Studies on the Chemical Constituents from the Seeds of Zizyphus jujuba var. inermis

Abstract

-This study analyzed the seeds of Zizyphus jujuba var. inermis commonly used as a remedy in traditional Chinese medicine, in order to determine its various biologically active compounds. Through process 3-pentadecylcatechol, ρ-menth-8-ene, and γ-bisabolene were isolated and identified for the first time which are urushiol, monoterpenoidal, and sesquiterpenoidal compounds, respectively. Also, found were another sesquiterpenoidal compounds, vomifoliol, and four steroidal compounds, β-sitosterol, stigmasterol, stigmasta-5,23-dien-3β-ol, and stigmast-4-en-3-one. In addition, fourteen triterpenoidal compounds were isolated and identified. These were lupeol, betulinic acid, betulinaldehyde, alphitolic acid, 3-O-cis-ρ-coumaroyl-alphitolic acid, 3-O-trans-ρ-coumaroylalphitolic acid, 2-O-cis-ρ-coumaroyl-alphitolic acid, 2-O-trans-ρ-coumaroyl-alphitolic acid, zizyberanalic acid, ceanothic acid, oleanolic acid, maslinic acid, 3-O-cis-ρ-coumaroyl-maslinic acid, and 3-O-trans-ρ-coumaroylmaslinic acid. The structures were identified by comparing of the spectroscopic experiments, NMR and MS, and then compared that reported data, respectively. Three extracts of water, methanol, and chloroform from the seeds showed a weak anti-proliferative effect, anti-microbial activity, and anti-oxidant effect, respectively.

Chemo-Diversity and Antiradical Potential of Twelve Matricaria chamomilla L. Populations from Iran: Proof of Ecological Effects

“…inermis . [32]. The main EO compounds of M. chamomilla harvested in Iran were identified as α-bisabolol (7.27%), ( Z , Z )-farnesol (39.70–66.00%) [33], ( E )-β-farnesene (24.19%) [34] and α-bisabolol oxide A (17.14%) [35].…”

The roles of acidity, peroxide and non-peroxide compounds in antibacterial properties of Malaysian Kelulut, Tualang and Acacia honey

“…The strong acidic environment owned by Kelulut honey can also be explained by the presence of the additional acid compounds, i.e., platycogenic acid and kauranoic acid. These acids have been associated with various biological properties, including antibacterial properties (Lee et al, 2017;Cör et al, 2018), which react by interfering with bacterial metabolism (Çiçek et al, 2020;Wilkens et al, 2002) and breakdown of the cell wall mechanism (Basnet et al, 2017).…”