... homo-7-oxa-5a-cholestan-6-one)-lactoneChemical family: Natural PGR & Plant extract Molecule Formular: C28H46O6Molecular weight: 480 ... fertilizers, insecticides, fungicides, herbcides. Nine Notable Functions of Natural BR as below: 1. Promoting growth, increasing yield, ... percentage. 9. Effectively prolong the duration time of natural preservation and transportation of fruits, vegetables and flowes ...