were affected by the cultivars. Most of flours of C5 beans presented a lower loss of anthocyanins (3.9-70.0%), DPPH (11.7-87.2%), ABTS (0.0-82.7%), and tannins (0.0-90.0%) compared with C20. The cooked flours of Artico and Realce showed some similarities among chemical compounds, as well as the lowest concentration of tannins (0.0 mg‧g-1), antioxidant activity (0.40 µmol Trolox‧g-1), and higher amounts of oligosaccharides and acetylcholine. Most of cooked flours presented a reduction in phenolics and soyasaponins αg and βg, and an increase in soyasaponins Ba and I and oligosaccharides (mainly C20 flours).
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Affiliation(s)
| | | | | | - Elenilson Godoy Alves Filho
- EMBRAPA Tropical Agroindustry, Street Pernambuco, 2270 - Pici, CP 3761, CEP 60511-110 Fortaleza, Ceará, Brazil.
| | - Priscila Zaczuk Bassinello
- EMBRAPA Rice and Beans, Rodovia GO-462, km 12, Zona Rural, CP 179, CEP 75375-000 Santo Antônio de Goiás, Goiás, Brazil.
| | - Edy Sousa de Brito
- EMBRAPA Tropical Agroindustry, Street Pernambuco, 2270 - Pici, CP 3761, CEP 60511-110 Fortaleza, Ceará, Brazil.
| | - Márcio Caliari
- Food Science and Technology Department, Federal University of Goiás - UFG, CP 131, CEP 74690-900 Goiânia, Goiás, Brazil.
| | - Manoel Soares Soares Júnior
- Food Science and Technology Department, Federal University of Goiás - UFG, CP 131, CEP 74690-900 Goiânia, Goiás, Brazil.
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12
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Tsamo AT, Mohammed M, Dakora FD. Metabolite Fingerprinting of Kersting's Groundnut [ Macrotyloma geocarpum (Harms) Maréchal & Baudet] Seeds Using UPLC-qTOF-MS Reveals the Nutraceutical and Antioxidant Potentials of the Orphan Legume. Front Nutr 2021; 7:593436. [PMID: 33385005 PMCID: PMC7770220 DOI: 10.3389/fnut.2020.593436] [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: 08/10/2020] [Accepted: 11/23/2020] [Indexed: 01/04/2023] Open
Abstract
The identification and subsequent quantification of phenolic compounds in plants is the first step toward harnessing their associated nutritional and health benefits. Due to their diverse phenolic compound compositions, grain legumes are known for their high nutritional and health values. The aim of this study was to assess the inter-variations in chemical composition, phytochemical content, and antioxidant capacity of seed extracts from eight Kersting's groundnut [Macrotyloma geocarpum (Harms) Marechal & Baudet] landraces. The chemical profiles were evaluated using UPLC-qTOF-MS. Total phenolics and flavonoids content were determined by the Folin-Ciocalteu and aluminum chloride methods, respectively. The antioxidant capacities in the forms of DPPH and ABTS were evaluated using spectrophotometric methods. Principal component analysis was used to define similarities/differences between the landraces. Based on untargeted metabolomics analysis, 57 metabolites were identified, with phenolics, triterpenes, fatty acids, and sphingolipids being the most predominant. The results showed that the black seeded KG1 (Puffeun) had the highest total phenolic (9.44 mg GAE/g) and flavonoid (3.01 mg QE/g) contents, as well as antioxidant capacity (9.17 μg/mL and 18.44 μg/mL based on DDPH and ABTS assays, respectively). The concentrations of ferulic acid hexoside, procyanidin B2, eryodictyiol-7-rutinoside and quercetin pentoside ranged from 51.78–441.31, 1.86–18.25, 3.26–13.95 to 5.44–63.85 μg/mg, respectively. This study presents a useful report on the phytochemical characterization of Kersting's groundnuts and shows that the grains can be used as a source of nutraceuticals for human consumption.
