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Psidium cattleianum Sabine or strawberry guava is an exotic tropical plant belonging to Myrtaceae family. Generally, this ornamental shrub is prized for its aesthetic value. However, this low-profile plant is an untapped source of therapeutically relevant phytochemicals, evident from the structural investigations. The delicious tart ripe fruits can...
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... is an exotic tropical plant belonging to Myrtaceae family. This plant is native to the Atlantic coast of Brazil, but now it has naturalized itself in tropical climates as Hawaii and many Caribbean islands. This shrub reaches heights of 6-14 feet, has slender, smooth and sturdy branches. The leaves are evergreen, glossy and tough like leather (Fig. 1a). The fruits are abundant, of small size and have translucent pulp. The flavour of the dark red fruit is like strawberry and taste is sweet-tart (Fig. 1b). This shrub is very adaptable, so grown as ornamental fruit plant throughout much of Florida and California. Also, it is cultivated in South America and Central America and in the ...
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... tropical climates as Hawaii and many Caribbean islands. This shrub reaches heights of 6-14 feet, has slender, smooth and sturdy branches. The leaves are evergreen, glossy and tough like leather (Fig. 1a). The fruits are abundant, of small size and have translucent pulp. The flavour of the dark red fruit is like strawberry and taste is sweet-tart (Fig. 1b). This shrub is very adaptable, so grown as ornamental fruit plant throughout much of Florida and California. Also, it is cultivated in South America and Central America and in the West Indies, Bermuda and the Bahamas. This tree grows luxuri- antly in full sun and ample water. However, it can withstand freezing cold and water scarcity. ...
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... Psidium cattleianum Sabine, also acclaimed as strawberry guava, red guava, Chinese guava, cattley guava, or Araçá, is an exotic tropical shrub in the Myrtaceae family [1]. It is indigenous to Brazil and has been naturalized in different countries and many tropical islands due to the commercial potential of its fruits in the agriculture and food sectors [2]. ...
Psidium cattleianum Sabine (strawberry guava) is an evergreen shrub that is grown as a fruiting hedge and has received significant consideration in the food and pharmaceutical disciplines. This study aims to set a promising protocol for in vitro propagation of P. cattleianum, along with profiling the phenolic content of the original plant (OP), induced callus (IC), and regenerated plantlets (RP) extracts, ultimately, evaluating their anti-inflammatory, antioxidant, and anticancer potential. Seeds were treated with commercial bleaching, HCl, and H2O2 to enhance the germination percentage and minimize the contamination percentage. Culturing sterilized leaf explants onto Murashige and Skoog (MS) medium supplemented with benzyl adenine (BA), 2,4-dichloro phenoxy acetic acid, and kinetin showed the best callus induction, while supplementation of MS media with BA, adenine sulfate, naphthalene acetic acid, and gibberellic acid activated regeneration. Augmentation of MS media with indol-3-butyric acid recorded the maximum rooting percentage. Finally, the obtained rooted shoots were successfully acclimatized in sand and peat moss soil. HPLC-MS/MS profiles of OP, RP, and IC showed a variety of phenolic metabolites. IC extract decreased the viability of MCF-7, HepG2, and K-562 cancer cell lines. Also, OP exhibits strong antioxidant activity. P. cattleianum and its RP are profound sources of phenolic compounds promoted for promising applications in the food and pharmaceutical industries.
... Several competitive traits contribute to strawberry guava's success, including high reproductive capacity, copious fruiting, clonal growth, resprouting ability, and adaptation to a wide range of light conditions (Huenneke and Vitousek 1990;Schumacher et al. 2008). However, studies also suggest that allelopathy can contribute greatly to its successful invasion and dominance (Virah-Sawmy et al. 2009;Patel 2012). ...
