Relevant bibliographies by topics / Guava Leaf Extract

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Guava Leaf Extract'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Guava Leaf Extract"

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Ariani, Sri Retno Dwi, Endang Susilowati, Elfi Susanti VH, and Setiyani Setiyani. "ACTIVITY TEST OF GUAVA (Psidium guajava L.) LEAF METHANOL EXTRACT AS CONTRACEPTION ANTIFERTILITY TO WHITE MICE (Rattus norvegicus)." Indonesian Journal of Chemistry 8, no. 2 (2010): 264–70. http://dx.doi.org/10.22146/ijc.21632.

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The aim of this research is to know about if the guava (Psidium guajava L.) leaf methanol extract on 10.5 mg/mL and 21.0 mg/mL dossages indicate a positive test as contraception antifertility to white mice (Rattus norvegicus). The sample is guava leaf from Mungkid, Magelang Central of Java Indonesia. The animals experiment are the white mice on 140-300 g for female, 200-250 g for male and about 3 months of age in average. The steps of this research are : (1) preparing sample, i.e. washing, drying on to indirect sunlight and make the sample into powder, (2) isolation the guava leaf powder in so
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Maneechai, Suthira, Thawanrat Siphim, Nattaya Srisawad, and Waraporn Sutthisa. "Chemical Composition and Antifungal Properties of Guava Leaf Extract (Psidium guajava L.) Against Pythium aphanidermatum, Chinese Kale Damping-Off Disease Pathogen." Trends in Sciences 21, no. 9 (2024): 8134. http://dx.doi.org/10.48048/tis.2024.8134.

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Damping-off disease represents a considerable hazard to the cultivation of Chinese kale (Brassica oleracea var. alboglabra), leading to seedling death and notable economic repercussions. This study explores the efficacy of guava leaf extracts, obtained through different extraction solvents, against Pythium aphanidermatum, a significant pathogen causing damping-off disease in Chinese kale (Pak Kha-naa) cultivation in Thailand. Guava leaf extract was obtained using different solvents: hexane, ethyl acetate and ethanol. Subsequently, the extract was diluted to concentrations of 1,000, 1,500 and 3
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Salah, M. El-Sayed, and M. Said Saadiya. "Antioxidant and Insecticidal Effect of Some Plant Extracts against Callosbruchus maculates (coleoptera: Bruchidae)." Chemistry Research Journal 2, no. 3 (2017): 133–43. https://doi.org/10.5281/zenodo.13955288.

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The aim of the study was to test the effect of methanolic guava leaf and pomegranate peel extracts as antioxidant and insecticide. In the Gas Chromatography and Mass spectroscopy analysis, 30 bioactive phytochemical compounds were identified in the methanolic extract of guava leaf and 23 bioactive phytochemical compounds were identified, in the methanolic extract of pomegranate peel. The fraction for guava leaf methanol extract was characterized by large amounts of caryophyllene , β- humulene and longifolene, which constituted 16.42% , 15.74% and 12.13%  respectively , while the frac
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Lusiana, Nova, Risa Purnamasari, Indah Kurnia Sari, Jihan Farhah Huwaidah, and Eva Agustina. "Test The Potency Of Guava Leaf And Banyan Leaf Extract On Increasing Hemoglobin In Mice." Proceedings of International Conference on Halal Food and Health Nutrition 1, no. 1 (2023): 115–18. http://dx.doi.org/10.29080/ichafohn.v1i1.1117.

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Guava leaf plants (Psidium guajava) and banyan leaf plants (Ficus benjamina) contain compounds that include polyphenols, flavonoids, carotene, tannins, and iron which have the potential to increase hemoglobin levels and prevent anemia. Research has been carried out with the aim of observing the effect of banyan leaf extract and guava leaf extract on hemoglobin levels in the blood of mice. The administration of banyan leaf extract and guava leaf extract was carried out for 14 consecutive days in mice with the same dose of 300 mg/kg/day. The results showed that banyan leaf extract could increase
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Fitria Firdhausi, Nirmala, Nova Lusiana, Risa Purnamasari, et al. "The Effect of Guava Leaf Extract (Psidium guajava) and Banyan Leaf (Ficus benjamina) on Glucose Levels in Mice (Mus musculus)." Proceedings of International Conference on Halal Food and Health Nutrition 1, no. 1 (2022): 28–31. http://dx.doi.org/10.29080/ichafohn.v1i1.1003.

