What is guava leaves components?
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Guava leaves contain various components with significant biological activities. The essential oil extracted from guava leaves consists of compounds like L‐caryophyllene, L‐calamenene, (−)‐globulol, and α‐copaene . On the other hand, the ethanolic extract of guava leaves is rich in phenolic substances such as catechin, gallic acid, and quercetin, which contribute to its antioxidant properties . Additionally, the n-hexane extract of guava leaves contains compounds like squalene, α-tocopherol, and γ-sitosterol, while the essential oil is composed of D-limonene and viridiflorol . These components play a crucial role in providing guava leaves with antioxidant, antimicrobial, and antidiabetic properties, making them valuable for various applications in food, medicine, and cosmetics .
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1 Citations | Monocyclic components of rust and photosynthetic damage were studied in guava leaves infected by Austropuccinia psidii, showing high disease severity in young leaves but resistance in old leaves. |
| Monocyclic components of rust and photosynthetic damage caused by Austropuccinia psidii in guava leaves were studied, showing high disease severity in young leaves but resistance in old leaves. | |
| Guava leaves contain squalene, α-tocopherol, γ-sitosterol in n-hexane extract, and D-limonene, viridiflorol in essential oil, as identified by GC/MS analysis in the study. | |
| The main components of guava leaf essential oil (GLEO) are L‐caryophyllene, L‐calamenene, (−)‐globulol, and α‐copaene, accounting for 74.90% of the total oil content. | |
| Guava leaves contain bioactive phenolic substances like catechin, gallic acid, and quercetin, contributing to anti-androgen and antioxidant properties, as highlighted in the research. |
Related Questions
What are the medicinal uses of guava leaves?5 answersGuava leaves have been used in traditional medicine for various medicinal purposes. They have been found to have hypoglycemic, antibacterial, anti-inflammatory, antioxidant, and anticancer effects. The leaves contain triterpenoids, sesquiterpenes, and flavonoids, which are believed to be responsible for these therapeutic properties. Guava leaf extract has shown potential in treating hair loss by inhibiting the synthesis of dihydrotestosterone, a potent androgen. The extract contains phenolic substances such as catechin, gallic acid, and quercetin, which contribute to its antioxidant activities. Guava leaves also possess anti-inflammatory properties and can inhibit iNOS, COX-2, and NF-kβ, making them valuable in treating periodontal disease. Additionally, guava leaves have been used as a traditional remedy for diarrhea, and efforts have been made to classify the quality of different guava leaf species for this purpose.
What are the polyphenols of guava leaves?5 answersGuava leaves contain a variety of polyphenols, including gallic acid, protocatechuic acid, catechin, caffeic acid, chlorogenic acid, ferulic acid, rutin, ellagic acid, and quercetin. These polyphenols have antioxidant properties and contribute to the potential health benefits of guava leaves, such as anti-oxidation, anti-DNA damage, and anti-diabetic effects. The extraction and purification methods described in the papers allow for the isolation of these polyphenols in high purity, making them suitable for industrial production and potential use in functional foods or health care products.
What are the properties of guava leaves paper?3 answersGuava leaves paper has several properties. It can be used as a colorimetric sensor for quercetin determination in guava leaf extract samples, providing a simple and fast method for analysis. Guava leaves also possess various pharmacological properties, including hypoglycemic, antivirus, antibacterial, anti-inflammatory, antioxidant, and antitumor effects. The constituents of guava leaves, such as triterpenoids, sesquiterpenes, and flavonoids, have been found to interact with various tumors and regulate signaling pathways in cancers. Additionally, guava leaves exhibit outstanding antioxidant and antimicrobial properties, making them suitable for use in food preservation and storage. Furthermore, guava leaves can be used as indicators for disease detection in guava trees, with different diseases causing distinct changes in the color and shape of the leaves.
What are the medicinal properties of young leaves of Guava?5 answersThe young leaves of guava (Psidium guajava L.) have several medicinal properties. They are rich in tannins, phenols, triterpenes, flavonoids, essential oils, saponins, carotenoids, lectins, vitamins, fiber, and fatty acids. Guava leaves have been traditionally used in Thai folk medicine as a herbal remedy for hair loss. They have been found to inhibit the synthesis of dihydrotestosterone, a potent androgen, by downregulating SRD5A genes. Guava leaves also possess hypoglycemic, antibacterial, anti-inflammatory, antioxidant, and anticancer effects. They contain triterpenoids, sesquiterpenes, and flavonoids, which are believed to be the active components responsible for these effects. Additionally, guava leaves exhibit antimicrobial activity against both Gram-positive and Gram-negative bacterial strains, as well as fungal strains. The antimicrobial property of guava leaves is attributed to their rich content of polyphenols, including phenols, flavonoids, and tannins.
What are the traditional uses of guava leaves?3 answersGuava leaves have been traditionally used for various purposes. They have been used in traditional medicine to treat cancer, inflammation, and other illnesses. In Thai folk medicine, guava leaf extract has been used as a remedy for hair loss. Additionally, guava leaves have been used as an anti-diarrhea medicineand have been found to possess antimicrobial properties against bacteria and fungi. The leaves contain bioactive compounds such as triterpenoids, sesquiterpenes, flavonoids, catechin, gallic acid, and quercetin, which contribute to their therapeutic effects. The classification of guava leaf species based on their quality has also been studied using methods like GLCM and neural network algorithms. Overall, guava leaves have a long history of traditional use for various health conditions and continue to be studied for their potential therapeutic benefits.
What is the benefits of guava leaves?2 answersGuava leaves have numerous benefits. They are rich in phytochemicals such as quercetin, avicularin, apigenin, and kaempferol, which contribute to their health benefits. These leaves have been studied for their various biological activities, including anticancer, antidiabetic, antioxidant, antimicrobial, and hepatoprotective activities. Guava leaves also contain active compounds like tannins, flavonoids, and triterpenoids, which can inhibit microbial growth. Additionally, guava leaves have been found to possess antitumor properties and can regulate signaling pathways involved in lung cancer. They also exhibit pharmacological activities such as antibacterial, anti-inflammatory, and antioxidant effects. Furthermore, guava leaf extract has shown antioxidant and antidiabetic activities, making it beneficial for managing diabetes and reducing dyslipidemia. Overall, guava leaves have a wide range of potential health benefits and can be used in the development of functional foods and pharmaceuticals.