Production of Natural Bamboo Fiber—2: Assessment and Comparison of Antibacterial Activity

2019 ◽  
Vol 6 (5) ◽  
pp. 1-9 ◽  
Author(s):  
Bahrum Prang Rocky ◽  
Amanda J. Thompson
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Bacterial Growth ◽  
Bamboo Fiber ◽  
Natural Form ◽  
Mild Conditions ◽  
Bamboo Fibers ◽  
Growth Promoting ◽  
Bamboo Plant ◽  
Natural Bamboo Fiber

Since fibers are strongly bonded in bamboo, extraction of fibers in their natural form is very difficult. This difficulty has favored viscose processing of bamboo. This study covers routes to produce spinnable natural bamboo fibers through eco-friendly processes, while retaining antibacterial and other innate properties. Natural bamboo fibers treated under mild conditions showed better antibacterial activity against Staphylococcus aureus than the raw red margin bamboo plant (Phyllostachys rubromarginata). Bamboo contains compounds that promote bacterial growth, as well as others that are antibacterial. If bacterial growth promoting soluble compounds are removed, antibacterial activity increases in natural bamboo fibers. Some antibacterial activity may even remain in viscose fiber made from bamboo. This study provides information on antibacterial activity in red margin bamboo, natural bamboo fibers, and commercial bamboo viscose.

scholarly journals PENGARUH MINYAK ATSIRI DAUN JERUK PURUT (Citrus hystrix) TERHADAP DINDING SEL BAKTERI Staphylococcus aureus

2021 ◽  
Vol 20 (1) ◽  
pp. 23-29
Author(s):  
Opstaria Saptarini ◽  
Ismi Rahmawati
Keyword(s):  
Staphylococcus Aureus ◽  
Refractive Index ◽  
Antibacterial Activity ◽  
Essential Oil ◽  
Specific Gravity ◽  
Essential Oils ◽  
Bacterial Growth ◽  
Liquid Form ◽  
Leaf Essential Oil ◽  
Light Yellow Color

Kaffir lime leaves essential oil has activity to inhibit bacterial growth. The mechanism of the inhibition is thought to be located in thebacterial cell wall. This study aimed to determine the antibacterial work location of kaffir lime leaf essential oil against Staphylococcus aureus ATCC 25923. Kaffir lime leaves were distilled by steam distillation, essential oils obtained were identified by organoleptic quality, evaporation, solubility in alcohol, refractive index and specific gravity. The results were compared under with the literature. The results of essential oils were made with various concentrations of 100, 50, 25, 12.5, 6.25, 3.13, 1.56, 0.73, 0.39, and 0.20%. The results of the concentration series were tested for antibacterial activity with the macrodilution method followed by the determination for the location of bacterial growth inhibition using the Scanning Electron Microscope (SEM). The yield of kaffir lime leaf essential oil was 0.82%. The observation of organoleptic essential oil has a light yellow color, the distinctive odor of kaffir lime, a liquid form, and distinctive lime taste. Refractive index examination resulted 1.454; specific gravity 0.8317, and soluble in 70% ethanol with a ratio of 1:1. The Minimum BactericidalConcentration (MBC) obtained from the antibacterial activity test was 6.25%. Kaffir lime leaves essential oil mechanism occurred in the cell walls and cell membranes of Staphylococcus aureus. 

Isolation of Plant Growth Promoting Bacteria from the Rhizosphere of Different Plants and Assessment of Their Plant Growth Promotion Potential

2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Anam Yousaf ◽  
Hassan Ahmed Khan ◽  
Tayyaba Younas
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Acetic Acid ◽  
Plant Growth ◽  
Indole Acetic Acid ◽  
Phosphate Solubilization ◽  
Growth Promotion ◽  
Plant Growth Promoting Bacteria ◽  
Growth Promoting

Plant are benefitted in different aspects by symbiotic bacteria. Environmental conditions, Plantconditions and type of pathogens determine these important services for plants Objective: Theresearch was conducted to assess the plant growth enhancing effects of wheat and cabbagerhizobacteria on the growth of wheat plant Methods: For this purpose, total 49 bacteria were isolatedand characterized from the rhizosphere of wheat and cabbage plants. The isolates were assessed forplant growth promoting properties such as: indole acetic acid production, phosphate solubilization,antibacterial activity and heavy metal resistance. Indole acetic acid was found to be produced by 7isolates and phosphate solubilization was shown by 20 isolates. Antibacterial activity was determinedagainst four clinical isolates like Staphylococcus aureus, Klebsiella sp., Escherichia coli and Pseudomonasaeruginosa Results: Antibacterial activity against Staphylococcus aureus was shown by 38 isolates, 12isolates showed antibacterial activity against Escherichia coli and Klebsiella sp., whereas no isolate wasfound to be positive against Pseudomonas aeruginosa. Another plant growth enhancing trait (heavymetal resistance) was shown by 28 rhizobacteria. In order to evaluate the capability of isolates toenhance the plant growth, bio-inoculation assay was performed using wheat seeds Conclusions:Rhizobacterial inoculation increased the number of roots, shoots, leaves and roots and shoot length ofwheat plantlets as compared to un-inoculated control.