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Affiliation(s)
- Armelle Tontsa Tsamo
- Department of Organic Chemistry, University of Yaoundé I, Yaounde, Cameroon.,Department of Chemistry, Tshwane University of Technology, Pretoria, South Africa
| | - Mustapha Mohammed
- Department of Chemistry, Tshwane University of Technology, Pretoria, South Africa.,Department of Crop Sciences, Tshwane University of Technology, Pretoria, South Africa
| | - Felix Dapare Dakora
- Department of Chemistry, Tshwane University of Technology, Pretoria, South Africa
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Nie R, Zhang Y, Jin Q, Zhang S, Wu G, Chen L, Zhang H, Wang X. Identification and characterisation of bioactive compounds from the seed kernels and hulls of Paeonia lactiflora Pall by UPLC-QTOF-MS. Food Res Int 2021; 139:109916. [DOI: 10.1016/j.foodres.2020.109916] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/03/2020] [Accepted: 11/18/2020] [Indexed: 12/13/2022]
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14
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Tan XL, Azam-Ali S, Goh EV, Mustafa M, Chai HH, Ho WK, Mayes S, Mabhaudhi T, Azam-Ali S, Massawe F. Bambara Groundnut: An Underutilized Leguminous Crop for Global Food Security and Nutrition. Front Nutr 2020; 7:601496. [PMID: 33363196 PMCID: PMC7758284 DOI: 10.3389/fnut.2020.601496] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 11/02/2020] [Indexed: 12/14/2022] Open
Abstract
Rapid population growth, climate change, intensive monoculture farming, and resource depletion are among the challenges that threaten the increasingly vulnerable global agri-food system. Heavy reliance on a few major crops is also linked to a monotonous diet, poor dietary habits, and micronutrient deficiencies, which are often associated with diet-related diseases. Diversification-of both agricultural production systems and diet-is a practical and sustainable approach to address these challenges and to improve global food and nutritional security. This strategy is aligned with the recommendations from the EAT-Lancet report, which highlighted the urgent need for increased consumption of plant-based foods to sustain population and planetary health. Bambara groundnut (Vigna subterranea (L.) Verdc.), an underutilized African legume, has the potential to contribute to improved food and nutrition security, while providing solutions for environmental sustainability and equity in food availability and affordability. This paper discusses the potential role of Bambara groundnut in diversifying agri-food systems and contributing to enhanced dietary and planetary sustainability, with emphasis on areas that span the value chain: from genetics, agroecology, nutrition, processing, and utilization, through to its socioeconomic potential. Bambara groundnut is a sustainable, low-cost source of complex carbohydrates, plant-based protein, unsaturated fatty acids, and essential minerals (magnesium, iron, zinc, and potassium), especially for those living in arid and semi-arid regions. As a legume, Bambara groundnut fixes atmospheric nitrogen to improve soil fertility. It is resilient to adverse environmental conditions and can yield on poor soil. Despite its impressive nutritional and agroecological profile, the potential of Bambara groundnut in improving the global food system is undermined by several factors, including resource limitation, knowledge gap, social stigma, and lack of policy incentives. Multiple research efforts to address these hurdles have led to a more promising outlook for Bambara groundnut; however, there is an urgent need to continue research to realize its full potential.
