Antioxidant compounds in six apple powder varieties
What it found
Freeze-dried powders from six apple varieties contained seventeen phenolic compounds, and two of them, chlorogenic acid and procyanidin C1, did most of the antioxidant work in lab tests.
What they found
Animal and lab studies
Compounds found
Seventeen phenolic compounds were found in all six apple powders. These included phenolic acids (coumaroylquinic and chlorogenic), flavonoids (quercetin derivatives) and procyanidin derivatives (B1, B2 and C1).
Antioxidant values
Trolox equivalent values ranged from 7.72 to 20.02 micromoles per gram of dry weight in the FRAP assay, and from 11.10 to 21.42 in the ABTS assay.
Best variety
The Aldas cultivar had the greatest Trolox equivalent values of the six varieties tested.
Main contributors
Chlorogenic acid and procyanidin C1 contributed most to the total reducing and radical scavenging activity in every apple cultivar tested. The authors suggest these two compounds could be used as markers of antioxidant activity.
What the authors conclude
“Chlorogenic acid and procyanidin C1 were the most significant contributors to total reducing and radical scavenging activity in all apple cultivars tested, therefore they could be considered as markers of antioxidant activity.”
Also in their conclusions
- They report that chlorogenic acid and procyanidin C1 were the most significant contributors to antioxidant activity in all the apple cultivars tested.
- They suggest these two compounds "could be considered as markers of antioxidant activity."
How it was done
The researchers made freeze-dried powders from six apple varieties: Aldas, Auksis, Connel Red, Ligol, Lodel and Rajka. They identified the phenolic compounds in each powder and measured its reducing and radical scavenging activity in lab tests.
What it can’t tell you
- We summarised it from the abstract only.
- These were lab tests on apple powders, not studies in people. They can't show what these compounds do inside the body after an apple is eaten.
- The antioxidant activity was measured in test tubes, so it doesn't show a health effect in people.
Who paid
- Authors work at
- Lithuanian Research Centre for Agriculture and Forestry, Lithuania
The paper
- Title
- Phenolic Profiles and Contribution of Individual Compounds to Antioxidant Activity of Apple Powders
- Type
- Study
- Evidence
- Animals and lab studies
- Summarised from
- Abstract only
- Cite
- Raudone L, Raudonis R, Liaudanskas M, Viskelis J, Pukalskas A, Janulis V (2016). Phenolic Profiles and Contribution of Individual Compounds to Antioxidant Activity of Apple Powders. Journal of food science. doi:10.1111/1750-3841.13277PubMed 27002313DOI
Summary written 26 Sep 2026. Check it against the paper before it changes what you eat. How we summarise papers · Report an error