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The content and qualitative composition of starch in bread wheat samples 面包小麦样品中淀粉的含量和质量组成
Pub Date : 2024-02-13 DOI: 10.14258/jcprm.20240113182
Olga Grigorievna Smirnova, Vladimir Georgievich Goldstein, L. P. Nosovskaya, L. V. Adikaeva, Lyubov Aleksandrovna Wasserman, Alexander Vladimirovich Simonov, Tatyana Alekseevna Pshenichnikova
Starch is one of the main components of wheat endosperm and is used in the production of food and non-food products. The composition and content of starch largely determines quality of flour in breadmaking. The genotype and environmental conditions affect the quantity and qualitative composition of starch and the ratio of different types of starch granules in wheat endosperm. In this work, the qualitative and quantitative content of gluten, starch and starch fractions in the grain of wheat samples with hard and soft endosperm was studied to assess variability of traits. Wholemeal flour was separated into gluten, starch and dietary fiber by the "plant on the table" method. The isolated starch was separated into fractions A and B. Starch granules were examined using laser-scanning microscopy to determine their size. The analysis showed that the hard-grain variety Novosibirskaya 67 and the soft-grain variety Golubka could be the donors of high content of starch A. The hybrid lines SSL-2, SSL-2 and Rodina-M1 can be the donors of high content of starch B. For the studied samples, the proportion of small starch granules (<10 µm) was associated with grain endosperm structure.
淀粉是小麦胚乳的主要成分之一,用于生产食品和非食品产品。淀粉的成分和含量在很大程度上决定了面包制作中面粉的质量。基因型和环境条件会影响小麦胚乳中淀粉的数量和质量组成以及不同类型淀粉颗粒的比例。在这项工作中,研究了硬胚乳和软胚乳小麦样品颗粒中面筋、淀粉和淀粉组分的定性和定量含量,以评估性状的变异性。采用 "桌上植物 "法将全麦面粉分离成面筋、淀粉和膳食纤维。用激光扫描显微镜检查淀粉颗粒以确定其大小。分析表明,硬粒品种 "新西伯利亚 67 "和软粒品种 "戈卢布卡 "是淀粉 A 含量较高的供体;杂交品系 SSL-2、SSL-2 和 Rodina-M1 是淀粉 B 含量较高的供体。
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引用次数: 0
Some species of the genus Fagopyrum: chemical composition, pharmacological effects, prospects of use 椑木属的一些物种:化学成分、药理作用和使用前景
Pub Date : 2024-02-07 DOI: 10.14258/jcprm.20240112933
Alexander Vladimirovich Mitishev, A. S. Fednina, Evgeniy Evgenievich Kurdyukov, Marina Igorevna Ulanova
This review analyzes and summarizes the information of research by domestic and foreign scientists on the chemical composition, pharmacological activity of metabolites of plants of the genus Fagopyrum. The genus Fagopyrum, a member of the Polygonaceae family, includes 15 species, most of them are cultivated on an industrial scale on the territory of the Russian Federation, China, India, Indonesia and North American countries. The greatest interest in medicine and pharmacy is represented by four types of buckwheat: seed buckwheat (Fagopyrum esculentum) and Tatar buckwheat (Fagopyrum tataricum), perennial buckwheat (Fagopyrum dibotrys) and red-stem buckwheat (Fagopyrum rubricaulis). These types are widely used in traditional medicine of China, Tibet, the Russian Federation, for the treatment of lung diseases, skin, edematous syndromes and infectious diseases. Currently, more than 150 compounds related to flavonoids, phenylpropanoids, tannins, phagopyritols, triterpenoids, steroids, fatty acids, essential oils, alkaloids, anthraquinones, coumarins, vitamins, amino acids, macro- and microelements have been isolated and identified from the studied buckwheat species. Extracts and isolated individual compounds have a wide range of pharmacological effects: antitumor, antioxidant, anti-inflammatory, hepatoprotective, hypoglycemic, antiallergic, antibacterial, angioprotective and adaptogenic. The information given in the review indicates that plants of the genus Fagopyrum are promising for further study and use in various industries.
