Eriobotrya
Seeds
Effects of extract derived from Eriobotrya japonica on liver function improvement in rats. (1/23)
Eriobotrya japonica is considered a medicinal plant, and its leaves (Eriobotrya folia) have been used to treat skin diseases, as well as to relieve inflammation, pain, coughing, and sputa. In our evaluation of the pharmacological efficacy of the seed extracts, constituents of the seeds were found to contain the unsaturated fatty acids linolenic and linoleic acids and the sterol beta-sitosterol in the 70% EtOH and the MeOH extracts. The seed extracts were orally administered to rats with dimethylnitrosamine-induced hepatopathy, and blood L-asparate aminotransferase (AST) and L-alanine aminotransferase (ALT) levels, liver retinoid level, and hydroxyproline level were measured. Liver fibrosis rates calculated after Azan-Mallory staining and evaluation of the liver function-improving effects of extracts were showed that AST, ALT, and hydroxyproline levels and liver fibrosis rates were significantly lower, and retinoid levels were significantly higher in hepatopathic rats treated with 70% EtOH and MeOH extracts of the seed than in water-treated control rats. This suggests that the positive effect on liver function of the extracts varies depending on the extracting solvent used. 70% EtOH and MeOH extract of the seeds inhibited the development of liver fibrosis in hepatopathic rats, thus exhibiting potent improvement. The unsaturated linolenic and linoleic acids and the sterol beta-sitosterol contained in these extracts may also contribute to the improvement of liver function. (+info)A new acylated flavonol glycoside from the leaves of Eriobotrya japonica. (2/23)
A new acylated flavonol glycoside was isolated from the leaves of Eriobotrya japonica along with two known flavonol glycosides. Their structures were determined by extensive spectroscopic investigation. (+info)The effect of Eriobotrya japonica seed extract on oxidative stress in adriamycin-induced nephropathy in rats. (3/23)
Eriobotrya japonica has been used as a medicinal plant for a long time, and its leaves are known to have many physiological actions such as anti-inflammatory, antitussive, and expectoran. In contrast, Eriobotrya japonica seeds are only known to contain amygdalin, and almost no investigations of its pharmacological action have been performed. Moreover, some anticancer agents such as adriamycin cause renal disorders as an adverse effect, and the mechanism of the adverse effect is considered to involve oxidative stress. We have reported that Eriobotrya japonica seed extract has an inhibitory effect on liver disorders. In this study, we prepared a 70% ethanol extract of Eriobotrya japonica seeds and administered the extract to rats with renal disorder induced by a single administration of 7 mg/kg body weight adriamycin, and investigated the usefulness of the extract. Increases in indices of renal function, plasma urea nitrogen, were significantly inhibited in rats treated with the Eriobotrya japonica extract compared to rats treated with tap water. In addition, the renal tissue level of reduced glutathione was significantly high in rats that ingested the extract, while the lipid peroxide levels in plasma and renal tissue were significantly low. However, no effect on renal tissue antioxidative enzymes was observed, suggesting that Eriobotrya japonica seed extract has direct antioxidative action. Based on these findings, Eriobotrya japonica seed extract may be effective in reducing the oxidative stress of adriamycin-induced renal disorder. Therefore, ingestion of Eriobotrya japonica seed extract may contribute to a reduction of the adverse effects of adriamycin. (+info)Anti-inflammatory and antitumor-promoting effects of the triterpene acids from the leaves of Eriobotrya japonica. (4/23)
Sixteen triterpene acids, viz., five of the oleanane-type (1-5), nine of the ursane-type (6-14), and two of the lupane-type (15, 16), were isolated and identified from the ethyl acetate-soluble fraction of the methanol extract of the leaves of loquat, Eriobotrya japonica LINDL. (Rosaceae). Twelve of these compounds, 1-4, 6, 8-13, and 15, were evaluated for their inhibitory effects on 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced inflammation (1 microg/ear) in mice. All the compounds tested showed a marked anti-inflammatory effect, with a 50% inhibitory dose (ID50) of 0.03-0.43 mg per ear. In addition, an evaluation against the Epstein-Barr virus early antigen (EBV-EA) activation induced by TPA for all of the compounds, 12 and 13 showed potent inhibitory effects on EBV-EA induction. Furthermore, euscaphic acid (12) exhibited marked antitumor-promoting activity in an in vivo two-stage carcinogenesis test of mouse tumor by using 7,12-dimethylbenz[a]anthracene (DMBA) as an initiator and TPA as a promoter. (+info)Scavenging of reactive oxygen species by Eriobotrya japonica seed extract. (5/23)
