Hanspeter Pfander

3.7k total citations · 1 hit paper
84 papers, 2.6k citations indexed

About

Hanspeter Pfander is a scholar working on Molecular Biology, Biochemistry and Organic Chemistry. According to data from OpenAlex, Hanspeter Pfander has authored 84 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 37 papers in Molecular Biology, 37 papers in Biochemistry and 20 papers in Organic Chemistry. Recurrent topics in Hanspeter Pfander's work include Antioxidant Activity and Oxidative Stress (37 papers), Photosynthetic Processes and Mechanisms (11 papers) and Plant biochemistry and biosynthesis (11 papers). Hanspeter Pfander is often cited by papers focused on Antioxidant Activity and Oxidative Stress (37 papers), Photosynthetic Processes and Mechanisms (11 papers) and Plant biochemistry and biosynthesis (11 papers). Hanspeter Pfander collaborates with scholars based in Switzerland, Hungary and United States. Hanspeter Pfander's co-authors include George Britton, Synnøve Liaaen‐Jensen, Andrea Steck, Frederick Khachik, James C. Smith, Louise M. Canfield, Adriana Zerlotti Mercadante, U. Niggli, Daniel Boscoboinik and Angelo Azzi and has published in prestigious journals such as Analytical Chemistry, Journal of Agricultural and Food Chemistry and Biochemical and Biophysical Research Communications.

In The Last Decade

Hanspeter Pfander

80 papers receiving 2.5k citations

Hit Papers

Carotenoids 2004 2026 2011 2018 2004 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Carotenoids
    2004 504 citations Hanspeter Pfander et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Hanspeter Pfander Switzerland 21 1.3k 1.2k 548 305 292 84 2.6k
József Deli Hungary 27 1.2k 0.9× 1.1k 0.9× 333 0.6× 263 0.9× 405 1.4× 130 2.3k
Bilal Camara France 33 1.6k 1.2× 3.0k 2.5× 87 0.2× 333 1.1× 1.0k 3.6× 51 3.7k
Frederick Khachik United States 32 3.5k 2.6× 2.0k 1.6× 763 1.4× 240 0.8× 487 1.7× 55 4.6k
Hans Kleinig Germany 33 1.0k 0.8× 2.6k 2.1× 90 0.2× 733 2.4× 707 2.4× 111 3.6k
Takao Matsuno Japan 25 775 0.6× 555 0.5× 348 0.6× 288 0.9× 130 0.4× 198 2.5k
Florence Bouvier France 28 1.4k 1.1× 2.7k 2.2× 67 0.1× 271 0.9× 1.1k 3.8× 32 3.3k
George Bailey United States 33 205 0.2× 1.3k 1.0× 265 0.5× 65 0.2× 683 2.3× 88 3.1k
Philippe Matile Switzerland 40 524 0.4× 3.2k 2.6× 147 0.3× 260 0.9× 2.7k 9.2× 76 4.6k
Shan He China 31 206 0.2× 1.2k 1.0× 481 0.9× 195 0.6× 328 1.1× 173 3.0k
Cornelis Erkelens Netherlands 28 172 0.1× 1.4k 1.2× 309 0.6× 84 0.3× 768 2.6× 61 2.5k

Countries citing papers authored by Hanspeter Pfander

Since Specialization
Citations

This map shows the geographic impact of Hanspeter Pfander'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 Hanspeter Pfander with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hanspeter Pfander more than expected).

Fields of papers citing papers by Hanspeter Pfander

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hanspeter Pfander. 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 Hanspeter Pfander. The network helps show where Hanspeter Pfander may publish in the future.

