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ANALISIS KANDUNGAN METABOLIK SEKUNDER PADA DAUN KENIKIR (Cosmos Caudatus Kunth.) DENGAN PELARUT METANOL, ETANOL, DAN ETIL ASETAT Masitah, Masitah; Pribadi, Teguh; Pratama, Mohammad Indra; Harrist, Reynaldi Ferdhani; Sari, Prita Asminitya; Dianita, Feby; Setiawan, Volta Kellik
BIOEDUKASI: Jurnal Pendidikan Biologi Vol 14, No 2 (2023): BIOEDUKASI, NOVEMBER 2023
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/bioedukasi.v14i2.7805

Abstract

Cosmos Caudatus Kunth. is one of the most commonly found medicinal plants.   Cosmos leaves contain phytochemical compounds such as terpenoids, fatty acids, flavonoids, alkaloids, tannins, and saponins. This study aims to determine the effect of differences in methanol, ethanol, and ethyl acetate solvents on the phytochemical tests of  Cosmos leaf samples. The study was conducted in the Biology Education Laboratory, Faculty of Teacher Training and Education, Mulawarman University, as well as the Organic Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Mulawarman University. Qualitative phytochemical screening is conducted by assessing the solubility qualities of the substances. The findings from the examination of secondary metabolic chemicals indicate that the methanol extract derived from Cosmos leaves comprises alkaloids, triterpenoids, flavonoids, phenolics, and quinones. While the ethanol extract of Cosmos leaves contains alkaloids, flavonoids, saponins, phenolics, and quinones. There is an ethyl acetate extract of Cosmos leaves, alkaloids, steroids, flavonoids, phenolics, and quinones.
ANALISIS BAKTERI Coliform, Esherichia coli, dan Salmonella sp. PADA OLAHAN MAKANAN MANDAI DARI KULIT BUAH CEMPEDAK (Artocarpus integer) DI KOTA SAMARINDA Dianita, Feby; Akhmad; Sari, Eadvin Rosrinda Awang
BIOLOVA Vol. 6 No. 2 (2025): Volume 6 Nomor 2 Agustus 2025
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/biolova.v6i2.6159

Abstract

Mandai is a fermented food traditionally made from the skin of cempedak fruit. Mandai is one of the typical foods originating from East Kalimantan and South Kalimantan which is usually used as a side dish. However, in the process of processing mandai, food handlers are still in direct contact with the body. This study aims to determine microbial contamination in processed mandai food and to recognize good food safety standards. The research method used was laboratory experimental with MPN, ALT, and Salmonella bacteria tests. The data obtained were analyzed descriptively and compared with SNI 01.2600.1992 and BPOM number 13 of 2019 regarding the limit of microbial contamination in processed food. The results showed that the five samples of mandai from 2-day-old cempedak skin sold in Samarinda city did not meet the requirements, namely the number of coliforms 1100 to >2400 and positive for E.coli and Enterobacter sp. Based on the ALT test, the five samples of 2-day-old mandai did not meet the requirements, which ranged from 1.2 × 108 to 5.3 × 108. All five mandai samples were negative for Salmonella sp.