Comparative study on the difference of saponins and nutrients in Panax notoginseng powder dried by new rapid drying technique and traditional hot air.

Panax notoginseng (Burk.) F. H.

Secondary metabolites from the fungus .

A new cladosporol derivative xylophilum A (), together with 10 known compounds (-), were isolated from the rice fermentation of the fungus . Their structures were established by extensive spectroscopic methods and comparison of their NMR data with literatures. The antimicrobial activity of compound against 11 kinds of pathogenic microbial was evaluated, but no significant activity was found (MIC >100 μg/ml).

Selection and application of aptamers for p-hydroxybenzyl hydrogen sulfite after Gastrodia elata Bl. fumigated with sulfur.

Gastrodia elata Bl. is a widely used traditional Chinese medicine known for its medicinal properties. However, during the drying process, G.

[Physiological and biochemical mechanisms of brassinosteroid in improving anti-cadmium stress ability of Panax notoginseng].

In this study, the effect of brassinosteroid(BR) on the physiological and biochemical conditions of 2-year-old Panax notoginseng under the cadmium stress was investigated by the pot experiments. The results showed that cadmium treatment at 10 mg·kg~(-1) inhibited the root viability of P. notoginseng, significantly increased the content of H_2O_2 and MDA in the leaves and roots of P.

[Effects of propiconazole on physiological and biochemical properties of Panax notoginseng and dietary risk assessment].

To study the residue and dietary risk of propiconazole in Panax notoginseng and the effects on physiological and bioche-mical properties of P. notoginseng, we conducted foliar spraying of propiconazole on P. notoginseng in pot experiments.

Production of Minor Ginsenosides from Flowers by .

flowers have the highest content of saponins compared to the other parts of , but minor ginsenosides have higher pharmacological activity than the main natural ginsenosides. Therefore, this study focused on the transformation of the main ginsenosides in flowers to minor ginsenosides using the fungus of isolated from soil. The main ginsenosides Rb, Rb, Rb, and Rc and the notoginsenoside Fa in flowers were transformed into the ginsenosides F and Rd, the notoginsenosides Fd and Fe, and the ginsenoside R; the conversion rates were 100, 100, 100, 88.

Increasing Expression of and Provides Insights Into the Enlargement of Root Size From Dynasty to Cultivation Era.

Root size is a key trait in plant cultivation and can be influenced by the cultivation environment. However, physical evidence of root size change in a secular context is scarce due to the difficulty in preserving ancient root samples, and how they were modified during the domestication and cultivation stays unclear. About 100 ancient root samples of , preserved as tribute in the Palace Museum (A.

Four New Sesquiterpenoids from the Rice Fermentation of .

Albocimea B-E (-), four new sesquiterpenoids, and four known compounds, steperoxide A (), dankasterone (), 1-indole-3-carboxylic acid (), and (+)-formylanserinone B (), were isolated from the rice fermentation of the fungus . The structures of new compounds were elucidated by comprehensive spectroscopic techniques, the planar structures of new compounds were determined by comprehensive spectroscopic techniques, and their absolute configurations were confirmed via gauge-independent atomic orbital calculations (GIAO), calculation of the electronic circular dichroism (ECD), and optical rotation (OR). These were determined by spectroscopic data analysis.

Transcriptome analysis reveals putative pathogenesis genes in Alternaria panax during infecting Panax notoginseng leaves.

Background: Alternaria panax is the causative agent of black spot disease in Panax notoginseng, which causes significant yield loss. However, the molecular mechanisms underlying its pathogenicity remain mostly unknown.

Objective: We sequenced the transcriptome of A.

Highly Regioselective Biotransformation of Protopanaxadiol-type and Protopanaxatriol-type Ginsenosides in the Underground Parts of to 18 Minor Ginsenosides by .

The transformation of major ginsenosides to minor ginsenosides by microorganisms was considered to be an environmentally friendly method. Compared with GRAS (generally recognized as safe) strains, non-food-grade microorganisms could transform polar ginsenosides to various minor ginsenosides. In this study, screened from the rhizosphere was capable of transforming PPD-type and PPT-type ginsenosides in the underground parts of to 18 minor ginsenosides.

[Research progress on pesticide residues of Panax notoginseng].

Panax notoginseng is a perennial Chinese medicinal plant, which has serious continuous cropping obstacles and is prone to a variety of diseases and insect pests during the growth process. At present, the prevention and control of pests and diseases is mainly carried out through chemical pesticides, and the consequent pesticide residues of P. notoginseng have attracted much attention.

Rapid determination and dietary intake risk assessment of 249 pesticide residues in Panax notoginseng.

UPLC-MS/MS and GC-MS/MS were used to establish a method to simultaneously determine various pesticide residues in Panax notoginseng. Results showed that the limits of detection of 249 pesticides were all 5-10 μg/kg. The detection rate of pesticides in 121 P.