Allelopathy, or chemically mediated interference between co-occurring species, is present in more than half of invasive plant species globally and plays an important role in invasive species dominance in native plant communities. Allelopathy commonly increases the competitive advantage of invasive plants and their ability to displace native species. In extreme cases, invasive plants can cause native species to go extinct and this effect is particularly pronounced in small island ecosystems or isolated and fragmented ecosystems. Extirpation of native species from local communities greatly reduces biodiversity and ecosystem stability and can potentially reduce system productivity and thus C sequestration. Invasive allelopathic plants can also have wide-ranging effects on plant communities and ecosystem processes such as herbivory, decomposition, and nutrient mineralization. Invasive plants are notoriously difficult to control, and management strategies can be expensive, labor-intensive, and often marginally effective. Biochar, or charcoal used as a soil amendment, is primarily known for its potential to enhance productivity and carbon sequestration, but it also has a high capacity to sorb toxic organic compounds, including allelochemicals. Biochar is a form of pyrogenic carbon (PyC) that shares properties with naturally occurring forms of PyC that are widespread in forest soils, particularly in systems with natural fire regimes. Sorption of allelopathic compounds by natural PyC can widely influence overall productivity and species composition in plant communities. Studies to date indicate that biochar can greatly reduce the allelopathic effects of invasive allelopathic plants, including Psidium cattleianum, Acer platanoides, and Alliaria petiolata. Biochar has also been shown to promote native tree growth in invaded plant communities and can also suppress the regeneration of invasive plants. In a seemingly hopeless battle against invasive species, biochar may be a critical tool for successfully combatting invasive allelopathic plants and climate change while simultaneously promoting native biodiversity and carbon sequestration. This chapter reviews the ecological impacts of invasive plants, the facilitation of plant invasions via allelopathy, and the potential of biochar to mitigate the effects of allelopathic invasive plants and climate change.
... However, P. cattleyanum has invaded many other locations globally, introduced around the world largely for its edible fruits (Brown and Gurevitch 2004;Kueffer et al. 2010;Takahashi et al. 2011;Tng et al. 2016). It primarily invades tropical and subtropical ecosystems but can encroach into temperate regions (Kueffer et al. 2010;Patel 2012;Tng et al. 2016;Florens et al. 2016). Psidium cattleyanum has high reproductive capacity, including effective seed dispersal, as its attractive fruits are readily dispersed by birds and ungulates. ...
... It also reproduces vegetatively, forming dense stands and thick mats of roots that impede recruitment of other species (Christian 1999;Shimizu 2006;Tng et al. 2016). It alters soil chemistry and environmental conditions, producing allelopathic substances (Christian 1999;Patel 2012), modifying light levels (Christian 1999), and reducing groundwater recharge (Takahashi et al. 2011;Patel 2012). These traits enable P. cattleyanum to effectively depress recruitment of other plant species while simultaneously creating conditions more favorable to its own growth, making it a formidable invader (Christian 1999;Patel 2012). ...
... It also reproduces vegetatively, forming dense stands and thick mats of roots that impede recruitment of other species (Christian 1999;Shimizu 2006;Tng et al. 2016). It alters soil chemistry and environmental conditions, producing allelopathic substances (Christian 1999;Patel 2012), modifying light levels (Christian 1999), and reducing groundwater recharge (Takahashi et al. 2011;Patel 2012). These traits enable P. cattleyanum to effectively depress recruitment of other plant species while simultaneously creating conditions more favorable to its own growth, making it a formidable invader (Christian 1999;Patel 2012). ...
Invasive plant species can drive ecosystem change, particularly on oceanic islands that are vulnerable to plant invasions and subsequent biodiversity loss. While invasive species management is vital for habitat restoration, efficacy of management efforts and the ability of native plants to regenerate varies among studies. The aim of this study was to examine the consequences of managing a thicket-forming woody plant species—Psidium cattleyanum Sabine (strawberry guava)—on subtropical forest regeneration, comparing spatial scales and management periods. We surveyed 15 locations on Norfolk Island, an isolated Pacific Island with a high proportion of endemic and threatened species, by establishing paired managed and unmanaged plots to assess changes in species-area relationships, abundance, richness, and composition of the plant community. Total plant richness was higher in managed plots at the largest scale examined (125 m²). However, there was no significant difference between managed and unmanaged plots in the slopes of species-area relationships when canopy, understory, and seedling strata were combined. Stratum-specific analyses revealed that management-driven changes were most evident in the subcanopy strata, which had significantly higher woody plant abundance and richness in managed plots. Compositional dissimilarity between managed and unmanaged plots was greater in locations with higher moisture levels, suggesting that post-management regeneration is related to environmental conditions. This study suggests that P. cattleyanum suppresses plant recruitment and its removal allows for forest regeneration, indicating that management of dominant invasive woody species facilitates plant recruitment on Norfolk Island if nearby native propagule sources are present.
