CN104165974A - Evaluation method for quality of fresh grapes - Google Patents
Evaluation method for quality of fresh grapes Download PDFInfo
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- CN104165974A CN104165974A CN201410381516.5A CN201410381516A CN104165974A CN 104165974 A CN104165974 A CN 104165974A CN 201410381516 A CN201410381516 A CN 201410381516A CN 104165974 A CN104165974 A CN 104165974A
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Abstract
The invention discloses an evaluation method for the quality of fresh grapes. The evaluation method comprises the following physico-chemical indexes including the weight of fruits, the hardness of the fruit flesh, the content of soluble solid matters, the ratio between the area of fruit powder to the surface area of fruits, the colorimetric value of fruit peel, the solid-acid ratio and the length-width ratio of clusters; and the model is red globe grapes, and the score of sense is equal to 1.15* the weight of the fruit+3.26*hardness of the fruit flesh+111.11* the content of the soluble solid matters+10* the ratio between the area of the fruit powder to the surface area of the fruits+the colorimetric value of fruit peel+15*(1-the absolute value of (0.618-1/the length-width ratio of the clusters)+15*(1-the absolute value of (2/49-1/the solid-acid ratio). The evaluation method disclosed by the invention has the advantages that an evaluation model for the quality of the fresh grapes is constructed by utilizing the physico-chemical indexes of the red globe grapes, the sense quality of the fresh grapes is predicated by the quality performance characteristic of the red globe grapes, the deviation caused by subjective factors of evaluation persons is avoided, the comprehensive quality of the red globes is reflected in a more-objective manner, technical support is provided for scientific evaluation, and the measurement for relevant indexes can be finished only by using conventional instruments and equipment such as a sugar measuring instrument, an acidimeter, an electronic gram scale and the colorimetric card.
Description
Technical field
The invention belongs to plant cultivation technical field, particularly a kind of Table Grape method for evaluating quality.
Background technology
Not only local flavor is graceful for eating raw for grape, and contains abundant nutriment, and particularly red Globe Grape nutritive value is higher, is a kind of fruit with health care.In recent years, along with improving constantly of people's living standard, supply falls short of demand for high-grade fruit market, the red Globe Grape of high-quality especially, and big and medium-sized cities have the very large market demand at home, and price is steadily increasing, the low and dull sale of low and middle-grade fruit prices.
On market, red Globe Grape differs greatly because of quality discrepancy price.And people are when evaluating red Globe Grape fruit quality, only with excellent, good, in, the descriptive language such as poor passes judgment on.Therefore find that a kind of technical method is simple, saving of labor and cost low, scientific approach that can the red Globe Grape fruit quality of objective evaluation will play a significant role in high-grade grape production and selling.At present, this area there is not yet the precedent of evaluating red Globe Grape quality.
Summary of the invention
The object of the invention is the technical matters existing in prior art in order to solve, provide a kind of simple to operate, cost is lower, convenient-to-running Table Grape method for evaluating quality in production practices.
In order to achieve the above object, the present invention is by the following technical solutions: a kind of Table Grape method for evaluating quality, the method consists of following physical and chemical index: fruit grain is heavy, flesh firmness, soluble solid content, fruit powder area accounts for fruit grain surface area ratio, pericarp colourimetric number, Gu acid ratio, fruit ear length breadth ratio, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * (1-︱ 0.618-1/ fruit ear length breadth ratio ︳) ﹢ 15 * (the solid acid of 1-︱ 2/49-1/ is than ︳).
When the inverse of fruit ear length breadth ratio be less than 0.618 and solid acid when being greater than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=20.12 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for 15/ solid sour ratio of fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * fruit ear breadth length ratio ﹢.
When the inverse of fruit ear length breadth ratio be less than 0.618 and solid acid when being less than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=21.34 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * fruit ear breadth length ratio-15/ solid sour ratio.
When the inverse of fruit ear length breadth ratio be greater than 0.618 and solid acid when being greater than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=38.66 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for 15/ solid sour ratio of fruit grain surface area ratio ﹢ pericarp colourimetric number-15 * fruit ear breadth length ratio ﹢.
When the inverse of fruit ear length breadth ratio be greater than 0.618 and solid acid when being less than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=39.88 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number-15 * fruit ear breadth length ratio-15/ solid sour ratio.
