Preservative for postharvest storage of avocados as well as preparation method and use method of preservative
A technology for storage and preservation of fresh-keeping agent, which is applied in the field of post-harvest storage and preservation of avocado pears, and can solve the problems of low popularity, high storage cost, and changes in surface smoothness and color of avocado pears.
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Embodiment 1
[0029] Embodiment 1: prepare postharvest storage fresh-keeping agent of avocado
[0030] A postharvest storage preservative for avocado, which is composed of the following components by weight percentage: avocado core extract: 0.012%, perilla leaf extract: 0.015%, licorice extract : 0.025%, ethanol: 0.01%, sucrose ester: 0.01%, sodium alginate: 0.05%, and the balance is water; the avocado pit extract is the ethyl acetate extract of avocado pit; the purple The perilla leaf extract is the ethyl acetate extract of perilla leaves; the licorice extract is the ethanol extract of licorice.
[0031]A preparation method of post-harvest storage preservative for avocado, comprising the following steps:
[0032] (1) Using ethyl acetate as a solvent and avocado stones as raw materials, the avocado stone extract is prepared;
[0033] (2) using ethyl acetate as a solvent and perilla leaves as raw materials to prepare perilla leaf extract;
Embodiment 2
[0036] Embodiment 2: prepare postharvest storage fresh-keeping agent of avocado
[0037] A fresh-keeping agent for postharvest storage of avocado, which is composed of the following components by weight percentage: avocado core extract: 0.05%, perilla leaf extract: 0.3%, licorice extract : 0.25%, ethyl acetate: 5%, trehalose: 5%, gum arabic: 5%, and the balance is water; the avocado pit extract is the ethanol extract of avocado pit; the perilla The leaf extract is the ethyl acetate extract of perilla leaves; the licorice extract is the ethanol extract of licorice.
[0038] A preparation method of post-harvest storage preservative for avocado, comprising the following steps:
[0039] (1) using ethanol as a solvent and avocado stones as raw materials to prepare avocado stone extracts;
[0040] (2) using ethyl acetate as a solvent and perilla leaves as raw materials to prepare perilla leaf extract;
[0041] (3) using ethanol as a solvent and licorice as a raw material to prepa...
Embodiment 3
[0043] Embodiment 3: preparation postharvest storage fresh-keeping agent of avocado
[0044] A fresh-keeping agent for postharvest storage of avocado, which is composed of the following components by weight percentage: avocado core extract: 0.015%, perilla leaf extract: 0.025%, licorice extract : 0.035%, ethyl acetate: 0.03%, chitosan: 0.03%, modified soybean lecithin: 0.02%, and the balance is water; the avocado pit extract is the ethyl acetate extraction of avocado pit The perilla leaf extract is the ethyl acetate extract of perilla leaves; the licorice extract is the ethanol extract of licorice.
[0045] A preparation method of post-harvest storage preservative for avocado, comprising the following steps:
[0046] (1) Using ethyl acetate as a solvent and avocado stones as raw materials, the avocado stone extract is prepared;
[0047] (2) using ethyl acetate as a solvent and perilla leaves as raw materials to prepare perilla leaf extract;
[0048] (3) using ethanol as a s...
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