scholarly journals The Potential of Guava Leaf Extract as A Natural Preservation for Fish

2020 ◽  
Vol 2 (1) ◽  
pp. 62-69
Author(s):  
Riyanto
Keyword(s):  
Leaf Extract ◽  
Methanolic Extract ◽  
Psidium Guajava ◽  
Control Treatment ◽  
Fish Quality ◽  
High Protein Content ◽  
Fish Samples ◽  
Guava Leaves ◽  
Guava Leaf ◽  
Good Medium

Fish is kinds of food that easy to spoil. High protein content in fish makes the food is a good medium for microorganisms. People commonly buy fish for consumption, however, not all fish are consumed at the same time. Fishes were stored in freezer for several days or preserved with additional chemical preservation. The use of organic preservatives have no harm. This paper discussed guava (Psidium guajava L) leave as natural fish preservation. The objectives were to analyze the potency of the leaves as a natural preservation for mackerel fish (Rastrelliger sp.). Fime parameters used to determine the fish quality as follows : gills, eye, texture, odour and mucilage. The treatments were leaf methanolic extract with doses 0, 20, 40, 60 and 80%. Data were taken on from 1 to 5 days after storage. The results showed that (i) Fish quality was decline and start to depraved at 2 day storage, especially at control treatment (0% extract). Treatment at doses 60 and 80%, the fish quality were still relatively good over 3 days storage. Even though the fish samples have been starting spoilage, those fishes were still available to be consumed. At the same time, with the other treatment, the fish samples have been spoiled and no more available to be consumed. However, at 5th day of storage, all samples at all treatments were spoiled. Overall results, it can be concluded that extract of guava leaves can be has as fish preservativedosage

scholarly journals Preliminary Phitochemical Analysis Of Guava Leaves (Psidium guajava L.) Extract As Antidiarrheal In Calves

2019 ◽  
Vol 3 (2) ◽  
pp. 21
Author(s):  
I Wayan Sudira ◽  
I Made Merdana ◽  
Suci Nur Qurani
Keyword(s):  
Leaf Extract ◽  
Ethanol Extract ◽  
Psidium Guajava ◽  
Phytochemical Analysis ◽  
Pharmacological Effects ◽  
The West ◽  
Active Compounds ◽  
Central Java ◽  
Guava Leaves ◽  
Guava Leaf

Guava plants (Psidium guajava L) are fruit plants originating from South America and can thrive in the territory of Indonesia. Now the biggest center for guava cultivation is spread in DKI Jakarta, West Java, Central Java, East Java, Yogyakarta, Bali, West Nusa Tenggara, Sumatra and Kalimantan. In addition to taking the fruit, guava leaves are also used as a traditional medicine for the treatment of diarrhea in human and animals. This study aims to identify active compounds in guava leaves. That is a secondary  metabolites with pharmacological effects as anti diarrhea such as flavonoid, alkaloid, tannins and essential oils. The leaves sample used in this study were taken from farmers in the West Denpasar area, Bali. Extraction of guava leaf leaves using 96% ethanol, and phytochemical analysis was carried out to detect the presence of active compounds. The data obtained is presented and analyzed descriptively qualitatively. The results showed that the ethanol extract of guava leaves contained active compound inclaude steroid/triterpenoid, phenolics, alkaloids, flavonoids, saponins and tannins. It can be concluded that guava leaf extract contains are potential antidiarrheal

scholarly journals PENGARUH PENGGUNAAN EKSTRAK DAUN JAMBU BIJI (Psidium guajava L.) TERHADAP MORTALITAS EMBRIO, DAYA TETAS, DAN SALEABLE ITIK HIBRIDA

2021 ◽  
Vol 5 (2) ◽  
pp. 88-93
Author(s):  
Andre Pangestu ◽  
Khaira Nova ◽  
Dian Septinova ◽  
RR Riyanti
Keyword(s):  
Leaf Extract ◽  
Animal Husbandry ◽  
Psidium Guajava ◽  
Animal Production ◽  
Embryonic Mortality ◽  
Embryo Mortality ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Guava Leaves ◽  
Guava Leaf

