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Cheng S, Su L, Guo X, Shao D, Qin Y, Liu X, Chu Q, Zhou X, He Z. Genome-wide development of simple sequence repeats markers and genetic diversity analysis of chayote. BMC PLANT BIOLOGY 2024; 24:603. [PMID: 38926681 PMCID: PMC11201790 DOI: 10.1186/s12870-024-05317-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 06/20/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Chayote is a high economic crop in the Cucurbitaceae family, playing an important role in food production, disease treatment and the production of degradable materials in industries. Due to the harsh environment, such as high temperature, drought and frost, some chayote resources are gradually disappearing. It is crucial to collect, characterize, and conserve chayote resources. However, the genetic diversity of chayote resources in China has not been studied so far. RESULTS In this study, we collected 35 individuals of chayote from 14 provinces in China. Subsequently, we found 363,156 SSR motifs from the chayote genome and designed 57 pairs of SSR primers for validation. Out of these, 48 primer pairs successfully amplified bands, with 42 of them showing polymorphism. These 42 primer pairs detected a total of 153 alleles, averaging 3.64 alleles per locus. The polymorphic information content ranged from 0.03 to 0.78, with an average value of 0.41, indicating a high level of polymorphism. Based on the analysis using STRUCTURE, PCoA, and UPGMA methods, the 35 chayote individuals were divided into two major clusters. Through further association analysis, 7 significantly associated SSR markers were identified, including four related to peel color and three related to spine. CONCLUSIONS These molecular markers will contribute to the analysis of genetic diversity and genetic breeding improvement of chayote in the future.
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Affiliation(s)
- Shaobo Cheng
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Lihong Su
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Xin Guo
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Dalong Shao
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Yanmei Qin
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Xuanxuan Liu
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Qianwen Chu
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Xiaoting Zhou
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China
| | - Zhongqun He
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, PR China.
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Mohammad FS, Das U, Samanta SK, Irfan Z, Gopinath SC, Mostafa MA, Al-Haidari RA, Abdellatif AA, Shehata AM, Gouda MM. Evaluation of Sechium edule fruit attenuation impact on the cardiomyopathy of the STZ-induced diabetic rats. Heliyon 2024; 10:e30440. [PMID: 38742087 PMCID: PMC11089326 DOI: 10.1016/j.heliyon.2024.e30440] [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: 01/22/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/16/2024] Open
Abstract
Sechium edule, commonly known as chayote is known for its low glycemic index, high fiber content, and rich nutritional profile, which suggests it may be beneficial for individuals with diabetes. While research specifically examining the impact of chayote on diabetes is limited, this study screened its biological impacts by using different biomarkers on streptozotocin-induced diabetic (STZ-ID) rats. The ethanolic extract of the Sechium edule fruits was assessed for different phytochemical, biochemical, and anti-diabetic properties. In the results, chayote extract had high phenolic and flavonoid contents respectively (39.25 ± 0.65 mg/mL and 12.16 ± 0.50 mg/mL). These high phenolic and flavonoid contents showed high implications on STZ-ID rats. Altogether 200 and 400 mg/kg of the extract considerably reduced the blood sugar level and enhanced the lipid profile of the STZ-ID rats. Additionally, they have decreased blood urea and serum creatinine levels. Besides, the levels of SGOT, SGPT, LDH, sodium, and potassium ions were significantly lowered after the administration period. More importantly, the electrocardiogram (ECG) parameters such as QT, RR, and QTc which were prolonged in the diabetic rats were downregulated after 35 days of administration of S. edule extract (400 mg/kg). And, the histological examination of the pancreas and kidney showed marked improvement in structural features of 200 and 400 mg/kg groups when compared to the diabetic control group. Where the increase in the glucose levels was positively correlated with QT, RR, and QTc (r2 = 0.76, r2 = 0.76, and r2 = 0.43) which means that ECG could significantly reflect the diabetes glucose levels. In conclusion, our findings showed that the fruit extract exerts a high potential to reduce artifacts secondary to diabetes which can be strongly suggested for diabetic candidates. However, there is a need to study the molecular mechanisms of the extract in combating artifacts secondary to diabetes in experimental animals.
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Affiliation(s)
- Firdous S. Mohammad
- Department of Pharmacology, Calcutta Institute of Pharmaceutical Technology & AHS, Uluberia, Howrah, 711316, West Bengal, India
| | - Ujjaini Das
- Emami Limited, 687 Anandapur, EM Bypass, Kolkata, 700107, West Bengal, India
| | - Samir K. Samanta
- Dr. B C Roy College of Pharmacy, Durgapur, 713212, West Bengal, India
| | - Zainab Irfan
- Department of Pharmaceutical Technology, Brainware University, Kolkata, 700125, West Bengal, India
| | - Subash C.B. Gopinath
- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600, Arau, Perlis, Malaysia
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), 01000, Kangar, Perlis, Malaysia
- Center for Global Health Research, Saveetha Medical College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602 105, Tamil Nadu, India
| | - Mahmoud A.H. Mostafa
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Al Madinah Al Munawarah, 41477, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt
| | - Rwaida A. Al-Haidari
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Al Madinah Al Munawarah, 41477, Saudi Arabia
| | - Ahmed A.H. Abdellatif
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Qassim, 51452, Saudi Arabia
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt
| | - Ahmed M. Shehata
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawarah, 41477, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Mostafa M. Gouda
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Department of Nutrition & Food Science, National Research Centre, Dokki, Giza, 12622, Egypt
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3
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Estrada-Girón Y, del Campo-Campos AM, Gutiérrez-García E, Fernández-Escamilla VV, Martínez-Chávez L, Jaime-Ornelas TJ. Composite Coatings Applied to Fresh and Blanched Chayote ( Sechium edule) and Modeling of the Drying Kinetics and Sorption Isotherms. Foods 2024; 13:1178. [PMID: 38672851 PMCID: PMC11049529 DOI: 10.3390/foods13081178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/01/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
Sustainable methods such as convective drying have regained interest in reducing the loss and waste of food produce. Combined with techniques like blanching and edible coatings, they could serve as useful tools in food processing development. Composite coatings comprising pectin, soy protein isolate, and xanthan gum were optimized using response surface methodology with the Box-Behnken design. This optimization aimed to investigate their effects on the moisture content, water activity, total color, and rehydration ratio of fresh and blanched chayote slices. Additionally, the study explored the modeling of the drying kinetics and sorption isotherms of chayote (Sechium edule) slices. Soy protein and xanthan gum were found to primarily influence the moisture content (ranging from 5.44% to 9.93%), and pectin influenced water activity (033 to 0.53) of the fresh-coated chayote, while pectin affected the aw (2.13-8.28) and rehydration of the blanch-coated chayote. The optimized formulations for both fresh and blanched chayote were utilized to assess the drying kinetics behavior and sorption isotherms. The best fit (R2: 0.996 to 0.999) was achieved with the parabolic model for thin-layer materials. Furthermore, the sorption isotherms of chayote displayed a Type IV behavior, with the BET model being the most suitable for describing the sorption behavior of materials with low water activity. The predicted values offer valuable data for optimizing processing conditions to enhance the quality and stability of dried chayote.
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Affiliation(s)
- Yokiushirdhilgilmara Estrada-Girón
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Blvd. Marcelino García Barragán 1421, Col. Olímpica, Guadalajara 44430, Jalisco, Mexico; (A.M.d.C.-C.); (E.G.-G.)
| | - Angelina Martín del Campo-Campos
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Blvd. Marcelino García Barragán 1421, Col. Olímpica, Guadalajara 44430, Jalisco, Mexico; (A.M.d.C.-C.); (E.G.-G.)
| | - Emmanuel Gutiérrez-García
- Departamento de Ingeniería Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Blvd. Marcelino García Barragán 1421, Col. Olímpica, Guadalajara 44430, Jalisco, Mexico; (A.M.d.C.-C.); (E.G.-G.)
| | - Víctor V. Fernández-Escamilla
- Departamento de Ciencias Tecnológicas, Centro Universitario de la Ciénega, Universidad de Guadalajara, Av. Universidad 1115, Col. Lindavista, Ocotlán 47820, Jalisco, Mexico
| | - Liliana Martínez-Chávez
- Departamento de Farmacobiología, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Blvd. Marcelino García Barragán 1421, Col. Olímpica, Guadalajara 44430, Jalisco, Mexico;
| | - Teresa J. Jaime-Ornelas
- Departamento de Salud Pública, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Camino Ramón Padilla Sánchez 2100, Zapopan 45200, Jalisco, Mexico;
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Ramírez-Trejo L, Núñez-Pastrana R, Soto-Contreras A. Micropropagation of Chayote (Sechium edule L.) var. virens levis in RITA ®. Methods Mol Biol 2024; 2759:97-104. [PMID: 38285143 DOI: 10.1007/978-1-0716-3654-1_10] [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] [Indexed: 01/30/2024]
Abstract
Chayote (Sechium edule) belongs to the Cucurbitaceae family, an important family at the nutritional and medicinal levels, that has been covering international markets. Having vigorous and healthy plants is important for producers, who are very interested in cultivating chayote plants obtained from in vitro tissue culture in their orchards. Bioreactors have become an alternative with high potential for plant propagation, showing significant advantages over micropropagation in semisolid medium, by generating more plant material, larger, and more vigorous. In this chapter, a micropropagation protocol of S. edule in RITA® bioreactors is reported.
