Chemical constituents from Valeriana officinalis L. var. Iatifolia Miq. and their chemotaxonomic significance
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Shuliang Wang, Yanrong Zeng, Yanan Li, Li He, Zhanxing Hu, Liejun Huang, Wei Gu, Chunmao Yuan, Xiaojiang Hao (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - April 7, 2020 Category: Biochemistry Source Type: research

The co-occurrence of bufadienolides and podophyllotoxins from Helleborus thibetanus
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Zhendong Liu, Yi Liu, Bei Xue, Wei Chen, Wei Xu, Ren-Wang Jiang (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - April 5, 2020 Category: Biochemistry Source Type: research

Chemical constituents of Odontites serotina (Lam.) Dumort. (Orobanchaceae)
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Cong-Cong Wang, Er-Huan Zang, Chun-Hong Zhang, Agula Bo, Xue Gong, Min-Hui Li (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - April 4, 2020 Category: Biochemistry Source Type: research

Flavonoids in the leaves of Hillebrandia and Begonia species (Begoniaceae)
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Tsukasa Iwashina, Yukiko Saito, Goro Kokubugata, Ching-I. Peng (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - April 4, 2020 Category: Biochemistry Source Type: research

Flavonoids and xanthones from the leaves of Amorphophallus titanum (Araceae)
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Tsukasa Iwashina, Destri, Sri Rahayu, Chie Tsutsumi, Yuzammi, Takayuki Mizuno, Didik Widyatmoko (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - April 4, 2020 Category: Biochemistry Source Type: research

Chemical and phylogenetic characterization of Guaco (Mikania laevigata; M. glomerata) germplasm
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Roberto Fontes Vieira, Tânia da Silveira Agostini-Costa, Rosa de Belem das Neves Alves, Vânia Cristina Rennó Azevedo, Glyn Mara Figueira, Ismael da Silva Gomes, Peter Ward Inglis, Marisa Toniolo Pozzobon, Andréa del Pilar de Souza Peñaloza, Mara Rejane Ritter, Sileuza dos Santos, Dijalma Barbosa da Silva (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - April 1, 2020 Category: Biochemistry Source Type: research

Chemical constituents from Aristolochia tagala and their chemotaxonomic significance
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Rui Liu, Hong-Chi Zhang (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 29, 2020 Category: Biochemistry Source Type: research

Chemical constituents from the fruits of Solanum incanum L
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Joseph Sakah Kaunda, Ying-Jun Zhang (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 27, 2020 Category: Biochemistry Source Type: research

Phytochemical and chemotaxonomic study on the leaves of Rhododendron dauricum L
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Chao Ye, Mei Jin, Ren Li, Jinfeng Sun, Rongshen Wang, Jiaming Wang, Sainan Li, Wei Zhou, Gao Li (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 27, 2020 Category: Biochemistry Source Type: research

Effects of variety and growth year on the essential oil properties of lavender (Lavandula angustifolia Mill.) and lavandin (Lavandula x intermedia Emeric ex Loisel.)
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Enikő Détár, Éva Zámboriné Németh, Beáta Gosztola, Ildikó Demján, Zsuzsanna Pluhár (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 18, 2020 Category: Biochemistry Source Type: research

Volatile constituents of four Inula species of Bulgarian origin
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Antoaneta Trendafilova, Milka Todorova, Temel Ozek, Gulmira Ozek, Ina Aneva (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 18, 2020 Category: Biochemistry Source Type: research

Dihydrostyryl-2-pyrone as a chemical marker of three non-xanthone-producing Polygala species (Polygalaceae)
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Tiago Tizziani, Dalila Venzke, Ana Paula Ruani, Gustavo Amadeu Micke, Moacir Geraldo Pizzolatti, Inês Maria Costa Brighente (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 16, 2020 Category: Biochemistry Source Type: research

