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Effects of supplementation of tropical fruit processing by-products on lipid profile, retinol levels and intestinal function in Wistar rats
An Acad Bras Cienc. 2023 Apr 17;95(2):e20201684. doi: 10.1590/0001-3765202320201684. eCollection 2023.ABSTRACTFruits agro-industrial by-products may have a great variety of bioactive compounds that promote health. Thus, the effects of supplementation with acerola, cashew and guava processing by-products for 28 days on retinol level, lipid profile and on some aspects related to intestinal function in rats were investigated. The animals supplemented with different fruit by-products presented similar weight gain, faecal pH values and intestinal epithelial structures; however, they showed higher moisture and Lactobacillus spp....
Source: An Acad Bras Cienc - April 17, 2023 Category: Science Authors: Kamila S Batista Hassler Clementino Cavalcante J éssyca A DE Sousa Gomes Laiane A DA Silva Nat ália S DE Holanda Cavalcanti Estef ânia F Garcia Francisca Nayara D D Menezes Tamires A S DE Lima Evandro L DE Souza Marciane Magnani Jailane DE Souza Aquino Source Type: research

Effect of altitude and solvent on Psidium guajava Linn. leaves extracts: phytochemical analysis, antioxidant, cytotoxicity and antimicrobial activity against food spoilage microbes
Guava (Psidium guajava Linn.) has been traditionally used in the treatment of a wide range of diseases due to its rich content of secondary metabolites. (Source: Chemistry Central Journal)
Source: Chemistry Central Journal - April 13, 2023 Category: Chemistry Authors: Rita Majhi, Rukusha Maharjan, Mitesh Shrestha, Aatish Mali, Angisha Basnet, Manish Baral, Rabin Duwal, Rojlina Manandhar and Prajwal Rajbhandari Tags: Research Source Type: research

Anti-Cholera toxin activity of selected polyphenols from Careya arborea, Punica granatum, and Psidium guajava
IntroductionCareya arborea, Punica granatum, and Psidium guajava are traditionally used to treat diarrheal diseases in India and were reported to show anti-Cholera toxin activity from our earlier studies. As polyphenols are reported to neutralize Cholera toxin (CT), the present study investigated the inhibitory activity of selected polyphenols from these plants against CTB binding to GM1 receptor using in silico, in vitro, and in vivo approaches.MethodsMolecular modelling approach was used to investigate the intermolecular interactions of selected 20 polyphenolic compounds from three plants with CT using DOCK6. Based on in...
Source: Frontiers in cellular and infection microbiology - April 11, 2023 Category: Microbiology Source Type: research

Analytical assessment of modulated electric flux triggered degradation of chlorfenapyr and deltamethrin pesticides in guava fruits
This study involved the in-vitro and in-vivo analysis of modulated electric flux-triggered degradation as an efficient method for the safer degradation of selected pesticides. The Taser gun was used as a tool for providing different numbers of electrical shocks of million voltages to the pesticides present in guava fruit at different temperatures. The degraded pesticides were extracted and analyzed by High-performance liquid chromatography (HPLC). The HPLC chromatograms verified that significant dissipation of pesticides took place when these were exposed to 9 shocks at 37 °C, which proved the efficiency of this degradati...
Source: Analytical Biochemistry - April 5, 2023 Category: Biochemistry Authors: Umm E Ruman Muhammad Zubair Muhammad Hamad Zeeshan Source Type: research

Chitosan nanoparticles modified TLC-densitometry for determination of imidacloprid and deltamethrin residues in plants: greenness assessment
Two thin layer chromatography (TLC) methods have been developed for the determination of pesticides residues of imidacloprid (IMD) and deltamethrin (DLM) in thyme and guava leaves. In the two methods, the used... (Source: Chemistry Central Journal)
Source: Chemistry Central Journal - April 4, 2023 Category: Chemistry Authors: Ghadeer A. Elbaz, Hala E. Zaazaa, Hany H. Monir and Lobna M. Abd El Halim Tags: Research Source Type: research

Evaluation of Antimicrobial Effect of Silver Nanoparticle Based Whey Emulsions and Edible Films for the Extension of Shelf Life of Fruits and Vegetables
Curr Microbiol. 2023 Apr 1;80(5):158. doi: 10.1007/s00284-023-03275-3.ABSTRACTThe purpose of this study was to develop and assess the antimicrobial properties of silver nanoparticles (AgNPs)-based whey emulsions and edible films for extending the shelf life of fruits and vegetables. The AgNPs were synthesized using a biological method, and their morphological and topographical characteristics were evaluated using scanning electron microscopy (SEM). The AgNPs were incorporated into the emulsions and films to increase their antimicrobial efficacy. Bacterial and fungal strains were identified by DNA regions, including 16S and...
Source: Current Microbiology - March 31, 2023 Category: Microbiology Authors: Sunbul Rasheed Aatif Amin Arslan Sarwar Hafiz Ghulam Murtaza Saleem Ammara Hassan Source Type: research

