Bioactive Substances of Cydonia oblonga Fruit : Insecticidal Effect of Tannins on <i>Tribuliumm confusum</i>

Djilali, Adiba Benahmed; Mehraz, Rebiha; Bouacem, Khelifa; Benseddik, A.; Moualek, Idir; Mohamed, Norazlina; Benzara, Abdelmadjid

doi:10.1080/15538362.2021.1926395

Cited by 13 publications

(13 citation statements)

References 41 publications

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“…The fresh fruit maturity index in the study was 48.75 ± 2.36, which was higher than the index reported by Szychowski et al (2014) [ 12 ] (from 30.6 ± 3.2 to 39.9 ± 5.1) or Rodrıguez-Guisado et al (2009) [ 55 ] (from 18.04 ± 1.0 to 4.62 ± 1.5), proving a high degree of maturity of the tested fruits and their suitability for consumption. However, the direct consumption of unprocessed quince fruits is limited by, among others, a high pH, high astringency, bitterness (probably due to the high concentration of tannins), or the presence of other components that ultimately shape the characteristic flavor profile of quince fruit [ 24 , 54 , 55 ]. Due to the fact that quince fruits are hard, sour, bitter, and tart, they cannot be eaten raw; however, their chemical composition, sensory characteristics, and biological activity make these fruits a valuable raw material in food processing.…”

Section: Resultsmentioning

confidence: 99%

“…The quince’s therapeutic potential is attributed to its strong antioxidant potential, which results from the presence of plant secondary metabolites, mainly polyphenols (flavonoids, quercetin, rutin, and kaempferol) [ 1 , 2 , 18 ] and carotenoids, vitamin C, citric acid, malic acid, and quinic acid, which are present in both the skin and the flesh of the quince [ 19 , 20 ]. These fruits also provide valuable minerals, e.g., potassium, calcium, magnesium, and sodium [ 13 , 21 , 22 , 23 ], as well as fiber in the form of pectins and tannins [ 24 ]. However, they are low in carbohydrates, protein, and fat [ 2 , 25 ].…”

Section: Introductionmentioning

confidence: 99%

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Changes in Physicochemical and Bioactive Properties of Quince (Cydonia oblonga Mill.) and Its Products

et al. 2023

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Quince (Cydonia oblonga Miller) is a plant that is commonly cultivated around the world, known for centuries for its valuable nutritional and healing properties. Although quince fruit are extremely aromatic, due to their high hardness and sour, astringent, and bitter taste, they are not suitable for direct consumption in an unprocessed form. However, they are an important raw material in fruit processing, e.g., in the production of jams, jellies, and juices. Quince fruits fall under the category of temperate fruits, so their shelf life can be predicted. Considering that technological processing affects not only the organoleptic properties and shelf life but also the functional properties of fruits, the aim of this research was to determine the impact of various types of technological treatments on the physicochemical and bioactive properties of quince fruit. In fresh, boiled, and fried fruits and in freshly squeezed quince fruit juice, basic parameters, such as the content of dry matter, moisture, soluble solids (°Brix), pH, total acidity, water activity, and color parameters (L*a*b*) were determined. The content of key bioactive ingredients, i.e., tannins, carotenoids, flavonoids, phenolic acids, and total polyphenols, was also determined, as well as the antioxidant activity of raw and technologically processed (cooked, fried, and squeezed) quince fruits. The conducted research showed that fresh quince fruit and processed quince products can be a very good source of bioactive ingredients in the diet, such as tannins (3.64 ± 0.06 mg/100 g in fresh fruit; from 2.22 ± 0.02 mg/100 g to 5.59 ± 0.15 g/100 g in products), carotenoids (44.98 ± 0.18 mg/100 g in fresh fruit; from 141.88 ± 0.62 mg/100 g to 166.12 ± 0.62 mg/100 g in products), and polyphenolic compounds (246.98 ± 6.76 mg GAE/100 g in fresh fruit; from 364.53 ± 3.76 mg/100 g to 674.21 ± 4.49 mg/100 g in products). Quince fruit and quince products are also characterized by high antioxidant properties (452.41 ± 6.50 µM TEAC/100 g in fresh fruit; 520.78 ± 8.56 µM TEAC/100 g to 916.16 ± 6.55 µM TEAC/100 g in products). The choice of appropriate technological processing for the quince fruit may allow producers to obtain high-quality fruit preserves and act a starting point for the development of functional products with the addition of quince fruit in its various forms, with high health-promoting values and a wide range of applications in both the food and pharmaceutical industries.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Changes in Physicochemical and Bioactive Properties of Quince (Cydonia oblonga Mill.) and Its Products

et al. 2023

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“…This compound can reduce the efficiency of digestion in phytophagous arthropods through its chemical bonds [18] . Djilali et al, [19] evaluated the insecticidal effect of tannins extracted from Cydonia oblonga against Tribuliumm confusum (Coleoptera: Tenebrionidae) and observed dosedependence of the concentrations studied, where with the increase in the concentration of tannins, there was an increase in insect mortality. Flavonoid compounds act by inhibiting the metabolism of insects and mites by altering enzymatic and hormonal activity, blocking biochemical pathways, and consequently reducing the assimilation of essential substances and nutrient storage [20] .…”