Variation of sesquiterpene lactone contents in Lactuca altaica natural populations from Armenia
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Alex Beharav, Janusz Malarz, Klaudia Michalska, Roi Ben-David, Anna Stojakowska (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 16, 2020 Category: Biochemistry Source Type: research

Chemotaxonomic evaluation of different species from the Myrtaceae family by UPLC-qToF/MS-MS coupled to supervised classification based on genus
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Leonardo S. Santos, Elenilson G. Alves Filho, Paulo R.V. Ribeiro, Guilherme J. Zocolo, Silvanda M. Silva, Eliseu M.P. de Lucena, Ricardo E. Alves, Edy S. de Brito (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 14, 2020 Category: Biochemistry Source Type: research

Chemical constituents of Gardneria ovata wall
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Ming-Jian Ren, Yu-Dan Wang, Ya-Ping Liu, Qi-Min Cui, Jian-Xin Cao, Gui-Guang Cheng, Wen-Bing Zhou, Tian-Rui Zhao (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 13, 2020 Category: Biochemistry Source Type: research

Composition and biovariability of Deverra scoparia volatile oil and its potential use as a source of bioactive phthalide components
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Adel Benarfa, Nadhir Gourine, Mohamed Harrat, Mohamed Yousfi (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 13, 2020 Category: Biochemistry Source Type: research

Flavonoids, stilbenoids, and phenolic derivatives from the stems of Gnetum macrostachyum (Gnetaceae)
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Changon Seo, Seung Ho Lym, Wonsik Jeong, Ji Eun Lee, Jung A Lee, Eun-Kyung Ahn, Jae-Shin Kang, Won Hee Kim, Chun Whan Choi, Joa Sub Oh, Seong Su Hong (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 13, 2020 Category: Biochemistry Source Type: research

Composition variation of the essential oil from Ocimum basilicum L. cv. Genovese Gigante in response to Glomus intraradices and mild water stress at different stages of growth
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Iris Mota, José Sánchez-Sánchez, Luis G. Pedro, Maria João Sousa (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 5, 2020 Category: Biochemistry Source Type: research

A new aryltetralin lignan and other phytoconstituents from Atractylis humilis
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Siham Sifouane, Imane Benabdelaziz, Mohammed Benkhaled, Santiago Gómez-Ruiz, Sandra Carralero, Hamada Haba (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - March 2, 2020 Category: Biochemistry Source Type: research

Editorial Board
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - February 29, 2020 Category: Biochemistry Source Type: research

Chemical constituents from Senefelderopsis croizatii Steyerm
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Alírica I. Suárez (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - February 29, 2020 Category: Biochemistry Source Type: research

Assessment of genetic diversity and chemical composition among seven black locust populations from Northern China
This study demonstrates that microsatellite markers efficiently assess of genetic diversity and genetic differentiation in black locust populations, and all seven populations exhibit high genetic diversity. The population from Feixian has the potential to be lingo-cellulosic biomass for bioenergy and bioethanol. (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - February 22, 2020 Category: Biochemistry Source Type: research

Chemical constituents from the heartwood of Toxicodendron vernicifluum (Stokes) F.A. Barkley
Publication date: June 2020Source: Biochemical Systematics and Ecology, Volume 90Author(s): Mei Chen Li, Chao Jie Xie, Jin Gou Gao, Cai Wen Meng, Yuan Jiang He, Jian Yu Liu, Yong Nan XuAbstractA phytochemical investigation of the heartwood of Toxicodendron vernicifluum (Stokes) F.A. Barkley led to the isolation of twenty-five compounds, including sixteen flavonoids (1–15), one flavonolignan (16), one chromone (17), four benzoic acid derivatives (18–21), two triterpenes (22–23) and two sterols (24–25). The structures of these compounds were elucidated on the basis of spectroscopic analysis and compar...
Source: Biochemical Systematics and Ecology - February 20, 2020 Category: Biochemistry Source Type: research

