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  • 专利说明
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    • 专利摘要:
    Coating to eliminate the astringency of the persimmon and its application procedure. The invention relates to a composition which is a hydroalcoholic solution comprising a compound soluble in ethanol and capable of emulsifying in water, forming a film when sprayed on a fruit. Coating agents are xanthan gum, deoiled soy lecithin, soy protein and cellulose and derivatives thereof. The process in which said composition is applied on the surface of the persimmon, preferably by spraying, gives rise to a coating film which gives it a pleasant appearance and which allows to diminish the astringency of the persimmon thanks to the ethanol that is released from said film. to the fruit, especially when the fruits are wrapped in addition with a microperforated plastic of low permeability that facilitates the retention of ethanol and its action of reduction of astringency. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2684113A1
    申请号:ES201730486
    申请日:2017-03-30
    公开日:2018-10-01
    发明作者:Ernesto Conesa Roca；Vicent CORTELL VERCHER；Daniel TORMO ASES；Cristina BESADA FERREIR；Amparo Alejandra SALVADOR PÉREZ
    申请人:Fomesa Fruitech S L；FOMESA FRUITECH SL；
    IPC主号:
    专利说明:

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    Example
    Test conducted in the 2016/17 Campaign with persimmon fruits of the cultivar (cv.) Bright Red from the municipality of Albal (Valencia). Astringent input fruit. From the last state of maturity (M-VI), transported to the handling center located in Albal (Valencia). All fruit is subjected to the arrival at the plant to the conservation treatment with 1-MCP for 24 hours to avoid softening the fruits.
    Once the fruit is treated with 1-MCP, it passes through the clothing line, where it is washed, dried, brushed and calibrated (see Fig. 1). Finally it fits into a total of 84 cardboard boxes of 20 units (fruits) each. The fruit is palletized and subjected to the conventional process of desastringency, using 95% carbon dioxide (CO2) at 20 ° C for a period of 24 hours. This fruit is called REF-CO2 reference.
    Another part of the fruit is also subjected to treatment with 1-MCP and then it is also passed through the manufacturing line, but additionally a spray is applied with the surface coating. The application is done after calibration and before fitting the fruit. The application is done by manual spraying on the fruit at the dose of 2.5 liters per ton (Ton) of fruit (see Fig. 3). This coated fruit is divided into two equal groups (80 boxes of 20 units each group), so that the first one is wrapped each set of 20 units in a 1:20 microperforated polypropylene plastic bag and then each bag is introduced into a cardboard box, it is called R + P (C). In the second group, the fruit is fitted without pre-bagging and the boxes are palletized, then wrapping the whole pallet with microperforated polypropylene plastic 1:20, this group is called R + P (P).
    Finally, a control fruit is left, treated with 1-MCP and passed through the manufacturing line, without any coating being applied, nor is CO2 applied, a group called WITNESS.
    After the treatments, the fruit is subjected to simulation of refrigerated transport at 2-3ºC, for 30 days and then left at 20ºC for 6 days to simulate the marketing period.
    Fruit property determinations will be made at the end of the refrigerated transport simulation period (30 days) and at the end of the marketing simulation period (30 days + 6 days).
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    Table 1.-Treatment Scheme (coating, plastic, CO2)
    Dose Coating Composition CoatingPlasticCO2
    Witness ----
    R + P (C) 2.5 L / Ton fruitXantana 1% Ethanol 50%Plastic wrap PP 1:20 in the box-
    R + P (P) 2.5 L / Ton fruitXantana 1% Ethanol 50%PP 1:20 plastic wrap on pallet-
    REF-CO2 ---CO2 24h
    Analytical Determinations:
    The determination of astringency is evaluated in two ways: by the ferric chloride method and by analysis of soluble tannins:
    The method of analysis of astringency by means of ferric chloride consists in evaluating, by visual comparison with some color charts, the intensity of the color acquired in the fruits cut longitudinally after being immersed in a 50% ferric chloride solution. The greatest astringency (higher content in soluble tannins) comes
    10 determined by a greater intensity of the black color, since after immersion in this solution, tannin-Fe ionic complexes of blue-black coloration are formed.
    Astringency analysis by soluble tannin analysis was performed by gas chromatography (GC) following the Folin-Denis method (Taira et al., 1995, Fruit Analysis. Eds. Linskens, HF, Jackson, JF, Springer. Hannover ), after 30
    15 days at 0 ° C.
    Sensory evaluation was carried out for each treatment in pulp samples obtained from peeled and chopped fruits. A semi-trained panel, composed of 10 tasters familiar with this cultivar, evaluates the samples based on an astringency scale of 1 = non-astringent to 4 = very astringent. The
    20 astringency results indicated in the results correspond to the evaluations of the tasters.
    Results:
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    权利要求:
    Claims (1)
    [1]
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    同族专利:
    公开号 | 公开日
    ES2684113B1|2019-07-16|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS6049742A|1983-08-30|1985-03-19|Niigataken|Method for removing astringency of astringent persimmon|
    JP2002262766A|2001-03-09|2002-09-17|Tachibana Paper Wear Kk|Method of shipping astringent persimmon after astringency-removing treatment and packaging material to be used therein|
    法律状态:
    2018-10-01| BA2A| Patent application published|Ref document number: 2684113 Country of ref document: ES Kind code of ref document: A1 Effective date: 20181001 |
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201730486A|ES2684113B1|2017-03-30|2017-03-30|Coating to eliminate the astringency of persimmon and its application procedure|ES201730486A| ES2684113B1|2017-03-30|2017-03-30|Coating to eliminate the astringency of persimmon and its application procedure|
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