Fruit and vegetable fresh-keeping agent containing peony seed meal water extract as well as production method and application of fresh-keeping agent

The invention belongs to the technical field of plant type fruit and vegetable fresh-keeping agents and specifically relates to a fruit and vegetable fresh-keeping agent containing a peony seed meal water extract as well as a production method and the application of the fresh-keeping agent. Paeoniflorin having antiseptic and bacteriostatic effects is extracted from the by-product of producing the peony seed oil, namely peony seed meal; the paeoniflorin is further matched with other components such as a humidity regulator according to compound compatibility, and therefore, a novel pollution-free fruit and vegetable fresh-keeping agent can be prepared; the fruit and vegetable fresh-keeping agent is prepared from the following raw materials in parts by weight: 450-550 parts of emulsifier, 2-10 parts of Arabic gum, 5-15 parts of paeoniflorin and 900-1100 parts of water; the fresh-keeping agent is non-toxic and side effect-free, and is moderate in viscosity, good in film-forming property and long in fresh-keeping period.