Biological activity
Resveratrol derivatif and biological activity
... This research we concluded that resveratrol derivative isolated from the stem bark of Hopea consist of dimer, trimer, and tetramer resveratrol. Some compounds have biological activity as antioxidant and ...
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Biological Activity of Tannins from Acacia mangium Bark Extracted by Diff erent Solvents
... Although it gave higher yield of extract, the addi- tion of sodium sulphite is not recommended to extract tannin if the tannin will be used as feed additive for ruminant. The aqueous acetone (50% acetone) solution is a ...
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Complexes of 2,6-dihydroxybenzoic acid with divalent metal ions: Synthesis, crystal structure, spectral studies, and biological activity enhancement - Widya Mandala Catholic University Surabaya Repository
... the biological prop- erties of DHBA since this compound possesses poor biological ...radical-scavenging activity wherein b 200 μM (30 mg/L) of DHBA was required to decrease by ...
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Isolation, Characterisation and Biological Activity Test of Sea Cucumber Steroid Compound as Natural Aphrodisiac
... of biological effects namely antibacterial, antifungal, cytotoxic, haemolytic and ...know biological activity of the compounds as aphrodisiac, and (4) to do experiment of nanofiltration membrane for ...
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Complexes of 2,6-dihydroxybenzoic acid with divalent metal ions: Synthesis, crystal structure, spectral studies, and biological activity enhancement - Widya Mandala Catholic University Surabaya Repository
... antimicrobial activity was expressed as %inhibition, calculated as: %inhibition ¼ Ic−IcIs 100 where Ic is the absorbance of control and Is is the absorbance of sample at 600 ...
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Directory UMM :Data Elmu:jurnal:I:Insect Biochemistry and Molecular Biology:Vol30.Issue8-9.Sept2000:
... ventional insecticides (Amos et al., 1974; Silhacek et al., 1976). Some IGRs have a very high biological activity (Slama et al., 1971, 1974) and could potentially be inte- grated in other insect pest ...
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QUINOLIN-6-AMINES: SYNTHESIS AND BIOLOGICAL EVALUATION | Panwar | Indonesian Journal of Chemistry 21274 40359 1 PB
... antimicrobial activity. Insecticidal activity performed against Periplaneta ...Insecticidal activity results explored that among the tested compounds 4a-f, compound 4h showed significant insecticidal ...
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ANTIBIOTIC COMPOUND FROM MARINE ACTINOMYCETES ( Streptomyces sp A11 ): ISOLATION AND STRUCTURE ELUCIDATON | Sunaryanto | Indonesian Journal of Chemistry 21464 40550 1 PB
... Dry extract of supernatant and extract of biomass were purified using column chromatography (25 x 500 mm). Stationary phase was used silica gel 60 (Merck, 0.063-0.200 mm). Dry extract was injected on column ...
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Impacts of Forest Harvest on Active Carb
... One of our objectives was to test the effectiveness of active C as a rapid method for determining management impacts on forest soils. Field testing of active C is a simple and inexpensive procedure and has been shown to ...
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Synthesis, Characterization and Antifungal Activity of Some Substituted 4-thiazolidinone Derivatives
... The biological activity of these compounds as fungicides was tested against three commercially known fungicides ...The biological activity of compound (6) was found to be comparable to that of ...
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Staff Site Universitas Negeri Yogyakarta
... Molecular structure of oligoresveratrol have ben found in the Hopea genus included dimer, trimer and tetramer with resveratrol. The structures of the oligoresveratrol isolated contain a heterocyclic ring namely trans ...
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PENGGUNAAN BIOTA LAUT SEBAGAI SUMBER BELAJAR DALAM UPAYA MENINGKATKAN PRESTASI BELAJAR SISWA DALAM BIDANG BIOLOGI KELAS VII-B DI SMP NEGERI 1 SAPEKEN
... The result of this study are average score of cycle I was 77,67 % and got increasy score in cycle II with average wa s 80,05 %. The result of individual test decided there are 12 students’ cannot finish from 36 students’ ...
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Brine shrimp lethality bioassay of selec (2)
... Abstract — Ether extracts of 15 Centaurea L. species (Asteraceae) methanol extracts of 1� species, and cnicin isolated from C. derventana were tested for general bioactivity using the brine shrimp lethality test. Cnicin ...
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Biological Activities of Ethanolic Extracts from Deep-Sea Antarctic Marine Sponges
... antibacterial activities were also assayed against the following characterized strains of different origins: (1) laboratory strains: E. coli HB101, Bacillus subtilis EXB-V68, Enterobacter EXB-V11, P. aeruginosa EXB-V28 ...
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DAFTAR PUSTAKA Aktivitas Antibakteri Ekstrak Etanol Kulit Buah Durian (Durio Zibethinus Murr.) Terhadap Staphylococcus Epidermidis Dan Shigella Sonnei Serta Bioautografinya.
... extract activity from rinds and seeds of native durian (Durio zibethinus) against Escherichia coli and Staphylococcus aureus, African Journal of Microbiology Research, 6 (35), ...
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59 BAB 5 KESIMPULAN DAN SARAN 5.1 Kesimpulan
... Shweta, S., Prakash, C.C. and Kumud, I. 2013, Microwave Irradiation Synthesis of Various Substituted Chalcones Using Various Heterogenous Catalyst under Solvent-Free Condition and their Biological Studies, Chem ...
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Chemical Constituents of Piper Aduncum and Their Inhibitory Effects on Soluble Epoxide Hydrolase and Tyrosinase.
... The leaves of Piper aduncum L. were collected from Coblong-Bandung, West Java, Indonesia in September 2014 and taxonomically identified by the staff at the Her- barium Laboratory, Department of Biology, School of Life ...
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B1J010225 15.
... Correa, F. M., Quintana, A., Duque, C., Suarez, C., Rodriguez, X. M. & Barea, M. J., 2010. Evaluation of Actinomycete Strains for Key Traits Related with Plant Growth Promoting and Mycorrhiza Helping Activity. ...
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