Antiviral and ROS scavenging potential of Carica papaya Linn and Psidium guajava leaves extract against HIV-1 infection
Antiretroviral therapy is the only treatment option for HIV-infected patients; however, it has certain drawbacks in terms of developing multiple toxic side effects. Thus, there is a continuous need to explore ... (Source: BMC Complementary and Alternative Medicine)
Source: BMC Complementary and Alternative Medicine - March 18, 2023 Category: Complementary Medicine Authors: Pratiksha Jadaun, Prachibahen Shah, R. Harshithkumar, Madhukar S. Said, Shubhangi P. Bhoite, Sowmya Bokuri, Selvan Ravindran, Neetu Mishra and Anupam Mukherjee Tags: Research Source Type: research

 In Vitro Dengue Virus Inhibition by Aqueous Extracts of Aegle marmelos , Munronia pinnata and Psidium guajava 
Altern Lab Anim. 2023 Feb 15:2611929231158243. doi: 10.1177/02611929231158243. Online ahead of print.ABSTRACTDengue is an arboviral (insect-transmitted) infection of global concern. Currently, there are still no specific dengue antiviral agents to treat the disease. Plant extracts have been used in traditional medicine for treating various viral infections - thus, in the present study, aqueous extracts of dried flowers of Aegle marmelos (AM), whole plant of Munronia pinnata (MP) and leaves of Psidium guajava (PG) were investigated for their potential capacity to inhibit dengue virus infection of Vero cells. The maximum non...
Source: Alternatives to Laboratory Animals : ATLA - February 16, 2023 Category: Research Authors: Kalani Gayathri Jayasekara Preethi Soysa Thusharie Sugandhika Suresh Charitha Lakshini Goonasekara Kamani Mangalika Gunasekera Source Type: research

Molecules, Vol. 28, Pages 1839: Standardization of the Optimum Effects of Indole 3-Butyric Acid (IBA) to Control Root Knot Nematode, Meloidogyne enterolobii, in Guava (Psidium guajava L.)
Ashok Subiramaniyan Guava is an important revenue generating crop for small, medium, and commercial guava cultivators all over the world. Nematode infestation is one of the factors that cause declines in fruit production. Researches have proven that the application of plant growth regulators induces the synthesis of defense-related proteins in Guava. IBA is one such plant growth regulator, and its effects on guava plants has not yet been elucidated. Thus, this research is focused on the optimization of IBA concentrations, which results in the induction and production of maximum defense-related proteins to defend agains...
Source: Molecules - February 15, 2023 Category: Chemistry Authors: Ashokkumar Natarajan Dharani Selvam Kalaiarasan Palaniappan Akshaya Subbaiah Balamurali Chandrasekaran Perumal Rameshkumar Durai Shakila Sadasivam Akino Asokan Ramadass Sivalingam Ashok Subiramaniyan Tags: Article Source Type: research

Psidium guajava induces cytotoxicity in human malignant glioblastoma cell line: Role of reactive oxygen species (ROS)
Toxicol In Vitro. 2023 Feb 7:105567. doi: 10.1016/j.tiv.2023.105567. Online ahead of print.ABSTRACTOne of the deadliest types of CNS primary brain cancers is glioblastoma multiforme (GBM), and the survival rate of patients is about 7.2%. The standard treatment for GBM is surgical interventions followed by temozolomide. We investigated for the first time, the cytotoxic impacts of Psidium guajava (P. guajava) on the U87 GBM cell line. We measured cell toxicity through the MTT test following 24 h, 48 h, and 72 h treatment with different concentrations of fruit and seed hydroalcoholic extracts of P. guajava (25-400 μg/ml). Li...
Source: Toxicology in Vitro - February 9, 2023 Category: Toxicology Authors: Azar Hosseini Mohaddeseh Sadat Alavi Amir Reza Shahraki Arezoo Rajabian Amir Reza Afshari Prashant Kesharwani Amirhossein Sahebkar Source Type: research

Psidium guajava induces cytotoxicity in human malignant glioblastoma cell line: Role of reactive oxygen species
Toxicol In Vitro. 2023 Feb 8;89:105567. doi: 10.1016/j.tiv.2023.105567. Online ahead of print.ABSTRACTOne of the deadliest types of CNS primary brain cancers is glioblastoma multiforme (GBM), and the survival rate of patients is about 7.2%. The standard treatment for GBM is surgical interventions followed by temozolomide. We investigated for the first time, the cytotoxic impacts of Psidium guajava (P. guajava) on the U87 GBM cell line. We measured cell toxicity through the MTT test following 24 h, 48 h, and 72 h treatment with different concentrations of fruit and seed hydroalcoholic extracts of P. guajava (25-400 μg/ml)....
Source: Toxicology in Vitro - February 9, 2023 Category: Toxicology Authors: Azar Hosseini Mohaddeseh Sadat Alavi Amir Reza Shahraki Arezoo Rajabian Amir Reza Afshari Prashant Kesharwani Amirhossein Sahebkar Source Type: research