... Essa espécie é nativa do Brasil, podendo ser encontrada tipicamente nos estados da Bahia ao Rio Grande do Sul (PEREIRA et al., 2018). No entanto, P. cattleyanum se naturalizou em locais como o Havaí e muitas ilhas do Caribe, podendo assim ser encontrada pelo mundo em regiões de clima tropical, como América do Sul e América Central (PATEL, 2012). ...
... P. cattleyanum é uma árvore ou arbusto frutífero de pequeno porte, cujos frutos são ricos em vitamina C, com casca de coloração geralmente amarela ou vermelha, possuem 2,2 a 5 cm de diâmetro com polpa branca e numerosas sementes (PEREIRA et al., 2018). Suas folhas são perenes, brilhantes e resistentes (PATEL, 2012). Essa espécie possui importância comercial atribuída aos seus frutos utilizados na indústria alimentícia (SANTOS et al., 2007). ...
As plantas do gênero Psidium (Myrtaceae) apresentam, dentre seus usos relevantes, atividades biológicas relacionadas aos seus compostos ativos, com destaque ao óleo essencial (OE) presente na folha. Os OEs extraídos das folhas de Psidium guajava, Psidium cattleyanum e Psidium gaudichaudianum possuem aplicações em larvas de Aedes aegypti, herbicida e citogenotóxica. Para ampliar as aplicações do OE, que é insolúvel em água e facilmente degradado por fatores externos, métodos de proteção podem ser utilizados para formar cápsulas ou complexos de inclusão (CIs). Um oligossacarídeo que pode ser utilizado para complexar o OE é a 2-hidroxipropil-β-ciclodextrina (HPβCD), que é derivada do amido. Para produzir os CIs, os métodos físicos como maceração (KN) e liofilização (FD) podem ser empregados. A fim de comprovar se os CIs foram preparados corretamente, técnicas analíticas podem ser utilizadas, como a espectroscopia na região do UV-Vis, FTIR, TGA, DLS e XRD. Os OEs e CIs de Psidium produzidos podem ser aplicados em larvas de Aedes aegypti, em plantas invasoras como Lolium multiflorum e Bidens pilosa e em células meristemáticas da raiz de Lactuca sativa, sendo verificado a influência na normalidade do ciclo celular. Considerando a importância dos óleos essenciais, dos complexos de inclusão e de suas potenciais aplicações, este capítulo aborda os assuntos mais relevantes numa revisão da literatura sobre esse assunto.
... cattleianum Sabine) has a firm, sweet, and acid pulp, and is highly appreciated for its exotic flavour. It is usually obtained directly from the harvest in native vegetation or small orchards, and often marketed traditionally (Patel, 2012;Mallmann et al., 2020). Studies have shown that this fruit can reduce the development of degenerative diseases such as atherosclerosis, cancers, cardiovascular diseases, and diabetes, mainly attributed to the high content of phenolic compounds with high antioxidant capacity such as epicatechin and gallic acid (Medina et al., 2011;Pereira et al., 2018). ...
