Chemical composition and biological activities of the essential oils of Psidium guajava leaf

Weli, Afaf M.; Al-Kaabi, Amna; Al-Sabahi, Jamal Nasser; Said, Sadri A.; Al-Riyami, Sommya

doi:10.1016/j.jksus.2018.07.021

Cited by 49 publications

(35 citation statements)

References 10 publications

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“…Another study showed that (E)-caryophyllene, caryophyllene oxide, and α-humulene were the main compounds in the essential oil of P. guajava leaves collected from Espírito Santo, Brazil [24]. The compounds iso-caryophyllene, veridiflorene, farnesene, dl-limonene, ∆-cadinene, α-copaene, and α-humulene were found to be abundant in the EO of plants collected from the Alsharqia region, Sultanate of Oman [66], while α-terpinyl acetate, trans-caryophyllene, nerolidol, α-cadinol, α-copaene, α-humulene, and aryphyllene oxide were found in plants collected from Northeast India [67].…”

Section: Chemical Constituents Of the Essential Oilsmentioning

confidence: 98%

Toxicological Activity of Some Plant Essential Oils Against Tribolium castaneum and Culex pipiens Larvae

et al. 2019

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In the present work, essential oils (EOs) from Schinus terebinthifolius (ripe and unripe fruits and leaves), Origanum majorana (air-dried aerial parts), and Psidium guajava (leaves) were assayed for their insecticidal activity against red flour beetle (Tribolium castaneum) and Culex mosquito larvae (Culex pipiens). Several components were identified in the EOs using Gas chromatography–mass spectrometry (GC/MS), of which Δ-3-carene (25.9%), γ-terpinene (19.4), and γ-elemene (7.1%) were the major ones in S. terebinthifolius ripe fruits, α-pinene (48.9%), germacrene D (12.9%), and α-thujene (7.7%) in S. terebinthifolius unripe fruits, γ-elemene (11.7%), spathulenol (10.1%), β-elemene (9.2%), and p-cymene (9.1%) in S. terebinthifolius leaves, α-pinene (25.5%), (E)-caryophyllene (15.7%), (E)-nerolidol (16.7%), and cedran-8-ol (8.8%) in P. guajava leaves, and terpinen-4-ol (21.7%), γ-terpinene (16.5%), and sabinene (10.1%) in O. majorana air-dried aerial parts. The lethal concentration (LC50) was calculated for tested EOs at different time periods (after 6, 12, 24, 48, and 72 h). After 6 h of treatment, the LC50 was 33.3 and 6.8 µg/L air for S. terebinthifolius ripe and unripe fruits, respectively, and >40 µg/L air for EOs of S. terebinthifolius leaves, O. majoranaair-dried aerial parts, and P. guajava leaves. After 24 h of treatment, the LC50 was 4.2, <2, 5, >40, and 6.1 µg/L air for EOs of S. terebinthifolius ripe fruits and leaves, O. majorana leaves, and P. guajava leaves, respectively. On the other hand, the LC50 values decreased when the exposed period was increased to 72 h, and were <2 µg/L air for EOs of S. terebinthifolius ripe fruits, unripe fruits, and leaves along with P. guajava leaves, respectively, and 37.912 for EO of O. majorana leaves. The LC50 value after 24 h of exposure of S. terebinthifolius unripe fruit EO was under 2 µg/L air, which means that the EO of S. terebinthifolius ripe fruit had a strong effect on adult T. castaneum adults compared to other tested EOs using the fumigation method. The present data confirm that the EOs of O. majorana leaves and S. terebinthifolius unripe fruits and leaves were more effective as larvicide than the EOs of S. terebinthifolius ripe fruits and P. guajava leaves on C. pipiens at a higher concentration (100 mg/L) when applied by the dipping method. EOs from S. terebinthifolius unripe or ripe fruits and leaves and P. guajava leaves were more effective as adulticide than EO of O. majorana leaves against T. castaneum when applied by the fumigant method.

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Section: Chemical Constituents Of the Essential Oilsmentioning

confidence: 98%

Toxicological Activity of Some Plant Essential Oils Against Tribolium castaneum and Culex pipiens Larvae

et al. 2019

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“…Profile XVII from China was characterized by monoterpenes with p -menthane, pinane and carane skeletons (α-pinene 25.5%, δ-3-carene 8.8%, limonene 9.8%), followed by sesquiterpenes with acyclic, caryophyllane, cedrane and aromadendrane skeletons, as E -nerolidol (16.7%), E -caryophyllene (15.7–33.5%), cedran-8-ol (8.8%), viridiflorene (13.0%), and ( E )-β-farnesene (11.7%) [ 70 , 71 ]. Profile XVIII from oil records of Ecuador and Egypt was characterized by monoterpenes with p -menthane and pinane skeletons as: limonene (33.3–54.7%), α-pinene (1.5–29.5%), carvotacetone acetate (0–8.2%) and 1,8-cineole (0–32.1%) [ 40 , 72 ].…”

