Chemical Constituents from Turnip and Their Effects on α-Glucosidase

Paul, Swastika; Zhang, Xuemei; Yang, Yongping; Geng, Chang‐An

doi:10.32604/phyton.2020.08328

Cited by 4 publications

(1 citation statement)

References 20 publications

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“…One research on its chemical composition revealed that this plant is a rich resource of glucosinolates ( 1 , 5 , 6 ), phenolic compounds, organic acids ( 7 , 8 ), flavonoids ( 9 ), sulfur compounds ( 10 ), and volatiles ( 2 , 11 , 12 ), which has been found to contribute to different health-beneficial effects. A few studies revealed that turnip exhibits the bioactivities including anti-cancer ( 1 , 2 , 13 ), anti-bacteria ( 1 , 7 ), anti-oxidation ( 6 – 8 , 14 ), anti-radiation ( 15 ), and anti-diabetes ( 16 , 17 ). More recently, several novel biological effects, such as nephroprotection ( 18 ), hypoxia cerebral and pulmonary edema prevention ( 19 , 20 ), and osteoporosis prevention ( 15 ), have been reported to enrich turnip as a functional food.…”

Section: Introductionmentioning

confidence: 99%

A Critical Review on Phytochemical Profile and Biological Effects of Turnip (Brassica rapa L.)

2021

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A growing number of medicinal and edible plants have attracted increasing attention due to their abundant constituents and biological activities including turnip. Turnip (Brassica rapa L.) is an herbaceous biennial plant belonging to Cruciferae Brassica. As one of the oldest cultivated vegetables widely consumed in Asia, the turnip has received significant attention in the studies of its bioactive components and biological function. Multiple bioactive components in turnip, such as glucosinolates, isothiocyanate, phenolic compounds, flavonoids, and organic acids, were identified. The bioactivity studies on turnip revealed its anticancer, antimicrobe, anti-hypoxia, anti-diabetes, anti-oxidation, and nephroprotective activity. The present review mainly summarized the previous studies on the chemical compositions of turnip and the bioactivities associated with turnip. Further studies on the extraction and purification of compounds from a turnip as well as its potential molecular mechanisms are highly needed to utilize turnip as a functional food plant in a better way.

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Section: Introductionmentioning

confidence: 99%

A Critical Review on Phytochemical Profile and Biological Effects of Turnip (Brassica rapa L.)

2021

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Physicochemical characterization and biological activity of polysaccharides from the seeds of the turnip brassica rapa

Yuliya I,

Мunojat J,

Zulfizar N

et al. 2023

Int J Pharm Sci Dev Res

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Analysis of the monosaccharide composition showed that the composition of the neutral polysaccharide BSP-1-1 is represented by monosaccharides in the following composition: ribose – 5.05%, arabinose – 56.38%, mannose – 5.87%, glucose – 8.63% and galactose – 24.05%. The composition of the anionic polysaccharide BSP-2-1 is represented by monosaccharides: ribose – 6.35%, arabinose – 60.15%, mannose – 7.19%, glucose – 4.12% and galactose – 22.16%. It was determined that the isolated polysaccharides consist mainly of arabinose (BSP-1-1 – 56.3%, BSP-2-1 – 60%) and galactose (BSP-1-1 – 24%, BSP-2-1 – 22%). Based on the data obtained, it can be assumed that the studied polysaccharides from the seeds of the turnip Brassica rapa belong to the type of arabinogalactans. According to the results of studying the properties of acute toxicity of the BSP polysaccharide from the seeds of the turnip Brassica rapa, it was found that this substance belongs to class V compounds - practically non-toxic substances. With intragastric administration of inulin at doses of 25, 50, and 75 mg/kg and BSP polysaccharide from the seeds of the turnip Brassica rapa at doses of 10, 20 and 30 mg/kg 14 days after the induction of diabetes mellitus, the indicator was close to that of the intact group of animals (intact - 3.07 ± 0.25, inulin 2.99 - 3.14 ± 0.23, and BSP polysaccharide from the seeds of the turnip Brassica rapa 2.53-3.14 ± 0.20), while the indicator of the control group was - 8.40 ± 0.35. This study will provide an opportunity to plan and conduct studies to study the action of substances in the metabolism of glucose and lipids, which examines the enzymes that regulate the lipid activity of the liver, as well as the morphology of the liver and adipose tissue.

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Metabolic composition of endophytes contributed to the effect of Brassica rapa L. in improving immunity

Wei,

Wu,

Wei

et al. 2023

Preprint

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Background. As a medicinal plant, Brassica rapa L. contains various valuable metabolites and endophytes, and has been widely used in Northwest China. However, the detailed contributions of endophytes to the mechanisms of Brassica rapa L. improving immunity were still unknown. Previously, we isolated four endophyte fungi from Brassica rapa L.. Methods. In this study, we identified the effect of endophytes of metabolites of Brassica rapa L. and its extracts in improving immunity through triggering genes relevant to NF-kB and inflammatory pathways. Then, we performed GC-MS metabolomics to analyze the metabolic variations among these four endophytes. Results. The results showed that the metabolic compositions of PR10 significantly varied from other three endophytes. PR10 is rich in amino acids, which may affect amino acids compositions of Brassica rapa L.. And the PR10 extracts highly activated genes involved in NF-κB and inflammatory pathways, reaching a consensus with the effect of Brassica rapa L.. And the dominant metabolites of PR10 were also closely associate with various diseases, including pyruvate dehydrogenase deficiency, Heart failure and various Inflammatory diseases. Thus, Brassica rapa L. may improve the inflammatory-related diseases and immunity through its specific metabolic compositions associated with endophyte PR10. Typically, trehalose was the main metabolites that made contributions to the immune-promotion effects of PR10 and Brassica rapa L.. In conclusion, metabolites highly produced by PR10 explained the medicinal value of Brassica rapa L. in improving immunity.

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Chemical Constituents from Turnip and Their Effects on α-Glucosidase

Cited by 4 publications

References 20 publications

A Critical Review on Phytochemical Profile and Biological Effects of Turnip (Brassica rapa L.)

A Critical Review on Phytochemical Profile and Biological Effects of Turnip (Brassica rapa L.)

Physicochemical characterization and biological activity of polysaccharides from the seeds of the turnip brassica rapa

Metabolic composition of endophytes contributed to the effect of Brassica rapa L. in improving immunity

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