Protein Extraction From Plant Leaves Protocol. The selection of a suitable extraction protocol is a crucial step in proteomics surveys as proteins reveal a high degree of biochemical heterogeneity and investigated plant materials can be characterized by the presence of non-protein components interfering with subsequent analytical techniques eg. Suggestions are included for overcoming some of the common obstacles encountered eg acidity phenolics cell walls. The extraction protocol explained here focuses mainly on extracting protein from beans. Plant tissues contain a wide range of proteins which vary greatly in their properties and require specific conditions for their extraction and purification.
Wash the leaves with distilled water to remove all the particulate matter on the surface. Partitioning rubisco by polyethylene glycol PEG. KEEP EXTRACTED SAMPLES OUT OF THE 80C FREEZER FOR THE MINIMAL AMOUNT OF TIME TO AVOID PROTEIN. Green leaves are considered as an underutilized protein source for food applications. Variegata leaf tissue was ground and aliquoted evenly into the extractions described below. We report here a simple and universally applicable protocol for extracting high quality proteins from plant leaf tissues.
Repeat it as many times as required without being too harsh till the leaves are completely clean.
Depends on what you what to do with the total proteins extracted. The protocol provides improved resolution and reproducibility of two-dimensional polyacrylamide gel electrophoresis 2-DE and reduces the time required to analyze samples. Plant Protein Extraction Protocol. Extraction of plant protein requires an optimized extraction equipment and techniques. I have used the Sigmas Total plant. Two-dimensional gel electrophoresis 2-DE or liquid chromatography-mass.