We have clarified that Eriobotrya japonica seed extract has strong antioxidative activity, and is effective for the prevention and treatment of various diseases, such as hepatopathy and nephropathy. In this study, to investigate the influences of components of Eriobotrya japonica seed extract on its antioxidative activity, extracts were prepared using various solvents (n-hexane (Hex), ethyl acetate (EtOAc), n-butanol (n-BuOH), methanol (MeOH) and H2O) and the antioxidative activity of the solvent fractions and components was evaluated based on the scavenging of various radicals (DPPH and O2(-)) measured by the ESR method and the inhibition of Fe3+-ADP induced NADPH dependent lipid peroxidation in rat liver microsomes. The radical scavenging activities and inhibitory activities on lipid peroxidation differed among the solvent fractions and components. In the n-BuOH, MeOH and H2O fractions, radical scavenging activity and inhibitory activity on lipid peroxidation were high. In addition, these fractions contained abundant polyphenols, and the radical scavenging activity increased with the polyphenol content. In the low-polar Hex and EtOAc fractions, the radical scavenging activity was low, but the lipid peroxidation inhibition activity was high. These fractions contained beta-sitosterol, and the inhibitory activity on lipid peroxidation was high. Based on these findings, the antioxidative activity of Eriobotrya japonica seed extract may be derived from many components involved in a complex mechanism, resulting in high activity. (+info)Survival strategy of Erwinia amylovora against copper: induction of the viable-but-nonculturable state. (6/23)
Copper compounds, widely used to control plant-pathogenic bacteria, have traditionally been employed against fire blight, caused by Erwinia amylovora. However, recent studies have shown that some phytopathogenic bacteria enter into the viable-but-nonculturable (VBNC) state in the presence of copper. To determine whether copper kills E. amylovora or induces the VBNC state, a mineral medium without copper or supplemented with 0.005, 0.01, or 0.05 mM Cu(2+) was inoculated with 10(7) CFU/ml of this bacterium and monitored over 9 months. Total and viable cell counts were determined by epifluorescence microscopy using the LIVE/DEAD kit and by flow cytometry with 5-cyano-2,3-ditolyl tetrazolium chloride and SYTO 13. Culturable cells were counted on King's B nonselective solid medium. Changes in the bacterial morphology in the presence of copper were observed by scanning electron microscopy. E. amylovora entered into the VBNC state at all three copper concentrations assayed, much faster when the copper concentration increased. The addition of different agents which complex copper allowed the resuscitation (restoration of culturability) of copper-induced VBNC cells. Finally, copper-induced VBNC cells were virulent only for the first 5 days, while resuscitated cells always regained their pathogenicity on immature fruits over 9 months. These results have shown, for the first time, the induction of the VBNC state in E. amylovora as a survival strategy against copper. (+info)Corosolic acid isolation from the leaves of Eriobotrta japonica showing the effects on carbohydrate metabolism and differentiation of 3T3-L1 adipocytes. (7/23)
The extracts of Eriobotrta japonica leaves with the 3H-glucose uptaking activity in 3T3-L1 adipocytes were separated by TLC for two times. On the basis of UV-vis spectral, NMR and MS data, corosolic acid was identified as activity components. Moreover, the effects of corosolic acid on carbohydrate metabolism and differentiation of 3T3-L1 adipocytes was studied. The results showed that 3H-glucose uptaking rate in different concentrations of corosolic acid (15 micromol/L, 30 micromol/L, and 45 micromol/L) group were increased to 108.1%, 112.2% ,118.6%, respectively, compared to control group (without corosolic acid) (p<0.01). Corosolic acid suppressed the differentiation of 3T3-L1 pre-adipocytes and down-regulated the expression of PPAR-gamma and C/EBP-alpha mRNA (p<0.01, vs control group). Corosolic acid promotes the 3H-glucose uptaking, suppresses the differentiation and downregulates the expression of PPAR-gamma and C/EBP-alpha mRNA in 3T3-L1 adipocytes. (+info)Effect of Eriobotrya japonica seed extract on 5-fluorouracil-induced mucositis in hamsters. (8/23)
