Vegetable preservative and preparation method thereof
A technology of preservatives and vegetables, which is applied in the field of vegetable preservatives and its preparation, can solve the problems that the disease resistance of fruits and vegetables cannot be improved, and the preservation effect of ingredients is not ideal, so as to achieve the effects of improving disease resistance, good freshness preservation effect, and easy operation
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Embodiment 1
[0028] A kind of vegetable fresh-keeping agent, by mass percentage, described vegetable fresh-keeping agent comprises 0.3% citric acid, 0.3% calcium chloride, 0.5% sodium phosphate, 0.1% vitamin C, 5% oligosaccharide, 2% surfactant, 0.5% konjac fine powder solution, the balance being water, wherein the oligosaccharides are formed by inoculating Botrytis cinerea and Alternaria on culture medium.
[0029] A kind of preparation method of vegetable preservative, described preparation method specifically comprises the following steps:
[0030] Step 1: raw material configuration, wherein 0.3% citric acid, 0.3% calcium chloride, 0.5% sodium phosphate, 0.1% vitamin C, 5% oligosaccharides, 2% surfactant, 0.5% konjac fine powder solution, and the balance is water;
[0031] Step 2: inoculating Alternaria cinerea on PDA medium at 25°C for one week;
[0032] Step 3: take a bacterium cake with a diameter of about 5mm from the edge of the colony and transfer it to a liquid medium for shaki...
Embodiment 2
[0043] A kind of vegetable fresh-keeping agent, by mass percentage, described vegetable fresh-keeping agent comprises 0.5% citric acid, 0.6% calcium chloride, 0.7% sodium phosphate, 0.3% vitamin C, 10% oligosaccharide, 2% surfactant, 1% konjac fine powder solution, the balance being water, wherein the oligosaccharides are formed by inoculating gray mold and Alternaria on the culture medium.
[0044] A kind of preparation method of vegetable preservative, described preparation method specifically comprises the following steps:
[0045] Step 1: raw material configuration, wherein 0.5% citric acid, 0.6% calcium chloride, 0.7% sodium phosphate, 0.3% vitamin C, 10% oligosaccharides, 2% surfactant, 1% konjac fine powder solution, and the balance is water;
[0046] Step 2: inoculating Alternaria cinerea on PDA medium at 25°C for one week;
[0047] Step 3: take a bacterium cake with a diameter of about 5mm from the edge of the colony and transfer it to a liquid medium for shaking an...
Embodiment 3
[0057] Embodiment 3: a kind of vegetable preservative, by mass percentage, described vegetable preservative comprises 0.4% citric acid, 0.5% calcium chloride, 0.6% sodium phosphate, 0.2% vitamin C, 8% oligosaccharide, 2% Surfactant, 0.8% konjac fine powder solution, and the balance is water, wherein the oligosaccharide is formed by inoculating and cultivating culture medium of Botrytis cinerea and Alternaria.
[0058] A kind of preparation method of vegetable preservative, described preparation method specifically comprises the following steps:
[0059] Step 1: raw material configuration, wherein 0.4% citric acid, 0.5% calcium chloride, 0.6% sodium phosphate, 0.2% vitamin C, 8% oligosaccharides, 2% surfactant, 0.8% konjac fine powder solution, and the balance is water;
[0060] Step 2: inoculating Alternaria cinerea on PDA medium at 25°C for one week;
[0061] Step 3: take a bacterium cake with a diameter of about 5mm from the edge of the colony and transfer it to a liquid m...
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