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Sainstek : Jurnal Sains dan Teknologi
Published by Institut Agama Islam Negeri Batusangkar
ISSN : 20858019     EISSN : 2580278X     DOI : http://dx.doi.org/10.31958/js
Core Subject : Science, Education,
Computer Science & IT Other
Arjuna Subject : Umum - Umum
Articles 15 Documents
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Search results for , issue "Vol 4, No 2 (2012)" : 15 Documents clear
KUALITAS NATA DE CITRULLUS MENGGUNAKAN BERBAGAI MACAM STARTER Fifendy, Mades; Annisah, Nur
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (606.322 KB) | DOI: 10.31958/js.v4i2.71

Abstract

Low-calorie watermelon flesh contains as much as 93.4% water, 0.5% protein, 5.3% carbohydrate, fat 0.1%, fiber 0.2%, ash 0.5%, Vitamin A, Vitamin B and vitamin C. Chemical content of watermelon, especially the carbohydrate content can be used as an ingredient to make nata de Citrullus. The nata formation is strongly influenced by the carbohydrate content, pH, nitrogen content in the substrate and stable environmental condition. The purpose of this study was to determine the best starter. This study was carried out from February to June 2011. The research design was a Completely Randomized Design (CRD) with 6 (six) treatments, namely  coconut water starter (A), watermelon starter (B), pineapple skin starter (C), banana peels starter (D), bangkuang starter (E) and tomato starter (F). The parameters tested were the thickness of nata, wet weight and dry weight, firmness and organoleptic tests. Data were analyzed by using ANOVA and further test HSD at the level of 5% and 1%. The result of this study indicates that the use of a wide range of real starter do not affect the thickness. However there were significant difference at the level of 5% of the wet weight, and it was significantly different at the level of 1% of the dry weight. Finally, it does not affect significantly on organoleptic test (flavor, color, taste and texture).
COMPARATIVE MODELLING PROTEIN VAKSIN NA BTB H5N1 MENGGUNAKAN SWISS MODEL Amelia, Fitri; Iryani, Iryani
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (419.795 KB) | DOI: 10.31958/js.v4i2.72

Abstract

Vaccine sequence of Neuraminidase BTB from previous research was studied by using swiss model server. Protein template was gotten from RSCB database by comparing the vaccine sequence with PDB database. HTY protein was used as a template for this vaccine. Template had 0.00e-1 E value, and 97% identity. The protein vaccine that has been modelled by swiss model had  good quality as immune inducer. Base on ramachandran plot analysis, protein model 1, 2, and 3 have amino acid residues in favoured region higher than 70%. They are 82,0% and 78,2%. Model 1 has the lowest non glysine amino acid residues in disallowed region area, that is 0%.   3D Structure of vaccine had 2086  hits of similarity with database on NCBI Key words: comparing modelling, H5N1 vaccine, swiss model
ANALISIS FAKTOR YANG MEMPENGARUHI KESEHATAN REPRODUKSI IBU MENIKAH DI USIA REMAJA Junios, Junios; Aldianita, Wella
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (416.606 KB) | DOI: 10.31958/js.v4i2.73

Abstract

This study aims to determine factors influence teenage mothers were married to the mother's reproductive health disorders in Jorong Bukik Apik Nagari Padang Tarok Kabupaten Agam of West Sumatra in 2012. The research method used in population study by the survey technique, where the number of teenage mothers who were married at age totaled 35 peopleBased on the results of the study found that factors influencing maternal age married mother Adolescent reproductive health is the lack of knowledge of the signs of pregnancy, pregnant women are at risk, as well as the lack of check gestation. Mother's knowledge about reproductive health will be improved by providing intensive counseling to these mothers.Key words: reproductive health, Jorong Bukik Apik
PENGGUNAAN BEBERAPA PELARUT ORGANIK DALAM EKSTRAKSI BESI(III) DENGAN OKSIN SECARA EKSTRAKSI PELARUT Devita, Liza
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (861.294 KB) | DOI: 10.31958/js.v4i2.74

Abstract

The research on the extraction of iron (III)  aims at finding the best condition of extraction of iron (III) using oksin (8-hidroksikuinolin) as the complement. It was done by setting the  oksin concentration, pH, and the appropriate solvent. The  extraction process was done in a separating funnel. The reaction occurs when the water phase containing ions of iron (III) contacted an organic phase containing oksin as a chelate ligand. The water phase was measured with atomic absorption Spectrophotometer.  The concentration of iron (III) in the organic phase extracted was obtained from the difference between the concentration of iron (III) with the initial concentration of iron (III) which was measured by atomic absorption spectrophotometer. As the result of the research, it was found that Fe-Oksinat was extracted optimally at pH 3, the concentration of iron (III) concentration of 10 ppm and oksin 0.12 M, with a 40-minute standing time and agitation time 20 min. Fe-oksinat for benzene solvent extracted optimum pH 3, the concentration of iron (III) concentration of 10 ppm and 0.12 M. oksin with a 20-minute standing time and mixing time 10 minutes. From the comparative figures of the comparison distribution at the optimum conditions for the three solvents (chloroform, ethyl acetate and benzene), it was obtained that the best solvent for the extraction of iron (III) with oksin as a completing agent is chloroform. Key words : solvent extraction, organic solvents, oksin, Iron (III)
INSULIN SHOCK DAN HUBUNGANNYA DENGAN METABOLISME TUBUH HAVIZ, M.
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (33.276 KB) | DOI: 10.31958/js.v4i2.75

Abstract

The presence of insulin in the human body is very necessary. Insulin has an effect on the metabolism of the body. There are significant physiological changes in the body when insulin deficiency or excess. This paper to discusses about the relationship insulin with metabolism of the body through a literature review and mini research. Is the body condition if the excess or deficiency of insulin? The above questions will be answered through the review authors in this article. Weitz report (2007) about the experience of observation insulin shock therapy in patients with schizophrenia. Then, followed by reports of a mini research that have been conducted on insulin shock in fish. Based on the discussion of the results and some conclusions can be drawn (1) Glucose levels in plasma and liver is strongly influenced by the presence of insulin and glucagon, (2) lack or excess of insulin as a hormone and glucose as substrate will lead to abnormality in the body's physiological.Key words: insulin shock, metabolism

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