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The Journal of Experimental Life Sciences (JELS)
Published by Universitas Brawijaya
ISSN : 20872852     EISSN : 23381655     DOI : 10.21776/ub.jels
Core Subject : Health, Science,
Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Neuroscience
The Journal of Experimental Life Science (JELS) is a scientific journal published by Postgraduate School, University of Brawijaya as distribution media of Indonesian researcher’s results in life science to the wider community. JELS is published in every four months. JELS published scientific papers in review, short report, and articles in Life Sciences especially biology, biotechnology, nanobiology, molecular biology, botany, microbiology, genetics, neuroscience, pharmacology, toxicology, and Applied Life Science including fermentation technology, food science, immunotherapy, proteomics and other fields related to life matter. JELS is a scientific journal that published compatible qualified articles to the academic standard, scientific and all articles reviewed by the expert in their field. The Journal of Experimental Life Science (JELS) have a vision to become qualified reference media to publish the best and original research results and become the foundation of science development through invention and innovation on cellular, molecular, nanobiology, and simulation work related to life matter rapidly to the community. The Journal of Experimental Life Science (JELS) has objectives to published qualified articles on research’s results of Indonesian researchers in life science scope. JELS encompasses articles which discuss basic principles on natural phenomenon with cellular, molecular, and nanobiology approach.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 13 Documents
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Search results for , issue "Vol. 9 No. 2 (2019)" : 13 Documents clear
The Effect of Biogas Waste Doses (Sludge) of Cow Manure on the Growth and the Yield of Eggplant (Solanum Melongena L.) Ach Fauzan Mas'udi; Hidayat Bambang Setyawan
The Journal of Experimental Life Science Vol. 9 No. 2 (2019)
Publisher : Postgraduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1087.933 KB) | DOI: 10.21776/ub.jels.2019.009.02.05

Abstract

The growth and the yield of eggplant plants are strongly influenced by the condition of the soil, and any damage to soil quality can cause unproductive plants according to its potential results. The addition of organic material in the form of biogas waste into the soil is expected to increase the yield of eggplant. This experiment aims at determining the best dose of biogas waste (sludge) to increase eggplant production. The experiment was carried out in Jember Lor village, Patrang, Jember, East Java with an altitude of ± 89 meters above sea level (masl). The experiment used a completely randomized design method (CRD) with 4 treatments, treatment L0: 0kg waste plant-1; L1: 0.6 kg of waste. L2: 1,2kg of waste plants -1 and L3: 2,2 kg of waste plants-1. Each treatment was repeated 6 times with a total of 24 plants. Based on the results of the study, there was a very significant effect of sludge on variables of plant height, flowering age, harvesting age, fruit diameter, fruit length, and fruit weight. Sludge does not show a significant difference in plant diameter variables. The best treatment to have reached the plant height, fruiting age, harvesting age, fruit diameter, fruit length and fruit weight was the treatment of using a sludge with the dose of 1.2 kg polybag-1 (L2) with a height of 102.8 cm, different ages of 30.83 HST , harvest age of 56.73 HST, fruit diameter of 35.93 mm, fruit length of 17.95 cm and fruit weight of crop reached 1.36 kg (37.61 tons ha-1).Keywords: biogas waste, cow dung, eggplant, sludge.
The Study of Growth and Its Polyembryonic Properties of Porang Seeds (Amorphophallus muelleri Blume) from Various Fruit Colors in Different Planting Media Imaniah Bazlina Wardani; Nunung Harijati; Retno Mastuti
The Journal of Experimental Life Science Vol. 9 No. 2 (2019)
Publisher : Postgraduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1199.582 KB) | DOI: 10.21776/ub.jels.2019.009.02.10

Abstract

The ripening of Porang compound fruit (Amorphophallus muelleri Blume) in one cob does not occur simultaneously but moves forward from the distal region to proximal. The ripe fruit is red, almost ripe is yellow and unripe is green. The study aimed to examine the growth potential and polyembryonic properties of Porang seeds derived from red, yellow and green fruits. These seeds were grown in different media with the expectation the best plant growth can be obtained. This research was a factorial experiment which was arranged in a completely random design and each unit observation has three replication. The factor I was the source of seeds. Seeds came from various fruit colors. Each of them is red (R), yellow (Y) and green (G). Factor II is a planting medium which had 4 types, M1, M2, M3, and M4.  M1 is combination of soil and husk charcoal (70%: 30%), M2 = soil: cocopeat (70%: 30%), M3 = soil: husk charcoal: cocopeat (70%: 15%: 15%) and M4 = just soil (100%). The results showed that the seeds derived from red fruit and planted on medium 2 (soil: cocopeat = 70%: 25%) potentially producing the best plant. The seeds also showed 100% polyembryony at 182 days after planting. In addition, the first, second and third shoots (originating from one seed) have different in height, canopy diameters, and petiole diameter. Keywords: Fruitcolors, planting media, polyembriony, Porang (Amorphophallus muelleri Blume).
Potential of Olive Oil Extract (Olea europaea) For Affecting Lipid Profile, Lipid Oxidative and Fatty Liver on Hiperlipemic Rats (Rattus norvegicus) Hanifwati, Annisa; Marhendra, Agung Pramana Warih; Aulanni'am, Aulanni'am
The Journal of Experimental Life Science Vol. 9 No. 2 (2019)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2019.009.02.12

Abstract

Olive oil (Olea europaea) contains 55 to 83% oleic acid which is a single chain unsaturated fatty acid or mono-unsaturated fatty acid (MUFA), and 2% phenolic components in the form of hydroxytyrosol and tyrosol. This study aims to determine the potential of olive oil extract (Olea europaea) in reducing cholesterol and malondialdehyde levels, along with inhibiting fatty liver development in hiperlipemic rats. Sixteen rats were divided into four groups, the first group was healthy control group, the second group was positive control group, received a high-fat diet containing 100 mg of cholesterol powder, 25 mg of cholic acid powder and 1 mL of quail egg yolk for 28 days. Third and fourth treatment groups were received for 28 days, plus 0.828 g (1 mL) and 1.656 g (2 mL) of olive oil extract daily for 14 days, respectively. The measurement of total cholesterol used cholesterol test strips based on oxidation enzyme reaction cholesterol esterase and cholesterol oxidase that produce hydrogen peroxidation, then analyzed with biosensor refractophotometry. Measurement of malondialdehyde used thiobarbituric acid (TBA) test. Histological observation of fatty liver was assessed using a NAS (Non-alcoholic fatty liver disease score). The results showed that 1.656 g (2 mL) of olive oil extract per day decreased total cholesterol level up to 44.41 %, malondialdehyde level up to 61.75%, and NAS score up to 50%, compared with positive control. It was concluded that olive oil extract was decreasing total cholesterol level, as an anti-oxidant and prevent fatty liver development.Keywords: fatty liver, hyperlipidemia, malondialdehyde, Olea europaea.

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