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Affiliation(s)
- Lizandro Ramírez-Trejo
- Facultad de Ciencias Biológicas y Agropecuarias, Universidad Veracruzana, Amatlán de los Reyes, Veracruz, Mexico
| | - Rosalía Núñez-Pastrana
- Facultad de Ciencias Biológicas y Agropecuarias, Universidad Veracruzana, Amatlán de los Reyes, Veracruz, Mexico
| | - Anell Soto-Contreras
- Facultad de Ciencias Biológicas y Agropecuarias, Universidad Veracruzana, Amatlán de los Reyes, Veracruz, Mexico
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Calumba KFA, Castro MMC, Delima AGD, Loquias MP, Bayogan ERV, Alviola PA. Association between nutrient intake from vegetables and BMI category of in-school adolescents in urban and rural areas in Davao City, Philippines. DIALOGUES IN HEALTH 2023; 2:100116. [PMID: 38515469 PMCID: PMC10953906 DOI: 10.1016/j.dialog.2023.100116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/23/2023] [Accepted: 02/20/2023] [Indexed: 03/23/2024]
Abstract
Consumption of vegetables may contribute to alleviating the double burden of malnutrition, which is widespread among adolescents. However, the link between specific nutrient intakes from vegetables and the body mass index (BMI) of in-school adolescents is not widely studied. This study determined the association between the nutrient intakes from the vegetables consumed and the BMI category of in-school adolescents in urban and rural areas in Davao City, Philippines. Self-reported vegetable consumption was collected from the respondents, and the corresponding nutrient intakes were calculated using the USDA food composition tables. The BMI of the participating adolescents was also measured. The results show that being underweight or overweight is generally associated with lower macronutrient and micronutrient intakes from the vegetables consumed, namely, bell pepper, bitter gourd, cabbage, carrot, chayote, Chinese cabbage, cucumber, eggplant, Malabar spinach, moringa, mung bean, okra, potato, sponge gourd, squash, string beans, sweet potato, sweet potato tops, taro, tomato, water spinach (P < 0.05). The nutrient intakes from vegetables consumed by adolescents from urban households were generally higher. The findings highlight the contribution of vegetables to the nutrient intakes in the adolescent population. This study reinforces the need for targeted dietary guidelines and further promotion of vegetables, especially indigenous ones, to improve the nutritional status of adolescents in the Philippines.
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Affiliation(s)
- Kriza Faye A. Calumba
- Department of Food Science and Chemistry, University of the Philippines Mindanao, Philippines
| | | | - Aileen Grace D. Delima
- Department of Biological Sciences and Environmental Studies, University of the Philippines Mindanao, Philippines
| | - Melissa P. Loquias
- School of Management, University of the Philippines Mindanao, Philippines
| | - Emma Ruth V. Bayogan
- Department of Biological Sciences and Environmental Studies, University of the Philippines Mindanao, Philippines
| | - Pedro A. Alviola
- School of Management, University of the Philippines Mindanao, Philippines
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6
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Du Z, Qu F, Zhang C, Chen Z, Li Y, Wen L. Multi-Omics Analyses Unravel Metabolic and Transcriptional Differences in Tender Shoots from Two Sechium edule Varieties. Curr Issues Mol Biol 2023; 45:9060-9075. [PMID: 37998745 PMCID: PMC10670898 DOI: 10.3390/cimb45110568] [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: 10/23/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023] Open
Abstract
Chaylte vine, the tender shoot of Sechium edule, is popular among vegetable consumers because of its high nutritional content, crisp texture, and unique flavor. Existing studies on the nutrient composition of chaylte vines are mostly simple chemical determinations, which have limited the breeding of specialized cultivars and the development of related industries. Using metabolomics combined with transcriptomics, this study analyzed the metabolic characteristics and related molecular mechanisms of two common varieties of chaylte vines: green-skinned (SG) and white-skinned (SW). Between the two varieties, a total of 277 differentially accumulated metabolites (DAMs) and 739 differentially expressed genes (DEGs) were identified. Furthermore, chemical assays demonstrated that the SW exhibited a higher total flavonoid content and antioxidant capacity. In conclusion, it was found that the SG samples exhibited a higher diversity of flavonoid subclasses compared to the SW samples, despite having a lower total flavonoid content. This inconsistent finding was likely due to the differential expression of the phenylalanine ammonia-lyase (PAL) and chalcone synthase (CHS) genes in the two varieties. These results laid the foundation for investigating the mechanisms involved in flavonoid regulation and the breeding of specialized S. edule cultivars for chaylte vine production.
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Affiliation(s)
| | | | | | | | - Yurong Li
- Guizhou Horticulture Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550009, China; (Z.D.); (F.Q.); (C.Z.); (Z.C.); (L.W.)
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7
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Ke J, Zhang Y, Wang X, Sun J, Wang S, Ma Y, Guo Q, Zhang Z. Structural characterization of cell-wall polysaccharides purified from chayote ( Sechium edule) fruit. Food Chem X 2023; 19:100797. [PMID: 37780328 PMCID: PMC10534154 DOI: 10.1016/j.fochx.2023.100797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/30/2023] [Accepted: 07/13/2023] [Indexed: 10/03/2023] Open
Abstract
Chayote (Sechium edule), an underutilized cucurbit vegetable crop, has gained attention as it exhibits health-promoting properties. However, the primary structure of chayote cell-wall polysaccharides has not been comprehensively studied. In this study, two cell-wall polysaccharides, CP-1 (41.1 KDa) and CP-2 (15.6 KDa), were extracted from chayote, and the structural analysis of CP-1 and CP-2 was carried out by monosaccharide composition analysis, Fourier transform infrared spectroscopy (FTIR), methylation analysis, and nuclear magnetic resonance spectroscopy (NMR). The results demonstrated that CP-1 was a galactan, and CP-2 was an anionic heteropolysaccharide composed of galacturonic acid, galactose, arabinose, rhamnose, glucose, glucuronic acid, mannose, and xylose in the molar ratio of 31.2:26.3:24.9:7.4:6.5:1.9:1.3:0.5. CP-2 has a backbone of → 4)-β-d-Galp-(1 → 3,6)-β-d-Galp-(1 → 3)-β-d-Galp-(1 → 4)-α-d-GalpA-(1→, with branches at O-6 of → 3,6)-β-d-Galp-(1→, consisting of α-l-Araf-(1 → 5)-α-l-Araf-(1 → 4)-β-d-Glcp-(1 →. Analysis of the structural and physicochemical properties confirmed the excellent application characteristics of CP-1 and CP-2. Hence, cell-wall polysaccharides of chayote could be used as new polysaccharides materials.
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Affiliation(s)
- Jingxuan Ke
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang 473004, China
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China
| | - Yuhao Zhang
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang 473004, China
| | - Xin Wang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Jing Sun
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang 473004, China
| | - Siqi Wang
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang 473004, China
| | - Yanli Ma
- School of Zhang Zhongjing Health Care and Food, Nanyang Institute of Technology, Nanyang 473004, China
| | - Qing Guo
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China
| | - Zhiqing Zhang
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China
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Vieira EF, Fontoura AQ, Delerue-Matos C. Chayote ( Sechium edule (Jacq.) Swartz) Seed as an Unexploited Protein Source: Bio-Functional and Nutritional Quality of Protein Isolates. Foods 2023; 12:2949. [PMID: 37569219 PMCID: PMC10418905 DOI: 10.3390/foods12152949] [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: 07/07/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Chayote seeds have good protein quality and recognized bioactive properties, being still unexplored as a nutraceutical. In this work, chayote seed protein isolates (CSPIs) were prepared by alkaline extraction (AE) and ultrasonic-assisted extraction (UAE) using a probe (20 kHz) or a water bath (40 kHz), and their physicochemical, functional properties and nutraceutical potential were investigated. For all treatments, protein solutions (10% w/v) were treated for 20 min. The UAE significantly (p < 0.05) improved the protein extraction yield and functional properties (protein solubility, turbidity, and emulsifying and foaming properties) of CSPIs. This effect was more pronounced using a probe sonication device. The CSPI obtained by UAE-20 kHz contained 8.2 ± 0.9% dw of proteins with a balanced amino acid profile, higher content of essential amino acids (315.63 mg/g of protein) and higher protein digestibility (80.3 ± 4.5%). Furthermore, CSPI.UAE-20 kHz exhibited the highest phenolic content (7.22 mg GAE/g dw), antioxidant capacity and α-amylase inhibition (74%, at 100 μg/mL concentration). Overall, these results suggest that ultrasound technology contributed greatly to the corresponding functional and nutritional properties of chayote seed proteins. It would be, therefore, useful to apply this Cucurbitaceae species in food systems, promoting its nutritional and commercial value.
