The Tropical Journal of Natural Product Research is open access, peer-reviewed international journal aimed at making important contributions in the field of Natural Product Research, Pharmaceutical and Natural Sciences. The journal covers all aspects of Pharmaceutical research, chemistry and biochemistry of naturally occurring compounds, ethnomedicine, ethnopharmacology, pharmacognosy, biomedical research, biotechnology and related disciplines. The journal welcome submissions from a broad spectrum of scientific endeavour involving biological evaluation of natural substances of plant, microbial and animal origin against different disease targets, processes or therapeutic strategies that can lead to or assist in the prevention and management of chronic and infectious diseases, clinical therapeutics, Isolation and characterization of metabolites, structure elucidation, synthesis and experimental biosynthesis of natural Product as well as developments of methods in these areas. Research papers in the fields of chemistry-biology boundary, e.g. fermentation chemistry, plant tissue culture investigations etc. are also welcomed. Although the journal focuses mainly on original research articles, timely, concise and focused reviews on recent progress in active areas of natural Product is also encouraged.
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Quartiles
The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.
Category
Year
Quartile
Analytical Chemistry
2019
Q4
Analytical Chemistry
2020
Q4
Analytical Chemistry
2021
Q4
Analytical Chemistry
2022
Q4
Analytical Chemistry
2023
Q4
Analytical Chemistry
2024
Q4
Biochemistry
2019
Q4
Biochemistry
2020
Q4
Biochemistry
2021
Q4
Biochemistry
2022
Q4
Biochemistry
2023
Q4
Biochemistry
2024
Q4
Complementary and Alternative Medicine
2019
Q4
Complementary and Alternative Medicine
2020
Q4
Complementary and Alternative Medicine
2021
Q4
Complementary and Alternative Medicine
2022
Q4
Complementary and Alternative Medicine
2023
Q4
Complementary and Alternative Medicine
2024
Q3
Drug Discovery
2019
Q4
Drug Discovery
2020
Q4
Drug Discovery
2021
Q4
Drug Discovery
2022
Q4
Drug Discovery
2023
Q4
Drug Discovery
2024
Q4
Molecular Medicine
2019
Q4
Molecular Medicine
2020
Q4
Molecular Medicine
2021
Q4
Molecular Medicine
2022
Q4
Molecular Medicine
2023
Q4
Molecular Medicine
2024
Q4
Pharmaceutical Science
2019
Q3
Pharmaceutical Science
2020
Q4
Pharmaceutical Science
2021
Q4
Pharmaceutical Science
2022
Q3
Pharmaceutical Science
2023
Q3
Pharmaceutical Science
2024
Q3
Pharmacology
2019
Q4
Pharmacology
2020
Q4
Pharmacology
2021
Q4
Pharmacology
2022
Q4
Pharmacology
2023
Q4
Pharmacology
2024
Q4
SJR
The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from
It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.
Year
SJR
2019
0.133
2020
0.127
2021
0.128
2022
0.155
2023
0.177
2024
0.217
Total Documents
Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.
Year
Documents
2017
52
2018
95
2019
57
2020
192
2021
320
2022
325
2023
423
2024
516
Citations per document
This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.
Cites per document
Year
Value
Cites / Doc. (4 years)
2017
0.000
Cites / Doc. (4 years)
2018
0.173
Cites / Doc. (4 years)
2019
0.197
Cites / Doc. (4 years)
2020
0.348
Cites / Doc. (4 years)
2021
0.331
Cites / Doc. (4 years)
2022
0.580
Cites / Doc. (4 years)
2023
0.853
Cites / Doc. (4 years)
2024
1.094
Cites / Doc. (3 years)
2017
0.000
Cites / Doc. (3 years)
2018
0.173
Cites / Doc. (3 years)
2019
0.197
Cites / Doc. (3 years)
2020
0.348
Cites / Doc. (3 years)
2021
0.334
Cites / Doc. (3 years)
2022
0.598
Cites / Doc. (3 years)
2023
0.828
Cites / Doc. (3 years)
2024
1.151
Cites / Doc. (2 years)
2017
0.000
Cites / Doc. (2 years)
2018
0.173
Cites / Doc. (2 years)
2019
0.197
Cites / Doc. (2 years)
2020
0.329
Cites / Doc. (2 years)
2021
0.293
Cites / Doc. (2 years)
2022
0.625
Cites / Doc. (2 years)
2023
0.829
Cites / Doc. (2 years)
2024
1.262
Total Cites Self-Cites
Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.
