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All Journal Biota Jurnal Pendidikan Biologi Indonesia
Moch. Agus Krisno Budiyanto
Universitas Muhammadiyah Malang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology

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EFEKTIVITAS BERBAGAI KONSENTRASI EKSTRAK DAUN KAYU MANIS (Cinnamomum burmannii [Ness.] BI) TERHADAP DIAMETER ZONA HAMBAT PERTUMBUHAN BAKTERI Staphylococcus epidermidis Moh. Syaifuddin Qomar; Moch. Agus Krisno Budiyanto; Sukarsono Sukarsono; Sri Wahyuni; Husamah Husamah
Biota Vol 4 No 1 (2018): Jurnal Biota 2018
Publisher : Faculty of Science and Technology Universitas Islam Negeri Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/Biota.v4i1.1454

Abstract

Staphylococcus epidermidis is one of the bacteria that can cause infectious diseases. In general Staphylococcus epidermidis can cause diseases of swelling (abscess) such as skin infections or acne. Cinnamon (Cinnamomum burmannii [Ness.] BI) leaf extract has a substance which gives antimicrobial effects that can be used as an inhibitor of the Staphylococcus epidermidis bacteria’s growth because it contains substances such as essential oils, flavonoids, saponins, tannins, and alkaloids. The aim of this research is to analyse the effect of the concentration of cinnamon leaf extract and to determine the concentration of extract which has the best influence to the inhibition zone diameter of Staphylococcus epidermidis bacteria. This research was conducted in Biology Laboratory of University of Muhammadiyah Malang, on 17-18 May 2017. The results showed that there was an effect of giving various concentrations of cinnamon leaf extract to the inhibition zone diameter of Staphylococcus epidermidis bacteria’s growth. The concentration of cinnamon leaf extract which has the best influence to the inhibitory zone diameter of Staphylococcus epidermidis bacteria is 100% with the mean of inhibitory zone diameter 15.16 mm.
THE INFLUENCE OF VARIOUS CONCENTRATION OF RED ROSES (ROSA DAMASCENA MILL) FLOWER EXTRACT TO ANTHOCYANIN COLOR STABILITY JELLY AS BIOLOGY LEARNING SOURCE Ratna Wulandari; Moch. Agus Krisno Budiyanto; Lud Waluyo
JPBI (Jurnal Pendidikan Biologi Indonesia) Vol. 2 No. 1 (2016): MARCH
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jpbi.v2i1.3371

Abstract

Red roses flower (Rosa damascena Mill) is plant which can be cultivated in Indonesia. Red roses flower have a natural pigment contain that anthocyanin which can be used as food coloring. The crown of roses flower contain an anthocyanin pigment that include to flavonoid and kind of sianidin anthocyanin which have a function as antioxidant or free radical preventing. Pigment as bioactive is important compound that useful for human health. The aim of this research is to know various concentration influence of red roses flower extract and to know effective concentration that the most influence to color stability of anthocyanin jelly. Research types with treatment, repetition, and control. The design of this research using completely randomized design (RAL), with 6 treatment (0%, 1%, 2%, 3%, 4%, and 5%) and repeated 4 times. Population of this research is jelly. Sample of this research is jelly which added by red roses flower extract. If the data result is have normality, that the data is analysed by Anava one-way test and continue with Duncan’s 5%. Result of this research shown that there was influence of various concentration of red roses flower extract to color stability of anthocyanin jelly. Result test for color stability, the most influence concentration for brightness is 4%, red color is 5%, and yellow color is 0%.
Co-Authors Husamah Husamah Lud Waluyo Moh. Syaifuddin Qomar Ratna Wulandari Sri Wahyuni Sukarsono Sukarsono