Biphenanthrene from Stanhopea lietzei (Orchidaceae) and its chemophenetic significance within neotropical species of the Cymbidieae tribe
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Diego L. Lucca, Giovanna P. Sá, Leonardo R. Polastri, Denise M.B. Ghiraldi, Nagela P. Ferreira, Lucas U.R. Chiavelli, Ana L.T.G. Ruiz, Francielle P. Garcia, Jessica C. Paula, Celso V. Nakamura, Tania U. Nakamura, Brenda Kischkel, Debora B. Scariot, Dyenefer P. Fonseca, Silvana M.O. Santin, Maria A.M. Gutierre, Melyssa F.N. Negri, Armando M. PominiAbstractOrchidaceae are one of the largest families of flowering plants. In this work, the first phytochemical study of the non-flowering parts of the South American species Stanhop...
Source: Biochemical Systematics and Ecology - February 15, 2020 Category: Biochemistry Source Type: research

Viburnum tinus L.: Investigation on its spontaneous emission at different phenological stages
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Basma Najar, Benedetta Ferri, Pier Luigi Cioni, Luisa PistelliThe volatile components emitted from different organs of Viburnum tinus L., collected during various developmental stages, were analysed by solid phase micro extraction (SPME) and identified by GC-MS. More than 90% of the identified fraction was represented by non-terpenes in both young and adult leaves (94.2% and 94.3%, respectively), as well as in fruits of different ages: unripe and ripe (red and black) (93.1%, 90.6% and 90.9%, respectively). This latter class was als...
Source: Biochemical Systematics and Ecology - February 15, 2020 Category: Biochemistry Source Type: research

Toxins and other chemical constituents from Prorocentrum lima
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Yue-Yue Li, Xiao-Qing Tian, Ya-Nan Lu, Qing-Hua Han, Li-Yan Ma, Cheng-Qi FanAbstractThe marine phytoplankton Prorocentrum lima is one of the toxic and harmful microalgae which can cause red tides. In chemical investigation on cultured strain P. lima PL11, seven compounds were isolated and identified by spectroscopic data, including three typical shellfish toxins okadaic acid (OA, 1), OA methyl ester (2), and prorocentrolide (3), three terpenoids (4–6), and one polyketide (7). Compounds 5 and 6 should be derived from carotenoi...
Source: Biochemical Systematics and Ecology - February 14, 2020 Category: Biochemistry Source Type: research

Geographical and seasonal variation in water hemlock (Cicuta maculata) toxins
The objective of this study was to evaluate the variation in cicutoxin and total C17 polyacetylene compounds in water hemlock populations across western North America. Cicutoxin and total C17 polyacetylene concentrations varied among the six collection locations and among plant parts. Tubers contained the highest cicutoxin and total C17 polyacetylene concentrations of all plant parts. Green seeds contained the second most abundant total C17 polyacetylene concentrations. Total C17 polyacetylene and cicutoxin concentrations were also compared in different plant parts at several different phenological stages over the growing ...
Source: Biochemical Systematics and Ecology - February 10, 2020 Category: Biochemistry Source Type: research

Flavonoids and phenolic acids from the roots of Sophora tonkinensis Gagnep
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Mengyang Hou, Wenzhong Hu, Kexin Hao, Zhilong XiuAbstractPhytochemical study on the roots of Sophora tonkinensis Gagnep. led to the isolation of fifteen compounds, including eleven flavonoids (1–11) and four phenolic acids (12–15). The structures of these compounds were elucidated based on NMR and HR-ESIMS analysis, further supported by comparison with previous literatures. Among them, compounds 2, 3, 4, 6, 9, 12 and 13 were firstly discovered from S. tonkinensis, compound 8 was firstly discovered from the genus Sophora...
Source: Biochemical Systematics and Ecology - February 8, 2020 Category: Biochemistry Source Type: research

