Results 31 to 40 of about 534,947 (314)

Extraction of Anthocyanins and Total Phenolic Compounds from Acai (Euterpe oleracea Mart.) Using an Experimental Design Methodology. Part 2: Ultrasound-Assisted Extraction [PDF]

open access: yes, 2020
Two optimized methods for ultrasound-assisted extraction were evaluated for the extraction of two types of acai bioactive compounds: Total anthocyanins (TAs) and total phenolic compounds (TPCs).
Aliaño González, María José   +7 more
core   +1 more source

Biological Activities of Extracts from Sumac (Rhus spp.): A Review [PDF]

open access: yes, 2007
Sumac is the common name for a genus (Rhus) that contains over 250 individual species of flowering plants in the family Anacardiaceae. These plants are found in temperate and tropical regions worldwide, often grow in areas of marginal agricultural ...
Giuseppe Mazza, Sierra Rayne
core   +2 more sources

Bioactive Compounds from Marine Heterobranchs [PDF]

open access: yesMarine Drugs, 2020
The natural products of heterobranch molluscs display a huge variability both in structure and in their bioactivity. Despite the considerable lack of information, it can be observed from the recent literature that this group of animals possesses an astonishing arsenal of molecules from different origins that provide the molluscs with potent chemicals ...
Conxita Avila, Carlos Angulo-Preckler
openaire   +5 more sources

Purification and structure elucidation of three naturally bioactive molecules from the new terrestrial Streptomyces sp. TN17 strain [PDF]

open access: yes, 2011
Thirty litres of fermentation broth was extracted from the newly isolated Streptomyces sp. strain TN17 and various separation and purification steps led to the isolation of three pure bioactive compounds (1–3).
Coppel, Yannick   +5 more
core   +2 more sources

Identification and characteristics of MYB4 transcription factor related to regulation of abiotic stress tolerance in peanut

open access: yesTạp chí Khoa học Đại học Huế: Khoa học Tự nhiên
Peanut (Arachis hypogaea L.), an economically valuable crop, provides protein and oil for human and animal consumption. The transcription factor MYB4 has been identified as a potential drought tolerance gene in peanut.
Hoang Kha, Quang Duc Tien Nguyen
doaj   +1 more source

Reprogramming of the Caseinolytic Protease by ADEP Antibiotics: Molecular Mechanism, Cellular Consequences, Therapeutic Potential

open access: yesFrontiers in Molecular Biosciences, 2021
Rising antibiotic resistance urgently calls for the discovery and evaluation of novel antibiotic classes and unique antibiotic targets. The caseinolytic protease Clp emerged as an unprecedented target for antibiotic therapy 15 years ago when it was ...
Heike Brötz-Oesterhelt   +2 more
doaj   +1 more source

Evaluation of the Antimicrobial Activity of Endophytic Bacterial Populations From Chinese Traditional Medicinal Plant Licorice and Characterization of the Bioactive Secondary Metabolites Produced by Bacillus atrophaeus Against Verticillium dahliae [PDF]

open access: yes, 2018
Endophytic bacteria associated with medicinal plants possess unique strategies that enhance growth and suvival of host plants, many of which are mediated by distinctive secondary metabolites.
Guo, Jian-Wei   +9 more
core   +4 more sources

De novo biosynthesis of garbanzol and fustin in Streptomyces albus based on a potential flavanone 3‐hydroxylase with 2‐hydroxylase side activity

open access: yesMicrobial Biotechnology, 2021
Summary Flavonoids are important plant secondary metabolites, which were shown to have antioxidant, anti‐inflammatory or antiviral activities. Heterologous production of flavonoids in engineered microbial cell factories is an interesting alternative to ...
Laura Marín   +3 more
doaj   +1 more source

Epidemiologic Profile of Severe Acute Respiratory Infection in Brazil During the COVID-19 Pandemic: An Epidemiological Study

open access: yesFrontiers in Microbiology, 2022
BackgroundThe COVID-19 is a significant public health issue, and monitoring confirmed cases and deaths is an essential epidemiologic tool. We evaluated the features in Brazilian hospitalized patients due to severe acute respiratory infection (SARI ...
Nathália Mariana Santos Sansone   +4 more
doaj   +1 more source

Bioactive Compounds From Torbangun [Plectranthus Amboinicus (Lour.) Spreng] Chloroform Fraction Induce Apoptosis in Breast Cancer (Mcf-7 Cells) in Vitro [PDF]

open access: yes, 2017
Torbangun (Plectranthus amboinicus (Lour.) Spreng) is a medicinal plant that has been traditionally used in tropical countries to cure various illnesses.
Andarwulan, N. (Nuri)   +3 more
core  

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