这篇综述分析和总结了国内外科学家对番木瓜属植物代谢物的化学成分和药理活性的研究信息。蓼科番杏属包括 15 个物种,其中大部分在俄罗斯联邦、中国、印度、印度尼西亚和北美国家进行工业化栽培。在医学和药学方面,人们最感兴趣的是四种荞麦:种子荞麦(Fagopyrum esculentum)和鞑靼荞麦(Fagopyrum tataricum)、多年生荞麦(Fagopyrum dibotrys)和红茎荞麦(Fagopyrum rubricaulis)。在中国、西藏和俄罗斯联邦的传统医学中,这些种类的荞麦被广泛用于治疗肺病、皮肤病、水肿综合症和传染病。目前,已从所研究的荞麦品种中分离并鉴定出 150 多种化合物,包括黄酮类、苯丙酮类、单宁酸类、噬螨醇类、三萜类、甾体类、脂肪酸类、精油类、生物碱类、蒽醌类、香豆素类、维生素类、氨基酸类、宏量和微量元素类。提取物和分离出的单个化合物具有广泛的药理作用:抗肿瘤、抗氧化、抗炎、保肝、降血糖、抗过敏、抗菌、血管保护和适应原。综述中提供的信息表明,椑木属植物有望在各行业中得到进一步研究和利用。
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引用次数: 0
Some species of the genus Fagopyrum: chemical composition, pharmacological effects, prospects of use 椑木属的一些物种:化学成分、药理作用和使用前景
Pub Date : 2024-02-07 DOI: 10.14258/jcprm.20240112933
Alexander Vladimirovich Mitishev, A. S. Fednina, Evgeniy Evgenievich Kurdyukov, Marina Igorevna Ulanova
This review analyzes and summarizes the information of research by domestic and foreign scientists on the chemical composition, pharmacological activity of metabolites of plants of the genus Fagopyrum. The genus Fagopyrum, a member of the Polygonaceae family, includes 15 species, most of them are cultivated on an industrial scale on the territory of the Russian Federation, China, India, Indonesia and North American countries. The greatest interest in medicine and pharmacy is represented by four types of buckwheat: seed buckwheat (Fagopyrum esculentum) and Tatar buckwheat (Fagopyrum tataricum), perennial buckwheat (Fagopyrum dibotrys) and red-stem buckwheat (Fagopyrum rubricaulis). These types are widely used in traditional medicine of China, Tibet, the Russian Federation, for the treatment of lung diseases, skin, edematous syndromes and infectious diseases. Currently, more than 150 compounds related to flavonoids, phenylpropanoids, tannins, phagopyritols, triterpenoids, steroids, fatty acids, essential oils, alkaloids, anthraquinones, coumarins, vitamins, amino acids, macro- and microelements have been isolated and identified from the studied buckwheat species. Extracts and isolated individual compounds have a wide range of pharmacological effects: antitumor, antioxidant, anti-inflammatory, hepatoprotective, hypoglycemic, antiallergic, antibacterial, angioprotective and adaptogenic. The information given in the review indicates that plants of the genus Fagopyrum are promising for further study and use in various industries.
