Browsing Others by Author "Usman, Usman"
Now showing items 41-60 of 186
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An Evaluation of the Antidiabetic and Antimicrobial Activity of an Ethanolic Extract from Rhizophora mucronata Leaf
Usman, Usman; Pintaka, Kusumaningtyas; Sukemi, Sukemi; Erwin, Erwin (JSK Fakultas Farmasi Unmul, 2023-08)The aim of this research was to determine the antidiabetic and antimicrobial properties of ethanolic extract of Rhizophora mucronata leaves, as well as the phytochemical elements contained in the leaf extract. Extracts ... -
An Evaluation of the Antidiabetic and Antimicrobial Activity of an Ethanolic Extract from Rhizophora mucronata Leaf
Usman, Usman; Pintaka, Kusumaningtyas; Sukemi, Sukemi; Erwin, Erwin (JSK Farmasi Unmul Samarinda, 2023-08)The aim of this research was to determine the antidiabetic and antimicrobial properties of ethanolic extract of Rhizophora mucronata leaves, as well as the phytochemical elements contained in the leaf extract. Extracts ... -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
Erwin, Erwin; Pusparohmana, Widar R.; Sari, Indah P.; Hairani, Rita; Usman, Usman (2019)Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ... -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
Erwin, Erwin; Pusparohmana, Widar R.; Sari, Indah P.; Hairani, Rita; Usman, Usman (F1000Research,, 2019-12-01)Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ... -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
Erwin, Erwin; Widar Ristiyani, Pusparohmana ,; Indah Permata, Sari ,; Rita, Hairani ,; Usman, Usman (F1000 Research, 2019-12-20)Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ... -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
Erwin, Erwin ,; Widar Ristiyani, Pusparohmana ,; Indah, Permata Sari ,; Rita, Hairani ,; Usman, Usman (F1000, 2019-12)Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ... -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
Usman, Usman (2019-12) -
GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa).
Usman, Usman (2022-06-24) -
Ijasah S3 (Doktor)
Usman, Usman (Universitas Hasanuddin, 2014-09-10) -
Indikator Asam Basa Alami dari Ekstrak Etanol Pucuk Daun Pucuk Merah
Usman, Usman (JPKP (Jurnal Kimia dan Pendidikan Kimia), 2017-12-31)Praktikum indikator asam basa alami biasanya dilakukan dengan mengekstrak bahan alam dengan pelarut tertentu, menguji ekstrak dengan berbagai macam larutan asam, basa dan netral, mencatat perubahan warnanya, menyimpulkan ... -
Indikator Asam Basa Alami dari Ekstrak Etanol Pucuk Daun Pucuk Merah.
Usman, Usman (2022-06-20) -
Inhibitory Activity of Candida albicans Fungi by Acetone Extract of the Lichen Usnea sp.
Maulidiyah, Maulidiyah; Prima Endang, Susilowati; Saprin, Saprin; Lilis, Diraa; Muhammad, Natsir; Usman, Usman; Nurlansi, Nurlansi; Muhammad, Nurdin (AIP Conference Proceedings, 2023-05-02)Lichen is a unique organism that produces various organic compounds such as primary and secondary metabolites. In this study, we focused on reporting the growth inhibitory activity of Candida albicans fungi by acetone ... -
Integration of Water Treatment Knowledge Using SETS Approach in Online Chemistry Learning to Improve Chemical Literacy of Students on the Aspect of Knowledge and Context
Pintaka, Kusumaningtyas; Sihol Dwijaya, Gultom; Usman, Usman; Nisaa Ul, Khoiriyyah (AIP Conference Proceedings 2642, 090007 (2023), 2023-01-11) -
ISOLATION AND CHARACTERIZATION OF STIGMASTEROL AND -SITOSTEROL FROM WOOD BARK EKSTRACT OF Baccaurea macrocarpa Miq. Mull. Arg.
Erwin, Erwin; W. R., Pusparohmana; R.D., Safitry; E. Marliana; Usman, Usman; I.W. Kusuma (Rasayan J. Chem, 2019-11)Baccaurea macrocarpa Miq. Mull. Arg. (known locally as Tampoi) is one of the edible fruit plants found in the forests of Borneo. The crude extract of wood bark of Tampoi was partitioned with n-hexane and ethyl acetate ... -
ISOLATION AND CHARACTERIZATION OF STIGMASTEROL AND BETA-SITOSTEROL FROM WOOD BARK EXTRACT OF
Erwin, Erwin; Pusparohmana, Widar R.; Safitry, Rizka D.; Marliana, Eva; Usman, Usman; Kusuma, Irawan W. (Rasayan Journal, 2020-12-01)Baccaurea macrocarpa Miq. Mull. Arg. (known locally as Tampoi) is one of the edible fruit plants found in the forests of Borneo. The crude extract of wood bark of Tampoi was partitioned with n-hexane and ethyl ... -
ISOLATION AND CHARACTERIZATION OF STIGMASTEROL AND BETA-SITOSTEROL FROM WOOD BARK EXTRACT OF Baccaurea macrocarpa Miq. Mull. Arg
Erwin, Erwin; Pusparohmana, Widar R.; Safitry, Rizka D.; Marliana, Eva; Usman, Usman; Kusuma, Irawan W. (Rasayan Journal, 2020-12-01)Baccaurea macrocarpa Miq. Mull. Arg. (known locally as Tampoi) is one of edible fruit plants found in the forests of Borneo. The crude extract of wood bark of Tampoi was partitioned with n-hexane and ethyl acetate successively ... -
ISOLATION AND CHARACTERIZATION OF STIGMASTEROL AND -SITOSTEROL FROM WOOD BARK EXTRACT OF Baccaurea macrocarpa Miq. Mull. Arg
Usman, Usman (http://www.rasayanjournal.co.in, 2020-10-20)Baccaurea macrocarpa Miq. Mull. Arg. (known locally as Tampoi) is one of the edible fruit plants found in the forests of Borneo. The crude extract of wood bark of Tampoi was partitioned with n-hexane and ethyl acetate ... -
Isolation of Natural Derivated Steroidal from Bark Stem of Melochia umbellata (Houtt) Stapf var. degrabrata K
Usman, Usman (Korespondensi Artikel pada Asian Journal of Chemistry 2020, 2020-02)