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Browsing Chemical by Author "Devi, Silvera"

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ANALISIS AKTIVITAS ENZIM AMILASE PRODUKSI JAMUR TERMOFILIK Aspergillus sp. LBKURCC304 DENGAN SUMBER KARBON BERBEDA

Sitompul, Lorena Omega; Saryono, Saryono (perpustakaan UR, 2021-08)

Thermophilic amylase is great demand in industrial processes and biotechnology. The production of amylase can be affected by carbon sources. In this study, the production of amylase was carried out by Aspergillus sp. ...
ANALISIS INHIBISI DARI INFUSA DAUN DOLAR RAMBAT (Ficus pumila) DAN DAUN JAMBU BIJI (Psidium guajava) TERHADAP AKTIVITAS α-AMILASE

Fresga, Roy; Dahliaty, Andi; Devi, Silvera (2016-10-12)

α-Amylase is an enzyme that serves as a catalyst of starch hydrolysis to produce maltose in the digestive system. Inhibition of this enzyme can reduce blood glucose levels, especially in type 2 diabetic patients. Thus, the ...
ANALISIS PRODUKSI ENZIM AMILASE DARI JAMUR TERMOFILIK Aspergillus sp. LBKURCC304 STRAIN LOKAL BUKIK GADANG SUMATERA BARAT

Fadhila, Widylia Fitri (2020-10)

Amylase is an enzyme that hydrolyzes of starch into reducing sugars and can be produced from the fermentation process by several microorganisms, including the thermophilic fungus of Aspergillus sp. LBKURCC304. Thermophilic ...
ANALISIS TIGA METODE PENENTUAN AKTIVITAS ENZIM α-AMILASE

Az Zahra, Elmerrillia Sylvia Haning (2021-03)

The enzyme activity as a biocatalyst can be calculated based on the number of moles of the substrate that is hydrolyzed into product per unit time (Iodine method), or the number of moles of product produced per unit time ...
EFISIENSI ADSORPSI ARANG AKTIF DARI CANGKANG KELAPA SAWIT (Elaeis guineensis Jacq.) SEBAGAI ADSORBEN Escherichia coli DENGAN METODE BATCH

Andini, Jumika (Elfitra, 2023-11)

Palm shell charcoal (Elaeis guineensis Jacq.) has the potential to be used as an adsorbent to adsorb Escherichia coli (E. coli), however its adsorption efficiency is relatively small. Therefore, to increase its adsorption ...
EFISIENSI ADSORPSI Escherichia coli MENGGUNAKAN ARANG AKTIF CANGKANG KELAPA SAWIT (Elaeis guineensis Jacq.) DENGAN METODE KONTINU

Anggraini, Dewi Sri (Elfitra, 2023-11)

Palm shells (Elaeis gueneensis Jacq.) is one of the materials that can be used as a good raw material for making active charcoal. Active charcoal can be used as an adsorbent for metals, non-metals and organic compounds. ...
OPTIMALISASI pH PRODUKSI ENZIM AMILASE BAKTERI ENDOFITIK Pseudomonas stutzery LBKURCC46

Marsiti; Devi, Silvera; Saryono (2016-10-19)

Amylase is an hydrolase enzyme which hydrolyze starch into maltose and glucose. Amylase has been produced by Pseudomanas stutzery LBKURCC45, LBKURCC46, and LBKURCC55, the endophytic bacteria. Amylase activity was determined ...
OPTIMALISASI pH PRODUKSI ENZIM AMILASE BAKTERI ENDOFITIK Pseudomonas stutzery LBKURCC53

Fitriyanti; Devi, Silvera; Saryono (2016-10-19)

Pseudomonas stutzery LBKURCC49, LBKURCC51 and LBKURCC53 are local endofitic bacteria that can produce amylase. Amylase is an enzyme which hydrolyze amilum into maltose and glucose by breaking down the α-1,4 glycosidic ...
OPTIMASI PRODUKSI ENZIM AMILASE TERMOFILIK Aspergillus sp. LBKURCC304 DENGAN VARIABEL JENIS SUMBER NITROGEN DAN MINERAL DALAM MEDIA CAIR

Rahmawati, Nur Anis (Elfitra, 2022-07)

Thermophilic amylase is an enzyme that is widely used in biotechnology and industry, because it can be used at high temperatures. Nitrogen is an important component that affects the metabolism of microorganisms in producing ...
OPTIMASI SUHU KARBONISASI DAN WAKTU KONTAK ADSORPSI ARANG TEMPURUNG KELAPA (Cocos nucifera L.) TERHADAP Escherichia coli

