Lucuma nervosa fruit fresh-keeping agent and fresh-keeping method thereof
A preservative, lucuma technology, applied in the direction of food ingredients as a coating agent, protection of fruits/vegetables with a coating protective layer, food ingredients as antimicrobial preservation, etc., to ensure safety, maintain nutrients, and ensure storage Effect
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Embodiment 1
[0028] A fresh-keeping agent for lucuma fruit, the composition of the fresh-keeping agent includes an aqueous solution of sodium carboxymethyl cellulose and additives, based on 100% by weight of the aqueous solution of sodium carboxymethyl cellulose, the additives include the following raw materials in percentages by weight : 2.0% galangal extract, 0.08% marine organism lysozyme, 0.2% total flavonoids of mustard leaf, 0.05% gallic acid; among them,
[0029] The active substance content of the marine organism lysozyme is 30U / g;
[0030] The galangal extract: after the galangal is pulverized, it is extracted by water extraction, the pulverized galangal is put into water 8 times its mass and boiled for 30 minutes, and the obtained filtrate is dried to a powdery substance, which is galangal Extract;
[0031] The preparation method of the total flavonoids of the leaves of the mustard is as follows: dry and pulverize the leaves of the mustard leaves, add an ethanol solution with a ...
Embodiment 2
[0035] A fresh-keeping agent for lucuma fruit, the composition of the fresh-keeping agent includes an aqueous solution of sodium carboxymethyl cellulose and additives, based on 100% by weight of the aqueous solution of sodium carboxymethyl cellulose, the additives include the following raw materials in percentages by weight : 4.0% galangal extract, 0.12% marine organism lysozyme, 0.6% total flavonoids of mustard leaves, 0.20% gallic acid; among them,
[0036] The active matter content of the marine organism lysozyme is 35U / g;
[0037] The galangal extract: After the galangal is crushed, it is extracted by ethanol extraction, the crushed galangal is put into an ethanol solution with 10 times its mass and refluxed for 40 minutes, and the obtained filtrate is de-ethanolized and dried to powder The substance is galangal extract;
[0038] The preparation method of the total flavonoids of the leaves of the mustard leaves is as follows: dry and pulverize the leaves of the mustard leav...
Embodiment 3
[0042] A fresh-keeping agent for lucuma fruit, the composition of the fresh-keeping agent includes an aqueous solution of sodium carboxymethyl cellulose and additives, based on 100% by weight of the aqueous solution of sodium carboxymethyl cellulose, the additives include the following raw materials in percentages by weight : 3.0% galangal extract, 0.09% marine organism lysozyme, 0.3% total flavonoids of mustard leaves, 0.08% gallic acid; among them,
[0043] The active substance content of the marine organism lysozyme is 32U / g;
[0044] The galangal extract: after the galangal is pulverized, it is extracted by water extraction, and finally dried to a powdery substance, which is the galangal extract;
[0045] The preparation method of the total flavonoids of the leaves of the mustard leaves is as follows: dry and pulverize the leaves of the mustard leaves, add an ethanol solution with a volume concentration of 71%, reflux and extract at 88° C. for 2.5 hours, remove the ethanol...
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