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Affiliation(s)
- Elsa F. Vieira
- REQUIMTE/LAQV, ISEP, Polytechnic of Porto—School of Engineering, Rua Dr. António Bernardino de Almeida, 431, 4249-015 Porto, Portugal; (A.Q.F.); (C.D.-M.)
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9
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Cheng S, Jia M, Su L, Liu X, Chu Q, He Z, Zhou X, Lu W, Jiang C. Genome-Wide Identification of the MADS-Box Gene Family during Male and Female Flower Development in Chayote (Sechium edule). Int J Mol Sci 2023; 24:ijms24076114. [PMID: 37047083 PMCID: PMC10094161 DOI: 10.3390/ijms24076114] [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: 02/13/2023] [Revised: 02/25/2023] [Accepted: 03/14/2023] [Indexed: 04/14/2023] Open
Abstract
The MADS-box gene plays an important role in plant growth and development. As an important vegetable of Cucurbitaceae, chayote has great edible and medicinal value. So far, there is little molecular research on chayote, and there are no reports on the MADS-box transcription factor of chayote. In this study, the MADS-box gene family of chayote was analyzed for the first time, and a total of 70 MADS-box genes were identified, including 14 type I and 56 type II MICK MADS genes. They were randomly distributed on 13 chromosomes except for chromosome 11. The light response element, hormone response element and abiotic stress response element were found in the promoter region of 70 MADS genes, indicating that the MADS gene can regulate the growth and development of chayote, resist abiotic stress, and participate in hormone response; GO and KEGG enrichment analysis also found that SeMADS genes were mainly enriched in biological regulation and signal regulation, which further proved the important role of MADS-box gene in plant growth and development. The results of collinearity showed that segmental duplication was the main driving force of MADS gene expansion in chayote. RNA-seq showed that the expression levels of SeMADS06, SeMADS13, SeMADS26, SeMADS28, SeMADS36 and SeMADS37 gradually increased with the growth of chayote, indicating that these genes may be related to the development of root tubers of 'Tuershao'. The gene expression patterns showed that 12 SeMADS genes were specifically expressed in the male flower in 'Tuershao' and chayote. In addition, SeMADS03 and SeMADS52 may be involved in regulating the maturation of male flowers of 'Tuershao' and chayote. SeMADS21 may be the crucial gene in the development stage of the female flower of 'Tuershao'. This study laid a theoretical foundation for the further study of the function of the MADS gene in chayote in the future.
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Affiliation(s)
- Shaobo Cheng
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Mingyue Jia
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Lihong Su
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Xuanxuan Liu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Qianwen Chu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhongqun He
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiaoting Zhou
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Wei Lu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Chengyao Jiang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
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10
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Froldi G. The Use of Medicinal Plants in Blood Vessel Diseases: The Influence of Gender. Life (Basel) 2023; 13:life13040866. [PMID: 37109395 PMCID: PMC10147070 DOI: 10.3390/life13040866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/17/2023] [Accepted: 03/23/2023] [Indexed: 04/29/2023] Open
Abstract
Data available in the literature on the use of herbal products to treat inflammation-related vascular diseases were considered in this study, while also assessing the influence of gender. To this end, the articles published in PubMed over the past 10 years that described the use of plant extracts in randomized clinical trials studying the effectiveness in vascular pathologies were analyzed. The difference in efficacy of plant-derived preparations in female and male subjects was always considered when reporting. The safety profiles of the selected plants were described, reporting unwanted effects in humans and also by searching the WHO database (VigiBase®). The medicinal plants considered were Allium sativum, Campomanesia xanthocarpa, Sechium edule, Terminalia chebula. Additionally, an innovative type of preparation consisting of plant-derived nanovesicles was also reported.
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Affiliation(s)
- Guglielmina Froldi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy
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11
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de Souza Medina T, D’Almeida CTDS, do Nascimento TP, de Abreu JP, de Souza VR, Kalili DC, Teodoro AJ, Cameron LC, Koblitz MG, Ferreira MSL. Food Service Kitchen Scraps as a Source of Bioactive Phytochemicals: Disposal Survey, Optimized Extraction, Metabolomic Screening and Chemometric Evaluation. Metabolites 2023; 13:metabo13030386. [PMID: 36984826 PMCID: PMC10057048 DOI: 10.3390/metabo13030386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/17/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Untargeted metabolomics is a powerful tool with high resolution and the capability to characterize a wide range of bioactive natural products from fruit and vegetable by-products (FVB). Thus, this approach was applied in the study to evaluate the phenolic compounds (PC) by metabolomic screening in five FVB after optimizing their extraction. The total phenolic content and antioxidant activity analyses were able to select the best extractor (SM) and ultrasonication time (US) for each FVB; methanol was used as a control. Although ultrasonication yielded a lower number of PC identifications (84 PC), the US extract was the most efficient in total ionic abundance (+21% and +29% compared to the total PC and SM extracts, respectively). Ultrasonication also increased the phenolic acid (+38%) and flavonoid classes (+19%) extracted compared to SM, while the multivariate analyses showed the control as the most dissimilar sample. FVB extracted from the same parts of the vegetable/fruit showed similarities and papaya seed presented the most atypical profile. The application of the metabolomics approach increased the knowledge of the bioactive potential of the evaluated residues and possibilities of exploring and valorizing the generated extracts.
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Affiliation(s)
- Tatiana de Souza Medina
- Laboratory of Bioactives, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Carolina Thomaz dos Santos D’Almeida
- Laboratory of Bioactives, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
- Center of Innovation in Mass Spectrometry, Laboratory of Protein Biochemistry, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Talita Pimenta do Nascimento
- Laboratory of Bioactives, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
- Center of Innovation in Mass Spectrometry, Laboratory of Protein Biochemistry, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Joel Pimentel de Abreu
- Laboratory of Functional Food, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Vanessa Rosse de Souza
- Laboratory of Functional Food, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Diego Calandrini Kalili
- Laboratory of Bioactives, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Anderson Junger Teodoro
- Laboratory of Functional Food, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Luiz Claudio Cameron
- Center of Innovation in Mass Spectrometry, Laboratory of Protein Biochemistry, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Maria Gabriela Koblitz
- Center of Innovation in Mass Spectrometry, Laboratory of Protein Biochemistry, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
- Laboratory of Biotechnology, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
| | - Mariana Simões Larraz Ferreira
- Laboratory of Bioactives, Food and Nutrition Graduate Program, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
- Center of Innovation in Mass Spectrometry, Laboratory of Protein Biochemistry, Federal University of State of Rio de Janeiro (UNIRIO), Rio de Janeiro 22290-250, Brazil
- Correspondence:
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12
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Rivera-Martínez AR, Aguiñiga-Sánchez I, Cadena-Iñiguez J, Soto-Cruz I, Monroy-García A, Gómez-García G, Ledesma-Martínez E, Weiss-Steider B, Santiago-Osorio E. Fruit Extract of Sechium chinantlense (Lira & F. Chiang) Induces Apoptosis in the Human Cervical Cancer HeLa Cell Line. Nutrients 2023; 15:nu15030667. [PMID: 36771372 PMCID: PMC9920575 DOI: 10.3390/nu15030667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 02/01/2023] Open
Abstract
Sechium edule (Cucurbitaceae) is a commercial species of chayote and is just one of several species in the genus Sechium, whose extracts inhibit proliferation in tumor cell lines. The capacity of the wild species Sechium chinantlense (SCH) as an antitumor agent is unknown, as is the mechanism of action. In the present study, HeLa cervical cancer and HaCaT normal cell lines were treated with SCH and cell proliferation was inhibited in both cell lines in a dose-dependent manner similar to the effect of the antineoplastic agent cisplatin (Cis). Additionally, SCH arrested cell cycle progression but only in HeLa cells and induced apoptosis, as shown by phosphatidylserine translocation and caspase-3 activation, while Cis did so in both cell lines. Exploration of the mechanism of action of SCH in HeLa cells suggests that apoptosis was mediated by the intrinsic signaling pathway since there was no activation of caspase-8, but there was a release of cytochrome-c. These findings suggest that the SCH extract has the potential to selectively kill tumor cells by promoting apoptosis, without harming nontumor cells.
