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The KARAKTERISTIK FISIK PATI GEMBILI (Dioscorea esculenta L.) DAN TALAS (Colocasia esculenta L.) TERMODIFIKASI ALKOHOL-BASA Parwiyanti, Parwiyanti Parwiyanti; Mahayati, Nura; Lidiasari, Eka; Nurjannah, Tri
Enviagro: Jurnal Pertanian dan Lingkungan Vol 10 No 2 (2024): Enviagro: Jurnal Pertanian dan Lingkungan
Publisher : Program Studi Magister Ilmu Pertanian, Fakultas Pertanian, Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/enviagro.v10i2.5400

Modification of Dioscorea esculenta and Colocasia esculenta starch through NaOH-Etanol was conducted to improve and expand the use of this starch in instant product, especially as binding agent of laksa instant. This study aimed to determine the effect of varying amounts of NaOH on physical characteristics of lesser yam and taro starch. The research was conducted at Agricultural Product Chemical Laboratory, Agricultural Technology Department, Faculty of Agriculture, Sriwijaya University. This study used a Split Plot Design with two treatment factors were the types of starch (lesser yam and taro) and varying amounts of NaOH 3 M (0, 3, 6, 9 g). The parameters observed included whiteness level, water solubility, water absorption index, solubility index, and swelling power. The results showed that the type of starch had significantly affected on water absorption index, water solubility, swelling power, solubility index of modified starch. The amount of NaOH had significantly affected on whiteness level, water absorption index. water solubility, swelling power, solubility inde of modified starch. Moreover, the interaction between types of starch and the amount of NaOH had significantly affected on water absorption index, solubility in water, solubility index of modified starch. The best treatment was lesser yam starch with the addition 3 g of NaOH 3M as binding agent.

The KARAKTERISTIK FISIK PATI GEMBILI (Dioscorea esculenta L.) DAN TALAS (Colocasia esculenta L.) TERMODIFIKASI ALKOHOL-BASA: Physico Characteristics of Lesser Yam (Dioscorea esculenta L.) and Taro (Colocasia esculenta L.) Starch Modified by Alcoholic-Alkaline Parwiyanti, Parwiyanti Parwiyanti; Mahayati, Nura; Lidiasari, Eka; Nurjannah, Tri
Enviagro: Jurnal Pertanian dan Lingkungan Vol 10 No 2 (2024): Enviagro: Jurnal Pertanian dan Lingkungan
Publisher : Program Studi Magister Ilmu Pertanian, Fakultas Pertanian, Fakultas Pertanian, Perikanan dan Biologi Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/enviagro.v10i2.5400

Modification of Dioscorea esculenta and Colocasia esculenta starch through NaOH-Etanol was conducted to improve and expand the use of this starch in instant product, especially as binding agent of laksa instant. This study aimed to determine the effect of varying amounts of NaOH on physical characteristics of lesser yam and taro starch. The research was conducted at Agricultural Product Chemical Laboratory, Agricultural Technology Department, Faculty of Agriculture, Sriwijaya University. This study used a Split Plot Design with two treatment factors were the types of starch (lesser yam and taro) and varying amounts of NaOH 3 M (0, 3, 6, 9 g). The parameters observed included whiteness level, water solubility, water absorption index, solubility index, and swelling power. The results showed that the type of starch had significantly affected on water absorption index, water solubility, swelling power, solubility index of modified starch. The amount of NaOH had significantly affected on whiteness level, water absorption index. water solubility, swelling power, solubility inde of modified starch. Moreover, the interaction between types of starch and the amount of NaOH had significantly affected on water absorption index, solubility in water, solubility index of modified starch. The best treatment was lesser yam starch with the addition 3 g of NaOH 3M as binding agent.

Elaboration of High School Student’s Metacognition Awareness on Heat and Temperature Material: Wright Map in Rasch Model Hikmah, Fitri Nur; Sukarelawan, Moh. Irma; Nurjannah, Tri; Djumati, Jamaludin
Indonesian Journal of Science and Mathematics Education Vol. 4 No. 2 (2021): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v4i2.9488

This study aims to elaborate on the interaction between students’ metacognitive awareness and the difficulty level of items in Heat and Temperature Metacognition Awareness Inventory (HeTMAI). This study uses a quantitative research method with the type of survey research. The respondents involved were 30 students and came from one the public high schools in eastern Indonesia. Metacognitive awareness was evaluated using the 26-item HeTMAI. Student responses are administered online, are voluntary and anonymous. The interaction between students’ metacognitive awareness and items in HeTMAI was analyzed using the Wright map based on the Rasch model. The analysis results show that the student’s average ability is 1.00 logit higher than the item difficulty level. The students’ abilities ranged from -1.34 to 5.98 logit, and the item difficulty level ranged from -0.51 to 0.70. In general, it appears that most students tend to agree more easily with the statements in HeTMAI.

Development of Problem-Based Student Worksheets to Improve Students’ Numeracy Skills in Managing Household Electricity Usage Nurjannah, Tri; Ishafit, Ishafit
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 11 No 1a (2025): Special Issue
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v11i1a.9763

Recent changes in Indonesia’s education policy, particularly the removal of the National Examination and its replacement with the National Assessment, aim to improve the quality of learning. One of the key components of the National Assessment is the Minimum Competency Assessment (AKM), which evaluates students’ literacy and numeracy skills. However, results from the Programme for International Student Assessment (PISA) indicate that Indonesian students’ numeracy skills are still relatively low, including those at SMA Negeri 1 Bantarsari, where no significant improvement has been observed over the past two years. This study aims to develop a problem-based Student Worksheet (LKPD) designed to enhance students’ numeracy skills in managing household electricity consumption. The research employed a Research and Development approach using the ADDIE model, which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The participants were 12th-grade students at SMA Negeri 1 Bantarsari. The LKPD was validated by content and media experts, and its feasibility was assessed by both teachers and students. The results show that the LKPD received a validity score of 80 percent, indicating that it is highly suitable for use without the need for major revisions. Additionally, positive feedback from teachers and students suggests that the LKPD is effective for problem-based learning and can support the development of students’ numeracy skills. Therefore, the problem-based Student Worksheets is expected to serve as an innovative learning resource that enhances the quality of physics instruction and strengthens students’ numeracy literacy

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