International Journal of Science, Engineering and TechnologyAuthors: Assistant Professor Sachin Gihar
Abstract: Pollen grains serve as the highly specialized male microgametophytes in seed plants, encased in one of the most resilient biopolymers known to nature: sporopollenin [cite: 4]. In palynological research, plant breeding, and genetic preservation, aliphatic alcohols (predominantly ethanol and methanol) are universally employed as dehydrating agents, fixatives, and lipid solvents [cite: 2]. This treatise provides a rigorous exploration of the thermodynamic and biochemical interactions between alcohols and the pollen grain. We dissect the physicochemical mechanisms of lipid dissolution (pollenkitt removal), membrane phase transitions, protein denaturation, and the resultant absolute inhibition of in vitro pollen tube germination [cite: 1, 3]. Furthermore, this review catalogs the role of alcohol-treated pollen as a definitive negative control in standardized enzymatic viability assays (TTC, FDA, and Alexander’s Stain) [cite: 5].