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Guava leaves (Psidium guajava) and banyan leaves (Ficus benjamina) both contain tannins, flavonoids, carotene and iron. This study was conducted with the aim of knowing the effect of guava leaf extract and banyan leaf on glucose levels in the blood of mice. The study was conducted with an experimental method using Easy touch completely randomized with). Guava leaf extract and banyan leaf extract were administered for 14 consecutive days to mice at a dose of 300 mg/kg/day. The results showed that guava leaf and banyan leaf extract increased glucose levels in the blood of mice. guava leaf extrac
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Nurfitriyana, Nurfitriyana, Rini Yanuarti, and Indri Dyah Pangesti. "FORMULASI, EVALUASI DAN UJI ANTIBAKTERI SEDIAAN GEL EKSTRAK ETANOL DUAN JAMBU BIJI (Psidium guajava L.) SEBAGAI ANTI JERAWAT." ISTA Online Technologi Journal 2, no. 2 (2021): 50–59. http://dx.doi.org/10.62702/ion.v2i2.48.

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Acne is skin problems that can be overcome by using herbal plants, one of which is guava leaves. Guava leaves (Psidium guajava L.) contains tannins, saponins, polyphenols and flavonoids that can inhibit the growth of acne-causing bacteria. This study aims to formulate guava leaf extract (Psidium guajava L.) and evaluate the results of antibacterial tests on gel preparations as anti-acne. The ethanol extract was extracted and formulated using Na-CMC. Evaluation of the antibacterial activity of guava leaf extracts and preparations using Staphylococcus aureus and Eschericia coli bacteria. The res
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Maysarah, Hilda, Rika Apriani, and Misrahanum Misrahanum. "ANTIBACTERIAL ACTIVITY TEST OF ETHANOL EXTRACT OF WHITE AND RED FLESH FROM GUAVA LEAF ( Psidium guajava. L) AGAINTS Staphylococcus aureus AND Escherichia coli." Jurnal Natural 16, no. 1 (2016): 51–56. http://dx.doi.org/10.24815/jn.v16i1.4818.

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An antibacterial activity test of ethanol extract of white and red flesh from guava leaf (Psidium guajava. L) against S.aureus and E.coli; using agar diffusion method was carried out in order to produce the extract. The extract was collected using maceration method. The concentration of extract was 7,8125; 6,1035; 5,00; 4,8828; 4,3944; and 3,90625 mg/mL. The results showed that both of extracts had antibacterial activities. Ethanol extract of white flesh of fruit guava leaf had (Minimum Inhibitory Concentration) MIC value at 5.000 mg/mL against S.aureus and 4.8828 mg/mL against E.coli. Whereas
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Luo, You, Haiqing Liu, Shanzhong Yang, Jiarui Zeng, and Zhenqiang Wu. "Sodium Alginate-Based Green Packaging Films Functionalized by Guava Leaf Extracts and Their Bioactivities." Materials 12, no. 18 (2019): 2923. http://dx.doi.org/10.3390/ma12182923.

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The aim of this work was to develop green and bioactive films with sodium alginate incorporating guava leaf extracts. Seven formulations were performed with a different sodium alginate: Guava leaf water extract (WE)/ethanolic extract (EE) proportions (100:0, 90:10, 85:15, 80:20), and glycerol were used as a plasticizer. The HPLC-PDA analysis showed the main phenolic compounds in WE were gallic acid, ellagic acid, quercetin-3-O-β-D-xylopyranoside, avicularin and quercetin. The main polyphenols in EE were rutin, isoquercitrin, quercetin-3-O-β-D-xylopyranoside, avicularin, quercitrin, quercetin a
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Pangestu, Andre, Khaira Nova, Dian Septinova, and RR Riyanti. "PENGARUH PENGGUNAAN EKSTRAK DAUN JAMBU BIJI (Psidium guajava L.) TERHADAP MORTALITAS EMBRIO, DAYA TETAS, DAN SALEABLE ITIK HIBRIDA." Jurnal Riset dan Inovasi Peternakan (Journal of Research and Innovation of Animals) 5, no. 2 (2021): 88–93. http://dx.doi.org/10.23960/jrip.2021.5.2.88-93.

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This study aimed to determine the effect of immersion of hybrid duck eggs using guava leaf extract at different concentrations on embryo mortality, hatchability, and saleable duck. The research was conducted in March - April 2020. Guava leaf extract was made at the Animal Production and Reproduction Laboratory, Department of Animal Husbandry, Faculty of Agriculture, University of Lampung. The dyeing and hatching treatments were carried out in Hajimena Village, Natar District, South Lampung. This study used a completely randomized design (CRD) with four treatments, namely without immersing guav
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Haris, Fahni. "Jumlah Bakteri pada Luka Diabetik Kronik yang Dicuci Menggunakan Ekstrak Air Daun Jambu Biji (Psidium Guava)." Jurnal Ners dan Kebidanan Indonesia 5, no. 2 (2017): 106. http://dx.doi.org/10.21927/jnki.2017.5(2).106-114.

