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BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan)
Published by Universitas Medan Area
ISSN : 25975269     EISSN : 2356458X     DOI : 10.31289
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Biolink focuses on the publication of the results of scientific research related to fields. This article is published in the internal and external academic community of the University of Medan Area (UMA) especially in the field of Biology. Biolink publishes scientific articles in the scope of biology that includes environmental biology, industrial biology and health biology. Published articles are the results of research articles, studies or critical and comprehensive scientific studies on important issues related to the field of biology.
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Articles 20 Documents
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Search results for , issue "Vol 6, No 1 (2019): Agustus" : 20 Documents clear
UJI AKTIVITAS ANTIFUNGAL EKSTRAK KULIT PISANG BARANGAN (MUSA ACUMINATA COLLA.) TERHADAP PERTUMBUHAN JAMUR PITYROSPORUM OVALE Chandra, Fioni; Lister, I Nyoman Ehrich
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2211

Abstract

Clean and Healthy Lifestyle is essential to be endeavored by society for preventing variety of infectious diseases which one of the most common is dandruff or seborrhea sicca that caused by the growth of Pityrosporum ovale fungi. This research is indicated to provide a better alternative option using ingredient given by nature that can treat dandruff. This research using banana peel extract since it is an original fruit from North Sumatra. The result from phytochemical screening of the banana peel extract shows secondary metabolites which are saponin, tannin, steroid/tritepenoida, flavonoid and glycosides. To produce barangan banana peel extract is by maseration method. Antifungal activity test using barangan banana peel extract towards Pityrosporum ovale is done by disc diffusion method. The antifungal activity test shows the biggest result for Minimum Inhibitory Concentration (MIC) extraction concentration at 1000 mg/ml with the average diameter of 11,9 mm. According to the inhibitory scale of antifungal activity test of barangan banana peel extract towards the growth of Pityrosporum ovale is ineffective.
UJI ANTIBAKTERI EKSTRAK BUAH TAKOKAK (SOLANUM TORVUM SWARTZ) TERHADAP PERTUMBUHAN BAKTERI PROPIONIBACTERIUM ACNES Lajira, Merta Meliana; Ehrich Lister, I Nyoman
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2237

Abstract

Acne vulgaris is a disorder of the skin characterized by changes in blackheads, papules, pustules, and nodules that often occur on the face, shoulders, and back. Propionibacterium acnes is the main habitat that contributes to acne. One of the plants that have an anti-bacterial effect is takokak fruit. This study aims to study the presence or absence of anti-bacterial effects of takokak fruit extract on the growth of Propionibacterium acne bacteria. The test method used is the Diplo disk diffusion method. The fruit was extracted by maceration method using ethanol as a solvent and then diluted using 96% ethanol at a concentration of 25%, 50%, 75%, 100% while the positive control used a clindamycin suspension and negative control of distilled water. The results showed that takokak fruit extract had an antibacterial effect on Propionibacterium acnes with an average diameter inhibition zone of 16.75 mm; 18.3 mm; 18.85 mm; 21.92 mm. Positive control (clindamycin) 37,45; negative control (distilled water) has no value to prevent bacteria.
IDENTIFIKASI DAN UJI AKTIVITAS ANTIBAKTERI KAPANG LAUT DIISOLASI DARI KORAL LUNAK FAVITES SP. Fanani, Ahmad Zainal; Novitasari, Tisa Ayu; Rofi’ah, Siti Choiriah; Dewi, Siti Nur Rukhoiyah; Pramono, Heru
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2253

Abstract

The aims of this study was to investigate the antimicrobial activity of fungi associated with coral. The fungi was cultured by streak plate method on potato dextrose agar (PDA) and reisolated with the same medium and were stored in slant agar for identified with morphological approach. Antibacterial activity fungi associated with coral was tested using overlay method against Escherichia coli and Staphylococcus aureus. Based on morphological analysis, five fungi were identified as Candidasp., Fusariumsp., Cladophialophorasp., Phaeoacremoniumsp., and Trichophytonsp. The antibacterial assay showed that Phaeoacremoniumsp. and Trichophytonsp. has antibacterial activity and potential as source of antibacterial for futher study.
KADAR KADMIUM PADA AIR SUMUR GALI DISEKITAR TEMPAT PEMROSESAN AKHIR SAMPAH (STUDI DI TEMPAT PEMROSESAN AKHIR SAMPAH X KABUPATEN JEMBER, INDONESIA) Qadriyah, Lailatul; Moelyaningrum, Anita Dewi; Ningrum, Prehatin Trirahayu
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2400

