If we are compelled to eat animal foods, owing to climactic or economic conditions, we are to use them only in small quantities and also with special caution in order to deanimalize or vegetalize them with proper culinary preparation and efficient nutritional combinations.

the very head and front of my offending

Unbend the rope.

Finally, the concentrate was lyophilized, sealed and stored lucifugally in 50 mL centrifuge tube at 4 °C for use.