这篇综述分析和总结了国内外科学家对番木瓜属植物代谢物的化学成分和药理活性的研究信息。蓼科番杏属包括 15 个物种,其中大部分在俄罗斯联邦、中国、印度、印度尼西亚和北美国家境内进行工业化栽培。在医学和药学方面,人们最感兴趣的是四种荞麦:种子荞麦(Fagopyrum esculentum)和鞑靼荞麦(Fagopyrum tataricum)、多年生荞麦(Fagopyrum dibotrys)和红茎荞麦(Fagopyrum rubricaulis)。在中国、西藏和俄罗斯联邦的传统医学中,这些类型的荞麦被广泛用于治疗肺病、皮肤病、水肿综合症和传染病。目前,已从所研究的荞麦品种中分离并鉴定出 150 多种化合物,包括黄酮类、苯丙酮类、单宁酸类、噬螨醇类、三萜类、甾体类、脂肪酸类、精油类、生物碱类、蒽醌类、香豆素类、维生素类、氨基酸类、宏量和微量元素类。提取物和分离出的单个化合物具有广泛的药理作用:抗肿瘤、抗氧化、抗炎、保肝、降血糖、抗过敏、抗菌、血管保护和适应原。综述中提供的信息表明,椑木属植物有望在各行业中得到进一步研究和利用。
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引用次数: 0
What is lignin - the evolution of views (review) 什么是木质素--观点的演变(回顾)
Pub Date : 2024-02-06 DOI: 10.14258/jcprm.20240112046
Eduard Ivanovich Yevstigneyev
The review considers changes in ideas about the biosynthesis, structure and functions of lignin in plants, starting from early mentions and up to the present. Alternative points of view on the process of lignin biosynthesis, its spatial and supramolecular structure, and the nature of lignincarbohydrate bonds are presented. A special place in the review is occupied by the results of studies of lignin modification with the aim of reducing the content and changing the composition of monomer units by genetic engineering methods. Comparison of the structure of lignins isolated from transgenic and mutant trees, as well as herbaceous plants, showed that lignin biosynthesis is plastic and, in addition to canonical monolignols (coniferyl, synapic, and coumaric alcohols), other phenolic compounds can also participate in it. The study of the so-called "stress lignins" showed that lignin plays an important role in protecting plants from adverse environmental influences: mechanical damage, drought, low temperatures, pathogens, etc. The results of studies of the genetic modification of lignin made it possible to outline a program for directed modification of the biosynthesis process in order to obtain designer lignins, i.e. lignins with desired properties. This group also includes the so-called zip-lignins. They are distinguished by the presence of ester bonds between phenylpropane units. It is noted that, when conducting research in the field of genetic engineering, it is necessary to find a compromise between improving the processing of plant materials due to the modification of lignin and the viability of transgenic plants.
这篇综述探讨了有关植物中木质素的生物合成、结构和功能的观点变化,从早期的提法一直到现在。书中介绍了关于木质素生物合成过程、其空间和超分子结构以及木质素碳水化合物键性质的不同观点。本综述的一个特别部分是对木质素改性的研究成果,目的是通过基因工程方法降低木质素的含量并改变其单体单元的组成。对从转基因和突变树木以及草本植物中分离出来的木质素结构进行比较后发现,木质素的生物合成具有可塑性,除了典型的单木质醇(针叶醇、合木醇和香豆醇)外,其他酚类化合物也能参与其中。对所谓 "胁迫木质素 "的研究表明,木质素在保护植物免受不利环境影响(机械损伤、干旱、低温、病原体等)方面发挥着重要作用。对木质素基因改造的研究结果使我们有可能勾勒出一个对生物合成过程进行定向改造的方案,以获得特制木质素,即具有所需特性的木质素。这类木质素还包括所谓的拉链木质素。它们的特点是在苯基丙烷单元之间存在酯键。值得注意的是,在进行基因工程领域的研究时,有必要在通过改变木质素来改善植物材料的加工性能和转基因植物的生存能力之间找到一个折中点。
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引用次数: 0
What is lignin - the evolution of views (review) 什么是木质素--观点的演变(回顾)
Pub Date : 2024-02-06 DOI: 10.14258/jcprm.20240112046
Eduard Ivanovich Yevstigneyev
The review considers changes in ideas about the biosynthesis, structure and functions of lignin in plants, starting from early mentions and up to the present. Alternative points of view on the process of lignin biosynthesis, its spatial and supramolecular structure, and the nature of lignincarbohydrate bonds are presented. A special place in the review is occupied by the results of studies of lignin modification with the aim of reducing the content and changing the composition of monomer units by genetic engineering methods. Comparison of the structure of lignins isolated from transgenic and mutant trees, as well as herbaceous plants, showed that lignin biosynthesis is plastic and, in addition to canonical monolignols (coniferyl, synapic, and coumaric alcohols), other phenolic compounds can also participate in it. The study of the so-called "stress lignins" showed that lignin plays an important role in protecting plants from adverse environmental influences: mechanical damage, drought, low temperatures, pathogens, etc. The results of studies of the genetic modification of lignin made it possible to outline a program for directed modification of the biosynthesis process in order to obtain designer lignins, i.e. lignins with desired properties. This group also includes the so-called zip-lignins. They are distinguished by the presence of ester bonds between phenylpropane units. It is noted that, when conducting research in the field of genetic engineering, it is necessary to find a compromise between improving the processing of plant materials due to the modification of lignin and the viability of transgenic plants.