Abstract

The controlled landfill method can produce leachate water. Leachate water has high potential to contaminate ground water. The cadmium (Cd) can spread into the soil through a process of impregnation that follows the movement of groundwater flow. The purpose of this study was to analyze the relationship between the distance and well construction with cadmium content in the well water dug around the landfill. This research was an observational analytic research with cross sectional research design. The data collection method used in this research were observation, measurement, documentation and laboratory test. The result of laboratory test showed 80% of the wells exceed the quality standard (0,005 ppm). The result of bivariate analysis using chi square test showed that there was no correlation between the distance with cadmium content in dug well water around landfill (sig = 0.173) and there was a relation between well construction with cadmium content in dug well water around landfill (sig = 0.035). The good standart construction of dug well can inhibit the cadmium in the dug well water.
ISOLASI DAN IDENTIFIKASI BAKTERI PENGHASIL IAA DAN PELARUT FOSFAT DARI RHIZOSFER TANAMAN KELAPA SAWIT Walida, Hilwa; Hasibuan, Miranda; Yanti, Febri Fitri; Harahap, Fitra Syawal
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2090

Abstract

The potential of various genera and species of rhizosphere bacteria is well known. This study aims to determine the diversity and physiological characteristics of the rhizosphere bacterial isolates of oil palm plants at PTPN III Aek Nabara Labuhanbatu North Sumatra. This research was conducted in July 2018 to October 2018 in laboratory of STIPER Labuhanbatu. This research was conducted by isolating bacteria from the root rhizosphere of oil palm plants, characterizing the morphology and physiology of isolates by phosphate dissolution test and indole acetic acid production test. Furthermore, the data was analyzed descriptively. Based on the isolation results obtained 10 bacterial isolates with different macroscopic and microscopic morphological characteristics with the largest amount of dissolved phosphate produced by isolate R05 (0.211 mg / l) and the largest amount of IAA produced by isolate R04 (0.097 mg / l). Isolates R05 and R04 have the potential to be further tested.
UJI AKTIVITAS ANTIBAKTERI EKSTRAK DAUN SERAI WANGI (CYMBOPOGON NARDUS) TERHADAP BAKTERI PROPIONIBACTERIUM ACNES Winato, Brigad Mahardika; Sanjaya, Erfan; Siregar, Lisdawaty; Fau, Solinia Kifami Yohana Maria Vianne; Mutia, dr. Maya Sari
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2210

Abstract

Acne is a disease of the skin that often occurs during adolescence until adulthood. Acne is characterized by the appearance of several signs, namely blackheads, pustules, papules, cysts and nodes in the neck, face, upper arms, back and chest area. Acne is also a skin disease that affects more than 85% of adolescents around the world. Although not life-threatening, acne can affect a person's quality of life by giving a psychological effect that is bad for the sufferer in the form of a person's way of judging, responding to and looking at his condition and situation. The purpose of this study was to determine the inhibitory power of citronella extract (Cymbopogon nardus) on the growth of Propionibacterium acnes bacteria. The study was conducted with experimental methods with the posttest design only group design controls conducted at the Microbiology Lab at the Faculty of Medicine, University of Prima Indonesia and the Pharmacy and Toxicology Lab at the Faculty of Pharmacy, University of North Sumatra. The results showed that lemongrass leaf extract had a inhibitory effect on the growth of Propionibacterium acnes bacteria with various concentrations of 20, 40, 60, 80 and 100%. The higher the concentration of fragrant lemongrass extract, the better the inhibition power.
TINGKAT DAN POLA DISTRIBUSI INFESTASI PENGGEREK BATANG JAGUNG OSTRINIA FURNACALIS (LEPIDOPTERA: CRAMBIDAE) DI PADANGSIDIMPUAN Permadi, Muhammad Agung; Harahap, Qorry Hilmiyah
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2093

