Covid-19 merupakan penyakit infeksi pernafasan yang dapat ditularkan melalui percikan batuk dan bersin. Msayarakat di sekitar kampus STIKes Bakti Tunas Husada masih terlihat belum terbiasa menggunakan masker pada saat keluar rumah. Demikian juga upaya preventif pada saat keluar rumah, dengan menyediakan handsanitizer belum tercapai dengan baik dikarenakan harganya semakin meningkat tajam. Tujuan dari pengabdian masayarakat ini adalah untuk memberdayakan masyarakat dalam penggunaan masker dan handsaitizer pada saat keluar rumah. Metode pangabdian yaitu berupa donasi masker dan handsanitizer serta pemaparan cara pemakaiannya secara lisan. Hasil yang diperoleh adalah 100 orang sasaran sudah mendapatkan handsanitizer dan 200 orang mendapatkan masker. Dengan demikian, masyarakat sekitar pada akhrinya dapat menggunakan masker dan perbekalan handsanitizer pada saat keluar rumah. Kata kunci: masker, handsanitizer, preventif, covid-19
<span class="fontstyle0">Makanan dapat menjadi tempat hidup dan berkembangbiak satu atau lebih jenis<br />mikroorganisme, karena mengandung nutrisi untuk pertumbuhan mikroorganisme. Mikroorganisme<br />tersebut dapat menyebabkan kerusakan pada makanan dan menimbulkan permasalaan kesehatan.<br />Mikroorganisme yang berperan dalam proses pembusukan makanan misalnya </span><span class="fontstyle0">Pseudomonas<br />aeruginosa </span><span class="fontstyle0">dan </span><span class="fontstyle0">Bacillus cereus</span><span class="fontstyle0">. Upaya menghambat pertumbuhan bakteri tersebut dapat<br />memanfaatkan bunga telang yang diketahui mengandung senyawa fitokimia seperti: alkaloid,<br />flavonoid, tannin, saponin, sebagai antibakteri terhadap pertumbuhan mikroorganisme dan serangga.<br />Penelitian ini bertujuan mengetahui daya hambat ekstrak etanol bunga telang (</span><span class="fontstyle0">Clitoria ternatea L</span><span class="fontstyle0">)<br />terhadap bakteri patogen perusak pangan yaitu </span><span class="fontstyle0">Pseudomonas aeruginosa </span><span class="fontstyle0">dan </span><span class="fontstyle0">Bacillus cereus. </span><span class="fontstyle0">Metode<br />yang digunakan pada penelitian ini adalah metode eksperimen. Ekstrak etanol bunga telang diekstraksi<br />dengan metode maserasi. Daya hambat bakteri diukur dari diameter zona hambat ekstrak etanol bunga<br />telang dengan metode difusi agar Kirby Bauer. Hasil penelitian menunjukan terdapat daya hambat<br />ekstrak etanol terhadap bakteri </span><span class="fontstyle0">Pseudomonas aeruginosa </span><span class="fontstyle0">pada konsentrasi 10% hingga 100%<br />sedangkan daya hambat terhadap bakteri </span><span class="fontstyle0">Bacillus cereus </span><span class="fontstyle0">terdapat pada konsentrasi 30% sampai 100%.<br />Hasil penelitian dapat disimpulkan bahwa konsentrasi hambat minimal (KHM) ekstrak etanol bunga<br />telang terhadap bakteri </span><span class="fontstyle0">Pseudomonas aeruginosa </span><span class="fontstyle0">adalah 10% dan konsentrasi hambat minimal (KHM)<br />ekstrak etanol bunga telang terhadap bakteri </span><span class="fontstyle0">Bacillus cereus </span><span class="fontstyle0">adalah 30%.</span> <br /><br />
Pseudomonas aeruginosa causes various infections such as skin infections. Mangosteen leaves contains active compounds that are useful in inhibiting bacterial growth. The purpose of this research is to examine the antibacterial activity of mangosteen leaves ethanol extract (Garcinia mangostana Linn) on the growth of Ps. aeruginosa bacteria. The experiment was conducted by an experimental method of Ps. aeruginosa bacteria using the Kirby-Bauer method. The concentration of ethanol extract from mangosteen leaves studied is 10% to 100% concentration with a bacterial density of 0.5 Mc Farland. The results showed that the ethanol extract of mangosteen leaves could inhibit bacteria from a concentration of 10% with an average inhibitory diameter is 13.20 mm, 20% is 14.00 mm, 30% is 14.65 mm, 40% is 15.85 mm, 50% is 16.05 mm, 60% is 16.90 mm, 70% is 17.55 mm, 80% is 18.75 mm, 90% is 19.25 mm and 100% equal to 24.80 mm. Based on the results of research and analysis date that has been carried out, it can be concluded that the ethanol extract of mangosteen leaves (Garcinia mangostana Linn) has antibacterial activity against Ps. aeruginosa, with a minimum inhibitory concentration of 10% with diameter inhibitor zone is 13.20 mm.
Microalgae is a phytoplankton that has antimicrobial activity. From 20 blue-green microalgae species, 78% have antibacterial activity and 42% antifungal activity, but there are still many other microalgae species that have unknown their activities. One of the microalgae whose unknown antimicrobial potential is Spirulina plantentis. The purpose of this study was to determine the antimicrobial potential of autotrophic microalgae (Spirulina plantentis) which can be used as antimicrobial compounds from natural materials. This study used the agar diffusion method to see the antimicrobial activity of autotrophic microalgae. Microalgae suspension was tested their antimicrobial activities by using Staphylococcus aureus, Escherichia coli, and Candida albicans. The result shows that the MICs of Spirulina plantentis suspension against C. albicans, E. coli and S. aureus were 62.5 ppm, 125 ppm and 500 ppm. The MBCs against C. albicans, E. coli and S. aureus were 125 ppm, 250 ppm and 500 ppm. Antimicrobial activity of Spirulina plantentis suspension exhibited week against C. albicans and E. coli, but no antimicrobial activity against S. aureus. Spirulina plantentis produced inhibition zone against C. albicans by 3.9 mm at 125 ppm and 15.6 mm at 250 ppm, against S. aureus and E. coli by 1.4 mm at 500 ppm and 1.6 mm at 1000 ppm. Against E. coli by 8.55 mm at 500 ppm and 12 mm at 1000 ppm.
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