Compound preservative for strawberry and method for processing strawberries by same
A composite fresh-keeping and strawberry technology, applied in the fields of fruit and vegetable fresh-keeping, food preservation, food science, etc., can solve the problems of not being widely used and high cost, and achieve the effect of reducing the comprehensive index, high safety and inhibiting rot.
Inactive Publication Date: 2015-05-20
济南市农业科学研究院
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- Description
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- Application Information
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Problems solved by technology
But the cost is very high, and it is impossible to be widely used in the near future
Method used
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Embodiment 1
[0015] Embodiment one prepares strawberry composite preservative and is used for strawberry fresh-keeping
[0016] (1) prepare strawberry composite preservative:
[0017] The formula is: 100 grams of chitosan, 81 grams of kojic acid, 36 grams of calcium chloride, 3 grams of natamycin, and 9780 grams of water.
[0018] The preparation method is as follows: take each component, mix and mix evenly, and obtain.
[0019] The chitosan is a food-grade chitosan purchased from Jinan Haidebei Marine Bioengineering Co., Ltd.
[0020] (2) Application of compound preservatives in normal temperature preservation of strawberries
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The invention discloses a compound preservative for strawberry. The compound preservative comprises the following components in percentage by weight: 1% of chitosan, 0.81% of kojic acid, 0.36% of calcium chloride, 0.03% of natamycin and 97.8% of water. The invention further discloses a method for processing strawberries by using the compound strawberry preservative; the method comprises the following steps: (1) selecting strawberries and washing with water; (2) immersing the drained strawberries in the compound preservative for 1 minute, taking out the strawberries, and naturally drying; (3) putting the strawberries in a fresh-keeping tray, covering the strawberries with a preservative film, and storing at room temperature. The compound strawberry preservative provided by the invention can be used for effectively reducing the loss of external composite index, respiration intensity, titratable acid, soluble solids and sugar content of strawberry, and preventing rot; the compound preservative which can be used for processing the strawberries is high in safety, pollution-free and easy to clean; and the method is a safe and efficient fresh keeping method.
Description
technical field [0001] The invention relates to a strawberry composite antistaling agent and a method for processing strawberries, and belongs to the technical field of fruit and vegetable antiseptic preservation. Background technique [0002] Strawberry (Fragaria ananassa Duch) belongs to the perennial herbaceous plant of Rosaceae. Its fruit is bright in color, tender and juicy, and rich in nutrition. It is known as the "Queen of Fruits". Since the 1980s, my country's strawberry cultivation area and output have ranked first in the world, and strawberry cultivation has become one of the important ways for farmers in some areas of my country to get rich. [0003] In recent years, the output of strawberries has shown a trend of rapid increase, but due to failure to better solve the problem of its storage and preservation, it is limited to local sales and the market time is concentrated, causing a large number of strawberries to rot, causing serious waste of resources, economic...
Claims
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IPC IPC(8): A23B7/154A23B7/157
Inventor 黄翊鹏冯曰广王文军姜慧玲张荣亭
Owner 济南市农业科学研究院
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