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All Journal Jurnal Natur Indonesia Journal of Tropical Biodiversity and Biotechnology
Sri Wahyuningsih
Department of Biology, Faculty of Mathematics and Natural Sciences, University of Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Immunology & microbiology

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Identification of Dendrobium (Orchidaceae) in Liwa Botanical Garden Based on Leaf Morphological Characters Mahfut Mahfut; Tundjung Tripeni Handayani; Sri Wahyuningsih; Sukimin Sukimin
Journal of Tropical Biodiversity and Biotechnology Vol 6, No 1 (2021): April
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.59423

Abstract

Orchid is one of the most popular ornamental plants in the world. One of the orchid genera that is collected in a large number and known to have high morphological variations in the Liwa Botanical Garden is Dendrobium. However, to date, many Dendrobium collections have not been identified. Given the urgency of identification and the limitations of specimens in the field, especially flower organs, this study is important. This study aims to determine variations in morphological characters, phenetic relationships, and to identify Dendrobium collections based on leaf morphological characters in the Liwa Botanical Garden. Five accessions of Dendrobium were collected, namely CAT140, CAT 144, CAT 271, CAT 274, and IR015. Observation of 11 morphological characters leaves showed that leaf had high variations. The phenetic relationship based on the Gower similarity value and the UPGMA method shows that the Dendrobium in the Liwa Botanical Garden can be classified into 2 main groups formed with a similarity index value of 0.813. Based on Principle Component analysis values, it is known that the characters that have a large influence on grouping are the ratio of leaf length and width, leaf cross section, and leaf arrangement. The phenetic dendrogram topology is supported by the morphological character classification. The results of this study are expected to be basic information in the identification of natural orchids and conservation efforts in the Liwa Botanical Garden.
Pancreas Histology of Hyperglycemia of Mice (Mus musculus L.) After Treatment Basil (Ocimum x africanum Lour.) Leaf Extract and Papaya (Carica papaya L.) Elsa Safitri; Sutyarso Sutyarso; Sri Wahyuningsih; Rochmah Agustrina
Jurnal Natur Indonesia Vol 21, No 2 (2023): October
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.21.2.118-123

Abstract

Hyperglycemia is a condition in which the level of glucose in the blood is abnormally high. Hyperglycemia is caused by disturbances in the metabolic system in secreting insulin. Hyperglycemia if left unchecked can cause a disease which is usually called diabetes. Basil (Ocimum x africanum Lour.) and papaya (Carica papaya L.) leaf extracts can reduce blood glucose levels in people with diabetes mellitus because they contain active compounds of flavonoids, alkaloids and tannins which function as anti-diabetics. The aim of this study was to examine the effectiveness of the effects of basil and papaya leaf in affecting the level of islet damage, and repairing pancreatic histological damage in hyperglycemic mice. This study used a completely randomized design with 5 treatment groups and 5 replications. Group K(N) as normal control, group K(+) as positive control, group K (-) as negative control, group P 1 (alloxan induced and treated with ethanol extract of basil leaves 24.5 mg/35g BW mice) 14 days oral) , P 2 group (induced by alloxan and treated with papaya leaf ethanol extract 24.5 mg/35 g BW mice (14 days oral). Data on the level of histological damage to the pancreas of hyperglycemic mice were analyzed using the Kruskal-Wallis method and the Wilcoxon-MannWhitney test at a significant level of 5%. Data histological appearance of the Langerhans were analyzed descriptively.The results showed basil leaf extract and papaya had an effect on the level of damage to the pancreas of mice, basil leaf extract was effective compared to papaya in histological repair of the mice pancreas
Co-Authors Elsa Safitri Mahfut Rochmah Agustrina Sukimin Sukimin Sutyarso Sutyarso Tundjung Tripeni Handayani