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Endrik Nurrohman
Pendidikan Biologi FKIP UMM
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Library & Information Science

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The Exploration of Chlorophyll Content of Various Plants in City Forest of Malabar Malang Roimil Latifa; Samsun Hadi; Endrik Nurrohman
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.14091

Abstract

Abstract This current research aimed at investigating chlorophyll content of various plants growing in the city forest of Malabar Malang. Descriptive quantitative method was employed as the research design. This research was conducted from April to August 2019 in city forest of Malabar and Biology Laboratory University of Muhammadiyah Malang. The data were analyzed by means of Microsoft Excel. There were three steps of the research, as follows: a) surveying the research location; b) taking samples of each leaf; and c) laboratory testing. Laboratory testing comprised some stages, as below: a) weighing each leaf sample at 0.3 gram, grounded and dissolved in 80% acetone; b) filtering by utilizing filter paper, and c) testing by means of spectrophotometer with the wavelengths of 645λ and 663λ, respectively to result in absorbance value. The results of absorbance value were tabulated into a specific formula to find out the content of chlorophyll a, chlorophyll b, and the total chlorophyll of each leaf sample. This current research has revealed that regarding the average scores, chlorophyll a has been found the highest in Averrhoa bilimbi leaf (35.848 µg/ml) and the lowest is in Averrhoa carambola leaf (17.857 µg/ml). The average score of chlorophyll b has been found the highest in Tabebuya leaf (58.862 µg/ml) and the lowest is in nortflok pine leaf (9.124 µg/ml). As for the total average of chlorophyll content, the highest content was extracted from Tabebuya leaf (91.737 µg/ml), and the lowest is found in nortflok pine leaf (28.517 µg/ml).
ETHNOBOTANY OF MEDICINAL PLANTS USED BY THE LOCAL COMMUNITY AT THE FOOT OF THE MOUNT UYELEWUN, EAST NUSA TENGGARA Elly Purwanti; Yuni Pantiwati; Endrik Nurrohman; Astika Dwi Lorosae
BIOEDUKASI Vol 21 No 1 (2023)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v21i1.29069

Abstract

This study aims to explore and identify the medicinal plants used by the Uyelewun local community. It encompasses plant species, multi-aspect utilization, processing methods and how to use, and their medical benefits to heal diseases. This descriptive exploratory study was conducted in May 2019 in six villages, namely Panama Village, Meluwiting Village, Loyobohor Village, Leudanung Village, Balauring Village, and Wairiang Village. These six villages were categorized into three groups: 1) modern village, 2) developing village, and 3) traditional village. Seventy-eight respondents, comprising local villagers, traditional healers, and adat leaders/elders, were selected using purposive and snowball sampling techniques. This study was performed in four stages, viz. 1) survey of research locations and selection of respondents, 2) semi-structured interviews, 3) plant documentation, and 4) plant inventory. The data obtained were then analyzed descriptively using percentages, averages, and content analysis. The results showed that 1) the local community used 82 plant species from 40 families as medicinal plants; 2) the traditional villages had the highest number of medicinal plants (43%), and the modern villages had the highest number of plant species (64%); 3) most plant habit was trees (43%); 4) the majority of plant was from uncultivated/wild plant (55%), obtained mostly from the surrounding environment (55%) and rarely from the beach (2%); and 5) the most consumed part of the medicinal plants was fruits (70%).
Co-Authors Astika Dwi Lorosae Elly Purwanti Roimil Latifa Samsun hadi Yuni Pantiwati