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Postharvest edible preservative for peach fruit and application thereof
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A preservative and fruit technology, applied in the field of edible preservatives for postharvest peach fruits, can solve the problems of less use, achieve the effects of simple operation, low quality loss, and maintain good quality and commerciality
Active Publication Date: 2022-08-05
ZHEJIANG UNIV
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Problems solved by technology
However, since peach fruits are generally eaten with their skins, commonly used agricultural fungicides are rarely used in peach fruits.
Method used
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Embodiment 1
[0017] 1. Prepare a postharvest edible preservative for peach fruits, which is composed of two components, rhamnolipid and limonene, and the working solution concentration is rhamnolipid 0.5% (v / v) and limonene 100mg / L;
[0018] 2. Use edible preservatives for peach preservation:
[0019] (1) When the peach fruit is harvested, pick it gently to avoid damage;
[0020] (2) Select the picked fruits, and select fruits with uniform size, no disease and no damage;
[0021] (3) The peach fruit is sprayed with the edible preservative for 60s;
[0022] (4) The treated fruit is dried and stored under suitable temperature conditions.
Embodiment 2
[0024] The peach fruit used in the experiment is a hard peach. The fruit material was harvested in Linyi City, Shandong Province in October 2019. After harvesting, the fruit was selected with uniform size, no mechanical damage, and no pests and diseases. After treatment with different preservatives, it was transported back to Zhejiang the next day. For storage at the Institute of Fruit Tree Science, College of Agriculture and Biotechnology, University (10°C, RH 90-95%), the formulation and concentration of the preservative are as follows:
[0025] Treatment A: directly store in storage after harvesting;
[0026] Treatment B: modified pectin 0.5% + rhamnolipid 0.5%, atomized and sprayed the fruit surface, dried and stored in the warehouse;
[0027] Treatment C: Natamycin 100mg / L + rhamnolipid 0.5%, atomized and sprayed on the fruit surface, dried and stored in the warehouse;
[0028] Treatment D: limonene 100mg / L + rhamnolipid 0.5%, atomized and sprayed on the fruit surface, d...
Embodiment 3
[0039] With the extension of storage time, the fruit will gradually rot. The rot rate is a direct reflection of the fruit storage and preservation effect. The experimental results showed that in the six treatments of A, B, C, D, E and F, the edible preservative formula B, C, D, and F groups could significantly reduce the rot rate of peach fruit compared with the control group A fruit. On the 70th day of peach storage, the fruit rot rates of the seven groups treated with control A and edible preservatives were 15%, 5%, 10%, 2.5%, 10%, and 7.5%, respectively. Among them, treatment group D (0.5%) % rhamnolipid + 100mg / L limonene) with the lowest decay rate (see figure 1 ).
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Abstract
The invention provides an edible postharvestpreservative for peach fruits and an application thereof. The preservative is composed of two components: rhamnolipid and limonene. The selected fruits are sprayed with a pre-storage preservative to keep them fresh, and then stored at a suitable temperature. The invention solves the rot problem of peach fruit during long-term storage, effectively reduces the fruit rot rate, maintains the good quality and commerciality of the stored fruit, prolongs the fruit storage time, and can be applied in the preservation of hard peach fruit. The method of the invention has the advantages of simple operation, low equipment requirements, low quality loss of the stored fruit, good storage effect, and the formula components are food sources, which ensures the safety and quality of the fruit, and can be operated on a large scale and can be used for demonstration, popularization and application.
Description
technical field [0001] The invention belongs to a method for storing and preserving fruits, and relates to a postharvest edible fresh-keeping agent for peach fruits and an application thereof. Background technique [0002] Peach is one of the main fruits in my country because of its complete color, fragrance, and high nutritional value. However, peach fruit is thin-skinned, sweet and juicy, and cannot be stored and transported. Peach is susceptible to a variety of diseases during post-harvest storage and transportation, and the fruit is extremely perishable. Postharvest preservative treatment is a commonly used preservation strategy in many fruits. However, since peach fruits are generally eaten with the skin on, commonly used agricultural fungicides are rarely used in peach fruits. Therefore, finding edible green and safe preservative ingredients is one of the important ways to improve the postharvest preservation effect of peach fruit. SUMMARY OF THE INVENTION [000...
Claims
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Application Information
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