Cites
Year
Value
Self Cites
2017
0
Self Cites
2018
6
Self Cites
2019
6
Self Cites
2020
23
Self Cites
2021
32
Self Cites
2022
94
Self Cites
2023
337
Self Cites
2024
562
Total Cites
2017
0
Total Cites
2018
9
Total Cites
2019
29
Total Cites
2020
71
Total Cites
2021
115
Total Cites
2022
340
Total Cites
2023
693
Total Cites
2024
1229
External Cites per Doc Cites per Doc
Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years.
External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.
Cites
Year
Value
External Cites per document
2017
0
External Cites per document
2018
0.058
External Cites per document
2019
0.156
External Cites per document
2020
0.235
External Cites per document
2021
0.241
External Cites per document
2022
0.432
External Cites per document
2023
0.425
External Cites per document
2024
0.625
Cites per document
2017
0.000
Cites per document
2018
0.173
Cites per document
2019
0.197
Cites per document
2020
0.348
Cites per document
2021
0.334
Cites per document
2022
0.598
Cites per document
2023
0.828
Cites per document
2024
1.151
% International Collaboration
International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.
Year
International Collaboration
2017
11.54
2018
15.79
2019
12.28
2020
12.50
2021
12.81
2022
15.08
2023
12.06
2024
14.92
Citable documents Non-citable documents
Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.
Documents
Year
Value
Non-citable documents
2017
0
Non-citable documents
2018
5
Non-citable documents
2019
7
Non-citable documents
2020
7
Non-citable documents
2021
2
Non-citable documents
2022
0
Non-citable documents
2023
0
Non-citable documents
2024
0
Citable documents
2017
0
Citable documents
2018
47
Citable documents
2019
140
Citable documents
2020
197
Citable documents
2021
342
Citable documents
2022
569
Citable documents
2023
837
Citable documents
2024
1068
Cited documents Uncited documents
Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.
Documents
Year
Value
Uncited documents
2017
0
Uncited documents
2018
44
Uncited documents
2019
124
Uncited documents
2020
159
Uncited documents
2021
250
Uncited documents
2022
371
Uncited documents
2023
451
Uncited documents
2024
473
Cited documents
2017
0
Cited documents
2018
8
Cited documents
2019
23
Cited documents
2020
45
Cited documents
2021
94
Cited documents
2022
198
Cited documents
2023
386
Cited documents
2024
595
% Female Authors
Evolution of the percentage of female authors.
Year
Female Percent
2017
35.10
2018
30.53
2019
27.23
2020
38.72
2021
41.96
2022
41.92
2023
44.51
2024
46.52
Documents cited by public policy (Overton)
Evolution of the number of documents cited by public policy documents according to Overton database.
Documents
Year
Value
Overton
2017
0
Overton
2018
0
Overton
2019
0
Overton
2020
0
Overton
2021
0
Overton
2022
0
Overton
2023
0
Overton
2024
0
Documents related to SDGs (UN)
Evolution of the number of documents related to Sustainable Development Goals defined by United Nations. Available from 2018 onwards.
Documents
Year
Value
SDG
2018
36
SDG
2019
26
SDG
2020
68
SDG
2021
122
SDG
2022
131
SDG
2023
161
SDG
2024
218
Estimated APC
It estimates the article processing charges (APCs) a journal might charge, based on its visibility, prestige, and impact as measured by the SJR. It does not reflect the actual APC, but rather a calculated approximation based on journal quality.
Year
Est. APC (USD)
2017
2018
2019
2295
2020
2285
2021
2283
2022
2304
2023
2329
2024
2377
Estimated financial value
It represents the potential financial worth of a journal. It is obtained by multiplying the journal's Estimated APC by the total number of citable documents published over the past five years. This value reflects the hypothetical revenue a journal could generate based on its estimated publication costs and scholarly output.
Year
Est. value (USD)
2017
2018
2019
130814
2020
569050
2021
1299127
2022
2059466
2023
3067098
2024
4221065
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