[Contributions and strategies of eco-agriculture of Chinese medicine services for carbon dioxide peaking and carbon neutrality].

Carbon dioxide peaking and carbon neutrality have become hot issues of political and economic activities in China and abroad. The structure and development of various industries in China will be profoundly affected in the process of accomplishing "Dual Carbon" goals. Eco-agriculture of Chinese medicine(EACM) highlights the balance and sustainable development of the ecosystem while producing high-quality medicinal materials.

A new chamigrane sesquiterpene from the rice fermentation of .

A new chamigrane sesquiterpene, albocimea A (), and one known compound, 6-hydroxy-8-methoxy-3,5-dimethylisochroman (), were isolated from the rice fermentation of the fungus . The structure of new compound was elucidated by extensive spectroscopic analyses and electronic circular dichroism (ECD) calculations. Both compounds were evaluated for their cytotoxicity against five human cancer cell lines, but no significant cytotoxicity was found (IC values > 40 μM).

The role of microbiota in respiratory health and diseases, particularly in tuberculosis.

Trillions of beneficial and hostile microorganisms live in the human respiratory and gastrointestinal tracts, which act as gatekeepers in maintaining human health, i.e., protecting the body from pathogens by colonizing mucosal surfaces with microbiota-derived antimicrobial metabolites such as short-chain fatty acids or host-derived cytokines and chemokines.

[Development and application of chloroplast molecular markers in Panax notoginseng].

The molecular markers(cpSSR, cpSNP and cpIndel) were developed based on the whole genome sequence of Panax notoginseng chloroplast genome, which provide a powerful tool for the evaluation and analysis of the future P. notoginseng germplasm resources. The 89 P.

One new sterpurane sesquiterpene from cultures of the basidiomycete .

One new sterpurane sesquiterpene (), named (3,6,7,8,10)-3,7,14-trihydroxy-1-sterpurene was isolated from cultures of the basidiomycete The structure of new compound was elucidated by extensive spectroscopic. Additionally, a single crystal X-ray diffraction not only confirmed the structure, but also determined the absolute configuration of the new compound. The compound was evaluated for cytotoxicity against five human cancer cell lines, but no significant cytotoxicity were found (IC values > 40 μM).

Converting ginsenosides from stems and leaves of by microwave processing and improving their anticoagulant and anticancer activities.

A microwave processing technology was applied to degrade saponins from the stems and leaves of . Six transformation products (1-6), named 20()-ginsenoside Rg (1), 20()-ginsenoside Rg (2), notoginsenoside SFt (3), ginsenoside Rk (4), ginsenoside Rg (5), and 20()-ginsenoside Rh (6) were isolated and identified from a microwave processed extract of the stems and leaves of (MEL). This transformation method was also applied for producing the minor ginsenosides in flowers, seeds and pedicels of .

Optimization of Flavonoids Extraction Process in Stem Leaf and a Study of Antioxidant Activity and Its Effects on Mouse Melanoma B16 Cells.

The () stem leaf is rich in flavonoids. However, because of a lack of research on the flavonoid extraction process and functional development of stem leaf, these parts are discarded as agricultural wastes. Therefore, in this study, we intend to optimize the extraction process and develop the skin-whitening functions of stem leaf extracts.

iTRAQ-based proteomics screen for potential regulators of wheat (Triticum aestivum L.) root cell wall component response to Al stress.

Objective: The inhibition of Aluminum (Al)-induced root tip cell elongation is a major cause of plant root elongation suppression. The inhibition of root tip cell elongation is caused by a disruption of cell wall component metabolism, growth signaling, or cellular damage. The aim of this study was to identify the proteins involved in the metabolism of the root cell wall components under Al stress in the Al-tolerant wheat (Triticum aestivum L.

Two new sesquiterpenes from cultures of the higher fungus .

Two new sesquiterpenes (), along with one known sesquiterpene (), were isolated from cultures of the higher fungus The structures of new compounds were elucidated by extensive spectroscopic methods. The known compound was identified by comparing its spectroscopic data with those reported in the literature. All compounds were evaluated for their cytotoxicities against five human cancer cell lines.

[Functional analysis of a chitinase gene PnCHI1 from Panax notoginseng].

Chitinases, a glycosidase enzyme that hydrolyzes chitin to N-acetylglucosamine, are widely found in plant cells, and they are an important part of plant antifungal defense system. The function of a Panax notoginseng chitinase gene PnCHI1 was characterized in this paper. Expression vector of PnCHI1 was constructed and transiently expressed in onion epidermal cells, and laser scanning confocal microscopy demonstrated that PnCHI1 was localized in the cell wall.