Dimerization of 2-Allyphenol Using Peroxidase Enzyme as a Catalyst
At high concentrations free radicals can be hazardous and damage major components of cells. Some environmental toxins may contain high levels of free radicals or stimulate the cells body to produce…
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- 1742
Dimerization of 2-Allylphenol Using Heterogeneous Superbase Catalyst Na/Naoh-…
2-allylphenol is a compound that is classified in phenolic group and could be a potential to have antioxidant activity. Reacting the 2-allylphenol and superbase catalyst Na/NaOH/?├¡ΓÇÜ├óΓ…
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- 1747
Identification of Antioxidant Components Trough Multi Stages Extraction of th…
The total antioxidant and phenolic content of the butterfly pea petals extracted through multi-stages extraction of hexane, acetone, ethanol, methanol and water were observed. Ethanol was able to e…
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- 1754
Evaluation of Antioxidant and Antimicrobial Activities of Tropical Fruit Peel…
The ethanolic peel extract of five different fruits i.e. mangosteen, custard apple, passion fruit, pomelo and rambutan were analyzed for their antioxidant activity, total phenolic content, flavonoi…
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- 1765
The Development of Butterfly Pea Flower Snack Using Vacuum Frying Process
There has been an increased of interest in the development of food product from natural sources. Butterfly pea flower known for its anthocyanins content, that is believed on a broad variety of heal…
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- 1769
Development of Butterfly Pea Flower as Condiment for Snack Product
The purposes of this thesis were to develop a condiment using the butterfly pea flower and check its stability in 1 month shelf-life storage. the study searched for an appropriate drying method, co…
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- 1772
Characterization and antioxidant activity of gallic acid derivative
Peroxidase enzyme was used to catalyze the dimerization process of gallic acid. The structure of the dimerization product was characterized by TLC
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- 2616
Comparison of conventional and ultrasound-assisted extraction antioxidant ext…
Coffee Silverskin (CS) is a waste produced during coffee roasting process
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- 2267
Study of functional properties of phytochemicals in coffee pulp extract
This study aims to optimize extraction of coffee pulp using distilled water as solvent and observe the antimicrobial activity of coffee pulp powder extract as well as the stability of the powder ex…
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- 3107
Antioxidant activities of biodiesel additives
Biodiesel is a renewable alternative fuel that can be used in a diesel engine. But due to biodiesel characteristics that it is prone to oxidation, it will reduce the biodiesel quality. To address b…
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- 3079
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