Co-authorship network of co-authors of Hanspeter Pfander

This figure shows the co-authorship network connecting the top 25 collaborators of Hanspeter Pfander. A scholar is included among the top collaborators of Hanspeter Pfander 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 Hanspeter Pfander. Hanspeter Pfander is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Molnár, Péter, József Deli, Ferenc Zsila, et al.. (2004). Preparation and (E/Z)‐Isomerization of the Diastereoisomers of Violaxanthin. Helvetica Chimica Acta. 87(1). 11–27. 13 indexed citations
2.
Renneberg, Dorte, Hanspeter Pfander, & Christian J. Leumann. (2000). Total Synthesis of Coraxeniolide-A. The Journal of Organic Chemistry. 65(26). 9069–9079. 40 indexed citations
3.
Molnár, Péter, József Deli, Zoltán Matus, et al.. (2000). Isolation and characterization of mutatoxanthin-epimers from red paprika ( Capsicum annuum ). European Food Research and Technology. 211(6). 396–399. 3 indexed citations
4.
Pfander, Hanspeter, et al.. (1999). Synthesis of Bixin and Three Minor Carotenoids from Annatto (Bixa orellana). Helvetica Chimica Acta. 82(5). 696–706. 12 indexed citations
5.
Wedekind, Claus, et al.. (1998). Different Carotenoids and Potential Information Content of Red Coloration of Male Three-Spined Stickleback. Journal of Chemical Ecology. 24(5). 787–801. 87 indexed citations
6.
Pfander, Hanspeter, et al.. (1998). Lycopene in Association with α-Tocopherol Inhibits at Physiological Concentrations Proliferation of Prostate Carcinoma Cells. Biochemical and Biophysical Research Communications. 250(3). 582–585. 109 indexed citations
7.
Khachik, Frederick, Andrea Steck, U. Niggli, & Hanspeter Pfander. (1998). Partial Synthesis and Structural Elucidation of the Oxidative Metabolites of Lycopene Identified in Tomato Paste, Tomato Juice, and Human Serum. Journal of Agricultural and Food Chemistry. 46(12). 4874–4884. 37 indexed citations
8.
Khachik, Frederick, et al.. (1997). Identification, Quantification, and Relative Concentrations of Carotenoids and Their Metabolites in Human Milk and Serum. Analytical Chemistry. 69(10). 1873–1881. 396 indexed citations
9.
Pfander, Hanspeter, et al.. (1997). Isolation and Structure Elucidation of Two (Z)-Isomers of Lutein from the Petals of Rape (Brassica napus). Journal of Agricultural and Food Chemistry. 45(11). 4201–4203. 14 indexed citations
10.
Pfander, Hanspeter, et al.. (1997). Isolation and Structure Elucidation of Carotenoid Glycosides from the Thermoacidophilic Archaea Sulfolobus shibatae. Journal of Natural Products. 60(4). 371–374. 17 indexed citations
11.
Molnár, Péter, József Deli, Zoltán Matus, et al.. (1997). Partial Synthesis and Characterization of the Mono‐and Diepoxides of β‐Cryptoxanthin. Helvetica Chimica Acta. 80(1). 221–229. 7 indexed citations
12.
Wolf, Jean‐Pierre & Hanspeter Pfander. (1987). Synthese von ‘D‐Isothreonin’ und ‘L‐Alloisothreonin’ aus L‐Alanin. Helvetica Chimica Acta. 70(1). 116–120. 7 indexed citations
13.
Pfander, Hanspeter, et al.. (1986). Synthese von (all-<i>E</i>,14<i>S</i>)-14,15-Epoxy-14,15-dihydrogeranylgeranial und 1,2-Epoxy-1,2-dihydrophytoen. CHIMIA International Journal for Chemistry. 40(2). 58–58.
14.
15.
Pfander, Hanspeter, et al.. (1984). Synthese von (S)‐Plectaniaxanthin. Helvetica Chimica Acta. 67(5). 1283–1290. 9 indexed citations
16.
17.
Pfander, Hanspeter, et al.. (1980). Trennung von Carotinen und Diterpenen mit Hochleistungsflüssigchromatographie. CHIMIA International Journal for Chemistry. 34(4). 179–179. 1 indexed citations
18.
Pfander, Hanspeter, et al.. (1980). 1,2‐Epoxy‐Carotinoide. 1. Mitteilung. Synthese von 1,2‐Epoxy‐lycopin und 1,2,1′,2′‐Diepoxy‐lycopin. Helvetica Chimica Acta. 63(6). 1367–1376. 12 indexed citations
19.
Pfander, Hanspeter & Matthias Kamber. (1980). 1,2‐Epoxycarotenoids. Synthesis of the 1′,2′‐Epoxides of β,ψ‐ and ε,ψ‐Carotene (= γ‐ and δ‐Carotene, respectively). Helvetica Chimica Acta. 63(7). 1792–1796. 3 indexed citations
20.
Pfander, Hanspeter, et al.. (1974). Carotinoid‐Glycoside. 1. Mitteilung. Partialsynthese und Charakterisierung von Zeaxanthin Mono‐ und Diglucosid. Helvetica Chimica Acta. 57(6). 1641–1651. 14 indexed citations

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.

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