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All Journal Berkala Ilmiah Pendidikan Biologi (BioEdu) Jurnal technoscientia JURNAL TEKNOLOGI TECHNOSCIENTIA
AYU PUJI LESTARI, KINANTI
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering

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THE APPLICATION OF PROBLEM POSING LEARNING THEME INTEGRATED BOTANY IN STATE SENIOR-HIGH-SCHOOL GRADE XI AYU PUJI LESTARI, KINANTI
Berkala Ilmiah Pendidikan Biologi (BioEdu) Vol 2 No 3 (2013)
Publisher : Program Studi Pendidikan Biologi, FMIPA, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Problem posing learning model was a learning model that assign students to made questions about the material being taught which must then be solved by students either individually or in groups. Reformulate the problem or application problem is one way to make progress in solving the problem. Learn to ask very important in the educational process. Students can not have learned before asked himself, and then answer the question. It is a reflection of the problem posing learning model. Students will got direct experience by doing activities related to the integrated botanical material. This learning model aims to achieve competency in accordance with theme integrated botany in the structure and function of plant tissue is taught. This type of research was a pre-experimental research The method used was the “One Group Pre-test – Post-test” with subjects 26 students class XI Science 1 SMAN 1 Gresik Manyar. The analysis was conducted in descriptive quantitative. Cognitive learning outcomes students, 88.47% of students have completed the classical. Based on the obtained results it can be concluded that the problem posing effective learning model applied to an integrated botanical material. Keywords: Problem Posing Learning, Students Learning Achievement, Integrated botany.
EKSTRAKSI JAMUR AURICULARIA DENGAN MENGGUNAKAN PELARUT ETANOL DAN METANOL Yuliarni, Floreta Fiska; Ayu Puji Lestari, Kinanti; Kun Arisawati, Diah; Dwi Winda Sari, Ratna; Ratna K., Kharisma
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 14 No 2 Maret 2022
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v14i2.3637

Abstract

The purpose of this study was to determine the characteristics of Auricularia extract which was extracted using 96% ethanol (sample E) and methanol (sample M). Auricularia was powdered before extraction. Extraction of mushrooms was carried out using the maceration method for three days. The solvents used for extraction were 96% ethanol and methanol. The extract that has been obtained is calculated by weight yield, tested for solubility, pH, and organoleptic tests. The yield weight of sample E was 1.47% higher than sample M, which was 1.22%. In the solubility test, sample E dissolved in water had a higher solubility of 60% compared to 96% ethanol, which was 55%, on the other hand, sample M dissolved in ethanol 96% had a higher solubility of 55% compared to 40% in water. Samples E and M dissolved in water had the same pH of 5, as well as those dissolved in 96% ethanol, which was 6. The organoleptic test on samples E and M had similarities in smell and shape, the difference was the color. The conclusion is samples E and M have almost the same characteristics.
EKSTRAKSI JAMUR AURICULARIA DENGAN MENGGUNAKAN PELARUT ETANOL DAN METANOL Yuliarni, Floreta Fiska; Ayu Puji Lestari, Kinanti; Kun Arisawati, Diah; Dwi Winda Sari, Ratna; Ratna K., Kharisma
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 14 No 2 Maret 2022
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v14i2.3637

Abstract

The purpose of this study was to determine the characteristics of Auricularia extract which was extracted using 96% ethanol (sample E) and methanol (sample M). Auricularia was powdered before extraction. Extraction of mushrooms was carried out using the maceration method for three days. The solvents used for extraction were 96% ethanol and methanol. The extract that has been obtained is calculated by weight yield, tested for solubility, pH, and organoleptic tests. The yield weight of sample E was 1.47% higher than sample M, which was 1.22%. In the solubility test, sample E dissolved in water had a higher solubility of 60% compared to 96% ethanol, which was 55%, on the other hand, sample M dissolved in ethanol 96% had a higher solubility of 55% compared to 40% in water. Samples E and M dissolved in water had the same pH of 5, as well as those dissolved in 96% ethanol, which was 6. The organoleptic test on samples E and M had similarities in smell and shape, the difference was the color. The conclusion is samples E and M have almost the same characteristics.
Co-Authors Dwi Winda Sari, Ratna Kun Arisawati, Diah Ratna K., Kharisma Yuliarni, Floreta Fiska