这篇综述探讨了有关植物中木质素的生物合成、结构和功能的观点变化,从早期的提法一直到现在。书中介绍了关于木质素生物合成过程、其空间和超分子结构以及木质素碳水化合物键性质的不同观点。本综述的一个特别部分是对木质素改性的研究成果,目的是通过基因工程方法降低木质素的含量并改变其单体单元的组成。对从转基因和突变树木以及草本植物中分离出来的木质素结构进行比较后发现,木质素的生物合成具有可塑性,除了典型的单木质醇(针叶醇、合木醇和香豆醇)外,其他酚类化合物也能参与其中。对所谓 "胁迫木质素 "的研究表明,木质素在保护植物免受不利环境影响(机械损伤、干旱、低温、病原体等)方面发挥着重要作用。对木质素基因改造的研究结果使我们有可能勾勒出一个对生物合成过程进行定向改造的方案,以获得特制木质素,即具有所需特性的木质素。这类木质素还包括所谓的拉链木质素。它们的特点是在苯基丙烷单元之间存在酯键。值得注意的是,在进行基因工程领域的研究时,有必要在通过改变木质素来改善植物材料的加工性能和转基因植物的生存能力之间找到一个折中点。
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引用次数: 0
RESEARCH OF PHYSICAL AND CHEMICAL PROPERTIES OF WOOD PULSE ACTIVATED BY HYDRODYNAMIC METHOD 流体动力法活化木脉冲的物理和化学特性研究
Pub Date : 2023-10-02 DOI: 10.14258/jcprm.20230311513
Natal'ya Yur'yevna Demidenko, Mihail A. Bayandin, A. V. Namyatov, Vladimir Nikolayevich Yermolin
The work studied the effect of mechanical activation, hydrodynamically, on the physico-chemical properties of soft waste from mechanical processing of wood (sawdust). As a result of research, it has been established that during cavitation treatment, the chemical structure of sawdust is transformed, which ensures the production of hydrodynamically activated wood particles with a high content of reactive surface functional groups, which is caused by a change in the ligno-carbohydrate complex. It has been established that as a result of hydrodynamic activation, the amount of difficult-to-hydrolyze polysaccharides is reduced by 37%, while the proportions of easily hydrolyzable substances and substances of phenolic nature increase, respectively, by 12 and 25%. The transformation of the ligno-carbohydrate complex of wood particles during cavitation largely determines the change in the characteristics of their porous structure. An increase in the number of micropores by 1.5 times and large transport pores by 3 times during the cavitation process was established. The results obtained largely prove that the physical and chemical properties of hydrodynamically activated wood particles largely determine the possibility of obtaining non-toxic wood materials with high physical and mechanical properties without piezo-thermal effects.