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 guava leaf extract (P0), immersing with guava leaf extract concentrations of 10% (P1), 20% (P2), and 30% (P3). The results showed that the percentage of embryo mortality without dyeing and immersing guava leaf extract concentrations of 10, 20, and 30% were 40.00%, 24.00%, 16.00%, and 28.00%, respectively. Hatchability of hybrid duck eggs in the treatment without immersion and immersion in guava leaf extract concentrations of 10, 20, and 30% were 60.00, 76.00, 84.00, and 72%, respectively. Saleable duck duck eggs without immersion 93.34% and immersion in guava leaf extract with concentrations of 10, 20, and 30% respectively were 100.00%. It was concluded that immersion of hybrid duck eggs using guava leaf extract at concentrations of 10.00, 20.00, and 30.00% decreased the percentage of mortality, increased hatchability, and increased the salable duck. Keywords: Hybrid duck, Guava leaves extract, Embryonic mortality, Hatchability, Saleable duck

scholarly journals Psidium Guajava L. Extract Against Minimum Inhibitory Concentration of Staphylococcus Aureus

2021 ◽  
Vol 2 (3) ◽  
pp. 22-26
Author(s):  
Lounh Theo Phong ◽  
Nha Thoy Lum
Keyword(s):  
Staphylococcus Aureus ◽  
Bacterial Cell ◽  
Leaf Extract ◽  
Psidium Guajava ◽  
Negative Control ◽  
Essential Components ◽  
Bacterial Cell Membrane ◽  
Guava Leaves ◽  
Guava Leaf

The aim of this research was to evaluate the effects on the growth of Staphylococcus Aureus bacteria in vitro of antibacterial activity of guayava leaf extract (Psidium guajava L.) and guavava leaf extract impact on the growth of staphylococcus Aureus bacteria at different laboratory concentrations. In this experiment, S. Aureus bacteria are being treated to guava leaf extract to identify the lowest inhibitory power for well techniques, and the results have been recorded. The Guava leaf extract (Psidium Guajava L) against Staphylococcus aureus was found to have an inhibitory zone diameter of mm in the absence of tetracycline, and DMSO as a negative control. Findings were observed using the disk diffusion technique or paper disc with concentrations of 1 percent, 3 percent, 5 percent, and 7 percent. Saponins, saponins, alkaloids, and flavonoids found in guava leaves are responsible for their antibacterial effects. Saponins have the potential to disturb the integrity of bacterial cell membranes. This results in bacterial cell membrane destruction, releasing essential components from the cell

scholarly journals Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller)

2008 ◽  
Vol 50 (1) ◽  
pp. 11-15 ◽  
Author(s):  
Flávia A. Gonçalves ◽  
Manoel Andrade Neto ◽  
José N. S. Bezerra ◽  
Andrew Macrae ◽  
Oscarina Viana de Sousa ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Essential Oil ◽  
Antimicrobial Effect ◽  
Enteric Bacteria ◽  
Psidium Guajava ◽  
Salmonella Spp ◽  
Leaf Extracts ◽  
Xiphopenaeus Kroyeri ◽  
Guava Leaves ◽  
Guava Leaf

Guava leaf tea of Psidium guajava Linnaeus is commonly used as a medicine against gastroenteritis and child diarrhea by those who cannot afford or do not have access to antibiotics. This study screened the antimicrobial effect of essential oils and methanol, hexane, ethyl acetate extracts from guava leaves. The extracts were tested against diarrhea-causing bacteria: Staphylococcus aureus, Salmonella spp. and Escherichia coli. Strains that were screened included isolates from seabob shrimp, Xiphopenaeus kroyeri (Heller) and laboratory-type strains. Of the bacteria tested, Staphylococcus aureus strains were most inhibited by the extracts. The methanol extract showed greatest bacterial inhibition. No statistically significant differences were observed between the tested extract concentrations and their effect. The essential oil extract showed inhibitory activity against S. aureus and Salmonella spp. The strains isolated from the shrimp showed some resistance to commercially available antibiotics. These data support the use of guava leaf-made medicines in diarrhea cases where access to commercial antibiotics is restricted. In conclusion, guava leaf extracts and essential oil are very active against S. aureus, thus making up important potential sources of new antimicrobial compounds.