Research and Utilization Status of Natural Bamboo Fiber

2010 ◽  
Vol 159 ◽  
pp. 236-241 ◽  
Author(s):  
He Li ◽  
Guo Ying Zhou ◽  
Huai Yun Zhang
Keyword(s):  
Antibacterial Activity ◽  
Chemical Composition ◽  
Water Absorption ◽  
Fiber Material ◽  
Bamboo Fiber ◽  
Longitudinal Strength ◽  
Development And Utilization ◽  
Natural Bamboo Fiber ◽  
Moisture Liberation ◽  
Type Fiber

The natural bamboo fiber is a green environmental protection type fiber material extracted from bamboo. Compared with other fibers, it has better permeability, unique resilience, transient water absorption, antibacterial activity, deodorant activity, and a strong lateral and longitudinal strength. This paper reviews the structure of natural bamboo fiber and its characteristics, physical morphology, chemical composition, hygroscopicity and moisture liberation, antibacterial activity, anti-ultraviolet function, spinning performance of the development and utilization status of bamboo fiber, which provides reference for the research and utilization of natural bamboo fiber.

The Study on the Basic Structure and the Mechanical Properties of Natural Bamboo Fiber

2011 ◽  
Vol 175-176 ◽  
pp. 303-307
Author(s):  
Li Zhen Tao ◽  
Yao Xing Jiang
Keyword(s):  
Linear Density ◽  
Length Distribution ◽  
High Strength ◽  
Longitudinal Direction ◽  
Basic Structure ◽  
Bamboo Fiber ◽  
Ramie Fiber ◽  
Bamboo Plant ◽  
Natural Bamboo Fiber ◽  
Crystallization Degree

The natural bamboo fiber is a new kind of textile material. It is made from bamboo plant in physical ways. We studied the basic microstructure of natural bamboo fiber with the scanning electron microscope. The features of fiber length, the linear density and mechanical property were also analyzed. The degrees of crystallization and orientation were tested by diffractometer as well. The results showed that there were a lot of recesses and strips in the longitudinal direction, while the cross-section of the fiber was the shape of polygon with lumen in it. The length distribution arranged from 1.5mm to 215mm, the linear density was about 5.8dtex. The crystallization degree of the natural bamboo fiber was similar to the ramie fiber. In standard state, the breaking strength of the bamboo fiber was 6.71 cN/dtex, and the breaking elongation was about 3.48%, so the natural bamboo fiber was a kind of fiber with high strength and low extension. In hygrometric state, the tenacity and the elongation were both become larger.

scholarly journals POTENSI EKSTRAK DAUN KEMANGI (Ocimum sanctum L.) SEBAGAI ANTIBAKTERI TERHADAP Staphylococcus aureus ATCC 25923

2020 ◽  
Vol 15 (3) ◽  
pp. 522-525
Author(s):  
Nur'Aini Purnamaningsih ◽  
Francisca Romana Sri Supadmi
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Bacterial Growth ◽  
Leaf Extract ◽  
Diffusion Method ◽  
Ocimum Sanctum ◽  
Active Ingredients ◽  
Antibacterial Compounds ◽  
Activity Test ◽  
Antibacterial Potential

Antibacterial compounds are compounds that can inhibit bacterial growth. The components contained in the basil leaf extract have the potential to be developed as a source of antibacterial active ingredients. Basil leaves are a plant that has antibacterial potential. This study aims to test the antibacterial activity of the basil leaf extract (Ocimum sanctum L.) with various concentrations of 20%, 40%, 60%, 80%, and 100% against Staphylococcus aureus ATCC 25923. Antibacterial activity test using the well diffusion method. The results showed that basil leaf extract (Ocimum sanctum L.) concentrations of 20%, 40%, 60%, 80%, and 100% could inhibit the growth of Staphylococcus aureus ATCC 25923. The concentration of basil leaf extract was 100% effective as an antibacterial against Staphylococcus aureus bacteria. ATCC 25923 of 12.60 mm.

scholarly journals Aktivitas antibakteri metabolit sekunder lalat rumah Musca domestica terhadap Staphylococcus aureus ATCC 25923

2020 ◽  
Vol 20 (3) ◽  
Author(s):  
Sang Sanggita Surya ◽  
Farida Juliantina Rachmawaty
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Secondary Metabolites ◽  
Musca Domestica ◽  
Bacterial Growth ◽  
Antibacterial Activities ◽  
Research Use ◽  
House Flies ◽  
Experimental Laboratory