Grayanane diterpenoids from the leaves of Rhododendron dauricum
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Xiang Peng, Hanqi Zhang, Xinghua Yuan, Zibo Chen, Jinbo Gao, Yang Teng, Guangmin YaoAbstractPhytochemical investigations on the leaves of Rhododendron dauricum L. (Ericaceae) resulted in the isolation of thirteen known grayanane diterpenoids (1–13). Their structures were determined by spectroscopic data analysis and comparison with the literature. The structure and absolute configuration of grayanotoxin VI (1) was determined by single-crystal X-ray diffraction analysis for the first time. This is the first time to report the ...
Source: Biochemical Systematics and Ecology - February 5, 2020 Category: Biochemistry Source Type: research

Comparison of metabolomics of Dendrobium officinale in different habitats by UPLC-Q-TOF-MS
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Juan Yang, Xu Han, Hao-Yu Wang, Jian Yang, Yi Kuang, Kai-Yue Ji, Yi Yang, Kai Pang, Sheng-Xiang Yang, Jian-Chun Qin, Hong-Peng WangAbstractDendrobium officinale has been considered over past centuries to be extremely valuable for use as an herbal medicine in South Asian countries. In this work, the chemical profiles of D. officinale from different habitats were systematically characterized using ultra-performance liquid chromatography time-of-flight mass spectrometry (UPLC-Q-TOF-MS) and multivariate analysis. The principal componen...
Source: Biochemical Systematics and Ecology - February 1, 2020 Category: Biochemistry Source Type: research

Epicuticular wax variability of Juniperus deltoides R.P. Adams from the central Balkan – Ecology and chemophenetics
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Nemanja Rajčević, Tanja Dodoš, Jelica Novaković, Pedja Janaćković, Petar D. MarinAbstractJuniperus deltoides R.P.Adams is a prickly, evergreen shrub that grows in the East Mediterranean on dry hills and mountains. Needle-like leaves have a thick cuticular layer on the surface, which serves as the ultimate barrier for prevention of water loss. n-Alkanes comprise the biggest part of this hydrophobic wax mixture. These compounds are studied as chemophenetic characters due to their chemical and physiological stability, and ...
Source: Biochemical Systematics and Ecology - February 1, 2020 Category: Biochemistry Source Type: research

A new bicyclic sesquiterpenoid from Merremia yunnanensis
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Mingrui Yuan, Bin Liu, Qian Ding, Xuerui Zhang, Di Wei, Shuangxi Mei, Rongtao Li, Jinfu Wan, Qian LiAbstractA new sesquiterpenoid, 1α,4β,8β,9β-eudesmane-tetrol-1-O-β-D-glucopyranoside (1), together with nine known compounds (2–10), were isolated from Merremia yunnanensis. The structures of these compounds were elucidated by spectroscopic methods and compared to data in the literature. All these compounds (1–10) were firstly isolated from this plant, and compounds 3, 5, 7, and 10 were reported f...
Source: Biochemical Systematics and Ecology - January 20, 2020 Category: Biochemistry Source Type: research

Discrimination of Moutan Cortex from different sources and geographical origins for quality evaluation using microsatellite markers coupled with chemical analysis
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Yingchun Zhang, Mei Ge, Xinhui Wang, Yue Zeng, Yixuan Liao, Yapeng Wang, Zhongliang ZengAbstractThe root bark of tree peony (Paeonia suffruticosa Andr.), also called Coetex Moutan (CM), is a traditional Chinese medicine. The medicinal plant is also well known for its beautiful flowers with hundreds of cultivars. CM from different cultivars or grown in various geographic areas are significantly different in quality and chemical properties. So the aim of this study is to develop specific SSRs by transcriptome analysis to distinguish ...
Source: Biochemical Systematics and Ecology - January 17, 2020 Category: Biochemistry Source Type: research

