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Harini Nurcahya
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INDONESIA
Journal of Tropical Biodiversity
Published by Universitas Nasional Jakarta
ISSN : -     EISSN : 27744116     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology
Journal of Tropical Biodiversity, ISSN : 2774-4116 (Online) is an international journal that publishes articles on all aspects of biological diversity-its description, analysis and conservation, and its controlled rational use by humankind. The scope of Biodiversity and Conservation is wide and multidisciplinary, and embraces all life-forms. published by Universitas Nasional Jakarta
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 6 Documents
 1 
Search results for , issue "Vol 2 No 3 (2022): August 2022" : 6 Documents clear
Analysis of Total Phenols, Total Flavonoids and Anthocyanin Levels in Blue Pea Flowers (Clitoria ternatea L) Fira Kuswandari; Ernawati Sinaga; Nurbaiti Nurbaiti; Ali Husni
Journal of Tropical Biodiversity Vol 2 No 3 (2022): August 2022
Publisher : Universitas Nasional Jakarta

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Abstract

This study aims to determine the content of total phenol, total flavonoid, and anthocyanin levels in flower telang flower (Clitoria ternatea L). Observations were made using different methods and solvents. Telang flower (Clitoria teratea L) extracted by maceration using ethanol solvent and dry extraction using water solvent freezedry method showed different content of total phenol, total flavonoid and anthocyanin content. The extract obtained was analyzed for its content using a UV-Vis spectrophotometer. The results showed that the average total phenolic content of flower telang flower was 2459.94 mgGAE/100g, total flavonoids 1171.10 mg/100g and anthocyanin content 122.79mg/100g. Meanwhile, the freeze-dry extract of the flower of telang flower showed an average total phenol content of 1924.96 mgGAE/100g, a total flavonoid content of 763.88 mg/100g and anthocyanin content of 890.49 mg/100g. The content of total phenol, total flavonoid and anthocyanin from ethanol extract was higher than that from water solvent. The ethanol extract and the water extract of the flower of telang flower have antioxidant potential in terms of the parameters of the total phenol content
Distribution of Karamunting (Rhodomyrthus tomentosa AITON) in Several Regions and Its Secondary Metabolite Content Yenisbar Yenisbar; Asmah Yani
Journal of Tropical Biodiversity Vol 2 No 3 (2022): August 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Karamunting (Rhodomyrtus tomentosa Aiton) (fam: Myrtaceae), also called Ceylon cherry, downy rose myrtle, is native to South Asia. It treats diarrhea, dysentery, leukorrhea, hemorrhoids, toothache, infection and bleeding after childbirth, heart, and clears cholesterol. The research was conducted between April and August 2016 in South Sumatra in Padamaran and Tanjung Batu Villages and West Kalimantan in Kawat, Karamunting, and Capkala Villages analyzed the distribution of the karamunting plant and its secondary metabolites. Purposive sampling with the transect method was used. The observation variables analyzed included the species present, the number of individuals of each species, height, DBH, and coverage area. Species Composition, Relative Density (KR), Relative Frequency (FR), Relative Dominance (DR), and Important Value Index (INP) were all instrumental to the data analysis calculation. The findings indicated that there were 48 seedlings and 19 sapling species. The density and frequency were greater than that of other plants at the growth rate of seedlings and saplings. While the distribution was dominant in the Capkala Village, the most abundant phenol of karamunting leaves was discovered in Tanjung Batu Village, plentiful flavonoids in Padamaran Village, and the highest saponins and tannins in Karamunting Village. Furthermore, tannin was plentiful in Capkala Village.
Structure and Composition of Vegetation and Carbon Stock Calculation in a Natural Lowland Forest of Plantation Forest Landscape D Priatna; NM Heriyanto; I Samsoedin; Supriatno Supriatno; U Wiharjo; E Laksana
Journal of Tropical Biodiversity Vol 2 No 3 (2022): August 2022
Publisher : Universitas Nasional Jakarta