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<em>Various solutions have been recommended for cleanse the wound, however normal saline is favored. Aqueous guava leaf extracts have material that known for antibacterial in the diabetic wound care especially for cleansing. Guava leaf available in Indonesia, but there is unresolved debate about its use. This study use quasi-experimental with pre-test post-test design. Sample in this study consist 19 outpatients who had diabetic chronic wounds care in clinic Kitamura, Pontianak. Analysis of quantitative data was tested with non-parametric analysis, Wilcoxon test and Mann Whitney test to
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Dissertations / Theses on the topic "Guava Leaf Extract"

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Chang, Chia-Ting, and 張嘉婷. "Hypoglycemic Efficacy of Guava Leaf Extract." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/16212735523828387631.

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碩士<br>亞洲大學<br>保健營養生技學系碩士班<br>98<br>Abstract Compendium of Materia Medica indicated that guava leaves may be used for treating subjects with diabetic conditions. Due to subtropical climate conditions, guava tree can be cultivated in large quantity throughout the year in Taiwan. We cooperated with guava framers and the farmer’s union at Shetou(社頭) District of Chunghwa County to study the blood glucose lowering potential of guava leaf by examining if guava leaf extract can inhibit protein tyrosine phosphatase-1B enzymatic activity. Guava leaf was extracted with methanol extensively, and the extr
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Chou, Hsuan-Ying, and 周玄盈. "Reductive degradation of carbon tetrachloride with guava leaf extract." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/11896633131950232897.

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碩士<br>國立中興大學<br>環境工程學系所<br>105<br>Chlorinated aliphatic hydrocarbons are common contaminants found in soil and groundwater. Carbon tetrachloride (CT), which has the highest carbon oxidation state, is prone to accept electrons and be dechlorinated. Polyphenols containing OH groups are rich in fruits (e.g., guava). Deprotonations of polyphenols when pH is greater than dissociation constant (pKa) of OH function group would cause electrons release. Therefore, polyphenols are regarded as natural antioxidants. This study attempted to extract polyphenols from guava leaves. Guava leaf extract (G
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Cheng, Yu-Ting, and 鄭宇廷. "Anti-angiogenic Potential of Guava Budding Leaf Aqueous Extract in Prostate Cancer Cells." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/45830416817489970452.

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碩士<br>弘光科技大學<br>生物科技研究所<br>97<br>Angiogenesis, the generation of new capillaries through a process of pre-existing microvessel sprouting, is under stringent control and normally occurs only during embryonic and post-embryonic development, reproductive cycle, and wound repair. Usually, an imbalance of the growth factors is involved in this process, resulting in the acceleration of several diseases including malignant, ocular, and inflammatory diseases. Moreover, angiogenesis has been considered to be involved ass an important step in cancer progression. The discovery of key molecular modulators
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KU, HUI-HSUAN, and 古慧萱. "Hypoglycemia Effect of Containing Guava Leaf Extract Drink in STZ Induced Diabetic Rats." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/fw9ezw.

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碩士<br>實踐大學<br>食品營養與保健生技學系碩士班<br>106<br>The International Diabetes Federation pointed out that in recent years, the number of people suffering from diabetes worldwide has increased year by year due to aging or long-term abnormal diet such as high-sugar and high-fat diet. Guava leaf extract (GLE) has been indicated the ability of anti-hyperglycemic and anti-hyperlipidemic, probably due to its phenolic content. The purpose of this study is to investigate the effect of hypoglycemia activities of drink containing GLE on high fat high fructose diet rats which is intraperitoneally injected by Strep
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Yu, Shiou-Cherng, and 余修誠. "Phytochemical Characterics and its Effect on Protein Tyrosine Phosphatase 1B of Guava Leaf Extract." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/93g5c9.

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碩士<br>亞洲大學<br>保健營養生技學系<br>105<br>The hypoglycemic potency of guava leaf extract has been reported repeatedly by many research groups. This research was carried out with a focus on purifying the hypoglycemic compounds that reside in the aqueous partition of guava leaf extract, since our laboratory has identified the aqueous partition possesses the most potent hypoglycemic properties in in vivo. The chemical properties, phenol/flavonoid contents and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging ability, of those partitions were similar to other reports. The aqueous partition has the
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Chang, Yu-Shan, and 張毓珊. "The Bioactive Constituents of Aqueous Guava Budding Leaf Extract and Their Apoptotic Mechanism on DU145 Prostate Cancer Cells." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/76013517176457390412.