In this study, we investigated the effects of an Eriobotrya japonica seed extract (ESE) on mucositis using a 5-fluorouracil (5-FU)-induced mucositis hamster model. This model was prepared by intraperitoneally administering 90 mg/kg of 5-FU to hamsters on Day 1, scratching 1 cm(2) of the left cheek pouch of hamsters with a wire brush on Days 2, 3, and 4, and intraperitoneally administering 60 mg/kg of 5-FU on Day 5. Mucositis was evaluated based on the mucositis score at the mucositis site, left cheek pouch thickness, histological findings on HE staining, and plasma lipid peroxide levels. On Day 10, the mucositis score and left cheek pouch thickness in the ESE group were significantly lower than those in the tap water group. Histologically, the two groups showed a defect of the cheek pouch epithelium on Day 6. On Day 10, epithelial injury and bacterial infection were noted in the tap water group. However, in the ESE group, similar findings were not observed. On Day 6, the plasma lipid peroxide level in the tap water group was significantly higher than that in the normal group. In the ESE group, the plasma lipid peroxide level was significantly lower than that in the tap water group. These results suggest that ESE is useful for treating chemotherapy-induced mucositis. (+info)"Eriobotrya" is a genus of flowering plants in the family Rosaceae, which includes several species of trees and shrubs. The most well-known species is Eriobotrya japonica, also known as the loquat tree. The loquat tree is native to southeastern China and has been cultivated for its fruit, leaves, and bark in many parts of the world.
The name "Eriobotrya" comes from the Greek words "erion," meaning wool, and "botrys," meaning cluster of grapes, which refers to the woolly clusters of flowers that the tree produces. The fruits of the loquat tree are small, round, and orange or yellow in color, with a sweet and slightly tart flavor. They are often eaten fresh or used in jams, jellies, and other culinary applications.
In addition to its use as a food source, the loquat tree has also been used in traditional medicine for various purposes, including treating coughs, sore throats, and digestive disorders. The leaves of the tree contain several bioactive compounds that have been shown to have anti-inflammatory, antioxidant, and antimicrobial properties. However, it is important to note that the safety and efficacy of using loquat leaves or other parts of the plant for medicinal purposes have not been thoroughly studied in clinical trials, so they should be used with caution.
In medical terms, "seeds" are often referred to as a small amount of a substance, such as a radioactive material or drug, that is inserted into a tissue or placed inside a capsule for the purpose of treating a medical condition. This can include procedures like brachytherapy, where seeds containing radioactive materials are used in the treatment of cancer to kill cancer cells and shrink tumors. Similarly, in some forms of drug delivery, seeds containing medication can be used to gradually release the drug into the body over an extended period of time.
It's important to note that "seeds" have different meanings and applications depending on the medical context. In other cases, "seeds" may simply refer to small particles or structures found in the body, such as those present in the eye's retina.
A plant extract is a preparation containing chemical constituents that have been extracted from a plant using a solvent. The resulting extract may contain a single compound or a mixture of several compounds, depending on the extraction process and the specific plant material used. These extracts are often used in various industries including pharmaceuticals, nutraceuticals, cosmetics, and food and beverage, due to their potential therapeutic or beneficial properties. The composition of plant extracts can vary widely, and it is important to ensure their quality, safety, and efficacy before use in any application.
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Eriobotrya - Wikipedia
Journal of Medicinal Plants Research - oleanolic and ursolic acid in the fruit of eriobotrya japonica lindl.
Eriobotrya japonica - The Smarter Gardener
Loquat (Eriobotrya japonica): അതെങ്ങനെയാണ്, പരിചരണവും അതിലേറെയും | എല്ലാ മരങ്ങളും
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Green Synthesis of Iron Nanoparticles by Aqueous Extract of Eriobotrya japonica Leaves as a Heterogeneous Fenton-like Catalyst:...
