cyclodextrin inclusion
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Molecules ◽  
2022 ◽  
Vol 27 (2) ◽  
pp. 445
Author(s):  
Aikaterini Sakellaropoulou ◽  
Angeliki Siamidi ◽  
Marilena Vlachou

Melatonin (MLT) is involved in many functions of the human body, mainly in sleeping-related disorders. It also has anti-oxidant potential and has been proven very effective in the treatment of seasonal affective disorders (SAD), which afflict some people during short winter days. Melatonin has been implicated in a range of other conditions, including Parkinson’s disease, Alzheimer’s and other neurological conditions, and in certain cancers. Its poor solubility in water leads to an insufficient absorption that led scientists to investigate MLT inclusion in cyclodextrins (CDs), as inclusion of drugs in CDs is a way of increasing the solubility of many lipophilic moieties with poor water solubility. The aim of this review is to gather all the key findings on MLT/CD complexes. The literature appraisal concluded that MLT inclusion leads to a 1:1 complex with the majority of CDs and increases the solubility of the hormone. The interactions of MLT with CDs can be studied by a variety of techniques, such as NMR, FT-IR, XRD and DCS. More importantly, the in vivo experiments showed an increase in the uptake of MLT when included in a CD.


LWT ◽  
2022 ◽  
pp. 113090
Author(s):  
Prakash Chandra Pradhan ◽  
Abhishek Mandal ◽  
Anirban Dutta ◽  
Rohan Sarkar ◽  
Aditi Kundu ◽  
...  

2022 ◽  
Author(s):  
Xiaoyan Wang ◽  
Xiaona Hu ◽  
Shiqing Li ◽  
Wenhui Shi ◽  
Shujing Li ◽  
...  

The sustained-release antimicrobial nanofibers (PVA-Lut-IC-NF) were prepared by incorporating luteolin-hydroxypropyl-β-cyclodextrin inclusion complex (Lut-IC) into polyvinyl alcohol (PVA) via electrospinning technique. PVA-Lut-IC-NF has shown the excellent water-solubility and thermal stability. The...


2021 ◽  
Vol 23 (1) ◽  
pp. 455
Author(s):  
Marta Biernacka ◽  
Tatsiana Ilyich ◽  
Ilya Zavodnik ◽  
Bartłomiej Pałecz ◽  
Artur Stepniak

In the presented studies, the interactions between ezetimibe (EZE) and selected cyclodextrins were investigated. α-Cyclodextrin (αCD), β-cyclodextrin (βCD) and its modified derivatives, hydroxypropyl-β-cyclodextrin (HPβCD) and sulfobutylether-β-cyclodextrin (SBEβCD), were selected for the research. Measurements were carried out using calorimetric and spectroscopic methods. Additionally, the Hirshfeld surface and biochemical analysis were achieved. As a result of the study, the inclusion complexes with 1:1 stoichiometry were obtained. The most stable are the complexes of β-cyclodextrin and its derivatives. The comparison of βCD with its derivatives shows that the modifications have an affect on the formation of more durable and stable complexes.


Molecules ◽  
2021 ◽  
Vol 27 (1) ◽  
pp. 51
Author(s):  
Huili Shao ◽  
Bingqian Li ◽  
Huan Li ◽  
Lei Gao ◽  
Chao Zhang ◽  
...  

Toad venom contains a large number of bufadienolides, which have a variety of pharmacological activities, including antitumor, cardiovascular, anti-inflammatory, analgesic and immunomodulatory effects.. The strong antitumor effect of bufadienolides has attracted considerable attention in recent years, but the clinical application of bufadienolides is limited due to their low solubility and poor bioavailability. In order to overcome these shortcomings, many strategies have been explored, such as structural modification, solid dispersion, cyclodextrin inclusion, microemulsion and nanodrug delivery systems, etc. In this review, we have tried to summarize the pharmacological activities and structure–activity relationship of bufadienolides. Furthermore, the strategies for solubility and bioavailability enhancement of bufadienolides also are discussed. This review can provide a basis for further study on bufadienolides.


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