I. Kölling‐Speer

703 citations
17 papers · 494 indexed · h-index 8
Topics
Coffee research and impacts (7 papers)Bee Products Chemical Analysis (3 papers)Dental Erosion and Treatment (3 papers)
Partner nations
Germany

In The Last Decade

I. Kölling‐Speer

16 papers receiving 472 citations

Peers

I. Kölling‐Speer
Comparison fields: 5 of 79
  • Pharmacology 308
  • Food Science 163
  • Pathology and Forensic Medicine 113
  • Plant Science 54
  • Molecular Biology 52
Replace Koji TAKEYA with:
Koji TAKEYA Japan
Yun-Jung Hsieh Taiwan
Zaixiang Lou China
K. R. Khandelwal India
Amarilis Scremin Brazil
Elis Daiane Pauli Brazil
Abed Koohpayeh Iran
Wenping Lv China
Alok Mukerjee India
Artem G. Veiko Belarus
I. Kölling‐Speer relative to Koji TAKEYA Japan Koji TAKEYA's profile →
Citations per field
00.5×10×12.7×
Koji TAKEYA · 1×
Citations per year

Countries citing papers authored by I. Kölling‐Speer

Since Specialization
Citations

This map shows the geographic impact of I. Kölling‐Speer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by I. Kölling‐Speer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites I. Kölling‐Speer more than expected).

Fields of papers citing papers by I. Kölling‐Speer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by I. Kölling‐Speer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by I. Kölling‐Speer. The network helps show where I. Kölling‐Speer may publish in the future.

Co-authorship network of co-authors of I. Kölling‐Speer

This figure shows the co-authorship network connecting the top 25 collaborators of I. Kölling‐Speer. A scholar is included among the top collaborators of I. Kölling‐Speer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with I. Kölling‐Speer. I. Kölling‐Speer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

17 of 17 papers shown
#WorkIndexed citations
1 3
2 45
3 26
4 8
5 11
6 48
7
Effect of the water feeding onto the brew and the filter cake using a household coffee maker.
1
8
Secokahweol - a new diterpene degradation product in roasted coffee.
4
9
Tocopherols in green coffees harvested in different years.
6
10
Diterpenes in green coffees harvested in different years.
4
11 284
12
Chromatography of carbonic acid-5-hydroxytryptamides.
0
13
Effects of controlled storage on the lipid fraction of green Arabica coffee beans.
10
14
16-O-methylcafestol in the quality control of instant coffees.
1
15
Two new diterpenes in roasted coffee.
2
16 1
17 40

About I. Kölling‐Speer

I. Kölling‐Speer is a scholar working on Orthodontics, Periodontics and Pharmacology, having authored 17 papers that have together received 494 indexed citations. Recurring topics across this work include Coffee research and impacts (7 papers), Bee Products Chemical Analysis (3 papers) and Dental Erosion and Treatment (3 papers). The work is most often cited by research in Pharmacology (308 citations), Periodontics (46 citations) and Food Science (163 citations). I. Kölling‐Speer has collaborated with scholars based in Germany. Frequent co-authors include Karl Speer, Christian Hannig, Matthias Hannig, Eva Herrmann, Sabine Basche and Jasmin Kirsch. Their work appears in journals such as Journal of Agricultural and Food Chemistry, International Journal of Molecular Sciences and Molecules.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Rankless by CCL
2026