Red araçá (Psidium cattleianum Sabine) juice was processed using porous membranes to obtain a clarified product with a high amount of phenolic compounds prior to its use as a juice or other beverage. The variations in the permeate flux and concentrations of phenolics were determined in a cross-flow system using a polyetherimide microfiltration membrane (0.44 µm) and polyethersulfone ultrafiltration membrane (50 kDa). Both membranes reduced the initial turbidity (445 ± 2) to almost zero, and resulted in a clear and transparent permeate with a yellow colour. The microfiltration membrane showed better performance with the lowest phenolic compound retention (23.6%) and the highest permeate flux (40.6 ± 2 kg/m2h) in batch mode operation. The permeate flux of the microfiltration system showed an initial sharp decrease followed by a gradual decrease, reaching almost 60% lower than the initial permeate flux. The permeate flux resistance was mainly due to the polarised layer (70.2%), and the predominant fouling mechanism was the partial pore blockage, thus indicating that the solids present in the raw juice had size of the same order as the membrane pores.
... Notably, Psidium is one of the economically important genera because of its distinguished edible, essential oil-rich species such as P. guajava L. and P. cattleianum Sabine (Beltrame et al., 2021). P. cattleianum Sabine is a Brazilian native shrub, where it is commonly known as "araçá" (Faleiro et al., 2016); however, it is cultivated through the tropics and subtropics for its juicy, purple-red fruits known as strawberry guava or Cattley guava (Patel, 2012). The fruit has a strawberry-like flavor with a spicy touch and is rich in vitamin C, which is 3-4 times more than citrus fruits (Chalannavar et al., 2013). ...
Introduction: Psidium cattleianum Sabine is a Brazilian native shrub cultivated for its edible fruit araçá (strawberry guava). P. cattleianum is recognized for health and food applications, although the essential oils (EOs) from the Egyptian inhabitant are not fully explored. The current study investigated the anti-inflammatory and cytotoxic activities of EOs from P. cattleianum leaves and flowers.
Materials and methods: The EOs were obtained by three different methods viz; the conventional hydro-distillation, microwave assisted hydro-distillation, and supercritical fluid extraction, while their analysis was accomplished using GC/MS. The derived EOs were screened for their anti-inflammatory activity in the 5-lipoxygenase, COX-1, and COX-2 enzyme based assays, while the anticancer potential was deduced from MTT cytotoxic assay, cell cycle, and western blotting analysis.
Results and discussion: Among other methods, supercritical fluid extraction offered the highest EO yield, 0.62% (leaves) and 1.4% (flowers). GC/MS identified β-caryophyllene and α-humulene in both organs with high but variable percentages. The leaves demonstrated strong activity in inhibiting the 5-lipoxygenase enzyme (IC50 2.38), while the flowers, in inhibiting COX-2 (IC50 2.575). Moreover, the leaves showed potent, selective cytotoxicity to MCF-7 cells (IC50 5.32) via apoptosis by modulating the p53/Bax/Bcl2 axis. The deduced activities are possible due to the synergism between the volatile components that endorses P. cattleianum leaves’ EOs in the management of breast cancer and inflammatory disorders.
... Psidium cattleyanum (strawberry guava) is one such species that is recorded as invasive in many parts of the world. The species has been cultivated in many tropical and subtropical regions around the world for its edible fruits and ornamental value (Patel, 2012). It has become naturalised in several regions globally and is one the most widespread woody invasive plants (Richardson and Rejm anek 2011). ...
Psidium cattleyanum (Myrtaceae) is a widespread invasive species in several countries, particularly on oceanic islands. The species was first recorded in South Africa in 1948 and has since established self-sustaining populations. We present the first comprehensive evaluation of the invasiveness of P. cattleyanum in South Africa by: 1) mapping the current distribution of the species; 2) estimating its potential range using species distribution models in MaxEnt; 3) analysing the risk posed to South Africa using the risk analysis for alien taxa framework; and 4) developing recommendations for regulation. Psidium cattleyanum was recorded at 52 sites in four provinces across South Africa, with the population in the Western Cape being the first substantial invasive population reported from a temperate winter-rainfall region globally. Invasive populations were assessed in detail at four sites: Newlands Forest (Western Cape; n=2193 plants; covering ∼12 ha), Eshowe (KwaZulu-Natal; n=1561, ∼7.6 ha), Southbroom (KwaZulu-Natal; n = 449, ∼2.9 ha), and George (Western Cape; n=214, ∼2.4 ha). At all four sites the species is self-sustaining and there is evidence of spread. In South Africa, the east coast is climatically suitable for the species to expand its range. Although damaging invasions of P. cattleyanum have only been recorded on several islands to date, we find no reason to suggest that climatically suitable continental regions (including parts of South Africa) will not suffer harmful impacts if invasions progress unmanaged. As such, we support the current regulation of P. cattleyanum in South Africa, whereby the species must be controlled as part of a national management plan (category 1b) noting that while it is advisable to ban cultivation, the forcible removal of plants from people's gardens should perhaps only be prioritised if such plantings clearly pose a high risk (i.e., in climatically suitable regions near to riparian areas or natural areas).
