Pharmacy Freak Editorial Team

Introduction: Medicinal chemistry is the interdisciplinary science focused on the design, synthesis and development of pharmaceutical agents. Its definition and scope cover drug discovery, structure-activity relationship (SAR), quantitative SAR (QSAR), lead optimization, ADMET (absorption, distribution, metabolism, excretion, toxicity) profiling, pharmacokinetics and pharmacodynamics. Medicinal chemists apply organic chemistry, computational methods, combinatorial chemistry, fragment-based design and molecular … Read more

Novel medicinal agents from marine sources explore bioactive compounds isolated from sponges, tunicates, algae, marine bacteria, cyanobacteria and molluscs that have informed modern drug discovery and pharmacology. Key topics include marine natural products chemistry, polyketides, peptides, alkaloids and terpenes, bioassay‑guided fractionation, structure elucidation (NMR, LC‑MS), dereplication, genome mining and sustainable supply strategies such as synthesis … Read more

Introduction: Bees wax is a complex natural lipid secreted by Apis mellifera and widely used in pharmaceutics, cosmetics and food. Its chemistry comprises long‑chain esters (mainly monoesters), free fatty acids, long‑chain alcohols (e.g., myricyl alcohol) and hydrocarbons. Major sources are honeycomb cappings and comb; preparation involves melting, filtration, refining, bleaching and deodorization. Quality evaluation uses … Read more

Wool fat (lanolin) is a complex, amphiphilic mixture of long-chain esters, free fatty acids, and steroidal alcohols obtained from the sebaceous secretions that coat sheep wool. For B.Pharm students, understanding its chemistry, sources, industrial preparation (scouring, solvent extraction, refining and fractionation), pharmacopoeial evaluation (acid value, saponification value, peroxide value, melting point, chromatographic profiling), preservation, storage, … Read more

Introduction: Chaulmoogra oil is a historically important natural oil derived from seeds of Hydnocarpus and related species, valued for its unique cyclopentenyl fatty acids such as chaulmoogric and hydnocarpic acids. This topic covers chaulmoogra oil chemistry, botanical sources, methods of preparation (expression, solvent extraction, hydrolysis, and esterification), analytical evaluation (acid value, saponification, iodine value, GC … Read more

Castor oil is a unique vegetable oil rich in ricinoleic acid, a hydroxylated fatty acid that defines its chemistry and pharmaceutical value. B.Pharm students should master its botanical sources (Ricinus communis), methods of preparation (cold pressing, solvent extraction, refining), and key physicochemical properties (saponification, iodine, acid values, refractive index). Understanding evaluation, preservation, storage and quality … Read more

Lipids are a diverse class of biomolecules central to pharmacy, encompassing fatty acids, triglycerides, phospholipids and sterols. This introduction covers lipid chemistry, natural and industrial sources, extraction and preparation methods (Soxhlet, Folch, Bligh & Dyer, transesterification), analytical evaluation (iodine, saponification, peroxide, acid values; GC, HPLC, TLC), preservation and storage strategies (antioxidants, cold, inert atmosphere), therapeutic … Read more

Pepsin – chemistry, sources, preparation, evaluation, preservation, storage, therapeutic uses and commercial utility is a concise guide for B.Pharm students exploring this important gastric proteolytic enzyme. Pepsin is an aspartic endopeptidase (≈34 kDa) derived from pepsinogen, with optimal activity at pH 1.5–2 and specificity for peptide bonds near aromatic residues. Key topics include common sources … Read more

Streptokinase is a bacterial plasminogen activator widely studied for its thrombolytic properties. This concise primer for B.Pharm students covers streptokinase chemistry, microbial sources, fermentation and recombinant preparation, purification and potency evaluation, formulation, preservation and storage strategies (including lyophilization and stabilizers), therapeutic uses (acute myocardial infarction, pulmonary embolism, DVT), safety, antigenicity and comparative commercial utility versus … Read more

Urokinase is a serine protease used as a thrombolytic agent; its chemistry involves a single‑chain prourokinase (scuPA) activated to a two‑chain enzyme (uPA) that converts plasminogen to plasmin. Sources include human urine and recombinant expression systems (e.g., CHO cells). Preparation covers fermentation, purification (ion‑exchange, affinity, gel filtration), and formulation as sterile lyophilized product. Evaluation uses … Read more