Fauziah, Miftahul (Elfitra, 2023-08)

Coconut shell (Cocos nucifera L.) is one of the materials that can be used as a good raw material for making charcoal. Charcoal can be used as an adsorbent for metals, non-metals, and organic compounds. In this study, ...
PENENTUAN KADAR TOTAL FLAVONOID DAN FENOLIK DARI TUMBUHAN PAKU SAYUR (Diplazium esculentum)

Rambah, Tiara Mulyani (Elfitra, 2023-07)

Diplazium esculentum is one of the species belonging to the Athyriaceae family which can be used as a medicinal plant. D. esculentum fern samples were extracted by maceration method using methanol solvent and followed ...
PRODUKSI SELULASE DARI BAKTERI ENDOFIT Pseudomonas stutzeri LBKURCC 54 DAN LBKURCC 59 MENGGUNAKAN SELULOSA POPOK BAYI SECARA FERMENTASI PADAT

Amelia, Silfi; Devi, Silvera; Dahliaty, Andi (2016-05-16)

Disposable diapers are made of cotton containing cellulose and can be used for the production of cellulase by solid state fermentation. Cellulase is an enzyme that can hydrolyze the β-1,4 glicosidic of cellulose and ...
SELEKSI 16 ISOLAT BAKTERI ENDOFIT PENGHASIL SELULASE DARI AKAR MANGROVE Bruguiera sp

Sari, Raja Putri Indah (2021-01)

Cellulase enzymes are enzymes that have many benefits both in vitro and in vivo. In vitro, this enzyme is used as a biocatalyst for certain reactions in industry, while in vivo it can be used to convert cellulose waste ...
SELEKSI 24 ISOLAT BAKTERI ENDOFIT SEBAGAI PENGHASIL SELULASE DARI AKAR MANGROVE Ceriops tagal (Perr) C. B. Rob

Syari, Alfika; Devi, Silvera (2020-01)

Endophytic bacteria from mangroves have the potential to produce cellulase enzymes. The application of cellulase enzymes in vivo and in vitro is relatively large, so that research to obtain isolates capable of producing ...
SELEKSI DAN UJI AKTIVITAS SELULASE ISOLAT BAKTERI ENDOFIT LBKURCC 364 s/d 391 DARI AKAR MANGROVE KABUPATEN BENGKALIS

Haryani, Lia (Elfitra, 2022-04)

The Laboratory of Enzyme, Fermentation and Biomolecular Research, Faculty of Mathematics and Natural Sciences, Riau University has a collection of endophytic bacterial isolates from Mangrove roots in Sei Pakning Jetty ...
SELEKSI DAN UJI AKTIVITAS SELULASE ISOLAT BAKTERI ENDOFIT LBKURCC 392 s/d 418 DARI AKAR MANGROVE KABUPATEN BENGKALIS

Prananda, Shyntia Sukma (Elfitra, 2022-04)

Endophytic bacteria from mangrove roots have the potential to produce cellulase enzymes. In this study, 27 isolates of endophytic bacteria from mangrove roots were selected from the collection of the Enzyme, Fermentation ...
UJI ANTIDIABETES EKSTRAK ETIL ASETAT TUMBUHAN PAKU KELAKAI (Stenochlaena palustris)

Prananda, Adam (Elfitra, 2023-06)

Kelakai, also known as Stenochlaena palustris, is a fern that is commonly used as a medicinal plant for its antioxidant, antimicrobial, antianemia, and antidiabetic properties. The purpose of this study was to observe ...
UJI INFUSA BAWANG PUTIH, DAUN MANGKOKAN DAN TEMU GIRING SEBAGAI INHIBITOR ENZIM α-AMILASE

Elpilasari, Sisca; Devi, Silvera; Nasution, Musyirna Rahmah (2016-10-19)

The objective of this study were to determine in-vitro α-amylase inhibitory activities of aqueous extracts (infusa) from medicinal plants, i.e., garlic (Allium sativum L.), mangkokan leaves (Nothopanax scutellarium Merr.), ...
UJI INFUSA DAUN ASAM JAWA, HERBA BENALU API DAN HERBA PUTRI MALU SEBAGAI INHIBITOR ENZIM α-GLUKOSIDASE

Jannah, Ninuk Rodhiatul; Devi, Silvera; Nasution, Musyirna Rahmah (2016-10-12)

Diabetes mellitus is a metabolic disorder that has become a serious problem in the world, especially type 2 diabetes mallitus. Prevention of type 2 diabetes mellitus could be done by inhibiting α-glucosidase enzyme in order ...

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