Abstrak. Lalat merupakan serangga yang dapat membawa berbagai bakteri, salah satunya Staphylococcus aureus. Bakteri tersebut dapat menyebabkan penyakit pada manusia. Hadits Nabi Muhammad s.a.w disebutkan bahwa lalat memiliki penyakit pada satu sisi sayapnya dan penawar pada sisi sayap yang lain. Hasil penelitian ini diharapkan dapat mengetahui gambaran hadits tersebut dan peran metabolit sekunder lalat rumah terhadap pertumbuhan Staphylococcus aureus. Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri metabolit sekunder lalat rumah terhadap Staphylococcus aureus serta mengetahui konsentrasi bakteri yang dapat dihambat oleh metabolit sekunder tersebut. Metode penelitian yang digunakan adalah eksperimental laboratorium dengan menguji aktivitas antibakteri metabolit sekunder lalat rumah yang diambil pada menit ke-20 terhadap Staphylococcus aureus yang terbagi menjadi 6 konsentrasi yaitu 101 CFU/ml hingga 106 CFU/ml. Hasil dianalisis secara deskriptif dengan membandingkan pertumbuhan bakteri pada uji metabolit sekunder dengan kontrol. Hasil pengujian didapatkan terdapat hambatan pertumbuhan Staphylococcus aureus pada uji metabolit sekunder lalat rumah dibandingkan dengan kontrol. Konsentrasi yang dapat dihambat sepenuhnya adalah 101 CFU/ml, sedangkan konsentrasi 102 CFU/ml hingga 106 CFU/ml dihambat sebagian. Namun hasil yang diperoleh belum konsisten. Metabolit sekunder lalat rumah memiliki aktivitas antibakteri terhadap Staphylococcus aureus yaitu ditunjukkan oleh hambatan pertumbuhan bakteri pada semua konsentrasi yang diuji Kata Kunci: Aktivitas Antibakteri, Metabolit           Sekunder, Musca   domestica, Staphylococcus aureus Abstract. Flies are insects carry a variety of bacteria, one of it is Staphylococcus aureus. This bacterium cause disease in humans. However, in the hadith of the Prophet Muhammad s.a.w, mentioned that a fly carries a disease on one side of its wings and an antidote on the other side. Therefore, the results of this study are expected to be able to explain the relation with the meaning of the hadith of the Prophet Muhammad s.a.w. and to show the role of secondary metabolites of houseflies on the growth of Staphylococcus aureus. This research is to determine the antibacterial activities of the housefly’s secondary metabolites towards Staphylococcus aureus and the concentration of bacteria that can be inhibited by these secondary metabolites. This research use experimental laboratory which tested the antibacterial activities of the housefly’s secondary metabolites taken in the 20th minute towards Staphylococcus aureus, was divided into six concentrations of 101 CFU/ml to 106 CFU/ml compared with controls. The results were analyzed descriptively by comparing bacterial growth in secondary metabolites test with bacterial growth in control. This research found there is Staphylococcus aureus growth inhibition in the test given secondary metabolites of house flies compared with controls. Concentrations of bacteria that can be inhibited entirely are 101 CFU/ml, while those that can be partially inhibited are at concentrations of 102 CFU/ml to 106 CFU/ml. But the results obtained have not consistent. Secondary metabolites of house flies have antibacterial activity towards Staphylococcus aureus. This is indicated by the inhibition of bacterial growth at all concentrations tested.Keywords: Antibacterial activity, secondary metabolites, Musca domestica, Staphylococcus aureus

scholarly journals A STUDY ON ANTIBACTERIAL ACTIVITY AND EXTENSION OF SHELF LIFE OF FRESH COW URINE

2021 ◽  
Vol 9 (07) ◽  
pp. 593-599
Author(s):  
Pallavi Sharma ◽  
◽  
Tushar Balichwal ◽  
Kunj Bihari Malav ◽  
◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Shelf Life ◽  
Bacterial Growth ◽  
Gram Negative Bacteria ◽  
Inhibitory Effects ◽  
Gram Negative ◽  
Cow Urine ◽  
Ancient Times

Cow urine has been used as medicine since ancient times andthe ancient scriptures of Ayurveda consider cow urine to be the elixir of life. The present study analyzes the inhibitory effects of fresh cow urine at different pH (8.2,4.4,3.8) at the intervals of 5,10, 20,30 days and antibacterial activity of cow urine at different pH was analyzed against the Escherichia coli , Staphylococcus aureus and Klebsiella sp. It was found that no bacterial growth was present in fresh cow urine at pH 3.8 after 30 days. Shelf life of cow urine could be extended after lowering the pHwhich also makes it palatable as it becomes odourless. Maximum antibacterial activity was also observed in fresh cow urine sample at pH 3.8 against gram positive and gram-negative bacteria Escherichia coli (24mm ± 2.0), Staphylococcus aureus (22mm ± 2.0) and Klebsiella sp (22mm ± 1.0).Fresh cow urine at pH 3.8 was found to be more active and exhibited better antibacterial activity.It can be used in the control of bacteria.

Antibacterial Activity of Desert Truffles from Saudi Arabia Against Staphylococcus aureus and Pseudomonas aeruginosa

2017 ◽  
Vol 19 (2) ◽  
pp. 121-125 ◽  
Author(s):  
Domenico Schillaci ◽  
Maria Grazia Cusimano ◽  
Stella Maria Cascioferro ◽  
Vita Di Stefano ◽  
Vincenzo Arizza ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Saudi Arabia ◽  
Desert Truffles
Sign in / Sign up

Export Citation Format

Share Document