Decoding Therapeutic Applications of Quercetin: Recent Advancements in Nanotechnological Strategies.

For centuries, people have used herbal medicine to treat a diversity of health complications and as a natural substance, they have a favourable effect on our health. Herbal ingredients can be utilized as lead molecules in the innovation and development of a new drug. Flavonoids are a class of chemical compounds with diverse phenolic structures, and they are found in a wide variety of foods, including fruits, vegetables, cereals, bark, roots, stems, flowers, tea, and wine. Quercetin is the most prevalent polyphenolic bioflavonoid or flavonoid. Quercetin is found in many food products and has demonstrated a wide range of pharmacological activities, including the treatment of allergies, ocular diseases, metabolic ailments, inflammatory illnesses, cardiovascular ailments and arthritis. Quercetin has attracted interest as an emerging pharmacophore with the potential to significantly advance research and the development of novel therapeutic medicines for a variety of diseases. Despite having a huge therapeutic potential, these flavonoids have unfavourable pharmacokinetic characteristics, low bioavailability, and poor solubility, limiting their application in therapeutics. The objective of the current study is to present a new update on the major therapeutic uses of quercetin and other types of nanocarriers that contain quercetin to treat various ailments.

Therapeutic Potential and Clinical Effectiveness of Quercetin: A Dietary Supplement.

Fruits and vegetables (like apples, citrus, grapes, onions, parsley, etc.) are the primary dietary sources of quercetin. In addition, isolated quercetin is also available on the market as a dietary supplement with a daily dose of up to 1000 mg/d. The objective of the present study is to explore the therapeutic potential and clinical efficacy of quercetin as a dietary supplement. The present paper highlights the safety parameters and clinical trial studies with several targets reviewed from the data available on PubMed, Science Direct, ClinicalTrails. gov, and from many reputed foundations. The results of the studies prove the unique position of quercetin in the treatment of various disorders and the possibility of using phytochemicals such as quercetin for an efficient cure. As evidenced by the numerous published reports on human interventions, it has been concluded that quercetin intake significantly improves disease conditions with minimal adverse effects.

An Update on Herbal Products for the Management of Inflammatory Bowel Disease.

Inflammatory Bowel Disease (IBD), including Ulcerative Colitis (UC) and Crohn's Disease (CD), is a continuously increasing healthcare problem mainly characterized by chronic relapsing intestinal inflammation. The common symptoms of UC and CD include inflammation, diarrhea, abdominal pain, bleeding, and weight loss. IBD is generally caused by an interaction between genetic and environmental or microbial factors that influence the body's immune response and is responsible for digestive disorders and inflammation of the intestinal tract. However, a complete understanding of the pathophysiology and work-up of IBD is necessary to ensure appropriate treatment for the management of this complex disease. This review enlightens herbal therapeutics and drug delivery systems for the management of IBD, and thus provides new insights into this field and facilitates access to new treatments.

Therapeutic and Health Promoting Potential of Bakuchiol from Psoralea corylifolia: A Comprehensive Review.

Bakuchiol, is a principal bioactive component present in seeds of Psoralea corylifolia. It is one of the important monoterpene phenols and has been reported to possess extensive pharmacological properties like antioxidant, anti-inflammatory, anticancer, and hepatoprotective. Bakuchiol also plays a significant role in mental disorders. With an aim to explore the pharmacological potential of plant Psoralea corylifolia and its bioactive constituent, Bakuchiol; which may act as a lead to develop new molecular entities as drugs. A substantial literature survey was performed by scientific search engines like PubMed, Scopus,Web of Science, Science Direct, etc., and were reviewed with particular emphasis on their scientific impact and novelty. The study concludes that both Psoralea and bakuchiol possess innumerable pharmacological potentials to treat multiple disorders. Altogether, the promising pharmacological activities of bakuchiol may open new probes for therapeutic invention in the management of numerous ailments. Thus, the present review gives the erudition of bakuchiol as d foundation for further studies on the molecular mechanisms of BXXXD in the treatment of T2DM.

Bakuchiol: A Potential Anticancer Compound from Psoralea corylifolia Linn.

BACKGROUND: Bakuchiol is a monoterpene phenol isolated from the seeds of Psoralea corylifolia Linn. It is used traditionally in Indian and Chinese medicine and has been reported to possess extensive pharmacological potential against a variety of ailments. A recent study enumerates the anticancer potential of bakuchiol. OBJECTIVE: The objective of the present review study is to explore the anticancer potential of bakuchiol which provides insight into the design and develop novel molecular entities against various disorders. METHODS: Current prose and patents emphasizing the anticancer potential of bakuchiol have been identified and reviewed with particular emphasis on their scientific impact and novelty. An extensive literature survey was performed and compiled via the search engine, PubMed, Science Direct, and from many reputed foundations. RESULTS: The study's findings suggested and verified the anticancer potential that Psoralea and bakuchiol against a variety of cancer. Both Psoralea and bakuchiol also portrayed synergistic or potentiating effects when given in combination with other anticancer drugs or natural compounds. CONCLUSION: Altogether, the promising anticancer potential of bakuchiol may open new probes for therapeutic invention in various types of tumors. Thus, the present review gives the erudition of bakuchiol and Psoralea as anticancer which paves the way for further work in exploring their potential.

Hesperidin: A Potential Therapeutic Agent against COVID-19.