THE APPLICATION OF GUAJAVA LEAF EXTRACT (Psidium guajava Linnaeus) AS IMMUNOSTIMULANT OF COMMON CARP (Cyprinus carpio Linnaeus) INFECTED BY MOTILE AEROMONAS SEPTICEMIA

2021 ◽  
Vol 6 (2) ◽  
pp. 48-59
Author(s):  
Rissa Amelia ◽  
Esti Harpeni ◽  
Hilma Putri Fidyandini
Keyword(s):  
Common Carp ◽  
Cyprinus Carpio ◽  
Aeromonas Hydrophila ◽  
Leaf Extract ◽  
Psidium Guajava ◽  
Phagocytic Index ◽  
Leaf Extracts ◽  
Common Carp Cyprinus Carpio ◽  
Carp Cyprinus Carpio ◽  
Guava Leaf

This study aims to analyze the effect of the various concentration of guava leaf extract (Psidium guajava Linnaeus) on the prevention of Motile Aeromonas Septicemia disease in common carp (Cyprinus carpio Linnaeus). In a total of 150 common carp, length 9-11 cm with a density of 10 carps/aquarium. This study used a completely randomized design through 5 treatments, each treatment has 3 replications, namely (K+) consists of without guava Psidium guajava leaf extracts and without bacteria-infection Aeromonas hydrophila, (K-) consists of without guava Psidium guajava leaf extracts with bacteria-infection Aeromonas hydrophila, (A) the application of 125 ppm guava Psidium guajava leaf extracts, (B) the application of 250 ppm guava leaf extracts, (C) the application of 500 ppm guava Psidium guajava leaf extracts for 23 days. The parameters observed total of leukocytes, differensial leukocytes, hematocrit levels, erythrocyte, hemoglobin, phagocytic activity (AF), phagocytic index (IF), relative percent survival (RPS), survival rate (SR) and water quality. Data were analyzed with Anova 95% confidence interval and continued with Duncan test. The parameter also showed a significant result (P<0,05) with the application of guava Psidium guajava leaf extracts to the total leukocytes, differensial leukocytes, erythrocyte, hemoglobin, phagocytic activity, phagocytic index and relative percent survival. The results of this research indicate the concentration of 250 ppm guava Psidium guajava leaf extracts is the optimum application to increase common carp non-spesific immune responses.

scholarly journals UJI EFEK EKSTRAK ETANOL DAUN JAMBU BIJI (Psidium guajava L) TERHADAP KADAR KOLESTEROL TOTAL TIKUS WISTAR (Rattus norvegicus)

2013 ◽  
Vol 1 (1) ◽  
Author(s):  
Irianto Girik Allo ◽  
Pemsi Mona Wowor ◽  
Henoch Awaloei
Keyword(s):  
Total Cholesterol ◽  
Ethanol Extract ◽  
Negative Control Group ◽  
Psidium Guajava ◽  
Positive Control ◽  
Negative Control ◽  
Control Group ◽  
Cholesterol Levels ◽  
Guava Leaves ◽  
Guava Leaf