... Psidium cattleianum Sabine (Araçá) is an edible Brazilian native species of the Myrtaceae family [16,17], which contains several bioactive compounds such as polysaccharides [17,18]. In a previous study, the structural and physicochemical characterization showed that the Araçá pectin (APP sample, i.e., 3.5% w/w of the initial dried material) is a non-gelling pectin in excess of calcium counterions. ...
In this work, purified pectins from Araçá fruits (Psidium cattleianum Sabine) were obtained and characterized after partial demethylation. On each prepared sample, the carboxylic yield was obtained by titration, the degree of methylation (DM) by 1H-NMR, and the molecular weight distribution by steric exclusion chromatography (SEC). Then, the gelation ability in the presence of calcium counterions was investigated and related to DM (59–0%); the pectin concentration (2–10 g L−1); and the CaCl2 concentration (0.1–1 mol L−1) used for dialysis. The critical pectin concentration for homogeneous gelation was above 2 g L−1 when formed against 1 mol L−1 CaCl2. The elastic modulus (G′) increased with pectin concentration following the relationship G′~C2.8 in agreement with rigid physical gel network predictions. The purified samples APP and APP-A with DM ≥ 40% in the same conditions released heterogeneous systems formed of large aggregates. Gels formed against lower concentrations of CaCl2 down to 0.1 mol L−1 had a higher degree of swelling, indicating electrostatic repulsions between charged chains, thus, counterbalancing the Ca2+ cross-linkage. Compression/traction experiments demonstrated that an irreversible change in the gel structure occurred during small compression with an enhancement of the G′ modulus.
... [128] In vitro studies have provided evidence to the antioxidant, anti-diabetic, anticancer, antimicrobial, and anti-inflammatory properties of strawberry guava. [126][127][128][129][130][131]180] Moreover, in vivo experiments using rat models have substantiated the antioxidant, antidiabetic, antifungal, and anti-aging activities of P. cattleianum Sabine. [131,181,182] Although strawberry guava fruit is widely consumed fresh or used to flavor beverages, ice creams and desserts or in fillings, jams, jellies, sauces, there are currently almost no nutraceutical products derived from the Psidium species on the global market. ...
... [131,181,182] Although strawberry guava fruit is widely consumed fresh or used to flavor beverages, ice creams and desserts or in fillings, jams, jellies, sauces, there are currently almost no nutraceutical products derived from the Psidium species on the global market. [179,180] e only product that can be found on international websites are fresh strawberry guava leaves for infusion (https://www.movagarden.com/freshcattleyguava-leaves). P. cattleianum Sabine offers great scope for transformation into innovative health products owing to its assortment of beneficial activities but the invasive nature of the plant remains a sizeable barrier to overcome. ...
... P. cattleianum Sabine offers great scope for transformation into innovative health products owing to its assortment of beneficial activities but the invasive nature of the plant remains a sizeable barrier to overcome. [180] Carica papaya Linn.: A highly promising nutraceutical crop C. papaya Linn, belonging to the family Caricaceae, is a tropical tree, native to Central America and now widely cultivated in tropical and sub-tropical regions around the world for its fruits and latex. [183][184][185] Commonly known as papaya or pawpaw, C. papaya L. was introduced in Mauritius in the 18 th century and now grows in a number of geographic locations in Mauritius, being a resilient crop that adapts well, even on difficult terrain conditions, to the Mauritian agro-climate. ...
