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Journal of Natural Medicines OnlineFirst articles

09.01.2019 | Original Paper

Anti-proliferative effect of auriculataoside A on B16 melanoma 4A5 cells by suppression of Cdc42–Rac1–RhoA signaling protein levels

Auriculataoside A, an anthracenone dimer glycoside isolated from Cassia auriculata seed, shows anti-proliferative effects on cell line B16 melanoma 4A5 cells with an IC50 value of 0.82 μM. However, it shows no such effect on normal human dermal …

Autoren:
Weicheng Wang, Souichi Nakashima, Seikou Nakamura, Yoshimi Oda, Hisashi Matsuda

07.01.2019 | Original Paper

Andrographolide impairs alpha-naphthylisothiocyanate-induced cholestatic liver injury in vivo

To investigate if andrographolide impairs cholestatic liver injury. All rats were randomly divided into six groups—(1) control (n = 6), (2) control + 200 mg/kg andrographolide (n = 6), (3) alpha-naphthylisothiocyanate (ANIT)-control (n = 6), (4) …

Autoren:
Lei Wang, Fei Cao, Li-li Zhu, Peng Liu, Yu-ru Shang, Wen-hui Liu, Xin Dong, Hai-dong Bao, Peng Gong, Zhong-yu Wang

01.01.2019 | Original Paper

Simultaneous quantitative analysis of 11 flavonoid derivatives with a single marker in persimmon leaf extraction and evaluation of their myocardium protection activity

An improved, reliable and comprehensive method for assessing the quality of the ethyl acetate extract from persimmon leaves (EAPL) and its commercial preparation, Naoxinqing (Brain and Heart Clear capsules), has been developed and validated. Based …

Autoren:
Zhi Zhou, Nan Li, Hai-Feng Zhang, Qing-Qing Wang, Qing Yu, Fang Wang, Ying-Hui Dai, Dong Wang, Dong-Chun Liu

14.12.2018 | Note

Endophyte composition and Cinchona alkaloid production abilities of Cinchona ledgeriana cultivated in Japan

New eight endophytic filamentous fungi were isolated from the young stems of Cinchona ledgeriana (Rubiaceae) cultivated in Japan. They were classified into four genera based on phylogenetic analysis of the nucleotide sequences of the internal …

Autoren:
Shoji Maehara, Andria Agusta, Yoshimi Tokunaga, Hirotaka Shibuya, Toshiyuki Hata

13.12.2018 | Original Paper Open Access

Identification of potential genes involved in triterpenoid saponins biosynthesis in Gleditsia sinensis by transcriptome and metabolome analyses

Gleditsia sinensis is widely used as a medicinal plant in Asia, especially in China. Triterpenes, alkaloids, and sterols were isolated from Gleditsia species. Among them, triterpenoid saponins are very important metabolites owing to their various …

Autoren:
Yusuke Kuwahara, Daisuke Nakajima, Sayaka Shinpo, Michimi Nakamura, Noriaki Kawano, Nobuo Kawahara, Mami Yamazaki, Kazuki Saito, Hideyuki Suzuki, Hideki Hirakawa

10.12.2018 | Original Paper

Effects of crushed Schisandra Fruit on the content of lignans in Kampo decoction

Arboreous fruit of Schisandra chinensis Baillon, Schisandra Fruit (SF), is a crude drug used in Japanese traditional Kampo medicine. The marker compounds of SF for quality control are lignans, such as schizandrin (Sz) and gomisin A (GmA). Kampo …

Autoren:
Toshiyuki Atsumi, Yumi Yokoyama, Takami Yokogawa, Toshiaki Makino, Isao Ohtsuka

08.12.2018 | Original Paper

Cyclic sulfur-containing compounds from Allium fistulosum ‘Kujou’

Sulfur-containing compounds, allicin and ajoene, etc., were isolated from Allium species. In a recent study, some sulfur-containing cyclic compounds were isolated from A. sativum, A. cepa, and A. fistulosum. Four new compounds with multiple rings …

Autoren:
Masashi Fukaya, Seikou Nakamura, Ryota Nakagawa, Manami Kinka, Souichi Nakashima, Hisashi Matsuda

06.12.2018 | Original Paper

Gastroprotective effect of araloside A on ethanol- and aspirin-induced gastric ulcer in mice: involvement of H+/K+-ATPase and mitochondrial-mediated signaling pathway

The aim of this study was to elucidate the gastroprotective activity and possible mechanism of involvement of araloside A (ARA) against ethanol- and aspirin-induced gastric ulcer in mice. The experimental mice were randomly divided into control …

Autoren:
Haibo He, Xiaomei Li, Haili Yu, Shu Zhu, Yumin He, Katsuko Komatsu, Dongyan Guo, Xiaoqin Li, Junzhi Wang, Huajun Luo, Daoxiang Xu, Kun Zou

22.11.2018 | Original Paper

Sakuranetin downregulates inducible nitric oxide synthase expression by affecting interleukin-1 receptor and CCAAT/enhancer-binding protein β

Pruni Cortex is a herbal drug from the bark of the Japanese flowering cherries, Prunus jamasakura or Prunus verecunda, and is included in the traditional Japanese herbal (Kampo) formula Jumihaidokuto, which is administered orally to patients …

Autoren:
Yuko Yamauchi, Tetsuya Okuyama, Toshinari Ishii, Tadayoshi Okumura, Yukinobu Ikeya, Mikio Nishizawa