1. Saponin constituents of Achyranthes root

   • Fumiyuki Kiuchi

   Review Open access 04 January 2022 Pages: 343 - 351

   

2. Study on morphological and genetic diversity of Rehmannia glutinosa cultivated in Japan

   • Yuina Yoshie
   • Hirokazu Ando
   • Yohei Sasaki

   Original Paper 03 December 2021 Pages: 352 - 366

   

3. Is 18α-Glycyrrhizin a real natural product? Improved preparation of 18α-Glycyrrhizin from 18β-Glycyrrhizin as a positive standard for HPLC analysis of licorice extracts

   • Kritamorn Jitrangsri
   • Kazuaki Kamata
   • Tsutomu Ishikawa

   Original Paper 27 January 2022 Pages: 367 - 378

   

4. Saikokeishikankyoto extract alleviates muscle atrophy in KKAy mice

   • Yanglan Ou
   • Kohei Jobu
   • Mitsuhiko Miyamura

   Original Paper Open access 08 January 2022 Pages: 379 - 388

   

5. Antiatherosclerotic effects of corilagin via suppression of the LOX-1/MyD88/NF-κB signaling pathway in vivo and in vitro

   • Bo He
   • Deyun Chen
   • Zhiqiang Shen

   Original Paper 22 January 2022 Pages: 389 - 401

   

6. The discovery of herbal drugs and natural compounds as inhibitors of SARS-CoV-2 infection in vitro

   • Mya Myat Ngwe Tun
   • Kazufumi Toume
   • Kouichi Morita

   Original Paper 10 January 2022 Pages: 402 - 409

   

7. Crocetin alleviates the caerulein-induced apoptosis and inflammation in AR42J cells by activating SIRT1 via NF-κB

   • Lin Zhu
   • Chuan He

   Original Paper 30 January 2022 Pages: 410 - 418

   

8. Nacre extract from pearl oyster attenuates amyloid beta-induced memory impairment

   • Yamato Yotsuya
   • Yasushi Hasegawa

   Original Paper 19 January 2022 Pages: 419 - 434

   

9. Essential oil components in the seed masses of Amomum xanthioides and its related species from Southeast Asia and China

   • Mikako Sone
   • Katsuko Komatsu
   • Nobuo Kawahara

   Original Paper 25 January 2022 Pages: 435 - 450

   

10. Inhibitory functions of cornuside on TGFBIp-mediated septic responses

    • Soo Ho Ryu
    • Chaeyeong Kim
    • Jong-Sup Bae

    Original Paper 13 January 2022 Pages: 451 - 461

    

11. Two new ɑ-pyrone derivatives from the endophytic Diaporthe sp. ECN371

    • Ken-ichi Nakashima
    • Yuka Higuchi
    • Makoto Inoue

    Note 04 January 2022 Pages: 462 - 467

    

12. Phytochemical investigation of the fruits of Xanthium strumarium and their cytotoxic activity

    • Xiang-Wei Xu
    • Yi-Yuan Xi
    • Peng-Hai Zhang

    Note 07 January 2022 Pages: 468 - 475

    

13. Daldinans D‒G, new isoindolinone antioxidants isolated from the ascomycete Daldinia concentrica

    • Dae-Won Ki
    • Seong-Eun Kim
    • Bong-Sik Yun

    Note 16 January 2022 Pages: 476 - 481

    

14. Thannilignan glucoside and 2-(β-glucopyranosyl)-3-isoxazolin-5-one derivative, two new compounds isolated from Terminalia bellirica

    • Teruhisa Manome
    • Yasumasa Hara
    • Masami Ishibashi

    Note 18 January 2022 Pages: 482 - 489

    

15. Investigations of AGEs’ inhibitory and nephroprotective potential of ursolic acid towards reduction of diabetic complications

    • Kishor Mazumder
    • Biswajit Biswas
    • Philip G. Kerr

    Note 15 January 2022 Pages: 490 - 503

    

16. Oxidation of methylophiopogonanone A on the surface of TLC plate

    • Fumiyuki Kiuchi
    • Yoshinori Uekusa
    • Yuji Narukawa

    Note 28 January 2022 Pages: 504 - 508

    

17. Shorter and more efficient pretreatment for germination of perilla mericarps

    • Hiromasa Negishi
    • Michiho Ito

    Natural Resource Letter 08 January 2022 Pages: 509 - 518

    

18. Correction to: Physical and chemical characteristics of soils in Ephedra gerardiana and E. pachyclada habitats of Kali Gandaki Valley in Central Nepal

    • Motoyasu Minami
    • Takako Mori
    • Akihito Takano

    Correction 23 December 2021 Pages: 519 - 519