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Affiliation(s)
- Ana Rocío Rivera-Martínez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
| | - Itzen Aguiñiga-Sánchez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
- Department of Biomedical Sciences, School of Medicine, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 56410, Mexico
| | - Jorge Cadena-Iñiguez
- Innovation in Natural Resource Management, Postgraduate College, Campus San Luis Potosí, Salinas de Hidalgo, San Luis Potosí CP 78622, Mexico
| | - Isabel Soto-Cruz
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
| | - Alberto Monroy-García
- Immunology and Cancer Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center (IMSS), Mexico City CP 06720, Mexico
| | - Guadalupe Gómez-García
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
| | - Edgar Ledesma-Martínez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
| | - Benny Weiss-Steider
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City CP 09230, Mexico
- Correspondence:
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13
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Pu Y, Wang C, Jiang Y, Wang X, Ai Y, Zhuang W. Metabolic profiling and transcriptome analysis provide insights into the accumulation of flavonoids in chayote fruit during storage. Front Nutr 2023; 10:1029745. [PMID: 36937343 PMCID: PMC10019507 DOI: 10.3389/fnut.2023.1029745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 02/10/2023] [Indexed: 03/02/2023] Open
Abstract
Chayote (Sechium edulel) fruits are rich in flavonoids, folate, and low-calorie food. However, studies about the flavonoids and the corresponding regulatory mechanism of flavonoid synthesis in chayote fruits was still unclear. In present study, an integrated transcriptome and metabolite analysis of chayote fruits at three different storage stages were conducted to explore the flavonoid compositions and gene expression associated with flavonoid synthesis. Through the UPLC-MS/MS analysis, a total of 57 flavonoid compounds were detected. Of these, 42 flavonoid glycosides were significantly differential accumulation in chayote fruits at three different storage stages. Many genes associated with flavonoid synthesis were differentially expressed in chayote fruits at three different storage stages through RNA-seq analysis, including structural genes and some TFs. There was a high correlation between RNA-seq analysis and metabolite profiling, and the expression level of candidate genes in the flavonoid synthesis pathway were consistent with the dynamic changes of flavonoids. In addition, one R2R3-MYB transcription factor, FSG0057100, was defined as the critical regulatory gene of flavonoid synthesis. Furthermore, exogenous application of phenylalanine increased the total content of flavonoids and promoted some flavonoid biosynthesis-related gene expression in chayote fruits. The above results not only make us better understand the molecular mechanism of flavonoid synthesis in chayote fruits, but also contribute to the promotion and application of chayote products.
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Affiliation(s)
- YuTing Pu
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region, Ministry of Education, Collaborative Innovation Center for Mountain Ecology and Agro-Bioengineering (CICMEAB), College of Life Sciences, Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou, China
| | - Cheng Wang
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, College of Life Science and Technology, Hubei Engineering University, Xiaogan, China
| | - YongWen Jiang
- Tea Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Hangzhou, China
| | - XiaoJing Wang
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region, Ministry of Education, Collaborative Innovation Center for Mountain Ecology and Agro-Bioengineering (CICMEAB), College of Life Sciences, Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou, China
- *Correspondence: XiaoJing Wang,
| | - YuJie Ai
- Tea Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Hangzhou, China
- YuJie Ai,
| | - WeiBing Zhuang
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Jiangsu Province and Chinese Academy of Sciences, Nanjing Botanical Garden Memorial Sun Yat-sen, Institute of Botany, Nanjing, China
- WeiBing Zhuang,
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14
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KE J, DENG X, ZHANG Z. Preliminary characteristics of non-starch polysaccharide from chayote (Sechium edule). FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.114522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Jingxuan KE
- Nanyang Institute of Technology, China; Sichuan Agricultural University, China
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15
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Ramírez-Rodas YC, Arévalo-Galarza MDL, Cadena-Iñiguez J, Soto-Hernández RM, Peña-Valdivia CB, Guerrero-Analco JA. Chayote Fruit ( Sechium edule var. virens levis) Development and the Effect of Growth Regulators on Seed Germination. PLANTS (BASEL, SWITZERLAND) 2022; 12:108. [PMID: 36616239 PMCID: PMC9823722 DOI: 10.3390/plants12010108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/19/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
The chayote fruit is a nontraditional vegetable belonging to the Cucurbitaceae family. The fruit has an endocarpic recalcitrant seed that emerges postharvest, drastically shortening its shelf life. In this study, the changes during fruit and seed development before and after harvest (ah) are reported. Additionally, in order to investigate how growth regulators (GRs) affect seed germination, 2-cloroethylphosphonic acid (CPA) (200 µL L-1), gibberellic acid (GA3) (100 and 200 mg L-1), auxin (2,4-D) (0.5 and 1.0 mM), and abscisic acid (ABA) (0.5 and 1.0 mM) were applied after harvest. The results showed that the chayote fruit reached horticultural maturity at 21 days after anthesis, with a sigmoid trend: phase I featured slow growth and high transpiration; in phase II, growth was accelerated and accumulation of endosperm was observed; and in phase III, both growth rate and transpiration were reduced, soluble sugars increased, and the seed showed 25% cotyledon development. At day 13 ah, CPA, GA3, and 2,4-D (0.5 mM) increased seed germination, with values between 10 and 15 mm of the embryonary axis, and the treatments with 2,4-D (1 mM) and ABA (0.5 and 1.0 mM) retarded their growth (2-6 mm). This research allowed us to reveal the phenological phases and the shelf life of the chayote fruit, as well as the results of possible postharvest treatment with GRs; our results suggest that strategies to delay viviparism and prolong the shelf life of the fruit should be applied before 10 days ah, when the embryonic axis of the seed has not developed.
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Affiliation(s)
- Yeimy C. Ramírez-Rodas
- Colegio de Postgraduados, Campus Montecillo, Km. 36.5 Carretera México-Texcoco, Montecillo 56230, Mexico
| | | | - Jorge Cadena-Iñiguez
- Colegio de Postgraduados, Campus San Luis Potosí, San Iturbide No. 73, Salinas de Hidalgo, San Luis Potosí 78600, Mexico
| | - Ramón M. Soto-Hernández
- Colegio de Postgraduados, Campus Montecillo, Km. 36.5 Carretera México-Texcoco, Montecillo 56230, Mexico
| | - Cecilia B. Peña-Valdivia
- Colegio de Postgraduados, Campus Montecillo, Km. 36.5 Carretera México-Texcoco, Montecillo 56230, Mexico
| | - José A. Guerrero-Analco
- Red de Estudios Moleculares Avanzados, Clúster Biomimic, Instituto de Ecología, A. C. Carretera Antigua a Coatepec 351, Xalapa, Veracruz 91073, Mexico
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16
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Vieira EF, Souza S, Moreira MM, Cruz R, da Silva AB, Casal S, Delerue-Matos C. Valorization of Phenolic and Carotenoid Compounds of Sechium edule (Jacq. Swartz) Leaves: Comparison between Conventional, Ultrasound- and Microwave-Assisted Extraction Approaches. Molecules 2022; 27:7193. [PMID: 36364018 PMCID: PMC9657614 DOI: 10.3390/molecules27217193] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 04/10/2024] Open
Abstract
Chayote leaves are known for culinary and traditional medicine applications. This work intended to recover carotenoids and phenolic compounds from chayote leaves using the ultrasound-assisted extraction (UAE). A Box-Behnken design was employed to investigate the impact of extraction time, temperature, and ultrasonic power on the recovery of total carotenoids, total phenolic compounds, and antioxidant activities. For comparative purposes, chayote leaf extracts were prepared by maceration (ME) and microwave-assisted extraction (MAE), using the same time and temperature conditions optimized by UAE. Extraction at 50 °C and 170 Watts for 30 min provided the optimal UAE conditions. UAE showed better extraction efficacy than ME and MAE. The HPLC analysis of the extracts showed that the xanthophyll class was the main class of carotenoids, which constituted 42-85% of the total carotenoid content, followed by β-carotene and tocopherol. Moreover, 26 compounds, classified as phenolic acids, flavonols, flavonoids and other polar compounds, were identified in the chayote leaf extracts. Flavonols accounted for 55% of the total compounds quantified (the major compound was myricetin) and phenolic acids represented around 35%, mostly represented by ferulic acid, chlorogenic acid and (+)-catechin. This study revealed the potential of UAE as an effective green extraction technique to recover bioactive compounds from chayote leaves, for food, and for pharmaceutical and cosmetic applications.