COVID-19, aka Coronavirus Disease 2019, triggered by new severe acute respiratory syndrome coronavirus-2 or SARS-CoV-2, is now a public health emergency due to its rapid spread, high transmission efficiency, and severe viral pandemic that is significantly increasing the number of patients and associated deaths. Currently, no specific treatment is available for this highly contagious virus. The unavailability of effective and specific treatments and the severity of this epidemic situation potentiate medicinal chemists' in supporting new prophylactic or therapeutic interventions against COVID-19. This study discusses the therapeutic potential of hesperidin, a traditionally used herbal medicine with an exceptional safety profile. Recent studies on hesperidin advocate its promising potential in the prevention and management of COVID-19. This paper also discusses the recent clinical studies based on the previously documented antiviral activity of hesperidin. Herein, we propose the detailed preclinical and clinical manifestations of hesperidin based on its multifaceted bioactivities to develop a novel anti-COVID-19 lead.

Therapeutic Potential and Clinical Evidence of Hesperidin as Neuroprotective Agent.

BACKGROUND: Neuroprotection is preserving neural function in various neurodegenerative diseases like Alzheimer's, Huntington's, Parkinson's, and multiple sclerosis. Hesperidin, a flavanone glycoside in citrus fruits such as sweet oranges and lemons, possesses many biological effects, including neuroprotection. OBJECTIVE: The study aims to explore the neuropharmacological mechanisms and therapeutic potential of hesperidin in the management of neurodegenerative disorders. METHODS: It emphasizes comparative and clinical trial studies with a number of targets reviewed from the data available on PubMed, Science Direct, Clinicaltrails.gov, and from many reputed foundations. RESULTS: Escalating clinical evidence has established the inhibitory effect of hesperidin in the management of neurodegenerative disorders. Neuroprotective potential of hesperidin is characterized by endogenous antioxidant defence functions, improvement of neural growth factors, antineuroinflammatory activity, and apoptotic pathways. CONCLUSION: The present study highlights the beneficial neuropharmacological potential of hesperidin, including anticonvulsant, antidepressant, antioxidant, anti-inflammatory, memory, and locomotor enhancing activities.

Natural products: A lead for drug discovery and development.

Natural products are used since ancient times in folklore for the treatment of various ailments. Plant-derived products have been recognized for many years as a source of therapeutic agents and structural diversity. A literature survey has been carried out to determine the utility of natural molecules and their modified analogs or derivatives as pharmacological active entities. This review presents a study on the importance of natural products in terms of drug discovery and development. It describes how the natural components can be utilized after small modifications in new perspectives. Various new modifications in structure offer a unique opportunity to establish a new molecular entity with better pharmacological potential. It was concluded that in this current era, new attempts are taken to utilize the compounds derived from natural sources as novel drug candidates, with a focus to find and discover new effective molecules that were referred to as "new entities of natural product drug discovery."

Emerging Role of Terpenoids for the Treatment of Cancer: A Review.

AIM: Terpenes are natural compounds found in several organisms belonging to the animal and plant kingdom, therefore, constitute the largest class of natural products and were a rich reservoir of candidate compounds for drug discovery. The review aims to focus on the extensive potential of the anti-cancer terpenoid components obtained from natural plant species which may lead to the development of a variety of derived terpenoids moieties. METHOD: Literature survey has been carried out to determine the potential of terpenoids. RESULT: The present article provides an overview of the development of the isoprene unit and the generation of the various types of terpenes that exhibits pharmacological potential. The anti-cancer activity of terpenoids appears promising and will potentially open more opportunities for cancer therapy. However, current studies are restricted to descriptive findings and some of them lack mechanistic insights and systematic structure--activity relationship studies. Future efforts into the systematic identification of the targets of terpenoids are believed to increase the chances of gaining breakthrough insights in the field. CONCLUSION: There is still hope that new therapeutic options for the control of cancer and any other painful syndromes will be developed from terpenes, which were proved to be great candidates for cancer therapeutics.

An update on Anti-inflammatory Compounds: A Review.

Inflammation is a protective attempt by the organism to remove the injurious stimuli and to initiate the healing process. Also, it has been reported to be associated with the onset of various cancers. An effective anti-inflammatory drug should be able to inhibit the development of inflammation without interfering in normal homeostasis. Current approaches to overcome the inflammation include the use of immune selective anti-inflammatory derivatives, selective glucocorticoid receptor agonist, resolvins and protectins and TNF inhibitors. A number of herbal drugs have been identified in the past that can target inflammatory cytokines. This review mainly focuses on the newer molecules to combat the inflammation and also emphasise on various studies carried out in the past. Thus, the high prevalence of inflammation obliges the development of new drugs; therefore, a safe and efficient drug molecule to confer protection against inflammation is urgently needed.

Psoralea corylifolia L. (Buguchi) - folklore to modern evidence: review.

Psoralea corylifolia is an important medicinal plant which is used in several traditional medicines to cure various diseases. The plant extracts have been reported to possess antibacterial, antitumor, antioxidant, anti-inflammatory, antifungal and immunomodulatory activity. A wide range of chemical compounds including psoralen, isopsoralen, bakuchiol, psoralidin, bakuchalcone, bavachinin, flavones, volatile oils, lipids etc. are found in different parts of the plant. The present review is therefore, an effort to give a detailed survey of the literature on its botany, phytochemistry and ethnopharmacology along with special emphasis given on pharmacological activities of plant P. corylifolia.