Section: Volatile Profilesmentioning

confidence: 99%

“…Several published works have reported the potential of Psidium essential oils against Gram-positive and Gram-negative bacteria. Psidium guajava essential oils from China were evaluated by disc diffusion method exhibiting inhibition halos against strains of Bacillus aryabhattai (15.3–23.1 mm), Arthrobacter creatinolyticus (9.1–20.1 mm), Bacillus megaterium (16.9–21.2 mm), Bacillus subtilis (17.0–19.0 mm) [ 53 ], Enterococcus faecales (6.0–16.5 mm), Staphylococcus aureus (9.0–18.6 mm), Haemophilus influenzae (12.0 mm), Pseudomonas aeruginosa (6.0–8.0 mm), and Escherichia coli (13.0–19.4 mm), methicillin-resistant Staphylococcus aureus (7.6 mm), and Staphylococcus epidermidis (18.2 mm) [ 71 , 73 ].…”

Section: Biological Activitiesmentioning

confidence: 99%

Monoterpenes and Sesquiterpenes of Essential Oils from Psidium Species and Their Biological Properties

et al. 2021

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Psidium (Myrtaceae) comprises approximately 266 species, distributed in tropical and subtropical regions of the world. Psidium taxa have great ecological, economic, and medicinal relevance due to their essential oils’ chemical diversity and biological potential. This review reports 18 Psidium species growing around the world and the chemical and biological properties of their essential oils. Chemically, 110 oil records are reported with significant variability of volatile constituents, according to their seasonality and collection sites. Monoterpenes and sesquiterpenes with acyclic (C10 and C15), p-menthane, pinane, bisabolane, germacrane, caryophyllane, cadinane, and aromadendrane skeleton-types, were the primary constituents. The essential oils showed various biological activities, including antioxidant, antifungal, antibacterial, phytotoxic, larvicidal, anti-inflammatory, and cytotoxic properties. This review contributes to the Psidium species rational and economic exploration as natural sources to produce new drugs.

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“…The extracted EOs showed considerable variation in the yields, wherein they produced 0.48, 0.25, 0.21, 0.19, 0.18, 0.15, and 0.11% ( v/w ) for ESEG, RI, E, RM, WI, EQ, and RT, respectively. The oil obtained from the ESEG guava variety was comparable to that extracted from varieties of P. guajava cultivated in Pakistan (0.60%) [ 15 ], Tunisia (0.66%) [ 26 ], Brazil (0.40%) [ 6 ], and Oman (0.38%) [ 16 ]. In contrast, other studied varieties attained lower yields compared to other investigated varieties (Brazilian, Tunisian, and Omani).…”

Section: Resultsmentioning

confidence: 81%

Comparative Chemical Profiles of the Essential Oils from Different Varieties of Psidium guajava L.

et al. 2020

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Guava (Psidium guajava) leaves are commonly used in the treatment of diseases. They are considered a waste product resulting from guava cultivation. The leaves are very rich in essential oils (EOs) and volatiles. This work represents the detailed comparative chemical profiles of EOs derived from the leaves of six guava varieties cultivated in Egypt, including Red Malaysian (RM), El-Qanater (EQ), White Indian (WI), Early (E), El-Sabahya El-Gedida (ESEG), and Red Indian (RI), cultivated on the same farm in Egypt. The EOs from the leaves of guava varieties were extracted by hydro-distillation and analyzed with GC-MS. The EOs were categorized in a holistic manner using chemometric tools. The hydro-distillation of the samples yielded 0.11–0.48% of the EO (v/w). The GC-MS analysis of the extracted EOs showed the presence of 38 identified compounds from the six varieties. The sesquiterpene compounds were recorded as main compounds of E, EQ, ESEG, RI, and WI varieties, while the RM variety attained the highest content of monoterpenes (56.87%). The sesquiterpenes, β-caryophyllene (11.21–43.20%), and globulol (76.17–26.42%) were detected as the major compounds of all studied guava varieties, while trans-nerolidol (0.53–10.14) was reported as a plentiful compound in all of the varieties except for the RM variety. A high concentration of D-limonene was detected in the EOs of the RM (33.96%), WI (27.04%), and ESEG (9.10%) varieties. These major compounds were consistent with those reported for other genotypes from different countries. Overall, the EOs’ composition and the chemometric analysis revealed substantial variations among the studied varieties that might be ascribed to genetic variability, considering the stability of the cultivation and climate conditions. Therefore, this chemical polymorphism of the studied varieties supports that these varieties could be considered as genotypes of P. guajava. It is worth mentioning here that the EOs, derived from leaves considered to be agricultural waste, of the studied varieties showed that they are rich in biologically active compounds, particularly β-caryophyllene, trans-nerolidol, globulol, and D-limonene. These could be considered as added value for pharmacological and industrial applications. Further study is recommended to confirm the chemical variations of the studied varieties at a molecular level, as well as their possible medicinal and industrial uses.

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Chemical composition and biological activities of the essential oils of Psidium guajava leaf

Cited by 49 publications

References 10 publications

Toxicological Activity of Some Plant Essential Oils Against Tribolium castaneum and Culex pipiens Larvae

Toxicological Activity of Some Plant Essential Oils Against Tribolium castaneum and Culex pipiens Larvae

Monoterpenes and Sesquiterpenes of Essential Oils from Psidium Species and Their Biological Properties

Comparative Chemical Profiles of the Essential Oils from Different Varieties of Psidium guajava L.

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