Seasonal and diel variations in scent composition of ephemeral Murraya paniculata (Linn.) Jack flowers are contributed by separate volatile components
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Ishita Paul, Pratap Bhanu Singh Bhadoria, Adinpunya MitraAbstractScent profile of the ephemeral nocturnal floral species Murraya paniculata was characterized to assess diel and seasonal variability. The floral fragrance was found to constitute a characteristic set of 15 major volatile organic compounds (VOCs) dominated by benzenoids, terpenoids and phenylethanoids. Strong diel variability was detected due to dominantly endogenous regulation of 2-phenylethanol and (E)-β-ocimene emission levels, along with temperature-correlated...
Source: Biochemical Systematics and Ecology - January 17, 2020 Category: Biochemistry Source Type: research

Sesquiterpene lactones and other constituents from Stevia jorullensis
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Ana Lidia Pérez-Castorena, Antonio Nieto-Camacho, Emma MaldonadoAbstractA chemical study of the aerial parts of Stevia jorullensis was carried out as a contribution to the knowledge of the chemistry of the genus Stevia. In this investigation the sesquiterpene lactones 11β,13-dihydrocostunolide (1), 11,13-dihydroreynosin (4), and 1β-hydroxycolartin (5) were isolated for the first time in the genus. Additionally, chlorogenic acid (8), the steroidal compounds β-sitosterol (2), stigmasterol (3), β-sitosteryl ...
Source: Biochemical Systematics and Ecology - January 16, 2020 Category: Biochemistry Source Type: research

Carotenoids of dragonflies, from the perspective of comparative biochemical and chemical ecological studies
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Takashi Maoka, Naoki Kawase, Tetsuyuki Ueda, Ritsuo NishidaAbstractCarotenoids of 20 species of dragonflies (including 14 species of Anisoptera and six species of Zygoptera) were investigated from the viewpoints of comparative biochemistry and chemical ecology. In larvae, β-carotene, β-cryptoxanthin, lutein, and fucoxanthin were found to be major carotenoids in both Anisoptera and Zygoptera. These carotenoids were assumed to have originated from aquatic insects, water fleas, tadpoles, and small fish, which dragonfly larva...
Source: Biochemical Systematics and Ecology - January 15, 2020 Category: Biochemistry Source Type: research

Chemical constituents of Leucas zeylanica and their chemotaxonomic significance
This study also discusses the chemotaxonomic relationships between Leucas zeylanica and other species of Leucas. (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - January 15, 2020 Category: Biochemistry Source Type: research

Chemical constituents of sponge Pseudoceratina sp. and their chemotaxonomic significance
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Huanhuan Li, Hai Yu, Wenhui Wu, Peng SunAbstractThe chemical investigation of Pseudoceratina sp. led to the isolation of six compounds including tyrosine brominated isoxazoline alkaloids (1 and 2), polyketide (3), and 5α,8α-epidioxysterols (4–6). The structures of these compounds were identified by comparison of NMR and MS spectroscopic data with those previously reported. Compounds 3–6 were isolated for the first time from sponges of the genus Pseudoceratina. The chemotaxonomic significance of these compoun...
Source: Biochemical Systematics and Ecology - January 10, 2020 Category: Biochemistry Source Type: research

Glycerols and fatty acids isolated from Micractinium sp. KSF0031
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Huynh Nguyen Khanh Tran, Ui Joung Youn, Jeong Ah Kim, Hyunsik Chae, Sanghee Kim, Byung Sun MinAbstractFrom the collected extract from King Sejong Antarctic Station, strain Micractinium sp. KSF0031, led to the isolation of one new monoacyldigalactosyl glycerol (1) and seven known compounds (2–8). Their chemical structures were established using extensive spectroscopic techniques, including 1D, 2D-NMR, and MS, and compared with the published data. To the best of our knowledge, this is the first report to investigate the seconda...
Source: Biochemical Systematics and Ecology - January 3, 2020 Category: Biochemistry Source Type: research