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Juan, Hung-Ju, and 阮泓儒. "Effect of Drying Temperature, Duration and Genotype on Antioxidant Capacity and alpha-Amylase Inhibitory Activities of Guava Leaf Extract." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/zp6rgc.

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碩士<br>國立屏東科技大學<br>農園生產系所<br>106<br>Guava is one of the important economic fruit trees in Taiwan. In addition to its fruits, its leaves are rich in antioxidant components and have the potential for the prevention of degenerative diseases. The aim of the present study was to understand the effects of drying temperature and duration on the total phenolic content and antioxidant capacity of guava leaves at young and mature stages. The variations of total phenolic content, antioxidant capacity and α-amylase inhibitory rate among genotypes were also investigated. In total, 36 genotypes were evaluate
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Huang, Lian-Guang, and 黃連光. "Immunomodulatory and adjuvant activities of polysaccharide extract from the leaf of Morinda citrifolia L. (Noni) and Psidium guajava L. (Guava)." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/72181125416385790049.

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碩士<br>國立高雄大學<br>生物科技研究所<br>99<br>In recent years, plant polysaccharides are considered to be an effective and low toxicity of biological response modifiers. Currently, A variety of plant polysaccharides have been used in the development of adjuvant. In this study, the extractions of plant polysaccharides were extracted with water, boiling, hot ethanol from the leaves of guava and noni. By the phenol sulfuric acid method for quantification of total sugar, and then evaluated for its toxicity with MTT assay. Finally, using different polysaccharide extracts with OVA as antigen assess immunemodulat
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Pan, Yun-Chieh, and 潘筠捷. "Effect of guava leaf extracts on alcohol-injured rat liver cells." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/23279259133767479211.

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碩士<br>國立屏東科技大學<br>食品科學系所<br>98<br>Guava (Psidium guajava L.) is a tropical fruit, which belongs to the family Myrtaceae, widely consumed fresh and also processed (beverages, syrup, jams, and ice cream), it is one of the most important economic fruit in Taiwan. Leaves and fruits of guava have been reported to have anti-diarrheal, hypoglycemic, lipid lowering, antibacterial, antioxidant activities. The sample of this study was guava leaf used different solvents extraction, the cytotoxicity of clone 9 liver cells and the hepatoprotective properties of liver injuries induced by alcohol was investi
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Wu, Ning-Jung, and 吳寧容. "Hypoglycemic effect of guava (Psidium guajava Linn.) leaf extracts in streptozotocin-nicotinamide induced type 2 diabetic rats." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/48242811810693100226.

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碩士<br>國立臺灣大學<br>食品科技研究所<br>95<br>Diabetes mellitus (DM) is one of the major diseases that human being eagerly wants to overcome. In 2006, DM was the fourth of top ten causes of death in Taiwan and more than 95% are type 2 DM. Guava (Psidium guajava Linn.) is one of the most important economic fruit in Taiwan. Leaves and fruit of guava are believed to have hypoglycemic effects which have been popularly employed in traditional DM treatment in Taiwan. However, there is insufficient scientific evidence for guava to cure DM, especially type 2 DM. In the present study, we injected low-dose streptozo
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Book chapters on the topic "Guava Leaf Extract"

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Otokunefor, Kome, Ifeoma Jacinta Okutalukwe, Edmond Osi Uguomore, and Oghenerukevwe Apuke. "Antibacterial Activity of Ethanol Extracts of Psidium guajava (Guava) and Ocimum gratissmum (Scent Leaf) on Wound Isolates." In Triple Helix Nigeria SciBiz Annual Conference 2024. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-81619-2_22.

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Conference papers on the topic "Guava Leaf Extract"

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Waresindo, William Xaveriano, Halida Rahmi Luthfianti, Dian Ahmad Hapidin, et al. "The effect of freeze-thaw cycle on the physical properties of PVA/Guava leaf extract hydrogel." In THE 4TH MATERIALS RESEARCH SOCIETY OF INDONESIA (MRS-ID) MEETING. AIP Publishing, 2025. https://doi.org/10.1063/5.0242514.

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Utomo, Wahyu Budi, Barlian Hasan, Fajriyati Mas’ud, Dheby Rhivana, and Syalwa Shada Masyura. "The use of guava (Psidium Guajava) leaf extract as a corrosion inhibitor for iron in acid media." In THE 1ST INTERNATIONAL MULTIDISCIPLINARY CONFERENCE OF APPLIED SCIENCES: Applied Sciences for Sustainable Earth, Environment and Management. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0221147.

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