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Affiliation(s)
- Xin Lin Tan
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Susan Azam-Ali
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Ee Von Goh
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Maysoun Mustafa
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Hui Hui Chai
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Wai Kuan Ho
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Sean Mayes
- Plant and Crop Sciences, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Leicestershire, United Kingdom
| | - Tafadzwanashe Mabhaudhi
- Center for Transformative Agricultural and Food Systems, School of Agricultural, Earth & Environmental Sciences, University of KwaZulu-Natal, Scottsville, South Africa
| | - Sayed Azam-Ali
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Festo Massawe
- Future Food Beacon Malaysia, University of Nottingham Malaysia, Semenyih, Malaysia
- School of Biosciences, University of Nottingham Malaysia, Semenyih, Malaysia
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15
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Udeh EL, Nyila MA, Kanu SA. Nutraceutical and antimicrobial potentials of Bambara groundnut ( Vigna subterranean): A review. Heliyon 2020; 6:e05205. [PMID: 33134573 PMCID: PMC7586076 DOI: 10.1016/j.heliyon.2020.e05205] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 11/19/2019] [Accepted: 10/07/2020] [Indexed: 11/17/2022] Open
Abstract
Bambara groundnut (Vigna subterranea (L.) Verdc.) [BGN] is an easy-to-cultivate vegetable crop neglected over the past years. It is a drought-tolerant crop with nutritional and medicinal values and as a result, the crop is referred to as nutraceuticals. Based on this, there exist a need to review the beneficial potential (nutraceutical value) of this neglected and underutilized crop to protect and promote its cultivation for food (source of nutrients) and medicines especially among rural poor communities in sub-Saharan Africa. This review systematically examines the background information and uses of BGN. The antimicrobial properties of BGN were also considered and examined to ascertain its nutraceutical importance. BGN has been reported as a crop possessing antioxidant and antimicrobial properties. Clinically, the extracts of BGN have been reported to exhibit antimicrobial activities against bacteria such as Klebsiella pneumoniae subsp. pneumoniae ATCC 700603, Pseudomonas aeruginosa ATCC 27853, Staphylococcus aureus subsp. aureus ATCC 33591, Escherichia coli, Bacillus cereus, yeast (Candida albicans) and mold (Aspergillus niger). This review outlines the uses of BGN as a functional food crop as well as its nutraceutical and antimicrobial potentials. However, there exist paucity of knowledge and literature on the crop's antimicrobial activities especially against plant pathogens of economic importance. Hence, this review proposes that more research be geared towards assessing the nutraceutical value and antimicrobial potentials of this crop against plant pathogens of economic importance and the promotion of the crop's cultivation.
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Affiliation(s)
- Ebere Lovelyn Udeh
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Sciences, University of South Africa, South Africa
| | - Monde A Nyila
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, South Africa
| | - Sheku Alfred Kanu
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Sciences, University of South Africa, South Africa.,Department of Crop Science, Njala University, Njala, Sierra Leone
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16
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Mai X, Liu Y, Tang X, Wang L, Lin Y, Zeng H, Luo L, Fan H, Li P. Sequential extraction and enrichment of flavonoids from Euonymus alatus by ultrasonic-assisted polyethylene glycol-based extraction coupled to temperature-induced cloud point extraction. ULTRASONICS SONOCHEMISTRY 2020; 66:105073. [PMID: 32247232 DOI: 10.1016/j.ultsonch.2020.105073] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/13/2020] [Accepted: 03/19/2020] [Indexed: 06/11/2023]
Abstract
A green method for simultaneous extraction and enrichment of flavonoids from Euonymus alatus was developed by ultrasonic-assisted extraction (UAE) and temperature-induced cloud point extraction (TICPE) using PEG-base aqueous solution as the extractant. Based on screening different molecular weights of PEGs, PEG-400/water was used as the extractant, and the effects of key factors on extraction yields of flavonoids were investigated by single-factor experiments and response surface methodology (RSM). The optimum conditions of UAE were as follows: PEG-400 concentration of 16% (w/w), particle size of 80 mesh, solvent-to-material ratio of 60:1, extraction temperature of 90 °C and extraction time of 15 min. The results obtained by validation experiments were consistent with the values predicted by RSM. Temperature-induced formation of the aqueous two-phase system (ATPS) and TICPE process were further investigated by controlling temperature and adding (NH4)2SO4. In the presence of (NH4)2SO4, the ATPS formed at 75 ℃ and pH 3.5 could effectively improve separation and recovery of flavonoids with enrichment factor of above five times. Gallic acid, catechin, dihydromyricetin and ellagic acid in the extract were identified and confirmed by UPLC-Q-TOF-MS and the corresponding standards. The UAE-TICPE coupled to HPLC was successfully applied for extraction and determination of flavonoids in two batches of Euonymus alatus. The extraction yields of catechin, dihydromyricetin and total flavonoids were 0.377-0.684 mg/g, 1.091-1.353 mg/g and 2.612-3.146 mg/g, respectively. Compared to conventional extraction methods, PEG-based UAE integrated with TICPE in one-step procedure exhibited higher extraction efficiency and better extraction selectivity.