Section: Discussionmentioning

confidence: 99%

Extracts of plant residues from soursop peels in the management of palm red mite

Piffer¹,

Fornaciari²,

Bolsoni³

et al. 2023

J. Entomol. Zool. Stud.

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Raoiella indica Hirst, 1924 (Prostigmata: Tenuipalpidae), is one of the main pest mites of palm and banana trees, causing significant damage in producing regions. Thus, the objective of this work was to evaluate the acaricidal effect of soursop peel extract (Annona muricata L.) on R. indica adults. The experiment was conducted in a completely randomized design using soursop peel extract, with 7 replications and 12 individuals of R. indica per replication. The experimental units consisted of discs of coconut palm leaves (4 cm in diameter), with cotton moistened at the bottom of the Petri dish (10.0 x 1.2 cm) and around the disc to maintain turgor and prevent mites from escaping. The application was carried out using an airbrush, connected to a calibrated compressor with a constant pressure of 1.3 psi and 1 mL of solution per plate. The acaricidal effect was evaluated 24, 48, and 72 hours after spraying. Mortality data were corrected and subsequently submitted to probit analysis (p≤0.05) using the statistical program R, with the LC50 and LC90 of the extract being calculated. The soursop peel extract at the maximum concentration used (15%) showed mortality of 80% of individuals of R. indica. The LC50 was 1.934%. It was concluded that extracts from soursop peel have acaricidal potential on R. indica in the laboratory.

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“…The tannin content was optimized by precipitation methods, as described by Benahmed ( Benahmed Djilali et al, 2021 ). Tannin yield was calculated as the following formula:…”

Section: Methodsmentioning

confidence: 99%

“…The tannin content in the extract was determined using the casein colorimetric method ( Benahmed Djilali et al, 2021 ). Casein (1 g) was added to 6 ml of sample extract, followed by the addition of 12 ml distilled water.…”

Section: Methodsmentioning

confidence: 99%

Overexpression of leucoanthocyanidin reductase or anthocyanidin reductase elevates tannins content and confers cassava resistance to two-spotted spider mite

Chen

Liang

et al. 2022

Front. Plant Sci.

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The two-spotted spider mite (TSSM) is a destructive cassava pest. Intensive demonstration of resistance mechanism greatly facilitates the creation of TSSM-resistant cassava germplasm. Gene to metabolite network plays a crucial role in modulating plant resistance, but little is known about the genes and related metabolites which are responsible for cassava resistance to TSSM. Here, a highly resistant (HR) and a highly susceptible (HS) cassava cultivar were used, integrative and comparative transcriptomic and metabolomic analyses between these two cultivars after TSSM infestation revealed that several genes and metabolites were closely related and significantly different in abundance. In particular, the expression of leucoanthocyanidin reductase (LAR) and anthocyanidin reductase (ANR) genes showed a high positive correlation with most of the metabolites in the tannin biosynthesis pathway. Furthermore, transgenic cassava lines overexpressing either of the genes elevated tannin concentrations and conferred cassava resistance to TSSM. Additionally, different forms of tannins possessed distinct bioactivity on TSSM, of which total condensed tannins (LC50 = 375.68 mg/l) showed maximum lethal effects followed by procyanidin B1 (LC50 = 3537.10 mg/l). This study accurately targets LAR, ANR and specific tannin compounds as critical genes and metabolites in shaping cassava resistance to TSSM, which could be considered as biomarkers for evaluation and creation of pest-resistant cassava germplasm.

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Bioactive Substances of Cydonia oblonga Fruit : Insecticidal Effect of Tannins on Tribuliumm confusum

Cited by 13 publications

References 41 publications

Changes in Physicochemical and Bioactive Properties of Quince (Cydonia oblonga Mill.) and Its Products

Changes in Physicochemical and Bioactive Properties of Quince (Cydonia oblonga Mill.) and Its Products

Extracts of plant residues from soursop peels in the management of palm red mite

Overexpression of leucoanthocyanidin reductase or anthocyanidin reductase elevates tannins content and confers cassava resistance to two-spotted spider mite

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