这项工作研究了流体力学机械活化对木材机械加工软废物(锯屑)物理化学特性的影响。研究结果表明,在空化处理过程中,锯屑的化学结构发生了变化,这确保了产生具有高活性表面官能团的流体力学活化木材颗粒,而这是由木糖复合物的变化引起的。研究表明,经过流体力学活化后,难水解多糖的含量减少了 37%,而易水解物质和酚类物质的比例分别增加了 12% 和 25%。空化过程中木质颗粒的木糖复合物的变化在很大程度上决定了其多孔结构特征的变化。在空化过程中,微孔数量增加了 1.5 倍,大传输孔增加了 3 倍。所获得的结果在很大程度上证明,水动力活化木质颗粒的物理和化学特性在很大程度上决定了在无压电热效应的情况下获得具有高物理和机械特性的无毒木质材料的可能性。
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引用次数: 0
PAPER AND THIN-LAYER CHROMATOGRAPHY IN THE IDENTIFICATION OF HYDROXYCINNAMIC ACIDS IN PLANT RAW MATERIALS (REVIEW). MESSAGE 1 纸和薄层色谱法在植物原料中羟基肉桂酸鉴定中的应用(综述)。信息 1
Pub Date : 2023-10-02 DOI: 10.14258/jcprm.20230312090
Evgenia Vladimirovna Kompantseva, A. Saushkina
Hydroxycinnamic acids (HCC) are one of the types of biologically active compounds (BAC) synthesized by plants. Along with carbohydrates and proteins, HCCs are the most common compounds in the plant world and are found in almost all higher plants in free form, as part of esters and glycosides. Although the pharmacological activity of most HCCs has not been studied enough yet, however, its spectrum is quite wide. Many wild plants, which are currently used mainly in ethnoscience and traditional medicine, are cheap, affordable raw materials that are promising for introduction into the medical and pharmaceutical practice of our country as potential medicines. Therefore, the search for new plant species that are interesting for detailed study and the creation of modern medicines containing HCC on their basis is an scientific research area of current interest. The review is devoted to the study and systematization of paper and thin-layer chromatography methods used to determine the composition of HCC in plant raw materials growing on the territory of the Russian Federation as a potential raw material base of polyphenolic compounds. The review uses 80 sources of domestic scientific literature for the period from 2007 to 2022 inclusive, which show the results of the use of thin-layer (TLC) and paper (PC) chromatography for the study, identification and standardization of plant raw materials by the content of hydroxycinnamic acids (HCC). The research method used was a retrospective information and analytical analysis of the of Russian scientific literature sources.
羟基肉桂酸(HCC)是植物合成的生物活性化合物(BAC)类型之一。与碳水化合物和蛋白质一样,羟基肉桂酸是植物世界中最常见的化合物,几乎所有的高等植物都能以游离态、酯类和苷类的形式发现羟基肉桂酸。虽然对大多数 HCCs 的药理活性研究还不够深入,但其作用范围相当广泛。 目前主要用于民族科学和传统医学的许多野生植物都是廉价的原材料,很有希望作为潜在药物引入我国的医疗和制药实践中。因此,寻找有兴趣进行详细研究的植物新物种,并在此基础上创造出含有 HCC 的现代药物,是当前令人感兴趣的科学研究领域。 本综述专门研究和系统整理了用于确定俄罗斯联邦境内生长的植物原料中 HCC 成分的纸层析法和薄层色谱法,这些植物原料是潜在的多酚化合物原料基地。 综述使用了 80 篇国内科学文献,时间跨度为 2007 年至 2022 年(含 2022 年),这些文献显示了使用薄层色谱法(TLC)和纸色谱法(PC)研究、鉴定和标准化植物原料中羟基肉桂酸(HCC)含量的结果。 采用的研究方法是对俄罗斯科学文献资料进行回顾性信息和分析。
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引用次数: 0
ISOLATION AND STUDY OF POLYSACCHARIDES OF MARGILAN RADISH RAPHANUS SATIVUS 马格兰萝卜多糖的分离与研究
Pub Date : 2023-10-02 DOI: 10.14258/jcprm.20230311689
Y. Oshchepkova, S. I. Salikhov
The purpose of this research is to isolate and study the physicochemical characteristics of polysaccharides in the seeds of the Margilan radish of the Brassicaceae family cultivated in the Republic of Uzbekistan. For the first time, a water-soluble fraction of polysaccharides was isolated from radish seeds by sowing Margilan successive extraction after the extraction of proteins and polyphenols. Anion exchange chromatography and gel filtration were used to obtain homogeneous polysaccharides. The polysaccharide fraction was separated by ion-exchange chromatography, purified on a Sephadex G-100 column. As a result, two polysaccharides RSP1 and RSP2 were obtained. The monosaccharide composition of the isolated polysaccharides was established. Analysis of monosaccharide residues showed that the composition of the RSP1 polysaccharide is represented by monosaccharides in the following composition: rhamnose - 0.7%, ribose - 4.7%, arabinose - 55.6%, xylose - 1.5%, mannose - 3.7%, glucose - 5.1% and galactose - 28.7%. The composition of the RSP2 polysaccharide is represented by monosaccharides: ribose - 2.8%, arabinose - 9.4%, mannose - 0.9%, glucose - 64.9% and galactose - 18.4%. From the obtained results, it can be seen that the RSP1 polysaccharide consists mainly of arabinose (55.6%) and galactose (28.7%) residues and belongs to the type of arabinogalactans, and the RSP2 polysaccharide mainly consists of glucose residues (64.9%) and galactose (18.4%).