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Affiliation(s)
- Xiaoman Mai
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yingtao Liu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Xunyou Tang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Provincial Public Laboratory of Analysis and Testing Technology, China National Analytical Center, Guangzhou 510070, China
| | - Liping Wang
- Guangdong Provincial Public Laboratory of Analysis and Testing Technology, China National Analytical Center, Guangzhou 510070, China
| | - Yuyang Lin
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Huiyun Zeng
- School of Basic Courses, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Laicheng Luo
- School of Basic Courses, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Huajun Fan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Pingfan Li
- School of Food Engineering and Biotechnology, Guangdong Industry Polytechnic, Guangzhou 510300, China
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17
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Evaluation of the Content of Polyphenols, Antioxidant Activity and Physicochemical Properties of Tortillas Added with Bambara Groundnut Flour. Molecules 2020; 25:molecules25133035. [PMID: 32635138 PMCID: PMC7411947 DOI: 10.3390/molecules25133035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/08/2020] [Accepted: 05/14/2020] [Indexed: 11/29/2022] Open
Abstract
The effect of substituting maize (masa) flour with Bambara groundnut flour in tortillas production was investigated. Thermal, antioxidant, physicochemical properties, degree of puffing and rollability of flour and tortillas were determined. Tortillas were produced from maize and Bambara Groundnut (BGN) flours at the ratio of 100:0, 95:5, 90:10, 85:15 and 80:20, respectively. Compositing maize with BGN flour showed an improvement on the proximate composition of maize flour and tortillas; however, carbohydrate content of tortillas significantly decreased with the addition of BGN in blends from 77.07 to 55.22. The temperatures of gelatinisation such as onset temperature (To) of flour blends increased from 57.50 to 71.95 °C, peak temperature (Tp) from 74.94 to 76.74 °C and the end temperature (Te) from 81.72 to 91.58 °C. Composite flours and tortillas had higher values of polyphenolic compounds and antioxidant activities than the control sample. Textural properties of control tortillas were higher than that of composite tortillas. Increase in the levels of BGN flour improved the weight and thickness of tortillas. However, diameter and spread ratio decreased. Degree of puffing and rollability of tortillas increased with the incorporation levels of BGN flour.
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Juliano FF, Alvarenga JFR, Lamuela-Raventos RM, Massarioli AP, Lima LM, Santos RC, Alencar SM. Polyphenol analysis using high-resolution mass spectrometry allows differentiation of drought tolerant peanut genotypes. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:721-731. [PMID: 31602648 DOI: 10.1002/jsfa.10075] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 09/15/2019] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Peanut (Arachis hypogaea L.) is an important economic food crop highly appreciated worldwide. Although peanut cultivation has been expanding to dry regions, with water stress during growth stages, current genotypes are not adapted to drought. This study aimed to identify and quantify the full range of polyphenols in five peanut genotypes with different degrees of drought tolerance developed by Embrapa (Brazil) using ultra-high-definition accurate-mass liquid chromatography-electrospray ionization-LTQ-Orbitrap-mass spectrometry. RESULTS Fifty-eight polyphenols of the classes hydroxybenzoic acids, hydroxycinnamic acids, flavanols, flavonols and flavanones were identified and quantified using high mass accuracy data and confirmed by tandem mass spectrometric experiments. High-definition mass spectrometric analyses revealed nine phenolic compounds that have never been reported in peanuts before. Polyphenol assessment using multivariate analysis allowed identification of the level of similarities among the five peanut genotypes studied. CONCLUSION Higher drought-tolerant genotypes exhibited higher content of flavonoids, which suggests a relationship between these compounds and drought tolerance traits. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Fernanda F Juliano
