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Comparison of antioxidant, antimicrobial activities and chemical profiles of three coffee (Coffea arabica L.) pulp aqueous extracts

Overview of attention for article published in Integrative Medicine Research, October 2016
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Title
Comparison of antioxidant, antimicrobial activities and chemical profiles of three coffee (Coffea arabica L.) pulp aqueous extracts
Published in
Integrative Medicine Research, October 2016
DOI 10.1016/j.imr.2016.09.001
Pubmed ID
Authors

Acharaporn Duangjai, Nungruthai Suphrom, Jukkrit Wungrath, Atcharaporn Ontawong, Nitra Nuengchamnong, Atchariya Yosboonruang

Abstract

This study explored the bioactivities and nutrient compositions of coffee (Coffea Arabica L.) pulp which was prepared in three different ways [Coffee Pulp Extracts (CPE) 1-3]. The coffee pulp was prepared in three different ways by distinct selecting and freezing processes. The nutritional values, polyphenol contents, antioxidant activity, and antibacterial properties of the coffee pulp as well as the characterization of the active ingredients by liquid chromatography-electrospray ionization-quadrupole-time-of-flight mass spectrometry (LC-ESI-Q-TOF-MS) were evaluated. The chemical profiles of three aqueous extracts were compared and characterized using LC-ESI-QTOF-MS. They showed slightly different nutrient compositions. The total phenolic content was highest in CPE1, and decreased in the following order: CPE1 > CPE2 > CPE3. Among the CPEs tested, CPE1 showed the most potent antioxidant activity with IC50 18 μg/mL and 82 μg/mL by 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) and 1,1-diphenyl-2-picryl-hydrazyl assay, respectively. Chlorogenic acid and caffeine were the most prominent in CPE1 and it contained more compounds than the others. Moreover, CPE1 demonstrated antibacterial activity against both gram-positive (Staphylococcus aureus and Staphylococcus epidermidis) and gram-negative bacteria (Pseudomonas aeruginosa and Escherichia coli). These findings indicated that CPE1 has powerful nutrients with antioxidant and antibacterial properties-the potency of which is impacted by the preparation process.

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The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 348 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Indonesia 1 <1%
Brazil 1 <1%
Unknown 346 99%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 60 17%
Student > Master 49 14%
Researcher 22 6%
Student > Ph. D. Student 19 5%
Student > Doctoral Student 13 4%
Other 53 15%
Unknown 132 38%
Readers by discipline Count As %
Agricultural and Biological Sciences 58 17%
Chemistry 28 8%
Biochemistry, Genetics and Molecular Biology 25 7%
Engineering 25 7%
Pharmacology, Toxicology and Pharmaceutical Science 15 4%
Other 52 15%
Unknown 145 42%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 September 2021.
All research outputs
#16,048,009
of 25,374,917 outputs
Outputs from Integrative Medicine Research
#219
of 373 outputs
Outputs of similar age
#192,542
of 326,621 outputs
Outputs of similar age from Integrative Medicine Research
#1
of 3 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 373 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.1. This one is in the 38th percentile – i.e., 38% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 326,621 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 38th percentile – i.e., 38% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 3 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them