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Affiliation(s)
- Elsa F. Vieira
- REQUIMTE/LAQV, Polytechnic of Porto—School of Engineering (ISEP/IPP), Rua Doctor António Bernardino de Almeida, 4249-015 Porto, Portugal
| | - Suene Souza
- Faculty of Nutrition and Food Sciences, Rua do Campo Alegre, 4150-180 Porto, Portugal
| | - Manuela M. Moreira
- REQUIMTE/LAQV, Polytechnic of Porto—School of Engineering (ISEP/IPP), Rua Doctor António Bernardino de Almeida, 4249-015 Porto, Portugal
| | - Rebeca Cruz
- REQUIMTE/LAQV, Laboratório de Bromatologia e Hidrologia, Faculdade de Farmácia da Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Aline Boatto da Silva
- REQUIMTE/LAQV, Laboratório de Bromatologia e Hidrologia, Faculdade de Farmácia da Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Susana Casal
- REQUIMTE/LAQV, Laboratório de Bromatologia e Hidrologia, Faculdade de Farmácia da Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV, Polytechnic of Porto—School of Engineering (ISEP/IPP), Rua Doctor António Bernardino de Almeida, 4249-015 Porto, Portugal
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17
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Development and characterization of Sechium edule starch and polyvinyl alcohol nanofibers obtained by electrospinning. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Shang Z, Li M, Zhang W, Cai S, Hu X, Yi J. Analysis of phenolic compounds in pickled chayote and their effects on antioxidant activities and cell protection. Food Res Int 2022; 157:111325. [DOI: 10.1016/j.foodres.2022.111325] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 11/04/2022]
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Su L, Cheng S, Liu Y, Xie Y, He Z, Jia M, Zhou X, Zhang R, Li C. Transcriptome and Metabolome Analysis Provide New Insights into the Process of Tuberization of Sechium edule Roots. Int J Mol Sci 2022; 23:ijms23126390. [PMID: 35742832 PMCID: PMC9224348 DOI: 10.3390/ijms23126390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/21/2022] [Accepted: 05/25/2022] [Indexed: 02/04/2023] Open
Abstract
Chayote (Sechium edule) produces edible tubers with high starch content after 1 year of growth but the mechanism of chayote tuberization remains unknown. ‘Tuershao’, a chayote cultivar lacking edible fruits but showing higher tuber yield than traditional chayote cultivars, was used to study tuber formation through integrative analysis of the metabolome and transcriptome profiles at three tuber-growth stages. Starch biosynthesis- and galactose metabolism-related genes and metabolites were significantly upregulated during tuber bulking, whereas genes encoding sugars will eventually be exported transporter (SWEET) and sugar transporter (SUT) were highly expressed during tuber formation. Auxin precursor (indole-3-acetamide) and ethylene precursor, 1-aminocyclopropane-1-carboxylic acid, were upregulated, suggesting that both hormones play pivotal roles in tuber development and maturation. Our data revealed a similar tuber-formation signaling pathway in chayote as in potatoes, including complexes BEL1/KNOX and SP6A/14-3-3/FDL. Down-regulation of the BEL1/KNOX complex and upregulation of 14-3-3 protein implied that these two complexes might have distinct functions in tuber formation. Finally, gene expression and microscopic analysis indicated active cell division during the initial stages of tuber formation. Altogether, the integration of transcriptome and metabolome analyses unraveled an overall molecular network of chayote tuberization that might facilitate its utilization.
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Affiliation(s)
- Lihong Su
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
| | - Shaobo Cheng
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
| | - Yuhang Liu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
| | - Yongdong Xie
- Institute for Processing and Storage of Agricultural Products, Chengdu Academy of Agricultural and Forest Sciences, Chengdu 611130, China;
| | - Zhongqun He
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
- Correspondence:
| | - Mingyue Jia
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
| | - Xiaoting Zhou
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
| | - Ruijie Zhang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
| | - Chunyan Li
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (S.C.); (Y.L.); (M.J.); (X.Z.); (R.Z.); (C.L.)
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20
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Bharathi D, AlSalhi MS, Devanesan S, Nandagopal JGT, Kim W, Ranjithkumar R. Photocatalytic degradation of Rhodamine B using green-synthesized ZnO nanoparticles from Sechium edule polysaccharides. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02502-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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21
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Dynamics of microbial communities, flavor, and physicochemical properties of pickled chayote during an industrial-scale natural fermentation: Correlation between microorganisms and metabolites. Food Chem 2022; 377:132004. [PMID: 35030338 DOI: 10.1016/j.foodchem.2021.132004] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 10/13/2021] [Accepted: 11/28/2021] [Indexed: 01/20/2023]
Abstract
Pickled chayote is a Chinese fermented vegetable with unique flavors and is favored by local consumers. However, little is known about its quality changes and microbial community succession during fermentation and the relationship between microbes and quality. In the work, the physicochemical quality attributes (pH, acidity, nitrite, texture, and color) and flavor properties (sugars, organic acids, free amino acid [FAA], and volatiles) were investigated. The results revealed that organic acids, FAAs, and key volatiles (esters, terpenes, alcohols, and phenols) significantly increased during fermentation. Lactobacillus was the dominant bacterial genus with Lactobacillus alimentarius being the prevalent species; Kazachstania and Pichia were dominant fungal genera with Kazachstania humilis and Pichia membranifaciens being the prevalent species. The microbial metabolic network found that bacteria (L. alimentarius, L. futsaii, and L. paralimentarius) and fungi (K. humilis and P. membranifaciens) played significant roles in the physicochemical changes and flavor production of pickled chayote.
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22
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Arista-Ugalde TL, Santiago-Osorio E, Monroy-García A, Rosado-Pérez J, Aguiñiga-Sánchez I, Cadena-Iñiguez J, Gavia-García G, Mendoza-Núñez VM. Antioxidant and Anti-Inflammatory Effect of the Consumption of Powdered Concentrate of Sechium edule var. nigrum spinosum in Mexican Older Adults with Metabolic Syndrome. Antioxidants (Basel) 2022; 11:antiox11061076. [PMID: 35739973 PMCID: PMC9220335 DOI: 10.3390/antiox11061076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/22/2022] [Accepted: 05/26/2022] [Indexed: 02/04/2023] Open
Abstract
Metabolic syndrome (MetS) has a high prevalence in older adults and is a risk factor for cardiovascular diseases and complications of old age. It has also been related to oxidative stress (OxS) and chronic inflammation (CI) and their consequent alterations. Therefore, it is important to propose therapeutic alternatives such as the consumption of Sechium edule (Chayote), since hypoglycemic, hypotensive, and lipogenesis inhibitor properties are attributed to it. We carried out a study in 81 older adults (OA) with MetS to determine the effect of consumption of chayote powder concentrate (500 mg, three times a day) for six months, with a baseline measurement, at three and six months in an experimental group (EG) (n = 41) and a placebo group (PG) (n = 40), all with a diagnosis of MetS according to the criteria of National Adult Treatment Panel of the National Cholesterol Program III (NCEP/ATP III). Anthropometric, biochemical, OxS markers, and inflammation measurements were performed on all participants, basal, three, and six months after. A statistically significant decrease was found in the concentration of lipoperoxides (TBARS), 8-isoprostanes, 8-OHdG, oxidative stress score (OSS), HbA1c, blood pressure, and in the number of MetS diagnostic criteria, as well as an increase in total antioxidant status (TAS), antioxidant gap (GAP), superoxide dismutase (SOD), interleukin 10 (IL-10), and HDL-cholesterol in EG. The results suggest that the consumption of Sechium edule powder has a hypotensive, hypoglycemic, antioxidant, and anti-inflammatory effect in OA with MetS and reduced the percentage of patients with MetS.
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Affiliation(s)
- Taide Laurita Arista-Ugalde
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (T.L.A.-U.); (J.R.-P.); (G.G.-G.)
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico;
| | - Alberto Monroy-García
- Immunology and Cancer Laboratory, Medical Research Unit in Oncological Diseases, CMN SXXI, Instituto Mexicano del Seguro Social, Mexico City 06720, Mexico;
| | - Juana Rosado-Pérez
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (T.L.A.-U.); (J.R.-P.); (G.G.-G.)
| | - Itzen Aguiñiga-Sánchez
- Postgraduate College, Campus San Luis Potosí, Iturbide No. 73 Street, Salinas de Hidalgo, San Luis Potosí 78600, Mexico;
| | - Jorge Cadena-Iñiguez
- Department of Biomedical Sciences, School of Medicine, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico;
| | - Graciela Gavia-García
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (T.L.A.-U.); (J.R.-P.); (G.G.-G.)
| | - Víctor Manuel Mendoza-Núñez
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico; (T.L.A.-U.); (J.R.-P.); (G.G.-G.)
- Correspondence: ; Tel.: +52-55-5623-0721; Fax: +52-55-5773-6330
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Selected Species of the Cucurbitaceae Family Used in Mexico for the Treatment of Diabetes Mellitus. Molecules 2022; 27:molecules27113440. [PMID: 35684376 PMCID: PMC9182361 DOI: 10.3390/molecules27113440] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/09/2022] [Accepted: 05/24/2022] [Indexed: 12/03/2022] Open
Abstract
In Mexico, Diabetes mellitus (DM) is a serious health problem, and although the current pharmacological treatments for DM such as insulin and oral hypoglycemics are available, the Mexican population continues to use medicinal plants in the treatment of DM. The antidiabetic properties of the plant species that belong to the Cucurbitaceae family has already been recognized worldwide. Since Mexico is one of the most important centers of diversity of Cucurbitaceae, the present work contributes to the review of the most used species of Cucurbitaceae in the treatment of DM in Mexico. The reviewed species (Cucurbita ficifolia, C. maxima, C. moschata, C. pepo, Ibervillea sonorae, Sechium edule, Citrullus lanatus, Cucumis melo, and C. sativus) revealed that the antidiabetic effects exerted are effective in a number of mechanisms involved in the complex pathogenesis of DM: hypoglycemic, antioxidant, anti-inflammatory, anti-obesity, protective effects on diverse organs and cells, as well as in the control of dyslipidemias; furthermore, the select species of the Cucurbitaceae family could also be essential components of diets for the control of DM in patients with the disease. Thus, the Cucurbitaceae species selected in the present work represent a source of antidiabetic agents that perhaps establish the bases for novel clinical treatments.
