Moringa oleifera is a valued medicinal plant in traditional folk medicine. Many pharmacological studies have shown the ability of this plant to exhibit analgesic, anti-inflammatory, antipyretic, anticancer, antioxidant, nootropic, hepatoprotective, gastroprotective, anti-ulcer, cardiovascular, anti-obesity, antiepileptic, antiasthmatic, antidiabetic, anti-urolithiatic, diuretic, local anesthetic, anti-allergic, anthelmintic, wound healing, antimicrobial, immunomodulatory, and antidiarrheal properties. This review is a comprehensive summary of the phytochemical and pharmacological activities as well as the traditional and therapeutic uses of this plant. M. oleifera has wide traditional and pharmacological uses in various pathophysiological conditions. We will review the various properties of M. oleifera (drumstick tree) and focus on its various medicinal properties. We think that it is an attractive subject for further experimental and clinical investigations.
The use of indigenous drug industry in India has been widely expanded in recent years. Tinospora cordifolia (Guduchi) belonging to family Menispermaceae has a wide array of bioactive principles in exploring nutraceuticals from plant materials. It is a versatile resource for all forms of life and can be an alternative for synthetic drugs considering their adverse effects and also for economic purposes. T. cordifolia is considered as an important herbal drug of Indian System of Medicines (ISM). The herb is known for its therapeutic efficacy and used in treatment of dyspepsia, diabetes, fever, urinary problems, jaundice, chronic diarrhoea, cardiac disease, dysentry, helmenthiasis, skin diseases, leprosy and many more diseases. Present review highlights the classical anti-toxin, anti diabetic, anticancer, immunomodulatory, antioxidant, antimicrobial, hepato-protective activity of Guduchi and their validation through existing literature. The plant is reported to contain alkaloids, glycosides, steroids and terpenoids. The current study is undertaken to explore and establish the phytochemistry and pharmacological activity of T. cordifolia.
About 10% of the drugs in the preclinical stage are poorly soluble, 40% of the drugs in the pipeline have poor solubility, and even 60% of drugs coming directly from synthesis have aqueous solubility below 0.1 mg/ml. Out of the research around, 40% of lipophilic drug candidates fail to reach the market despite having potential pharmacodynamic activities. Microtubule-modulating chemotherapeutics is an important class of cancer chemotherapy. Most chemotherapeutics that belong to this category are plant-derived active constituents, such as vincristine, vinblastine, colchicine, docetaxel, paclitaxel, and noscapinoids. The pKa of a drug considerably affects its solubility in physiological fluids and consequently bioavailability. It usually ranges from 5 to 12 for microtubule-modulating drugs. Hence, the solubility of these drugs in physiological fluids is considerably affected by a change in pH. However, because of unpredictable parameters involved in poor solubility and the low oral bioavailability of these chemotherapeutics during the early phases of drug development, they often have an unusual pharmacokinetic profile. This makes the development process of novel chemotherapeutics slow, inefficient, patient-unfriendly, and very costly, emphasizing a need for more rational approaches on the basis of preclinical concepts. Nanosolvation is a process of increasing the polarity of a hydrophobic molecule either by solvation or cavitization in a hydrophilic macrocycle. The present review therefore focuses on the techniques applied in nanosolvation of microtubule-modulating chemotherapeutics to enhance solubility and bioavailability. The methodologies described will be highly beneficial for anticancer researchers to follow a trend of rational drug development.
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