Chemical constituents isolated from the roots of Sanguisorba officinalis L. and their chemotaxonomic significance
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Rongshen Wang, Jinfeng Sun, Chao Ye, Jiaming Wang, Tieqiang Zong, Wei Zhou, Gao LiAbstractPhytochemical investigation of the roots of Sanguisorba officinalis L. led to the isolation of thirty-eight compounds, including seventeen triterpenoids (1–17), six monoterpenoid glycosides (18–23), six flavonoids (24–29), six phenols (30–35), two glycosides (36–37), and one lignan (38). The chemical structures of these compounds were elucidated on the basis of spectral data and by comparisons of spectroscopic dat...
Source: Biochemical Systematics and Ecology - December 31, 2019 Category: Biochemistry Source Type: research

Horse chestnut (Aesculus hippocastanum L.) seed fatty acids, flavonoids and heavy metals plasticity to different urban environments
In this study, the content of fatty acids, flavonoids, aescin and heavy metals in seeds of 11 horse chestnut genotypes growing in urban conditions was investigated. A total of 16 fatty acids were identified. Unsaturated fatty acids in seed samples were the most abundat. Among the saturated fatty acids, palmitic acid was the dominant one, with a total average content of 8.12%. Oleic acid, with the total average content of 53.46%, was the most abundant unsaturated fatty acid. The results of this study indicated the presence of the following flavonoids: quercetin, kaempferol and rutin. Rutin was the most abundant, averagely c...
Source: Biochemical Systematics and Ecology - December 29, 2019 Category: Biochemistry Source Type: research

Chemical constituents from the stem bark of Acer tegmentosum
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Yan Piao, Changhao Zhang, Jiahui Ni, Xiumei Yin, Renbo An, Lili JinAbstractA new phenolic glycoside, 4-hydroxyphenylethyl-1-O-β-D-[6′-O-(4-hydroxybenzoyl)]-glucopyranoside (1) was isolated from the stem bark of Acer tegmentosum, along with seven known phenolic compounds (2–8). The structure of compound 1 was determined by spectral analyses, including HR-ESI-MS, 1D and 2D NMR (COSY, HMQC and HMBC) experiments. Compounds 3 and 4 were found in the family Aceraceae for the first time.Graphical abstract (Source: Biochem...
Source: Biochemical Systematics and Ecology - December 28, 2019 Category: Biochemistry Source Type: research

Editorial Board
Publication date: February 2020Source: Biochemical Systematics and Ecology, Volume 88Author(s): (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - December 24, 2019 Category: Biochemistry Source Type: research

Preen oil chemical composition in herring gull Larus argentatus, common gull Larus canus and black-headed gull Chroicocephalus ridibundus confirms their status as two separate genera
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Izabela Fischer, Włodzimierz Meissner, Łukasz P. Haliński, Piotr StepnowskiAbstractFatty acid and alcohol components of preen oil were determined in three gull species that belong to two systematic genera: herring gull Larus argentatus, common gull Larus canus and black-headed gull Chroicocephalus ridibundus. All gulls were captured in winter, in Gdańsk, Poland. All gulls produced monoesters composed of C7–C16 saturated fatty acids and C11–C20 saturated alcohols, with n-octanoic acid and n-hexadecanol as the major f...
Source: Biochemical Systematics and Ecology - December 24, 2019 Category: Biochemistry Source Type: research

Chemical constituents from Syringa reticulata (Bl.) Hara
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Lan Jin, Jinfeng Sun, Mei Jin, Chunshi Jin, Shengbao Diao, Wei Zhou, Gao LiAbstractA previously undescribed secoiridoid aglycone, syrinretin (1), together with a reported secoiridoid aglycone (2), three phenylethanoids (3, 4 and 6), phenolic acid (5) and two coumarins (7 and 8) were isolated from the stem bark of Syringa reticulata (Bl.) Hara (Oleaceae). The structures were elucidated from 1D and 2D NMR spectroscopic data by comparison with reported literature values. Compound 1 and compounds 2, 4–6 and 8 were identified in t...
Source: Biochemical Systematics and Ecology - December 24, 2019 Category: Biochemistry Source Type: research