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24
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Zhao G, Wang M, Luo C, Li J, Gong H, Zheng X, Liu X, Luo J, Wu H. Metabolome and Transcriptome Analyses of Cucurbitacin Biosynthesis in Luffa ( Luffa acutangula). FRONTIERS IN PLANT SCIENCE 2022; 13:886870. [PMID: 35747880 PMCID: PMC9209774 DOI: 10.3389/fpls.2022.886870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/13/2022] [Indexed: 05/17/2023]
Abstract
Cucurbitacins are extremely bitter compounds mainly present in Cucurbitaceae, where Luffa belongs. However, there is no comprehensive analysis of cucurbitacin biosynthesis in Luffa fruit. Therefore, this study analyzed bitter (WM709) and non-bitter (S1174) genotypes of Luffa to reveal the underlying mechanism of cucurbitacin biosynthesis by integrating metabolome and transcriptome analyses. A total of 422 metabolites were detected, including vitamins, essential amino acids, antioxidants, and antitumor substances. Of these, 131 metabolites showed significant differences between bitter (WM709) and non-bitter (S1174) Luffa fruits. The levels of isocucurbitacin B, cucurbitacin D, 23,24-dihydro cucurbitacin E, cucurbitacin F were significantly higher in bitter than in non-bitter Luffa. Transcriptome analysis showed that Bi, cytochromes P450s (CYP450s), and acyltransferase (ACT) of the cucurbitacin biosynthesis pathway, were significantly up-regulated. Moreover, drought stress and abscisic acid (ABA) activated genes of the cucurbitacin biosynthesis pathway. Furthermore, dual-luciferase reporter and yeast one-hybrid assays demonstrated that ABA-response element binding factor 1 (AREB1) binds to the Bi promoter to activate Bi expression. Comparative analysis of the Luffa and cucumber genomes showed that Bi, CYP450s, and ACT are located in the conserved syntenic loci, and formed a cucurbitacin biosynthesis cluster. This study provides important insights into major genes and metabolites of the cucurbitacin biosynthetic pathway, deepening the understanding of regulatory mechanisms of cucurbitacin biosynthesis in Luffa.
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Affiliation(s)
- Gangjun Zhao
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Meng Wang
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Caixia Luo
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Junxing Li
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Hao Gong
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Xiaoming Zheng
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Xiaoxi Liu
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Jianning Luo
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Jianning Luo,
| | - Haibin Wu
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
- *Correspondence: Haibin Wu,
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25
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Determination of nutritional constituents, antioxidant properties, and α-amylase inhibitory activity of Sechium edule (chayote) shoot from different extraction solvents and cooking methods. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Putri DP, Wahyuningtyas AP, Al-Baarri AN, Maharani N. The effect of chayote leaves (Sechium edule)’s flavonoid fraction on the reduction of the serum uric acid levels through the inhibition of xanthine oxidase activity. POTRAVINARSTVO 2021. [DOI: 10.5219/1667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Uric acid is the final product of purine metabolism and is categorized as hyperuricemia when it reaches >6.0 mg.dL-1 for women and >7.0 mg.dL-1 for men. The chayote leaves (Sechium edule) contain a high amount of flavonoid and might be used as an alternative to reduce hyperuricemia. The purpose of this study is to analyze the effect of chayote leaves (Sechium edule)’s flavonoid fraction on the level of uric acid and the activity of xanthine oxidase (XO) in Sprague Dawley Rats. The flavonoid fraction (FF) was obtained by extracting the chayote leaves, fractionating with n-hexane, hydrolyzing with HCl, and finally re-fractionating with ethyl acetate. Thirty male Sprague Dawley rats were induced for hyperuricemia by potassium oxonate and broth block for 21 days, and the interventions were given orally for 14 days. The rats were divided randomly into five groups: normal control (K-), hyperuricemia control (K+), hyperuricemia with FF dose 50 mg.200g-1 body weight (P1), hyperuricemia with FF dose 100 mg.200g-1 body weight (P2) and hyperuricemia with allopurinol 1.8 mg.200g-1 body weight. Xanthine oxidase activity was measured by CheKineTM Xanthine Oxidase Assay Kit, with simple colorimetry methods. The statistical analysis for XO activity was done using Kruskal-Wallis followed by Mann Whitney. The results showed that chayote leaves (Sechium edule)’s flavonoid fraction contains apigenin, apigenin o-glucoside, and luteolin. It also has antioxidant activity with 98.45% inhibition. There was a significant reduction in xanthine oxidase activity in groups treated with FF (p <0.005). The best dose of FF affecting XO activity was 100 mg.200g-1 body weight. The combination of FF and allopurinol can be more effective in decreasing uric acid levels by inhibiting XO activity.
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27
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Influence of Sechium edule starch on the physical and chemical properties of multicomponent microcapsules obtained by spray-drying. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101275] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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28
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Chan SM, Khoo KS, Sekaran SD, Sit NW. Mode-Dependent Antiviral Activity of Medicinal Plant Extracts against the Mosquito-Borne Chikungunya Virus. PLANTS 2021; 10:plants10081658. [PMID: 34451702 PMCID: PMC8400731 DOI: 10.3390/plants10081658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 07/23/2021] [Accepted: 07/26/2021] [Indexed: 11/22/2022]
Abstract
The lack of specific treatment for chikungunya fever makes the need for anti-chikungunya virus agents more crucial. This study was conducted to evaluate 132 extracts obtained by sequential solvent extraction from 21 medicinal plants for cytopathic effect inhibitory activity using virus-infected Vero cells in two different sample introduction modes. Among the extracts, 42 extracts (31.8%) from 12 plants in the concurrent mode and three extracts (2.3%) from a plant in the non-concurrent mode displayed strong cytopathic effect inhibitory activity (cell viability ≥70%). Viral load quantification analysis unveiled that the extracts of Clinacanthus nutans (chloroform, ethyl acetate, and ethanol), Hydrocotyle sibthorpioides (ethanol), and Ocimum americanum (ethanol and methanol) hindered the release of viral progeny from the infected cells while the extracts of Ficus deltoidea (ethanol), Gynura bicolor (water), H. sibthorpioides (water), and O. americanum (chloroform and ethyl acetate) blocked the entry of virus into the cells. The extracts of Diodella sarmentosa (ethyl acetate), Diplazium esculentum (chloroform, ethyl acetate, and ethanol), and G. bicolor (ethanol) possessed virucidal effect and caused 5.41-log to 6.63-log reductions of viral load compared to the virus control. The results indicate that these medicinal plants are potential sources of anti-chikungunya virus agents that have varied modes of action.
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Affiliation(s)
- Sze Mun Chan
- Department of Allied Health Sciences, Faculty of Science, Universiti Tunku Abdul Rahman, Bandar Barat, Kampar 31900, Malaysia;
| | - Kong Soo Khoo
- Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Bandar Barat, Kampar 31900, Malaysia;
| | - Shamala Devi Sekaran
- Faculty of Medicine & Health Sciences, UCSI University, Bandar Springhill, Port Dickson 71010, Malaysia;
| | - Nam Weng Sit
- Department of Allied Health Sciences, Faculty of Science, Universiti Tunku Abdul Rahman, Bandar Barat, Kampar 31900, Malaysia;
- Correspondence: or
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29
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Bandyopadhyay B, Mandal V, Mandal NC. Partial characterization of novel inulin-like prebiotic fructooligosaccharides of Sechium edule (Jacq.) Sw. (Cucurbitaceae) tuberous roots. J Food Biochem 2021; 45:e13764. [PMID: 33997995 DOI: 10.1111/jfbc.13764] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/22/2021] [Accepted: 04/27/2021] [Indexed: 12/17/2022]
Abstract
The fruits and aerial parts of Sechium edule (Jacq.) Sw. (Cucurbitaceae) are a popular cook vegetable being used in different parts of the world with ethnomedicinal and pharmacological values. However, the beneficial health attributes of the tuberous roots have been less exploited. The present study aimed to determine the prebiotic potentiality of the storage carbohydrates from this part. The carbohydrate fractions were harvested by hot-water, cold-water, hot-acid, hot-alkali, and hot 80% ethanol treatments following the standard protocol. The fractions were tested for in vitro prebiotic efficacy, hypocholesterolemic and antioxidant potentials, and in vivo health attributes in Swiss albino mice. The partial characterization was performed by high-performance thin-layer chromatography (HPTLC) and spectroscopic analyses by Fourier-transform infrared spectroscopy (FT-IR) and electrospray ionization mass spectrometry (ESI-MS). The highest prebiotic index was observed in hot-water and ethanol (Et-OH) fractions with the antioxidant IC50 values of 35.46 ± 0.33 and 32.56 ± 0.48 µg/ml, respectively. The HPTLC, FT-IR, and ESI-MS analyses showed that the hot-water and Et-OH carbohydrate fractions are rich in low-degree polymerizing inulin-like fructooligosaccharides (FOS). The fractions had a significant prebiotic index, hypocholesterolemic, and antioxidant activities. The synbiotic combination of the fractions with the probiotic LAB improved gut colonization and gut immune enhancement with significantly lowered triglycerides, serum LDL, and serum VLDL cholesterols. A significantly enhanced HDL cholesterol level proves its health beneficial attributes comparable to the commercial inulin prebiotics. Thus, this plant's novel inulin-like FOS may substitute the high-cost commercial prebiotics for our daily life. PRACTICAL APPLICATIONS: Prebiotics are low-degree polymerizing oligosaccharide food ingredients having multifaceted health benefits. For this reason, there is an ever-increasing global demand for such novel prebiotics. Therefore, finding out some novel prebiotic from conventional food sources may provide an alternative dietary source to fulfill the consumer demand. Sechium edule is a famous cook vegetable used by many ethnic communities across the globe. For the first time, the study revealed novel inulin-like fructooligosaccharides in the tuberous roots having hypocholesterolemic and synbiotic efficacy with GRAS lactic acid bacteria.
