Effects of poplar buds as an alternative to propolis on postharvest diseases control of strawberry fruits

Yang, Shuzhen; Zhou, Yefeng; Ye, Junli; Fan, Gang; Peng, Liwei; Pan, Siyi

doi:10.1002/jsfa.7329

Cited by 12 publications

(9 citation statements)

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“…Medicinal plant extracts and their bioactivators are being paid increasing attention by researchers due to their potential to control fungal growth as well as their preservative effects [3,21,25,30,37,38]. Among plant extracts, Ficus hirta Vahl.…”

Section: Discussionmentioning

confidence: 99%

“…Flavonoid glycosides are a group of flavonoids mainly isolated from some plant tissues, such as Astragalus membranaceus leaves, Ficus hirta Vahl. fruits, Lilium lancifolium flowers, poplar buds, and Plinia cauliflora leaves [22][23][24][25][26], and are known for their potent antifungal activity, which occurs through a lipid peroxidation mechanism. In our previous research, pinocembrin-7-glucoside (P7G; Figure 1) or pinocembroside, one of the flavonoid glycosides, was isolated as one of the major antifungal compounds in Ficus hirta Vahl.…”

Section: Introductionmentioning

confidence: 99%

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Pinocembrin-7-Glucoside (P7G) Reduced Postharvest Blue Mold of Navel Orange by Suppressing Penicillium italicum Growth

Chen

Wan

2020

Microorganisms

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The current study aimed to examine the in vitro and in vivo antifungal potential of pinocembrin-7-glucoside (P7G). P7G is an antifungal flavanone glycoside isolated from Ficus hirta Vahl. fruit against Penicillium italicum, a causative pathogen of blue mold disease in citrus fruit, and this study elucidates its possible action mechanism. P7G had a prominent mycelial growth inhibitory activity against P. italicum, with an observed half maximal effective concentration, minimum inhibitory concentration and minimum fungicidal concentration of 0.08, 0.2, and 0.8 g/L, respectively. The data from the in vivo test show that P7G significantly reduced blue mold symptoms and disease development of P. italicum in artificially inoculated “Newhall” navel orange. Compared to the control, increases in the cell membrane permeability of P. italicum supernatant and decreases in the intracellular constituent (e.g., soluble protein, reducing sugar, and total lipid) contents of P. italicum mycelia were identified, supporting scanning electron microscopy and transmission electron microscopy observations. Furthermore, a marked decline in both chitin and glucanase contents of P. italicum mycelia treated with P7G was induced by increasing its related degrading enzyme activities, suggesting that the cell wall structure was destroyed. The current study indicated that P7G may be a novel alternative for reducing blue mold by suppressing mycelial growth of P. italicum via a cell membrane/wall-targeting mechanism.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pinocembrin-7-Glucoside (P7G) Reduced Postharvest Blue Mold of Navel Orange by Suppressing Penicillium italicum Growth

Chen

Wan

2020

Microorganisms

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“…The experiments were effectuated as previously described by Ghitu et al [34]. Briefly, cells were seeded at a density of 1 × 10 4 cells/well in 96-well culture plates and allowed to adhere overnight at 37 • C. After 24 h of incubation, A549 cells were stimulated with diverse concentrations of Pg (10,25,50,75,100, and 150 µg/mL) and incubated for 72 h. Dimethyl sulfoxide (DMSO), the solvent used to make the stock solution, was used as a control in this experiment. At 72 h post-stimulation, the cells were treated with 10 µL of 5 mg/mL MTT solution (Sigma-Aldrich) and incubated for another additional 3 h. The formazan crystals were dissolved in 100 µL of lysis solution, and the absorbance was determined at 570 nm using the microplate reader (BioRad, xMark Microplate Spectrophotometer).…”