Abstract

Ostrinia furnacalis Guenee as known as Asian corn stem borer is one of the main pests in corn cultivation practices in Indonesia. Besides Indonesia, these pests attack in other Asian regions such as Central Asia, East Asia, and also Australia. This study was aimed to measure the intensity of infestation and to analyze patterns of distribution of O. furnacalis in corn field. The observations of intensity and infestation distribusiton were held on 12 corn plantations owned by farmers in six sub-districts of Padangsidimpuan. Results showed that The lowest infested area of O. furnacalis larvae was 1.1%, while the highest was 4.31%. O. furnacalis larvae infestations at each plant in each plantations has a random distribution and the distribution was varies among corb fields.
UJI EFEKTIVITAS DAUN PANDAN WANGI (PANDANUS AMARYLLIFOLIUS ROXB.) SEBAGAI ANTIBAKTERI TERHADAP SALMONELLA TYPHI Bali, Priska Nancy Claudia; Raif, Ahmad; Tarigan, Setia Budi
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2218

Abstract

Pandanus amaryllifolius roxb leaves commonly used as food dditives which contain various compound groups namely alkaloid, saponins, flavonoids and tannins that have a role in antibacterial activity. This research is indicated to support the success of antibacterial in fragrant pandanus leaf plants against Salmonella typhi, one of the pathogenic bacteria. The antibacterial effectiveness test of ethanol-ethyl acetate extract (1: 1) of pandanus leaves which evaluated by the Kirby-bauer method and making the extract concentrations of 25%, 50%, 75%, 100%. The results showed that pandanus leaves extract had antibacterial effectiveness against Salmonella typhi with an average inhibition zone diameter of 11.6 mm; 14 mm; 14.3 mm; 15.3 mm; positive controls (Ciprofloxacin) 27 mm; and negative controls (aquadest) didn’t produce the inhibition zone of Salmonella typhi.
AKTIVITAS ANTIMIKROBA BAKTERI ASAM LAKTAT YANG DIISOLASI DARI MAKANAN TRADISIONAL FERMENTASI KHAS BATAK “NANIURA” Aloysius, Aloysius; Ulfa, Anjurniza; Situmorang, Anggita Kasih Fianti; Harmileni, Harmileni; Fachrial, Edy
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2165

Abstract

Lactic acid bacteria (LAB) could be isolated from various fermented food products. One potential source of LAB is traditional fermented food. The aim of the study was to isolate and investigate antimicrobial activity of LAB isolated from traditional Batak food, “naniura”. The LAB isolates were characterized by Gram staining, fermentation type and catalase test. The investigation of antimicrobial activity of LAB against pathogenic bacteria were conducted using disc diffusion method. The results showed that 6 isolates of BAL were successfully isolated namely BN1, BN2, BN3, BN4, BN5 and BN6 had characteristics of Gram positive, rod shaped and catalase negative. All selected isolate have heterofermentation type. Four isolates (BN1, BN2, BN5 and BN6) were able to inhibit S. aureus, E. coli and S. typhi with inhibition zone diameters ranging from 6,9 to 12,3 cm. Based on the result, it was concluded that LAB isolated from naniura has potential as a source of probiotics.
UJI EFEKTIVITAS ANTIBAKTERI EKSTRAK DAUN SIRSAK (ANNONA MURICATA LINN.) TERHADAP BAKTERI PROPIONIBACTERIUM ACNES Zai, Yurlina; Kristino, Agnes Yohana; Ramadhani Nasution, Sri Lestari; Natali, Oliviti
BIOLINK : Jurnal Biologi Lingkungan, Industri dan Kesehatan Vol 6, No 1 (2019): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i1.2244

Abstract

This research aims to determine the effectiveness of the antibacterial soursop leaf extract (Annona muricata L.). The method used is the agar diffusion method. The leaves were extracted by maceration method, using ethanol as a solvent. The soursop leaf extract obtained was then diluted using ethanol 96% at a concentration of 20%, 40%,60%, 80%. Positive control using clindamycin and negative controls using sterile aquadest. The research model used in this study is an experimental research model In Vitro of type. The results showed that soursop leaf extract had antibacterial effectiveness against Propionibacterium acnes with an average inhibition zone diameter of 9,7 mm; 13,7 mm; 15,7 mm; 16,3 mm; positive control (clindamysin) 21,0 mm; and negative control (aquadest) have no value tobe able to inhibit bacterial growth.

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