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Affiliation(s)
- Biplab Bandyopadhyay
- Mycology and Plant Pathology Laboratory, Department of Botany, Siksha Bhavan, Visva-Bharati, Santiniketan, India.,Plant and Microbial Physiology and Biochemistry Laboratory, Department of Botany, University of Gour Banga, Malda, India
| | - Vivekananda Mandal
- Plant and Microbial Physiology and Biochemistry Laboratory, Department of Botany, University of Gour Banga, Malda, India
| | - Narayan C Mandal
- Mycology and Plant Pathology Laboratory, Department of Botany, Siksha Bhavan, Visva-Bharati, Santiniketan, India
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30
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Sudargo T, Aulia B, Prameswari AA, Isnansetyo A, Puspita ID, Budiyanti SA, Muslichah R, Aristasari T, Putri SR, Alfionita K. Effect of Administration of CHAGURO Made of Chayote (Sechium edule) and Tuna (Thunnus sp.) on Rats Induced with Streptozotocin-Nicotinamide and a High-Fat Diet. CURRENT RESEARCH IN NUTRITION AND FOOD SCIENCE JOURNAL 2021. [DOI: 10.12944/crnfsj.9.1.24] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
This study was conducted to develop Chaguro, a low-cost supplementary food made of chayote (Sechium edule (Jacq.) Swartz) and tuna fish (Thunnus sp.), for diabetes and dyslipidemia diet therapy. In order to find a formula with effective hypoglycaemic and antidyslipidemic properties, dried tuna and chayote were mixed at different ratios: F1 (75% tuna, 25% chayote), F2 (50% tuna, 50% chayote), and F3 (25% tuna, 75% chayote). Thirty male Sprague Dawley rats were assigned into healthy control group or groups induced with streptozotocin-nicotinamide and a high-fat diet. Chaguro was administered 2.7 g/ kgBW/ day using a gavage for 28 days. The administration of all Chaguro formulas improved blood markers compared to the negative control group (p < 0.001). Chaguro F2 lowered fasting blood glucose (97.07±1.18 vs 266.31±5.31), total cholesterol (113.59±2.22 vs 208.78±4.31), triglycerides (89.93±2.51 vs 142.35±2.83), LDL-c (33.87±1.87 vs 87.85±3.34) and increased HDL-c (69,08±1,85 vs 23,91±1,64) level the most compared to the negative control group (p < 0.001). Streptozotocin-induced weight loss was also prevented in all diabetic rats fed with Chaguro, with the bodyweight being similar to that of healthy controls at the end of the intervention (p < 0.001). This study found that Chaguro may be a potential food product to help lower blood glucose and improve lipid profile in diabetes and dyslipidemia.
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Affiliation(s)
- Toto Sudargo
- 1Department of Nutrition and Health, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Bianda Aulia
- 1Department of Nutrition and Health, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Atika Anif Prameswari
- 1Department of Nutrition and Health, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Alim Isnansetyo
- 2Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Indun Dewi Puspita
- 2Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Siti Ari Budiyanti
- 2Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Rahadyana Muslichah
- 1Department of Nutrition and Health, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Tira Aristasari
- 1Department of Nutrition and Health, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Sheila Rosmala Putri
- 2Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Khusnul Alfionita
- 2Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta, Indonesia
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31
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Conceição Santos DF, Souza MA, Quintão de Almeida A, Montezano de Carvalho IM. Polyphenols and processing degree of food (NOVA system): Determining the association in a university menu. Int J Gastron Food Sci 2021. [DOI: 10.1016/j.ijgfs.2020.100292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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32
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Abstract
Apigenin-8-C-glucoside (vitexin), a natural phytochemical contained in hawthorn, has been reported to have versatile beneficial bioactivities, such as antioxidation, anticancer property, and adipogenesis inhibition. The present research aimed to determine the influence of vitexin on insulin resistance elicited by HFD in mice and HepG2 cells. Vitexin markedly alleviated body weight gain and improved glucose and insulin intolerance induced by HFD. Vitexin partially normalized blood glucose, cholesterol, TNF-α, and hepatic lipid content. Moreover, vitexin recovered the reduced glucose uptake induced by glucosamine. The present results indicate that vitexin prevents HFD-induced insulin resistance.
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33
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Fu A, Wang Q, Mu J, Ma L, Wen C, Zhao X, Gao L, Li J, Shi K, Wang Y, Zhang X, Zhang X, Wang F, Grierson D, Zuo J. Combined genomic, transcriptomic, and metabolomic analyses provide insights into chayote (Sechium edule) evolution and fruit development. HORTICULTURE RESEARCH 2021; 8:35. [PMID: 33517348 PMCID: PMC7847470 DOI: 10.1038/s41438-021-00487-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 01/07/2021] [Accepted: 01/07/2021] [Indexed: 05/11/2023]
Abstract
Chayote (Sechium edule) is an agricultural crop in the Cucurbitaceae family that is rich in bioactive components. To enhance genetic research on chayote, we used Nanopore third-generation sequencing combined with Hi-C data to assemble a draft chayote genome. A chromosome-level assembly anchored on 14 chromosomes (N50 contig and scaffold sizes of 8.40 and 46.56 Mb, respectively) estimated the genome size as 606.42 Mb, which is large for the Cucurbitaceae, with 65.94% (401.08 Mb) of the genome comprising repetitive sequences; 28,237 protein-coding genes were predicted. Comparative genome analysis indicated that chayote and snake gourd diverged from sponge gourd and that a whole-genome duplication (WGD) event occurred in chayote at 25 ± 4 Mya. Transcriptional and metabolic analysis revealed genes involved in fruit texture, pigment, flavor, flavonoids, antioxidants, and plant hormones during chayote fruit development. The analysis of the genome, transcriptome, and metabolome provides insights into chayote evolution and lays the groundwork for future research on fruit and tuber development and genetic improvements in chayote.
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Affiliation(s)
- Anzhen Fu
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
- College of Food Science and Technology, Hebei Agricultural University, Baoding, 071001, China
| | - Qing Wang
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
| | - Jianlou Mu
- College of Food Science and Technology, Hebei Agricultural University, Baoding, 071001, China
| | - Lili Ma
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
- College of Food Science and Technology, Hebei Agricultural University, Baoding, 071001, China
| | - Changlong Wen
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
| | - Xiaoyan Zhao
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
| | - Lipu Gao
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China
| | - Jian Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, 100048, China
| | - Kai Shi
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Yunxiang Wang
- Beijing Academy of Forestry and Pomology Sciences, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100093, China
| | - Xuechuan Zhang
- Biomarker Technologies Corporation, Beijing, 101300, China
| | - Xuewen Zhang
- Biomarker Technologies Corporation, Beijing, 101300, China
| | - Fengling Wang
- Biomarker Technologies Corporation, Beijing, 101300, China
| | - Donald Grierson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire, LE12 5RD, UK.
| | - Jinhua Zuo
- Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture, Beijing Key Laboratory of Fruits and Vegetable Storage and Processing, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China) of Ministry of Agriculture, Key Laboratory of Urban Agriculture (North) of Ministry of Agriculture, The Collaborative Innovation Center of Cucurbits Crops, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China.
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34
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Cui H, Zhu Z, Lu Z, Ding Z, Zhang C, Luan F. The complete chloroplast genome sequence of the Sechium edule (Jacq.) Swartz. (Cucurbitaceae). MITOCHONDRIAL DNA PART B-RESOURCES 2021; 6:97-98. [PMID: 33490597 PMCID: PMC7808746 DOI: 10.1080/23802359.2020.1847614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Sechium edule (Jacq.) Swartz is an important vegetable with both food and medicinal values. The complete chloroplast genome sequence of S. edule has been reported in this study. The total genome size is 154,558 bp in length and contains a pair of inverted repeats (IRs) of 19,128 bp, which were separated by large single-copy (LSC) and small single-copy (SSC) of 98,806 and 17,496 bp, respectively. A total of 122 genes were predicted including 78 protein-coding genes, 8 rRNA genes, and 36 tRNA genes. Further, the phylogenetic analysis confirmed that S. edule belongs to the family Cucurbitaceae. The complete chloroplast genome of S. edule would play a significant role in the development of molecular markers for plant phylogenetic and population genetic studies.