本研究的目的是分离和研究乌兹别克斯坦共和国栽培的十字花科马吉兰萝卜种子中多糖的理化特性。 在提取蛋白质和多酚之后,通过播种玛吉兰连续提取,首次从萝卜种子中分离出多糖的水溶性部分。采用阴离子交换色谱法和凝胶过滤法获得均匀的多糖。多糖部分经离子交换色谱分离,在 Sephadex G-100 柱上纯化。结果得到两种多糖 RSP1 和 RSP2。确定了分离多糖的单糖组成。单糖残基分析表明,RSP1 多糖的单糖组成如下:鼠李糖-0.7%、核糖-4.7%、阿拉伯糖-55.6%、木糖-1.5%、甘露糖-3.7%、葡萄糖-5.1%和半乳糖-28.7%。RSP2 多糖的组成以单糖为代表:核糖 - 2.8%,阿拉伯糖 - 9.4%,甘露糖 - 0.9%,葡萄糖 - 64.9%,半乳糖 - 18.4%。从所得结果可以看出,RSP1 多糖主要由阿拉伯糖(55.6%)和半乳糖(28.7%)残基组成,属于阿拉伯半乳聚糖类型,而 RSP2 多糖主要由葡萄糖残基(64.9%)和半乳糖(18.4%)组成。
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引用次数: 0
CHEMICAL ANALYSIS AND BIOLOGICAL ACTIVITY OF TURKESTAN SOAPROOT ALLOCHRUSA GYP-SOPHILOIDES (REGEL) SCHISCHK GROWING IN THE SOUTH OF KAZAKHSTAN 生长在哈萨克斯坦南部的土耳其皂根 allochrusa gyp-sophiloides (regel) schischk 的化学分析和生物活性
Pub Date : 2023-10-02 DOI: 10.14258/jcprm.20230311993
V. Mursaliyeva, T. Mukhanov, N. Gemejiyeva, B. Yeskaliyeva
Allochrusa gypsophiloides (Regel) Schischk. Turkestan soaproot (TSR), a Central Asian endemic has commercial value as a producer of triterpene saponins. Spectrophotometric determination of saponins was carried out in the roots and the aerial part of wild plants during vegetation in the south of Kazakhstan. The level of saponins, phenols, and flavonoids in the seeds, aerial parts, and roots was assessed. The following ascending order in the saponins content: seeds-aerial part-root, was revealed. An increase in the saponins levels in the roots during the growing season with a maximum of 9.6% in fruiting was established. A high saponins amount (6%) was detected in the aerial part during the flowering which decreased twice at the fruiting. The antioxidant activity and foaming index of the total ethanol extracts from the initial and deposited plant materials were determined. The maximum antioxidant activity (35.5%) and antiradical properties (IC50 1480) in vitro were found in extracts from the aerial part with the highest content of flavonoids and phenols. It was revealed that long-term storage of roots contributes to an increase in saponins levels and in their surfactant properties. The data obtained indicate the possibility of alternative use of the aerial parts of Allochrysa gypsophiloides at the flowering for obtaining triterpene saponins and phenolic substances with antioxidant activity.
