Phytochemistry Studies

[Discovery, isolation and structural identification of alkaloid glycosides in six traditional Chinese medicine such as Coptis chinensis].

UPLC-QTOF-MS/MS identified 42 alkaloid glycosides, including two potentially new compounds, in traditional Chinese medicines. This aids in understanding their chemical composition and isolating alkaloid glycosides in other herbal medicines.

Wang R et al (2023).
Zhongguo Zhong Yao Za Zhi.
PubMed:
37802799

[New steroidal saponins from aerial parts of Paris polyphylla var. chinensis].

The researchers studied the chemical compositions of the aerial parts of Paris polyphylla var. chinensis and identified five new compounds. This research is important for the comprehensive utilization and development of waste parts of the plant.

Zheng ZL et al (2023).
Zhongguo Zhong Yao Za Zhi.
PubMed:
37802798

Antidermatophytic quinolizidine alkaloids from Calpurnia aurea subsp. aurea (Aiton) Benth.

Scientists isolated and identified eight quinolizidine alkaloids from a Kenyan medicinal plant. These compounds showed antidermatophytic activity against common fungal causes of tinea infections in humans at varying concentrations.

Wanga LA, Indieka AS and Matasyoh JC (2023).
Fitoterapia.
PubMed:
37802229

Peppermint essential oil and its nano-emulsion: Potential against aflatoxigenic fungus Aspergillus flavus in food and feed.

This review discusses the potential of peppermint essential oils to combat Aspergillus flavus infestations and prevent the production of carcinogenic aflatoxin. It emphasizes the prospects of using these oils and plant-derived chemicals to develop novel antifungal agents and protect food from contamination.

Abd El-Hack ME et al (2023).
Toxicon.
PubMed:
37802220

Phenolic compounds profile of macerates of different edible parts of carob tree (Ceratonia siliqua L.) using UPLC-ESI-Q-TOF-MS(E): Phytochemical screening and biological activities.

Scientists prepared and analyzed extracts from locust bean pulp and gum, identifying 76 phenolic compounds. The extracts showed antimicrobial activity and strong antioxidant properties, making them potential natural alternatives for medicinal industry additives.

Djebari S et al (2023).
Fitoterapia.
PubMed:
37797792

Preparation and properties of films loaded with cellulose nanocrystals stabilized Thymus vulgaris essential oil Pickering emulsion based on modified tapioca starch/polyvinyl alcohol.

Cellulose nanocrystals were used to stabilize thymus vulgaris essential oil and create Pickering emulsions. These emulsions were loaded into modified tapioca/PVA-based films, which increased thickness, UV-blocking ability, and improved film properties for preserving fish fillets.

Guo X et al (2023).
Food Chem.
PubMed:
37797451

Validation and Quantitation of Fifteen Cannabinoids in Cannabis and Marketed Products Using High-Performance Liquid Chromatography-Ultraviolet/Photodiode Array Method.

This study developed a method to analyze and quantify 15 cannabinoids in cannabis. The method was sensitive, selective, reproducible, and accurate, making it useful for determining these compounds in cannabis plant materials and cannabis-based products.

Elhendawy MA et al (2023).
Cannabis Cannabinoid Res.
PubMed:
37797227