- Department of Agri-food Industry, Food and Nutrition, 'Luiz de Queiroz' College of Agriculture, University of São Paulo, Piracicaba, Brazil
| | - José Fernando R Alvarenga
- Department of Food and Nutrition, School of Pharmaceutical Sciences, São Paulo State University-UNESP, Araraquara, Brazil
| | - Rosa Maria Lamuela-Raventos
- Department of Nutrition, Food Sciences and Gastronomy, XARTA, INSA-UB, School of Pharmacy and Food Sciences, University of Barcelona, Carrer de Prat de la Riba, Santa Coloma de Gramenet, Spain
| | - Adna P Massarioli
- Department of Agri-food Industry, Food and Nutrition, 'Luiz de Queiroz' College of Agriculture, University of São Paulo, Piracicaba, Brazil
| | - Liziane M Lima
- Embrapa Cotton, Brazilian Agricultural Research Corporation, Campina Grande, Brazil
| | - Roseane C Santos
- Embrapa Cotton, Brazilian Agricultural Research Corporation, Campina Grande, Brazil
| | - Severino M Alencar
- Department of Agri-food Industry, Food and Nutrition, 'Luiz de Queiroz' College of Agriculture, University of São Paulo, Piracicaba, Brazil
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Wang X, Yu N, Peng H, Hu Z, Sun Y, Zhu X, Jiang L, Xiong H. The profiling of bioactives in Akebia trifoliata pericarp and metabolites, bioavailability and in vivo anti-inflammatory activities in DSS-induced colitis mice. Food Funct 2020; 10:3977-3991. [PMID: 31204754 DOI: 10.1039/c9fo00393b] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The fruit of Akebia trifoliata is popular in Asia, but researches concerning the phytochemicals of A. trifoliate pericarp extract (APE) and their metabolites, bioavailability, metabolism and anti-inflammatory activity in vivo are less known. In the present study, the chemical constituents of APE and their metabolites of rats after oral administration were identified using UPLC-LTQ-Orbitrap-MS/MS. A total of 18 compounds were tentatively characterized in APE, while 8 original compounds and 8 metabolites were observed in plasma, and 10 original compounds and 39 metabolites were detected in urine. Deglycosylation, glucuronidation, methylation and sulfation were the reactions that mainly occurred in the metabolism in vivo. Meanwhile, APE supplementation decreased dextran sulphate sodium (DSS)-induced colitis in mice, ameliorating epithelial barrier disruption, suppressing the proliferation and infiltration of immune cells, modulating the secretion of nitric oxide (NO) and prostaglandin E2 (PGE2), decreasing the expression of nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) as well as regulating oxidative stress in vivo. The results suggested that APE triterpenoids and their metabolites as major contributors to anti-inflammatory activities, providing a scientific basis for the use of APE as a functional food to ameliorate colon health in humans.
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Affiliation(s)
- Xiaoya Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
| | - Ningxiang Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
| | - Hailong Peng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
| | - Zhenying Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
| | - Yong Sun
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
| | - Xuemei Zhu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
| | - Li Jiang
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, Jiangxi, China
| | - Hua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China.