土耳其皂根(TSR)是一种中亚特有植物,具有生产三萜皂甙的商业价值。突厥斯坦皂根(TSR)是中亚特有的植物,具有生产三萜皂苷的商业价值。分光光度法测定了哈萨克斯坦南部植被中野生植物根部和气生部分的皂苷含量。对种子、气生部分和根中的皂苷、酚类和类黄酮含量进行了评估。结果显示,皂苷含量由高到低的顺序为:种子-气生部分-根。在生长季节,根部的皂苷含量有所增加,在结果期最高达到 9.6%。在开花期,气生部分的皂苷含量较高(6%),而在结果期,气生部分的皂苷含量下降了两倍。测定了从初始植物材料和沉积植物材料中提取的乙醇总萃取物的抗氧化活性和发泡指数。从黄酮类化合物和酚类化合物含量最高的气生部分提取物中发现了最高的体外抗氧化活性(35.5%)和抗自由基特性(IC50 1480)。研究还发现,长期储存根茎可提高皂苷含量和表面活性剂特性。所获得的数据表明,有可能在开花期替代使用杓羹草的气生部分,以获得具有抗氧化活性的三萜皂苷和酚类物质。
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引用次数: 0
ORGANIC ACIDS OF THE FRUITS OF STAGHORN SUMAC (RHUS TYPHINA L.) 鹿角苏木(Rhus typhina L.)果实的有机酸
Pub Date : 2023-10-02 DOI: 10.14258/jcprm.20230311734
Ivan Viktorovich Popov, Viktoriya Nodar'yevna Leonova, Ol'ga Ivanovna Popova
Staghorn sumac (Rhus typhina L.) of the Anacardiaceae family is a deciduous tree originating from North America, cultivated in Russia. The aim of the work was to determine the organic acids in the fruits of staghorn sumac. The object of the study was the fruits of staghorn sumac, fresh, dried and overwintered (last year). For qualitative analysis of ascorbic acid and organic acids, extracts were obtained in three ways: in a flask in a water bath with a reverse refrigerator, in infusion mode, in decoction mode. The determination of organic acids was carried out using qualitative reactions, as well as by thin-layer chromatography and high-performance liquid chromatography. By the method of thin-layer chromatography in extracts from three samples of raw materials were identified oxalic, tartaric, citric, ascorbic and malic acids. The method of high-performance liquid chromatography confirmed the presence of five organic acids. The content of the sum of organic acids was: in fresh fruits – 6.52%, in dry fruits – 6.26%, in overwintered fruits – 6.35%. The content of ascorbic acid is 0.78%, 0.75% and 0.76%, respectively. The high content of the sum of organic acids and ascorbic acid allows us to consider the fruits of staghorn sumac as a valuable source of biologically active compounds.
无患子科的鹿角苏木(Rhus typhina L.)是一种落叶乔木,原产于北美洲,在俄罗斯有栽培。这项工作的目的是测定鹿角刺槐果实中的有机酸。研究对象是新鲜、干燥和越冬(去年)的鹿角刺槐果实。为了对抗坏血酸和有机酸进行定性分析,提取物通过三种方式获得:在带有反向制冷机的水浴烧瓶中提取、浸泡方式提取和煎煮方式提取。有机酸的测定采用定性反应、薄层色谱法和高效液相色谱法。通过薄层色谱法,从三个原料样品的提取物中鉴定出草酸、酒石酸、柠檬酸、抗坏血酸和苹果酸。高效液相色谱法证实了五种有机酸的存在。有机酸总和的含量为:鲜果 - 6.52%,干果 - 6.26%,越冬果 - 6.35%。抗坏血酸的含量分别为 0.78%、0.75% 和 0.76%。有机酸和抗坏血酸总和的高含量使我们可以将鹿角苏木的果实视为生物活性化合物的宝贵来源。
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引用次数: 0
期刊
chemistry of plant raw material
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