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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2006 20
2007 37
2008 129
2009 103
2010 139
2011 177
2012 192
2013 170
2014 120
2015 96
2016 137
2017 145
2018 161
2019 150
2020 133
2021 147
2022 121
2023 124
2024 71

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Page 1
Carotenoids as natural functional pigments.
Maoka T. Maoka T. J Nat Med. 2020 Jan;74(1):1-16. doi: 10.1007/s11418-019-01364-x. Epub 2019 Oct 1. J Nat Med. 2020. PMID: 31588965 Free PMC article. Review.
Regulatory science of natural products.
Goda Y. Goda Y. J Nat Med. 2022 Sep;76(4):732-747. doi: 10.1007/s11418-022-01639-w. Epub 2022 Jul 23. J Nat Med. 2022. PMID: 35870047 Free PMC article. Review.
Saponin constituents of Achyranthes root.
Kiuchi F. Kiuchi F. J Nat Med. 2022 Mar;76(2):343-351. doi: 10.1007/s11418-021-01591-1. Epub 2022 Jan 4. J Nat Med. 2022. PMID: 34981406 Free PMC article. Review.
1,646 results