Characteristic metabolites of Hypericum plants: their chemical structures and biological activities Naonobu TanakaYoshiki Kashiwada Review Open access 08 February 2021 Pages: 423 - 433
Discovery and investigation of natural Diels–Alderases Kenji Watanabe Review Open access 08 March 2021 Pages: 434 - 447
Correction to: Discovery and investigation of natural Diels–Alderases Kenji Watanabe Correction Open access 08 April 2021 Pages: 448 - 448
A review of antidiabetic active thiosugar sulfoniums, salacinol and neokotalanol, from plants of the genus Salacia Toshio MorikawaKiyofumi NinomiyaOsamu Muraoka Review Open access 26 April 2021 Pages: 449 - 466
Enzymatic reactions in teleocidin B biosynthesis Takayoshi Awakawa Mini-Review Open access 06 March 2021 Pages: 467 - 474
Metabolic fingerprinting for discrimination of DNA-authenticated Atractylodes plants using 1H NMR spectroscopy Tatsuya ShirahataHiroshi IshikawaYoshinori Kobayashi Original Paper Open access 11 February 2021 Pages: 475 - 488
Anti-Vpr activities of sesqui- and diterpenoids from the roots and rhizomes of Kaempferia candida PremaTakeshi KodamaHiroyuki Morita Original Paper 09 March 2021 Pages: 489 - 498
Simultaneous UHPLC/MS quantitative analysis and comparison of Saposhnikoviae radix constituents in cultivated, wild and commercial products Hiroyuki FuchinoSayaka MuraseNobuo Kawahara Original Paper 11 February 2021 Pages: 499 - 519
Anti-insulin resistance effect of constituents from Senna siamea on zebrafish model, its molecular docking, and structure–activity relationships Wanlapa NuankaewArmad HeemmanTong Ho Kang Original Paper 23 February 2021 Pages: 520 - 531
A novel challenge of nondestructive analysis on OGATA Koan’s sealed medicine by muonic X-ray analysis Kayoko Shimada-TakauraKazuhiko NinomiyaKyoko Takahashi Original Paper 13 March 2021 Pages: 532 - 539
Dehydroabietic acid improves nonalcoholic fatty liver disease through activating the Keap1/Nrf2-ARE signaling pathway to reduce ferroptosis Gai GaoZhishen XieZhenqiang Zhang Original Paper 15 February 2021 Pages: 540 - 552
Alginic acid inhibits non-small cell lung cancer-induced angiogenesis via activating miR-506 expression Keping WangBin WangRusong Yang Original Paper 05 March 2021 Pages: 553 - 564
Studies on cultivation of Angelica acutiloba using paper pot (Part 2): effect of difference in taproot base diameter of seedlings on growth after planting and quality of toki produced from paper pot seedlings Yoshitomi KudoHirokazu AndoYohei Sasaki Original Paper 08 March 2021 Pages: 565 - 576
Cloning of the cytochrome P450 enzyme from Perilla frutescens involved in nothoapiole biosynthesis Mariko BabaMichiho Ito Original Paper 29 March 2021 Pages: 577 - 589
Curcumin suppresses LGR5(+) colorectal cancer stem cells by inducing autophagy and via repressing TFAP2A-mediated ECM pathway Xiaohong MaoXin ZhangPing Huang Original Paper Open access 13 March 2021 Pages: 590 - 601
Indole-3-carboxaldehyde regulates RSV-induced inflammatory response in RAW264.7 cells by moderate inhibition of the TLR7 signaling pathway Xianbang HouXueyuan ZhangLiwei He Original Paper 23 March 2021 Pages: 602 - 611
Inhibitory activity of flavonoids from Ephedrae Herba on hypoxia signaling in PANC-1 cells and the evaluation of their mechanisms Hiroaki YahagiTadahiro YahagiKeiichi Matsuzaki Original Paper 04 April 2021 Pages: 612 - 622
Ellagitannins from Rosa roxburghii suppress poly(I:C)-induced IL-8 production in human keratinocytes Satoru TakayamaMiho KawanishiHiroyuki Tanaka Original Paper 08 April 2021 Pages: 623 - 632
Two new bisindole alkaloids from Tabernaemontana macrocarpa Jack Puteri AmeliaAlfarius Eko NugrohoHiroshi Morita Original Paper 06 April 2021 Pages: 633 - 642
Ardisiatetrons A and B: tetronic acid derivatives and triterpenes from the leaves of Ardisia quinquegona and their biological activity Susumu KawakamiMisaki IshinakaKentaro Yamaguchi Original Paper 27 April 2021 Pages: 643 - 654
β-elemene affects angiogenesis of infantile hemangioma by regulating angiotensin-converting enzyme 2 and hypoxia-inducible factor-1 alpha Zhenyu WangZhaoxiang WangHua Xian Original Paper 16 April 2021 Pages: 655 - 663
Sedative effects of inhaled Perilla frutescens essential oils on mice Yue OtaMichiho Ito Note 12 February 2021 Pages: 664 - 669
Two new xanthones from the root of Thai Calophyllum inophyllum and their toxicity against colon and liver cancer cells Syahadatain Nor HaeraniAchara RaksatKhanitha Pudhom Note 09 March 2021 Pages: 670 - 674
Identification of pheophorbide a as an inhibitor of receptor for advanced glycation end products in Mallotus japonicus Teruki MatsumotoMichiyo MatsunoHajime Mizukami Note 24 February 2021 Pages: 675 - 681
Five matrine-type alkaloids from Sophora tonkinensis Qing TangDing LuoYao-Lan Li Note 03 March 2021 Pages: 682 - 687
Quantification of ustalic acid, a chemotaxonomic marker, in Tricholoma ustale using liquid chromatography–mass spectrometry Tetsuro ItoHiroyuki NagaiHirofumi Konishi Rapid Communication 27 February 2021 Pages: 688 - 691
Quality evaluation of Pinellia tuber by LC-TOF/MS targeted to ephedrine Tadahiro YahagiToshiyuki AtsumiKeiichi Matsuzaki Natural Resource Letter 31 January 2021 Pages: 692 - 698
Identification of Valeriana fauriei and other Eurasian medicinal valerian by DNA polymorphisms in psbA–trnH intergenic spacer sequences in chloroplast DNA Taichi FujiiTakako MoriMotoyasu Minami Natural Resource Letter 25 February 2021 Pages: 699 - 706
One-pot discriminant LC/MS quantitative analysis of ephedrine and pseudoephedrine using Finger Masher and their distribution in the aerial stems of Ephedra plants Hiroyuki FuchinoOsamu IidaKayo Yoshimatsu Natural Resource Letter 18 February 2021 Pages: 707 - 716
Identification of herbal components as TRPA1 agonists and TRPM8 antagonists Sho SanechikaChika ShimoboriKatsuya Ohbuchi Natural Resource Letter 20 April 2021 Pages: 717 - 725
Correction to: Selective cytotoxicity of epidithiodiketopiperazine DC1149B, produced by marine-derived Trichoderma lixii on the cancer cells adapted to glucose starvation Rui TangAtsushi KimishimaMasayoshi Arai Correction Open access 11 March 2021 Pages: 726 - 726
Correction to: Antihypertensive constituents in Sanoshashinto Jianbo WuSouichi NakashimaHisashi Matsuda Correction Open access 06 March 2021 Pages: 727 - 727
Correction to: The acrid raphides in tuberous root of Pinellia ternata have lipophilic character and are specifically denatured by ginger extract Tsukasa FuekiKoichiro TanakaToshiaki Makino Correction Open access 06 March 2021 Pages: 728 - 728