ArticleScientific reports2025
Modification, analysis and properties of Piper nigrum polysaccharide.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Currently, researchers have not yet found the antioxidant activity and structure of Piper nigrum L. polysaccharides (PNLP) and their modified derivatives. PNLP possesses advantages such as simple and stable structure, ease of separation and purification, high carbohydrate content, and excellent antioxidant activity, yet it remains largely undeveloped. This study aims to investigate the antioxidant activity and fundamental structure of PNLP and its three derivatives, and to provide a theoretical explanation for the relationship between them. Three derivatized polysaccharides, namely acetylated polysaccharides prepared from PNLP (Ac-PNLP), carboxymethylated polysaccharides prepared from PNLP (CM-PNLP) and phosphorylated polysaccharides prepared from PNLP (P-PNLP), which had degree of substitution (DS) of 0.41, 0.48, 0.11, and carbohydrate contents of 37.19%, 53.97%, and 36.83%, respectively. P-PNLP was shown to have good scavenging ability in DPPH radical scavenging and hydroxyl radical scavenging assays, and it was hypothesized that the antioxidant activity of the chemically modified PNLP was increased, which may be attributed to the introduction of the new functional groups and its altered structure-activity relationship resulted. This experiment provides insights into the structure and activity of PNLP and its derivatives, offering explanations for the relationship between the two. It establishes a theoretical foundation for the application of PNLP in the food and pharmaceutical industries.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.