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Abstract

In Indonesia, every concession of industrial plantation forest must leave at least 10% from the size of the concession as natural forest and set aside for protected area. We examined the forest structure and composition through a one-hectare permanent sampling plot (PSP) within three forest cover classes, open land, scrub and young regeneration forest. Surveys showed that there were 143 trees (>10 cm dbh) of 23 species in the Open Land PSP (dominated by Euphorbiaceae, Myristicaceae and Rutace families), 407 trees from 48 species in the Scrub PSP (Euphorbiaceae, Lauraceae and Sapindaceae), and 486 trees from 67 species in the Young Regeneration Forest PSP (Euphorbiaceae, Lauraceae and Annonaceae). Biomass and carbon stock determined through the trees ≥ 10 cm dbh in each forest cover classes. With a Chave formula found that in Open Land stored 15.6 ton C/Ha, in Scrub stored 63.4 ton C/Ha, and in Young Regeneration Forest stored 83.8 ton C/Ha. Calculated that there is around 4.7 million ton C stored in those various forest and vegetation covers within conservation area inside plantation forest concessions at landscape scale. This can be contributed to the efforts of emission reduction at the sub-national level.
Ethnobotanical Study of Medicinal Plants Used To Treat Human Diseases In The Urban Forest Area Of Sangga Buana Cilandak Jakarta Selatan Nadya Siahaan; Dinda Triskaprilia; Muhamad Angga; Adelia Trisna; Dyah Larasati; Sri Endarti Rahayu; Julianti Siburian
Journal of Tropical Biodiversity Vol 2 No 3 (2022): August 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Indonesia has abundant natural resources. Natural resources can be used as medicinal herbs. The use of natural resources using medicinal plants (medicinal herbs) has existed for a long time. Medicinal plants are spread all over Indonesia. The urban forest of Sanga Buana Cilandak in South Jakarta is widely used as a place for conservation, education and nature-based tourism, and is selected as a research site because it is used by local people for food and medicine. The purpose of this study was to identify which plants were used as medicines by people in the Sangabuana area. Survey data collection is based on the results of surveys obtained through direct interviews with the community at the destination. Interviews were conducted using a purposive sampling method. Purposive sampling is sampling that is limited to a specific target group. We interviewed seven respondents working in the urban forests of Sangabuana. Our research has revealed 56 species of medicinal plants belonging to 30 families. The most commonly used part of the plant as a medicine is the leaves, and the most common processing method is boiled. Based on utility value (UV) and fidelity level (FL) calculations, red ginger (Alpinia purpurata) UV is shown to have 1.43 and FL to be 100%.
Inventory and Description of Macroalgae In Rambut Island Kepulauan Seribu DKI Jakarta Sri Handayani
Journal of Tropical Biodiversity Vol 2 No 3 (2022): August 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Macroalgae is a marine biological resource that has the potential to be developed because macroalgae have an important role both in terms of ecology and economy. But anthropogenic pressures such as domestic waste, solid waste disposal, urban community activities, urban planning development activities, and community activities in the waters tend to affect macroalgae growth and diversity which even cause damage to the extinction of macroalgae species. This research needs to be done as the limited information about macroalgae on Rambut Island. The purpose of this study was to determine the composition, and diversity by inventorying and describing the types of macroalgae and to analyze the state of the macroalgae community structure in the Rambut Island waters. Data and information on types and descriptions of macroalgae morphology can be used as a basis for managing and enriching macroalgae biodiversity, especially on Rambut Island, Kepulauan Seribu. The methodology is the quadratic transect method. The results obtained 28 species belonging to 3 divisions, namely 18 species of Chlorophyta, 5 species of Phaeophyta, and 5 species of Rhodophyta. The diversity index of macroalgae is moderate (1.73) and there are no dominant species. The quality of the waters in Rambut Island supports the growth of macroalgae. The macroalgae community structure in Rambut Island is still in a stable condition.
Performance of Interse Merawangarab and Arabmerawang Chicken Cross at Age 1 to 10 Weeks Nurcahya Nurcahya; S. Darwati; P. Rohmatulloh
Journal of Tropical Biodiversity Vol 2 No 3 (2022): August 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Indonesia have many local chicken, such as merawang chicken and arab chicken. Arab chickens are layer local chicken that has egg production more than merawang chicken. Crossing between merawang arab chicken and arab merawang chicken aimed to improve genetic quality through heterosis effect. Interse of merawangarab (MAMA) with interse of arab merawang (AMAM) were observed for their production traits. Total of 98 MAMA chickens and 46 AMAM chickens were observed for their body weight, feed consumption, feed conversion and mortality.This research used covariance (ANCOVA) in randomized complete block designed (RAK). Chicken crossing as a treatment and concomitant is DOC weight. The body weight of MAMA and AMAM were not different (P>0.05). Body weight MAMA male and female at age 10 weeks were 843.10 g and 763.5 g respectively. Body weight AMAM male and female at age 10 weeks were 825.82 g and 741.2 g respectively. Feed intake and feed conversion of MAMA and AMAM male were not different (P>0.05) as well as MAMA and AMAM female. Mortality were occurred in early rearing phase of AMAM chicken was 2.2%. Performance of MAMA and AMAM chicken at age 1-10 weeks were same.

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