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Affiliation(s)
- Haonan Cui
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, PR China.,Key Laboratory of Biology and Genetic Improvement of Horticulture Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin, PR China
| | - Zicheng Zhu
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, PR China.,Key Laboratory of Biology and Genetic Improvement of Horticulture Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin, PR China
| | - Zhaokai Lu
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, PR China.,Key Laboratory of Biology and Genetic Improvement of Horticulture Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin, PR China
| | - Zhuo Ding
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, PR China.,Key Laboratory of Biology and Genetic Improvement of Horticulture Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin, PR China
| | - Chen Zhang
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, PR China.,Key Laboratory of Biology and Genetic Improvement of Horticulture Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin, PR China
| | - Feishi Luan
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, PR China.,Key Laboratory of Biology and Genetic Improvement of Horticulture Crops (Northeast Region), Ministry of Agriculture and Rural Affairs, Harbin, PR China
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35
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Pu YT, Luo Q, Wen LH, Li YR, Meng PH, Wang XJ, Tan GF. Origin, Evolution, Breeding, and Omics of Chayote, an Important Cucurbitaceae Vegetable Crop. FRONTIERS IN PLANT SCIENCE 2021; 12:739091. [PMID: 34630492 PMCID: PMC8497889 DOI: 10.3389/fpls.2021.739091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/23/2021] [Indexed: 05/02/2023]
Abstract
Chayote (Sechium edule), a member of the Cucurbitaceae family, is cultivated throughout tropical and subtropical regions of the world and utilized in pharmaceutical, cosmetic and food industries because it is an excellent source of minerals, dietary fibers, protein, vitamins, carotenoids, polysaccharides, phenolic and flavonoid compounds, and other nutrients. Chayote extracts process various medicinal properties, such as anti-cardiovascular, antidiabetic, antiobesity, antiulcer, and anticancer properties. With the rapid advancements of molecular biology and sequencing technology, studies on chayote have been carried out. Research advances, including molecular makers, breeding, genomic research, chemical composition, and pests and diseases, regarding chayote are reviewed in this paper. Future exploration and application trends are briefly described. This review provides a reference for basic and applied research on chayote, an important Cucurbitaceae vegetable crop.
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Affiliation(s)
- Yu-Ting Pu
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Guizhou University, Guiyang, China
| | - Qing Luo
- Institute of Horticulture, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Lin-Hong Wen
- Institute of Horticulture, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Yu-Rong Li
- Institute of Horticulture, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Ping-Hong Meng
- Institute of Horticulture, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Xiao-Jing Wang
- Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Guizhou University, Guiyang, China
- *Correspondence: Xiao-Jing Wang,
| | - Guo-Fei Tan
- Institute of Horticulture, Guizhou Academy of Agricultural Sciences, Guiyang, China
- Guo-Fei Tan,
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Gómez-Maqueo A, Escobedo-Avellaneda Z, Welti-Chanes J. Phenolic Compounds in Mesoamerican Fruits-Characterization, Health Potential and Processing with Innovative Technologies. Int J Mol Sci 2020; 21:E8357. [PMID: 33171785 PMCID: PMC7664671 DOI: 10.3390/ijms21218357] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/05/2020] [Accepted: 10/29/2020] [Indexed: 02/07/2023] Open
Abstract
Diets rich in phenolic compounds have been associated to reducing the risk of metabolic syndrome and its derived disorders. Fruits are healthy components of the human diet because of their vitamin, mineral, fiber and phenolic profile. However, they have a short shelf-life which is limited by microbiological growth and enzymatic activity. Innovative preservation methods such as high hydrostatic pressure, pulsed electric fields, ultrasound, microwave, cold plasma and ultraviolet light have become popular for the processing of fruits because they can preserve nutritional quality. In this review, the phenolic profile and health potential of 38 Mesoamerican fruits were assessed. Phenolic compounds were classified based on their contribution to the diet as flavonoids, phenolic acids, tannin, lignins and stilbenoids. Due to this composition, fruits showed a wide range of bioactivities which included anti-inflammatory, anti-diabetic, anti-hypertensive and anti-obesity activities, among others. Phenolic content in fruits submitted to innovative food processing technologies depended on parameters such as enzymatic activity, antioxidant capacity, microstructure integrity and cell viability. Innovative technologies could increase phenolic content while assuring microbiological safety by (i) promoting the release of bound phenolic compounds during processing and (ii) inducing the synthesis of phenolic compounds by activation of phenylpropanoid pathway during storage.
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Affiliation(s)
- Andrea Gómez-Maqueo
- Food Structure Team, Clinical Nutrition Research Center, Singapore Institute of Food and Biotechnology Innovation, Agency for Science, Research and Technology, 14 Medical Drive #07-02, MD 6 Building, Yong Loo Lin School of Medicine, Singapore 117599, Singapore;
| | - Zamantha Escobedo-Avellaneda
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, Col. Tecnológico, Monterrey 64849, Nuevo León, Mexico
| | - Jorge Welti-Chanes
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, Col. Tecnológico, Monterrey 64849, Nuevo León, Mexico
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Ke J, Jiang G, Shen G, Wu H, Liu Y, Zhang Z. Optimization, characterization and rheological behavior study of pectin extracted from chayote (Sechium edule) using ultrasound assisted method. Int J Biol Macromol 2020; 147:688-698. [DOI: 10.1016/j.ijbiomac.2020.01.055] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/02/2020] [Accepted: 01/06/2020] [Indexed: 01/28/2023]
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Díaz-de-Cerio E, Verardo V, Fernández-Gutiérrez A, Gómez-Caravaca AM. New insight into phenolic composition of chayote (Sechium edule (Jacq.) Sw.). Food Chem 2019; 295:514-519. [DOI: 10.1016/j.foodchem.2019.05.146] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 05/19/2019] [Accepted: 05/21/2019] [Indexed: 10/26/2022]
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Rosado-Pérez J, Aguiñiga-Sánchez I, Santiago-Osorio E, Mendoza-Núñez VM. Effect of Sechium edule var. nigrum spinosum (Chayote) on Oxidative Stress and Pro-Inflammatory Markers in Older Adults with Metabolic Syndrome: An Exploratory Study. Antioxidants (Basel) 2019; 8:E146. [PMID: 31137783 PMCID: PMC6562705 DOI: 10.3390/antiox8050146] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/15/2019] [Accepted: 05/22/2019] [Indexed: 12/12/2022] Open
Abstract
Metabolic syndrome (MetS) is a risk factor for cognitive deterioration and frailty in older adults. In this regard it has been shown that oxidative stress (OxS) and chronic inflammation are involved in the pathophysiology of these alterations. Harmless antioxidant and anti-inflammatory therapeutic alternatives have been proposed, such as the consumption of Sechium edule (chayote), but the evidence is inconclusive. For this reason, an exploratory study of a single group chosen by convenience sampling, including 12 older adults, with an average age of 71 ± 6 years (10 women and 2 men) with a diagnosis of MetS according to the National Cholesterol Education Program Adult Treatment Panel III (NCEP/ATP III) criteria. This exploratory study aimed to determine the effect of the consumption of the dried fruit powder supplement of Sechium edule var. nigrum spinosum (500 mg, 3 times per day) for six weeks on the markers of OxS in elderly adults with MetS. All participants' OxS markers were measured before and after treatment. There was a statistically significant decrease in the concentration of lipoperoxides (baseline, 0.289 ± 0.04 vs. post-treatment, 0.234 ± 0.06 μmol/L, p < 0.05), together with a significant increase in total antioxidant status (baseline, 0.97 ± 0.18 vs. post-treatment, 1.2 ± 0.12 mmol/L, p < 0.05). In this sense, the oxidative stress index showed a statistically significant decrease (baseline, 1.7 ± 0.78 vs. post-treatment, 0.75 ± 0.87, p < 0.05). A statistically significant decrease in the concentration of TNF-α after treatment was also found (baseline, 5.3 ± 1.4 vs. post-treatment, 3.5 ± 1.3, p < 0.05).Our findings suggest that the consumption of the dry fruit of Sechium edule has an antioxidant and anti-inflammatory effect in older adults with metabolic syndrome.
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Affiliation(s)
- Juana Rosado-Pérez
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico.
| | - Itzen Aguiñiga-Sánchez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico.
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico.
| | - Víctor Manuel Mendoza-Núñez
- Research Unit on Gerontology, FES Zaragoza, National Autonomous University of Mexico, Mexico City 09230, Mexico.
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