Nutraceuticals and natural health products globally represent one of the fastest growing sectors of research and development leading to novel products intended for disease risk reduction and human health promotion. The global nutraceutical market is expected to grow at a compound annual growth rate of 8.3% from 2020 to 2027 to reach USD 722.5 billion by 2027. There is a need to respond to this sector by exploring the local resources to target the production of innovative products from plant/marine biofactors with high prospects for commercial ventures. This paper explores the nutraceutical potentials enshrined in biodiversity values in a small island state in view to promote sustainable agricultural development to facilitate available resources for the development of regimen for the management of health and disease and in essence, pharmacotherapy. The reported phytochemical composition and pharmacological activities, of the terrestrial flora and marine organisms with high propensity for development and production of nutraceutical products will be discussed. Bioactive phytochemicals encompassing the immensely diverse groups of phenolic acids, flavonoids, terpenoids, alkaloids, possess therapeutic virtues including anti-diabetic, antihypertensive, anticancer, anti-inflammatory, and immunomodulatory attributes, all
of which are highly relevant to the budding nutraceutical industry.
... Strawberry guava (Psidium cattleianum) is an evergreen tree native to Brazil that has been designated an invasive species in 23 tropical and subtropical regions, including Mauritius (CABI 2019). Both in Mauritius and globally, strawberry guava tends to grow in dense, monospecific stands that strangle out native vegetation and pose serious threats to native plants (Macdonald et al. 1991;Patel 2012;Tng et al. 2016;Florens et al. 2017). Strawberry guava can establish in shady understories and reach 8 m tall, and once mature overtake the canopy (CABI 2019; Barbosa et al. 2016). ...
... Alternatively, it can establish in the full sun as a shrub growing 2-4 m tall (CABI 2019). The fruits are eaten by humans (Patel 2012) and it is likely for this reason that the plant was introduced to Mauritius around the 1830s (Lorence and Sussman 1986;Kueffer and Mauremootoo 2004). Strawberry guava spreads prolifically from seeds and can also re-sprout from stumps, making removal and eradication complicated (Vaughan and Wiehe 1937;Fowler et al. 2000;NPCS 2017). ...
... At the time of this study, no published research was found on remote sensing of IAS in Mauritius, or on using open-access satellite imagery to map strawberry guava. Given the fact that strawberry guava tends to grow in dense monospecific stands with widespread range, it is an excellent candidate for using satellite mapping to track its distribution on the island (Patel 2012). ...
Invasive flora alien species (IAS) pose a serious threat to biodiversity in tropical forests. This study evaluated different classification approaches for remote sensing of the target IAS, strawberry guava (Psidium cattleianum), using open-access satellite imagery to aid research and understanding of IAS impacts in tropical forests. This is likely the first study using freely available open-access imagery to map strawberry guava, and the first mapping of invasive species in Mauritius using remote sensing. Ground-based observations in Black River Gorges National Park (BRGNP), Mauritius, resulted in 4670 ‘ground truth’ samples across three land cover classes representing different levels of strawberry guava canopy cover; 70% of these ground truth data were used for training and model tuning, and 30% were held-out for testing. Classification was performed using Sentinel-2 MSI images and Google Earth Engine. Computation of Jeffries-Matusita distance supported the addition of Grey Level Co-Occurrence Matrix texture measures, and spectral indices (ARI1, and ReNDVI) for classification, since these features increased separability of strawberry guava cover classes substantially over using spectral bands alone. Higher than 80% overall and individual class accuracies were achieved with both Random Forest (RF) and Support Vector Machine (SVM) classification of strawberry guava in BRGNP. RF is recommended for similar future applications for its higher overall accuracy (97.60% ± .20% at 95% confidence), lower variation, and prediction of more homogenous class regions. This study found that strawberry guava canopy cover in BRGNP was highest in central regions and correlated to steeper slopes, with little overall change from 2016 to 2020.
