#$%^&*AU2013201262A120130321.pdf#####ABSTRACT A powder composition comprising a collection of particles (I) having median particle diameter of 10 micrometers to 200 micrometers, wherein each of said particles (1) comprises (a) a covering of a fatty compound having melting point of 50*C to 1 10 C and (b) inner particles (II) comprising one or more complex that contains a cyclopropene compound molecule or a portion of a cyclopropene compound molecule encapsulated in a molecule of a molecular encapsulating agent.