Section: Mtt Assaymentioning

confidence: 99%

“…A549 lung adenocarcinoma cells were plated onto 6 = well plates (5 × 10 5 cells/well) and left to adhere overnight. The next day, the medium was removed and a fresh one containing Pg in different concentrations (10,25,50,75,100, and 150 µg/mL) was added. After 72 h, the cells were washed twice with ice-cold PBS and then were fixed with 4% paraformaldehyde in PBS, permeabilized with 2% Triton-X/PBS for 30 min, and blocked with 30% FCS/0.01% Triton-X.…”

Section: Detection Of Apoptosis Via 4 6-diamidino-2-phenylindole (Dapi) Stainingmentioning

confidence: 99%

Inorganic Element Determination of Romanian Populus nigra L. Buds Extract and In Vitro Antiproliferative and Pro-Apoptotic Evaluation on A549 Human Lung Cancer Cell Line

et al. 2021

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Populus nigra L. is a plant from Salicaceae family, native in Europe. Many parts of this tree can be used as active ingredients, but the most valuable are the buds. In recent years, a growing number of studies reported their activity in the development of a wide range of pharmacological activities including diabetes, cardiovascular diseases, and cancer. The aim of this study was to determine the phytochemical composition and to evaluate the inorganic elements’ concentration as well as the in vitro antiproliferative and pro-apoptotic potential of a Populus nigra L. buds extract collected from Timișoara (Romania) against A549 human lung cancer cell line. Populus nigra L. bud extract was found to contain twelve different phenolic compounds. The inorganic elements concentrations were below the limit of detection for Co, Pb, and As, whereas Cu = 6.66 µg/g; Cr = 0.79 µg/g; Ni = 3.28 µg/g; Fe = 39.00 µg/g; Zn = 14.84 µg/g; Mn = 0.59 µg/g; Al = 2109.87 µg/g; and Cd = 0.019 µg/g. The extract was tested for the in vitro antiproliferative and pro-apoptotic potential on A549 human lung cancer cell line using different concentrations, namely 10, 25, 50, 75, 100, and 150 μg/mL. Results have shown that poplar bud extract induced a significant decrease of tumor cell viability in a dose-dependent manner with an IC50 = 72.49 μg/mL and blocked the cells in the G0/G1 phase of the cell cycle. Phenomena of early apoptosis (from 1.34 ± 0.33% control cells to 2.68 ± 0.62% at 150 µg/mL) and late apoptosis (from 1.43 ± 0.14% control cells to 5.15 ± 1.02% at 150 µg/mL) were detected by Annexin V-PI double staining. Poplar bud extract can be regarded as a promising candidate for future studies involving lung cancer.

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“…Além disso, os seus compostos voláteis são retidos em uma matriz, apresentando eficácia prolongada (NEETHIRAJAN; JAYAS, 2011). (YANG et al, 2016).…”

Section: Introductionunclassified

Desenvolvimento de partículas contendo óleos essenciais de eucalipto para o controle de >i<Rhizopus stolonifer>/i< em morango (>i<Fragaria>/i< sp.)

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Effects of poplar buds as an alternative to propolis on postharvest diseases control of strawberry fruits

Abstract: PBEE had the similar antifungal activity with propolis and had great potential as an alternative to propolis to control strawberry fruits diseases.

Cited by 12 publications

References 30 publications

Pinocembrin-7-Glucoside (P7G) Reduced Postharvest Blue Mold of Navel Orange by Suppressing Penicillium italicum Growth

Pinocembrin-7-Glucoside (P7G) Reduced Postharvest Blue Mold of Navel Orange by Suppressing Penicillium italicum Growth

Inorganic Element Determination of Romanian Populus nigra L. Buds Extract and In Vitro Antiproliferative and Pro-Apoptotic Evaluation on A549 Human Lung Cancer Cell Line

Desenvolvimento de partículas contendo óleos essenciais de eucalipto para o controle de >i<Rhizopus stolonifer>/i< em morango (>i<Fragaria>/i< sp.)

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