Terpenes from Cantinoa (Lamiaceae) native to Rio Grande do Sul, South Brazil
Publication date: April 2020Source: Biochemical Systematics and Ecology, Volume 89Author(s): Henrique Bridi, Sérgio Augusto de Loreto Bordignon, Miriam Anders Apel, Gilsane Lino von PoserAbstractCantinoa althaeifolia, C. heterodon, C. mutabilis, C. stricta and C. sylvularum were investigated for the essential oil and exudate composition. The essential oils of these species, previously placed in the genus Hyptis, demonstrated the presence of at least 46 compounds, being β-pinene, δ-3-carene, β-caryophyllene, bicyclogermacrene, caryophyllene oxide and globulol the compounds present in higher amounts. B...
Source: Biochemical Systematics and Ecology - December 24, 2019 Category: Biochemistry Source Type: research

Fingerprinting of cerrado species based on cork lipophilic constituents
Publication date: February 2020Source: Biochemical Systematics and Ecology, Volume 88Author(s): Antonio Salatino, Marcelo J.P. Ferreira, Renata G. Udulutsch, Carmen E. Palacios, Maria Luiza F. SalatinoAbstractCerrado is a savanna ecosystem of central and southeastern Brazil. Many woody species of cerrado have thick layers of cork. The present work aimed to characterize, by GC/MS analysis, the constituents of n-hexane extracts from the cork of common species from cerrado. Cork samples from 31 individuals, corresponding to 14 species and six families, were analyzed. Similarities and differences were noticed between cork and ...
Source: Biochemical Systematics and Ecology - December 19, 2019 Category: Biochemistry Source Type: research

Flavonoids from the leaves and twigs of Knema elegans
Publication date: February 2020Source: Biochemical Systematics and Ecology, Volume 88Author(s): Zhao Lu, Wen-Chao Wu, Mei Wang, Jia-Qian Zhang, Ye-Gao Chen, Rui Zhan, Li-Dong ShaoAbstractKnema elegans, a tropical evergreen plant, belongs to Myristicaceae family. Phytochemical investigation on the leaves and twigs of K. elegans led to the isolation and identification of two new flavonoids knemavones A and B (1 and 2), along with fifteen known analogues (3–17). These compounds belong to four subtypes of flavonoids, including chalcones, flavanes, flavones, and isoflavones. The structures of 1 and 2 were elucidated by me...
Source: Biochemical Systematics and Ecology - December 19, 2019 Category: Biochemistry Source Type: research

Flavonoids from Atropa belladonna (Solanaceae) leaves revisited
Publication date: February 2020Source: Biochemical Systematics and Ecology, Volume 88Author(s): Serhat Sezai Çiçek, Sofia Malek, Christian Zidorn (Source: Biochemical Systematics and Ecology)
Source: Biochemical Systematics and Ecology - December 18, 2019 Category: Biochemistry Source Type: research

Vernoguinamide: A new ceramide and other compounds from the root of Vernonia guineensis Benth. and their chemophenetic significance
Publication date: February 2020Source: Biochemical Systematics and Ecology, Volume 88Author(s): Steven Collins N. Wouamba, Gervais Mouthé Happi, Bruno N. Lenta, Norbert Sewald, Siméon Fogué KouamAbstractThe chemical investigation of the roots of Vernonia guineensis Benth. (Asteraceae) resulted in the isolation of a new ceramide, named vernoguinamide (1), together with fifteen known compounds, including three anthraquinones, physion (2), erythroglaucin (3) and emodin (4), three triterpenoids, hop-17(21)-en-3β-yl acetate (5), lupeol (6) and betulinic acid (7), six steroids, vernoguinoside A (8), ver...
Source: Biochemical Systematics and Ecology - December 14, 2019 Category: Biochemistry Source Type: research