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All Journal Jurna Beta Kimia Journal of Community Research and Engagement
Lika, Angela G.
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Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Health Professions Public Health Social Sciences

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Aktivitas Ekstrak Etanol Daun Sterculia comosa Wallich terhadap Pertumbuhan Klebsiella pneumonia dan Streptococcus viridans Nikmah, Nikmah; Tokan, Moses K.; Lika, Angela G.; Yusnaini, Yusnaini; Ardan, Andam S.; Imakulata, Mbing; Majid, Abdul
Jurnal Beta Kimia Vol 2 No 2 (2022): Volume 2, Nomor 2: November 2022
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jbk.v2i2.9183

Abstract

Penelitian ini bertujuan untuk mengetahui aktivitas dari ekstrak daun Sterculia comosa Wallich terhadap pertumbuhan bakteri Klebsiella pneumonia dan Streptococcus viridans. Ekstraksi dilakukan dengan metode maserasi. Pengujian antibakteri dengan menggunakan metode dilusi. Berdasarkan hasil penelitian menunjukkan bahwa ekstrak daun Sterculia comosa Wallich berpengaruh sangat nyata terhadap pertumbuhan bakteri Klebsiella pneumonia dan Streptococcus viridans. Konsentrasi ekstrak daun Sterculia comosa Wallich yang berpengaruh dalam menghambat pertumbuhan bakteri Klebsiella pneumonia adalah pada konsentrasi 200 mg/ml dengan rata-rata jumlah koloni bakteri yang hidup 163 CFU dan konsentrasi tertinggi 1600 mg/ml dengan rata-rata jumlah koloni yang hidup sebanyak 75 CFU, sedangkan pertumbuhan bakteri Streptococcus viridans terhambat pada konsentrasi minimal 200 mg/ml dengan rata-rata jumlah koloni bakteri 147 CFU dan konsentrasi tertinggi pada 1600 mg/mL dengan rata-rata jumlah koloni yang hidup sebanyak 63,67 CFU. Sementara konsentrasi yang dapat membunuh bakteri dalam penelitian ini belum ditemukan untuk kedua bakteri tersebut. Hasil penelitian ini berimplikasi pada pengembangan penelitian dan memperkaya temuan pada tumbuhan berpotensi obat.
TRAINING ON ECOPRINTING POUNDING TECHNIQUE BY UTILIZING ENVIRONMENTAL POTENTIAL IN ENHANCING CREATIVITY AND ENTREPRENEURSHIP SKILLS OF STUDENTS Arini Rahma Dhani; Yusnaeni, Yusnaeni; Ardan, Andam S.; Lika, Angela G.; Imakulata, Mbing Maria; Nikmah, Nikmah; Honin, Maryanto C.
Journal of Community Research and Engagement Vol. 1 No. 2 (2024): NOVEMBER
Publisher : Universitas Muhammadiyah Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38040/jcore.v1i2.1050

Abstract

One of the soft skills that need to be honed for students is creativity. Creativity is the courage to try new ideas and look for alternative answers to the problems faced. The existence of creative souls can later become an asset in building an entrepreneurial spirit. Ecoprint is one of the media to hone students' creativity while exploring the potential of the surrounding natural environment. Ecoprint is the transfer of natural original colors on fabrics that have high absorption. There are several techniques used to produce ecoprint motifs including pounding, boiling and steam techniques. The pounding technique means beating the leaves on a piece of white cloth. This beating is used to bring out the natural colors in the leaves/flowers. The purpose of this training is to hone students' creativity and develop the spirit of entrepreneurship through ecoprint training that utilizes environmental potential. The method used was in 4 stages, namely, preparation, socialization, training and evaluation. The participants of this ecoprint training were very enthusiastic. This is shown by the results of a survey via google form to students regarding the suitability of the training objectives, the attractiveness of the material, the way of delivery of the speakers, the ease of practicing ecoprinting. The survey results showed 90% of students were satisfied with the activity.
Co-Authors Abdul Majid Andam S. Ardan Arini Rahma Dhani Honin, Maryanto C. Imakulata, Mbing Imakulata, Mbing Maria Nikmah Nikmah Tokan, Moses K. Yusnaeni Yusnaeni, Yusnaeni Yusnaini Yusnaini