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INDONESIA
Bioma : Berkala Ilmiah Biologi
Published by Universitas Diponegoro
ISSN : -     EISSN : 25982370     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
BIOMA (ISSN 1410-8801) adalah Majalah Ilmiah Biologi yang bertujuan mewadahi semua informasi hasil penelitian, telaah pustaka, makalah teknis, dan kajian buku, dari berbagai cabang ilmu Biologi. Diharapkan penerbitan ini dapat berkontribusi dalam penyampaian informasi ilmiah yang merupakan mata rantai proses kegiatan ilmiah. Terbit sejak tahun 1999.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol. 21, No 2, Tahun 2019" : 12 Documents clear
Efek Pemberian Daun Mimba (Azadirachta indica) Terhadap Diameter Hepatosit Tikus (Rattus norvegicus) Kusuma, Alfana Bagus; Saraswati, Tyas Rini; Sitasiwi, Agung Janika
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1298.081 KB) | DOI: 10.14710/bioma.21.2.106-113

Abstract

Neem leaf (Azadirachta indica) was known as infertility herb. Neem leaf contain of flavonoid compounds which inhibit the damage of cell. This research aimed to examine the effect of neem leaf on hepotocyte and liver lobules diameter. The total of labolatory animals in this research were 12 male Rattus novergicus. This research was conducted by using the Complete Randomized Design (CRD). The animal was treated by neem leaf extracted with 12, 16, and 20 mg/animal/day (PO, P1, P2, P3) respectively. The treatment was treated during 14 days. The liver was made as histological slide by using HE stain with 3-4 µ in thickness. The observed parameters were hepatocyte diameter, liver lobules diameter, the final body weight and liver weight. Data here analyzed by ANOVA test. All the analysis were performed with 5% significant level. The results showed that the giving of neem leaf extract had no significant effects (p>0.05) on hepatocyte diameter, liver lobules diameter, liver weight and final body weight. It could be concluded that the giving of ethanolic neem leaves extract with 20 mg/animal/day for 14 days did not affect the hepatocyte diameter, liver diameter, liver weight and final body weight
Produksi dan Profil Metabolit Bunga Krisan (Chrysanthemum sp.) pada Intensitas Cahaya Lampu LED dengan Durasi Yang Berbeda Utami, Ika Nur; Nurchayati, Yulita; Hastuti, Endah Dwi
Bioma : Berkala Ilmiah Biologi Vol. 21, No 2, Tahun 2019
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (366.797 KB) | DOI: 10.14710/bioma.21.2.154-164

Abstract

Chrysanthemum is a Short Day Plant (SDP) that will flower if the day length is less than 12 hours. Indonesian Chrysanthemum farmers provide additional light at night to maintain the Chrysanthemum’s vegetative phase so obtained the stem length which accordance to the cut flower standard (±76 cm). In other side, Chrysanthemum flowers are known has contain metabolites product and  potentially useful. This study is purpose to determine the effect of differences in LED light intensity and light exposure duration on growth, flower production, and metabolites profile of chrysanthemum. The study used a RAL method 3x2 factorial pattern which is in the form of giving an additional light intensity of 0 W, 10 W and 20 W and an additional light exposure duration of 2 hrs and 4 hrs. The results showed that the combination of 20 W + 4 hrs is optimaly increases the stem length (96,2 cm) and flowers diameter (6,6 cm). The 20 W light intensity is optimally inhibits the flower initiation and increases the amount of flower. The most compounds produced by chrysanthemum are from fatty acid groups, then hydrocarbons, and diterpenes. The combination of 10 W + 4 hrs is an optimally increases flower metabolites production that produces the most compounds compared to other treatments.

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