Two serotonin derivatives, N,N-dimethylserotonin 5-O-β-glucoside (1a) and N-methylserotonin 5-O-β-glucoside (1b) were isolated from immature seeds of Zanthoxylum piperitum. Their structures were determined by multi-step conversion reactions and spectroscopic analyses. Immature seeds of Z. piperitum contained extremely high levels of compounds 1a and 1b of approximately 0.29% and 0.15% (w/w), respectively.
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http://dx.doi.org/10.1271/bbb.100261 | DOI Listing |
Pharmaceutics
January 2025
Department of Physical Sciences, Earth and Environment, University of Siena, 53100 Siena, SI, Italy.
(L.) DC., commonly known as Japanese pepper, is a deciduous shrub native to East Asia.
View Article and Find Full Text PDFPharmaceuticals (Basel)
December 2024
College of Korea Medicine, Woosuk University, Jeonju-si 54986, Republic of Korea.
Monosodium urate crystal accumulation in the joints is the cause of gout, an inflammatory arthritis that is initiated by elevated serum uric acid levels. It is the most prevalent form of inflammatory arthritis, affecting millions worldwide, and requires effective treatments. The necessity for alternatives with fewer side effects is underscored by the frequent adverse effects of conventional therapies, such as urate-lowering drugs.
View Article and Find Full Text PDFBMC Plant Biol
September 2024
College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, 434025, China.
Foods
September 2023
Department of Nutrition, Faculty of Health Science, Kio University, Koryo-cho, Nara 635-0832, Japan.
Japanese pepper (sansho, ) contains several types of sanshools belonging to -alkylamides. Because of the long-chain unsaturated fatty acids present in their structure, sanshools are prone to oxidative deterioration, which poses problems in processing. In this paper, we evaluated the effects of antioxidants from the genus in preventing sanshool degradation using accelerated tests.
View Article and Find Full Text PDFCurr Issues Mol Biol
August 2023
Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, No. 16 Nanxiaojie, Dongzhimennei Ave., Beijing 100700, China.
(Sichuan pepper), with its rich cultivars, has long been widely cultivated in China for its unique seasoning and medicinal uses, but most of its cultivars have similar morphological characteristics. Therefore, we hypothesized that the genetic diversity of cultivars is low because of their apomixis and long cultivation history. In this study, we aimed to investigate the genetic diversity of three species on the cultivar level based on express sequence tag-simple sequence repeat (EST-SSR) primers.
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