Abstract: This research aims to determine the effect of ethanol extract of guava leaves on levels of total cholesterol of rat that is induced propylthiouracil. This was an experimental research. The sample used was 15 rats were divided into 5 groups (1 group is consist of 3 rats), namely: 1) positive control, 2) extract dose of 200 mg/kgBB, 3) extract dose of 400 mg/kgBB, 4) extract dose of 800 mg/kgBB and 5) negative control. Group 1 to 4 are given propylthiouracil given for 14 days, then given treatment appropiate with the group. The result show that: 1) the average of total cholesterol levels increased after administration propylthiouracil from 156.34 mg/dL to 247.84 mg/dL, 2) at a dose of 200 mg/kgBB, 400 mg/kgBB and 800 mg/kgBB showed a decline in total cholesterol levels by 32.73%, 58.73% and 47.26%, 3) the positive control decreased total cholesterol levels by 39.46% and 4) total cholesterol levels on negative is unstable (there are up and some are down). The result of this research concluse that: guava leaf extract at dose of 200 mg/kgBB, 400 mg/kgBB and 800 mg kgBB have an effect in lowering total cholesterol of rat had been induced prophylthiouracil. Keywords: guava leaves, total cholesterol.     Abstrak: Penelitian ini bertujuan untuk mengetahui efek dari ekstrak etanol daun jambu biji terhadap kadar kolesterol total tikus wistar yang diinduksi propiltiourasil. Penelitian ini merupakan penelitian eksperimental. Sampel yang digunakan berjumlah 15 tikus wistar yang dibagi menjadi 5 kelompok (1 kelompok terdiri dari 3 tikus wistar), yaitu: 1) kontrol positif, 2) ekstrak dosis 200 mg/kgBB, 3) ekstrak dosis 400 mg/kgBB, 4) ekstrak dosis 800 mg/kgBB dan 5) kontrol negatif. Kelompok 1 sampai 4 diberikan propiltiourasil selama 14 hari, kemudian diberikan perlakuan sesuai kelompoknya. Hasil penelitian yang diperoleh: 1) rata-rata kadar kolesterol total meningkat setelah pemberian propiltiourasil yaitu dari 156,34 mg/dL menjadi 247,84 mg/dL, 2) pada dosis 200 mg/kgBB, 400 mg/kgBB dan 800 mg/kgBB menunjukkan terjadi penurunan kadar kolesterol total sebesar 32,73%, 58,73% dan 47,26%, 3) pada kontrol positif terjadi penurunan kadar kolesterol total sebesar 39,46% dan 4) kadar kolesterol total pada kelompok negatif tidak stabil (ada yang naik dan ada yang turun). Hasil penelitian ini menyimpulkan bahwa ekstrak daun jambu biji pada dosis 200 mg/kgBB, 400 mg/kgBB dan 800 mg/kgBB mempunyai efek dalam menurunkan kadar kolesterol total tikus wistar yang telah diinduksi propiltiourasil. Kata kunci: daun jambu biji, kadar kolesterol total.

scholarly journals Evaluation of Psidium Guajava (Guava) Leaf Extract Against Gram-Negative Bacteria in Planktonic and Biofilm Lifestyles

2014 ◽  
Vol 4 (24) ◽  
pp. 4370-4380
Author(s):  
C. Cruzada ◽  
K. Co ◽  
T. Chua ◽  
V. Chuabio ◽  
K. Cruz ◽  
...  
Keyword(s):  
Leaf Extract ◽  
Psidium Guajava ◽  
Gram Negative Bacteria ◽  
Gram Negative ◽  
Guava Leaf

scholarly journals A Study on Bioadsorption of Synthetic Dye Using Guava (Psidium guajava) Leaves

2020 ◽  
Vol 5 (9) ◽  
pp. 215-218
Author(s):  
Manasee Vichare ◽  
Prashant Masali
Keyword(s):  
Psidium Guajava ◽  
Water Bodies ◽  
Brilliant Blue ◽  
Tropical Region ◽  
Coomassie Brilliant Blue ◽  
Leaf Powder ◽  
Blue Solution ◽  
Guava Leaves ◽  
Guava Leaf ◽  
Coomassie Brilliant

Guava (Psidium guajava, white Indian) is common fruit bearing plant found throughout the Indian peninsula. It is said to be native to Mexico and Southern America and now can be found in many of the Asian countries. It is grown in tropical and sub-tropical region around the world. Guava leaves have shown many properties like antibacterial, bioadsorbent, etc. The bioadsorbent property can be exploited to remove coloured residues from water bodies. Problems like water pollution have arisen due to rapid industrialization and urbanization. Various harmful dyes like Coomassie brilliant blue, used in both textile industries and laboratories, are expelled into water bodies. To reduce the effects of such dye on ecology the research was carried out using guava leaves as bioadsorbent. That being the case the Coomassie brilliant blue solution at different pH was treated with guava leaf powder and the decrease in absorbance was noted at 625 nm. The Guava leaves were obtained from Mumbai suburban. The leaves were dried and powdered for further testing as bioadsorbent. All the chemicals have been used were of analytical grade. The study showed high absorption rate in acidic medium as the colour changed from dark blue to light blue. The optimum pH for bio-adsorption was found to be 3. As the amount of guava leaf powder increased, the rate of adsorption also increased. Guava leaf powder is effective as a bioadsorption as rate of adsorption increases with increase in guava leaf powder. With further optimization it can become potential source of adsorbent.

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