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20
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Identification and quantification of anthocyanins in seeds of Kersting’s groundnut [Macrotyloma geocarpum (Harms) Marechal & Baudet] landraces of varying seed coat pigmentation. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2019. [DOI: 10.1007/s11694-019-00150-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Adebiyi JA, Njobeh PB, Kayitesi E. Assessment of nutritional and phytochemical quality of Dawadawa (an African fermented condiment) produced from Bambara groundnut (Vigna subterranea). Microchem J 2019. [DOI: 10.1016/j.microc.2019.104034] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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22
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Lang H, Yang R, Dou X, Wang D, Zhang L, Li J, Li P. Simultaneous determination of 19 phenolic compounds in oilseeds using magnetic solid phase extraction and LC-MS/MS. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.03.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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23
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Insights into the Phylogeny, Nodule Function, and Biogeographic Distribution of Microsymbionts Nodulating the Orphan Kersting's Groundnut [ Macrotyloma geocarpum (Harms) Marechal & Baudet] in African Soils. Appl Environ Microbiol 2019; 85:AEM.00342-19. [PMID: 30952658 PMCID: PMC6532025 DOI: 10.1128/aem.00342-19] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 03/23/2019] [Indexed: 02/06/2023] Open
Abstract
Kersting's groundnut [Macrotyloma geocarpum (Harms) Marechal & Baudet] is a neglected indigenous African legume adapted to growth in N-deficient soils due to its ability to fix atmospheric N2 via symbiosis with rhizobia. Despite its nutritional and medicinal uses, to date there is little information on the phylogeny and functional traits of its microsymbionts, aspects that are much needed for its conservation and improvement. This study explored the morphogenetic diversity, phylogenetic relationships, and N2-fixing efficiency of Kersting's groundnut rhizobial isolates from contrasting environments in Ghana, South Africa, and Mozambique. BOX-PCR fingerprinting revealed high diversity among the rhizobial populations, which was influenced by geographic origin. Of the 164 isolates evaluated, 130 BOX-PCR types were identified at a 70% similarity coefficient, indicating that they were not clones. Soil pH and mineral concentrations were found to influence the distribution of bradyrhizobial populations in African soils. Phylogenetic analysis of 16S rRNA genes and multilocus sequence analysis of protein-coding genes (atpD, glnII, gyrB, and rpoB) and symbiotic genes (nifH and nodC) showed that Kersting's groundnut is primarily nodulated by members of the genus Bradyrhizobium, which are closely related to Bradyrhizobium vignae 7-2T, Bradyrhizobium kavangense 14-3T, Bradyrhizobium subterraneum 58-2-1T, Bradyrhizobium pachyrhizi PAC48T, the type strain of Bradyrhizobium elkanii, and novel groups of Bradyrhizobium species. The bradyrhizobial populations identified exhibited high N2 fixation and induced greater nodulation, leaf chlorophyll concentration, and photosynthetic rates in their homologous host than did the 5 mM KNO3-fed plants and/or the commercial Bradyrhizobium sp. strain CB756, suggesting that they could be good candidates for inoculant formulations upon field testing.IMPORTANCE Rhizobia play important roles in agroecosystems, where they contribute to improving overall soil health through their symbiotic relationship with legumes. This study explored the microsymbionts nodulating Kersting's groundnut, a neglected orphan legume. The results revealed the presence of different bradyrhizobial populations with high N2-fixing efficiencies as the dominant symbionts of this legume across diverse agroecologies in Africa. Our findings represent a useful contribution to the literature in terms of the community of microsymbionts nodulating a neglected cultivated legume and its potential for elevation as a major food crop. The presence of potentially novel bradyrhizobial symbionts of Kersting's groundnut found in this study offers an opportunity for future studies to properly describe, characterize, and delineate these isolates functionally and phylogenetically for use in inoculant production to enhance food/nutritional security.
