Daun jambu air telah banyak dikenal di masyarakat Indonesia sebagai pembungkus makanan sehingga makanan dapat disimpan lebih lama. Hal ini menunjukkan daun jambu air memiliki aktivitas antimikroba. Jambu air telah diketahui mengandung flavonoid and tanin yang memiliki khasiat anti jamur. Penyakit infeksi karena jamur, merupakan penyakit dengan tingkat penderita yang tinggi di Indonesia, salah satu diantaranya adalah ketombe. Ketombe disebabkan oleh Pityropsorum ovale. Penelitian ini bertujuan untuk membuktikan secara ilmiah mengenai potensi aktivitas daun jambu air pada jamur penyebab ketombe. Evaluasi dilakukan secara in vitro dengan metode difusi agar menggunakan teknik sumur pada jamur penyebab ketombe yaitu Pityrosporum ovale dengan indikator capaian adalah terbentuknya zona hambatan pertumbuhan. Hasil menunjukkan bahwa bahan uji berupa ekstrak etanol dan fraksi ekstrak yaitu fraksi n-heksan, etil asetat maupun air memiliki khasiat menghambat pertumbuhan Pityrosporum ovale masing-masing pada konsentrasi hambat minimum (KHM) : 1, 1, 0,5 dan 4% b/v. Aktivitas pada Pityrosporum ovale yang tertinggi ditunjukkan oleh fraksi etil asetat karena memiliki nilai KHM terendah. Berdasarkan hasil di atas dapat disimpulkan bahwa daun jambu air berpotensi untuk dikembangkan menjadi sediaan yang berkhasiat anti ketombe.
Fungal infection has a high prevalence rate in the feminine area. The use of natural anti-fungal, natural feminine cleansers can be a solution to this problem. Apple rose leaves are thought to be an alternative active ingredient to be developed into a natural feminine area cleanser. In this study, in vitro antifungal activity of guava leaves was observed on Candidia albicans and their development into a feminine area cleanser. The results based on the ethanol extract, n-hexane fraction, ethyl acetate fraction and water fraction showed that there were high anti-fungal properties. The highest anti-fungal effect was shown by the n-hexane fraction. A feminine area cleanser was developed with the n-hexane fraction of apple rose leaves as the active ingredient. Pharmaceutic evaluation showed that the formulation obtained was milky white, odorless, homogeneous, produced foam with a height of 0.5 cm and had a pH of 4.5. Based on the results of the study, it can be concluded that apple rose leaves have the potential to be developed into a feminine area cleanser.
Keywords: apple rose leaves, leukorrhea, natural anti-leukorrhea, feminine area cleansing preparation
The coronavirus has a high transmission capacity through direct physical contact between humans and objects. It is necessary to use disinfectants, to break the transmission chain. This study aimed to make liquid bath soap with apple rose leaves and evaluate its antiseptic properties. The active ingredient used is a water fraction of 0.78% w/v. The results of the pharmaceutical evaluation showed that liquid soap made from apple rose leaves is homogeneous and has no coarse granules, has a pH of 8, viscosity of 498 mPas, level of free alkaline of 0.7%, specific gravity of 1.03 g / mL and height of foam being 85.71%. The apple rose leaves bath soap can inhibit the growth of S.aureus and E. coli bacteria after 15 and 75 seconds of contact time, respectively. Apple rose leaves have the potential to be developed into a natural antiseptic bath soap.
Keywords: corona virus, liquid bath soap, apple rose leaves, antiseptic activity
This study examined the moderating effect of agreeableness on the relation between exposure of antisocial media and cyberbullying. The subjects of the research were 293 junior high school students 12-16 years old (M = 13,58; SD = 0,74) in Malang City. Instruments used were The Cyberbullying Questionnaire, Content-based Media Exposure Scale, and The Big Five Inventory. The result indicated that agreeableness is moderator exposure of antisocial media and cyberbullying (β = -0,155; p = 0,006). Correlation between exposure of antisocial media and cyberbullying is stronger in adolescents with low levels of agreeableness than adolescents with high agreeableness.
Makalah ini merupakan hasil laporan Foreign Case Study untuk syarat publikasi ilmiah di Sekolah Tinggi Pariwasata Ambarrukmo Yogyakarta dengan judul Merlion Park Sebagai Wisata Alternatif Di Singapore
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