Antibacterial activity and chemical characterization of almond (<i>Prunus dulcis</i> L.) peel extract

Badalamenti, Natale; Bruno, Maurizio; Loizzo, Monica Rosa; Puccio, Valeria; Gaglio, Raimondo; Francesca, Nicola; Settanni, Luca; Sottile, Francesco

doi:10.1080/14786419.2022.2103556

Cited by 7 publications

(4 citation statements)

References 36 publications

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“…No antimicrobial effect was detected in the research by Ingegneri et al [69], differing from the findings of the study by Badalamenti et al [68]. In this research paper, extract from almond skins was prepared using n-hexane and demonstrated effectiveness against pathogens such as Escherichia coli, Staphylococcus aureus, Listeria monocytogenes, and Salmonella enteritidis without affecting the development of technological microorganisms, for example, Saccharomyces cerevisiae, the fundamental yeast in fermented foods.…”

Section: Almond Skincontrasting

confidence: 59%

“…Figure 3.Almond by-products and innovative applications described in the literature for each fraction. Hull (animal feed[53][54][55], fortified food[56], molecules extraction[57][58][59][60], and materials[61]); shell (molecules extraction[58,62,63] and materials[64][65][66][67]); skin (molecules extraction[17,[68][69][70] and fortified food[71][72][73]); and oil cake (fortified food[74]). …”

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confidence: 99%

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Recent Innovations on the Reuse of Almond and Hazelnut By-Products: A Review

Ollani,

Peano,

Sottile

2024

Sustainability

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Nuts consumption has increased significantly in the last 10 years, especially driven by the stimulated awareness of their possible beneficial health effects. Increased nuts consumption is linked to an obvious accumulation of by-products and waste. With the view of the circular economy, the aim of this review is to analyse the recent and innovative approaches able to valorise the by-products derived from almonds and hazelnuts, two important nut products of the Italian scene, with historical and traditional importance. The most important solutions are concerned with reuse of almond hull, shell, skin, oil cake, and hazelnut shell; skin and oil cake are often considered waste or by-products. Many interesting implications in the feed and food sectors have been detected in the last ten years, aimed at designing innovative materials developed from by-products and extraction of bioactive molecules for different purposes. The perspective chosen to discuss the topic is related to the sustainability of these processes, in terms of both the environment and economy. The circular economy supports a zero-waste approach, which should not also be meant as a zero-cost process in terms of the level of technology that has been partially developed.

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Section: Almond Skincontrasting

confidence: 59%

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confidence: 99%

Recent Innovations on the Reuse of Almond and Hazelnut By-Products: A Review

Ollani,

Peano,

Sottile

2024

Sustainability

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“…It can be consumed in the form of fresh fruits or processed products (i.e., processed milk and flour) [6,8]. Moreover, the fruit by-products (skin) can also be used for other purposes, such as the bio-preservation of food and pharmaceutical products [9]. Over the centuries, through seed propagation, grafting, and cloning reproduction, the species has expanded throughout the world [10].…”

Section: Introductionmentioning

confidence: 99%

Reviewing the Adverse Climate Change Impacts and Adaptation Measures on Almond Trees (Prunus dulcis)

et al. 2023

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Climate change is one of the most emergent environmental challenges, with rising global temperatures, changes in precipitation regimes, and an increased frequency and intensity of extreme weather events. Climate change impacts on the agrarian sector are being experienced across the world and are expected to be aggravated in the upcoming decades. Almond fruits are highly sought after due to their economic and nutritional interest, which contribute to their spread throughout the world. In 2021, the world almond production was approximately 3.9 × 106 t with upward of 4.9 × 103 t year−1. Despite being relatively drought- and heat-resistant, this species is also vulnerable to climate change, particularly its production, which is highly dependent on soil water content and air temperature. To address the challenges of climate change, farmers and other stakeholders in the almond industry are increasingly adopting a range of adaptation measures, such as implementing irrigation systems and planting more drought-tolerant almond varieties. This manuscript describes the impacts of climate change on almond cultivation, reviewing the most recent studies on the subject. Furthermore, a comprehensive analysis of possible adaptation strategies against the potentially negative impacts is carried out, which might be of relevance to almond producers and other stakeholders operating in this value chain.

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“…Recently, we assessed the composition and biological properties of blanched skin and blanch water, which are by-products originating from industrial blanching that were obtained from different Sicilian almond cultivars [21]. Almonds and almond skins are abundant in bioactive molecules, particularly polyphenols, flavonoids, tocopherols, tannins, fibers, minerals, amino acids, and fatty acids [22][23][24][25][26]. Notably, almond skin extract (ASE) has shown promising effects in preventing cellular aging and enhancing antioxidant activity.…”

Section: Introductionmentioning

confidence: 99%

Antioxidant Activity of a Sicilian Almond Skin Extract Using In Vitro and In Vivo Models

Arangia,

Ragno,

Cordaro

et al. 2023

IJMS

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Almond skins are known for their antioxidative and anti-inflammatory properties, which are mainly due to the presence of polyphenols. The aim of the present study was to evaluate the antioxidant and anti-inflammatory effects of almond skin extract (ASE) obtained from the Sicilian cultivar “Fascionello” and to evaluate the possible mechanisms of action using an in vitro model of human monocytic U937 cells as well as an in vivo model of carrageenan (CAR)-induced paw edema. The in vitro studies demonstrated that pretreatment with ASE inhibited the formation of ROS and apoptosis. The in vivo studies showed that ASE restored the CAR-induced tissue changes; restored the activity of endogenous antioxidant enzymes, such as superoxide dismutase, catalase, and glutathione; and decreased neutrophil infiltration, lipid peroxidation, and the release of proinflammatory mediators. The anti-inflammatory and antioxidant effects of ASE could be associated with the inhibition of the pro-inflammatory nuclear NF-κB and the activation of the nuclear factor-erythroid 2-related factor 2 (Nrf2) antioxidant pathways. In conclusion, almond skin could reduce the levels of inflammation and oxidative stress and could be beneficial in the treatment of several disorders.

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Antibacterial activity and chemical characterization of almond (Prunus dulcis L.) peel extract

Cited by 7 publications

References 36 publications

Recent Innovations on the Reuse of Almond and Hazelnut By-Products: A Review

Recent Innovations on the Reuse of Almond and Hazelnut By-Products: A Review

Reviewing the Adverse Climate Change Impacts and Adaptation Measures on Almond Trees (Prunus dulcis)

Antioxidant Activity of a Sicilian Almond Skin Extract Using In Vitro and In Vivo Models

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