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Lu M, Hu Q, Zhang Y, Zhai Y, Zhou Y, Jiang J. Comparative chemical profiling of three TCM drugs in the Paeoniaceae family by UPLC-MS/MS combined with chemometric methods. BIOCHEM SYST ECOL 2019. [DOI: 10.1016/j.bse.2019.02.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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25
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Yang QQ, Cheng L, Long ZY, Li HB, Gunaratne A, Gan RY, Corke H. Comparison of the Phenolic Profiles of Soaked and Germinated Peanut Cultivars via UPLC-QTOF-MS. Antioxidants (Basel) 2019; 8:E47. [PMID: 30791635 PMCID: PMC6406428 DOI: 10.3390/antiox8020047] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 02/12/2019] [Accepted: 02/17/2019] [Indexed: 11/29/2022] Open
Abstract
Diverse peanut varieties are widely cultivated in China. However, few studies have investigated the effects of germination on the phenolic profiles and antioxidant activities of specific Chinese peanut cultivars. Therefore, this study was conducted to evaluate the effects of germination on total phenolic content (TPC), total flavonoid content (TFC), antioxidant activity, and phenolic profiles of seven peanut cultivars in China. The TPC, TFC, and antioxidant activities were determined by spectrophotometry, while phenolic profiles were analyzed by using ultra-high performance liquid chromatography coupled with quadrupole/time-of-flight mass spectrometry (UPLC-QTOF-MS). The results found that germination significantly increased TPC, TFC, and antioxidant activity. Antioxidant activity was found to be closely related to TPC in germinated peanut extracts, which indicates that phenolics are the main contributors of antioxidants in germinated peanuts. In addition, germination induced significant changes in polyphenolic profiles. In the analyzed samples, 36 phenolic compounds were identified in which most were flavonoids. Overall, these findings highlight that germinated peanuts can be a good natural source of natural antioxidants for human consumption and functional food development.
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Affiliation(s)
- Qiong-Qiong Yang
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Lin Cheng
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Zhi-Yuan Long
- Department of Resources & Environment, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Hua-Bin Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangdong Engineering Technology Research Center of Nutrition Translation, Department of Nutrition, School of Public Health, Sun Yat-Sen University, Guangzhou 510080, China.
| | - Anil Gunaratne
- Faculty of Agricultural Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya P.O. Box 02, Sri Lanka.
| | - Ren-You Gan
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Harold Corke
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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Tsamo AT, Mohammed H, Mohammed M, Papoh Ndibewu P, Dapare Dakora F. Seed coat metabolite profiling of cowpea ( Vigna unguiculata L. Walp.) accessions from Ghana using UPLC-PDA-QTOF-MS and chemometrics. Nat Prod Res 2019; 34:1158-1162. [PMID: 30663354 DOI: 10.1080/14786419.2018.1548463] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Cowpea (Vigna unguiculata L. Walp.) is an important grain legume in Africa exhibiting high morpho-genetic diversity. However, not much information exists on the phytochemical profiles of its hulls. This study explored the metabolite profiles of seed-coats from thirteen cowpea accessions of varying phenotypes using UPLC-QTOF-MS and chemometric analysis. A total of 34 secondary metabolites were identified, which comprised phenolic acids, flavonoids, anthocyanins, sphingolipids and fatty acids. Quantification of selected phenolic compounds revealed marked variations among the cowpea accessions. The chemical profiles of the test accessions were distinguished by multivariate analysis, and the results revealed a marked influence of seed-coat pigmentation on the observed differences in their metabolite profiles. Moreover, delphinidin (traces to 2257.6 µg/g), catechin glucoside (traces to 2840.6 µg/g), catechin (traces to 2089.2 µg/g) and epicatechin (26.3 to 3222.7 µg/g) contributed to the segregation amongst the studied samples. The concentrations of the discriminant metabolites were greater in the dark seeded cowpeas compared to their lighter seeded counterparts. The findings represent a useful contribution to the literature on cowpea seed coat metabolites, and also reveal their potential for use in the development of food and pharmaceutical products.
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Affiliation(s)
- Armelle Tontsa Tsamo
- Department of Chemistry, Tshwane University of Technology, Pretoria, South Africa.,Department of Organic Chemistry, University of Yaoundé I, Yaounde, Cameroon
| | - Haruna Mohammed
- Department of Crop Sciences, Tshwane University of Technology, Pretoria, South Africa.,CSIR-Savanna Agricultural Research Institute, Tamale, Ghana
| | - Mustapha Mohammed
- Department of Crop Sciences, Tshwane University of Technology, Pretoria, South Africa
| | - Peter Papoh Ndibewu
- Department of Chemistry, Tshwane University of Technology, Pretoria, South Africa
| | - Felix Dapare Dakora
- Department of Chemistry, Tshwane University of Technology, Pretoria, South Africa
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