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Loquat7
- Possibility of intergeneric hybrids between loquat (Eriobotrya japonica lindl. (tropicalfruitforum.com)
- Considering the number of recent Chinese papers that talk about hybridizing wild Eriobotrya species with E. japonica to shift the flowering time to spring, I truly believe that we will see a new generation of spring-flowering loquat cultivars in the coming years. (tropicalfruitforum.com)
- Eriobotrya japonica (Loquat) is a species of tree in the family Rosaceae . (eol.org)
- Eriobotrya japonica is commonly known as loquat, is an evergreen and small fruit tree, and native to South-central China and colder and hilly regions of China. (lesielle.com)
- USDA-ARS, NCGR at Davis is adding a collection of Eriobotrya (loquat) to our list of genera for preservation. (usda.gov)
- In Florida, they feed on fruits and berries of exotic plants including loquat ( Eriobotrya japonica ), Lantana spp. (earthlife.net)
- 2005-01-20 A relative of pear, apple, and peach, the loquat (Eriobotrya japonica) tree is a lesser-known fruit. (echocommunity.org)
Lindl3
- Eriobotrya Lindl. (wikipedia.org)
- oleanolic and ursolic acid in the fruit of eriobotrya japonica lindl. (academicjournals.org)
- La Mancha Morada en níspero japonés (Eriobotrya japonica Lindl. (ual.es)
Thunb3
Rosaceae1
- Eriobotrya is a genus of flowering plants, mostly large evergreen shrubs and small trees in the family Rosaceae, native to woodland in the Himalayas and East Asia. (wikipedia.org)
Species5
- Eriobotrya species are used as food plants by the larvae of some Lepidoptera species including Hypercompe hambletoni. (wikipedia.org)
- Thanks, …, Is this the only species of Eriobotrya available in your area? (efloraofindia.com)
- What are the species of Eriobotrya available in your area? (efloraofindia.com)
- Considering that it will probably take a while before I can find a source for wild Eriobotrya species, I've been going through the previous papers and taking notes to get a better picture and to better know what to keep an eye out for. (tropicalfruitforum.com)
- The third paper is probably the most exciting, as it describes a technique which could enable new combinations when hybridizing different Eriobotrya species. (tropicalfruitforum.com)
Genera1
- With these papers in mind, I've been looking at the different genera which are closely related to Eriobotrya. (tropicalfruitforum.com)
Plants2
- Plants of the World Online treats Eriobotrya as a synonym of Rhaphiolepis. (wikipedia.org)
- Search : Eriobotrya RHS A-Z encyclopedia of garden plants. (wikipedia.org)
Rhaphiolepis2
- The first one highlights the close relationship between Eriobotrya and Rhaphiolepis, even suggesting that Eriobotrya should be nested within Rhaphiolepis. (tropicalfruitforum.com)
- The second paper seems to confirm this close relationship, as it describes artificial hybrids between Rhaphiolepis and Eriobotrya. (tropicalfruitforum.com)
Fruit1
- Eriobotrya japonica fruit/ leaf extract in skincare, What is? (lesielle.com)
20231
- https://www.plantarium.ru/lang/en/page/image/id/723331.html (accessed on 2 Oct 2023). (plantarium.ru)
Loquats2
- For Bermudians, February means just one thing: loquats (eriobotrya japonica), loquats and more loquats. (thebermudian.com)
- Loquats, scientifically known as Eriobotrya japonica, are small to medium-sized evergreen trees that thrive in subtropical and mild temperate climates. (starkbros.com)
Extract2
- Abstract -In the present study, iron nanoparticles (FeNPs) were synthesized by using aqueous extract of Eriobotrya japonica leaves. (ijcea.org)
- Cite: Emel Simla Önal, Tolga Yatkin, Memduha Ergüt, and Ayla Özer, 'Green Synthesis of Iron Nanoparticles by Aqueous Extract of Eriobotrya japonica Leaves as a Heterogeneous Fenton-like Catalyst: Degradation of Basic Red 46,' International Journal of Chemical Engineering and Applications vol. 8, no. 5, pp. 327-333, 2017. (ijcea.org)
Evergreen1
- Loquat trees, also known by their scientific name Eriobotrya japonica, are small to medium-sized evergreen trees native to southeastern China. (itex.com)
Fruits1
- Antibacterial activity of extracted polysaccharide from fruits and seed of Eriobotrya japonica L. (researchgate.net)