Further, a kind of Table Grape method for evaluating quality, comprises the following steps:
A, Sample selection: select fresh in disease and pest and fully ripe red Globe Grape;
B, physical and chemical index analysis are measured:
It is fixed that fruit grain is resurveyed: get 20 red Globe Grape fruit grains and weigh, get its mean value, unit is g;
Flesh firmness is measured: choose at random 10 red Globe Grape fruit grains, peel off the pericarp of test one side fruit grain, with its flesh firmness of hardness of fruit instrumentation, get its mean value, unit is kg/cm
2;
Soluble solid content is measured: choose at random 5 fruit grains, with saccharimeter, measure its soluble solid content, get its mean value, unit is %;
Gu acid is than measuring: choose at random 5 fruit grains, measure the total acid contents such as its tartrate with fruit acid degree analyzer, get its mean value, unit is %; With soluble solid content, measuring mean value is solid acid ratio divided by the numerical value of total acid content mean value gained;
Fruit powder area accounts for fruit grain surface area ratio pH-value determination pH: choose at random 5 red Globe Grape fruit grains, with pocket knife, first cut the pericarp that there is no fruit powder, be placed on square paper and calculate area, then peel residue pericarp measuring and calculating area, calculate fruit powder area and account for fruit grain surface area ratio;
Pericarp colourimetric number is measured: use relatively fruit face look of international standard colorimetric card, according to color settings score value: flame is red, signal is red, famille rose is 10 minutes, ruby red, tomato red, aubergine are that 8 minutes, silver pink look, Antique pink are that 6 minutes, dark red, rose pink and other color are 4 minutes;
C, according to model, calculate sense organ score.
Further, in described step B, the hardness of fruit is counted GY-3 type fruit hardness meter.
Further, in described step B, by fruit acid degree analyzer model, be GMK-835.
Further, in described step B, international standard color comparison card is Raul K7 colorimetric card.
Ultimate principle of the present invention is: red Globe Grape aesthetic quality should weigh with fruit grain size, flesh firmness, soluble solid content, fruit ear shape, the intact degree of fruit powder, fruit colour, these 7 indexs of local flavor.And the red Globe Grape aesthetic quality of Comprehensive Assessment, adopt methods of marking easily to operate, 7 suitable percentage value weights of index are respectively: fruit grain size 15, flesh firmness 15, soluble solid content 20, fruit ear shape 15, the intact degree 10 of fruit powder, fruit colour 10, local flavor 15, according to weight and the test data of fruit grain weight, flesh firmness, soluble solid content for many years, statistical analysis has shown that fruit is heavy, flesh firmness, the coefficient of 3 indexs of soluble solid content in computing formula are respectively 1.15,3.26,111.11; Red Globe Grape fruit ear shape with taper shape for well, and when the width of fruit ear and lenth ratio are 0.618, fringe shape is the most attractive in appearance, the local flavor sour-sweet according to red Globe Grape, the ratio that tests out the total acid contents such as the soluble solid content of its best mouthfeel and tartrate is 24.5, thereby draws its account form; Fruit powder intact degree accounts for fruit grain surface area ratio according to fruit powder area to be worth minute, and fruit colour is composed red grape color pouplarity according to consumer minute.
The relative prior art of the present invention has following beneficial effect: the present invention utilizes red Globe Grape physical and chemical index to build Table Grape quality evaluation model, with red Globe Grape quality performance characteristic prediction Table Grape organoleptic quality, avoided the deviation causing because passing judgment on personnel's subjective factor, more objectively reflect red Globe Grape integrated quality, for scientific evaluation provides technical support, analytical approach is simple, only need to just can complete the mensuration of index of correlation with routine instrument devices such as saccharous detector, acidometer, electronics gram title, colorimetric cards.The present invention is simple to operate, consuming time few, cost-saving, convenient and easy in production practices, can select evaluation model according to fruit ear situation and solid acid ratio.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
A kind of Table Grape method for evaluating quality, the method consists of following physical and chemical index: fruit grain weight, flesh firmness, soluble solid content, fruit powder area account for fruit grain surface area ratio, pericarp colourimetric number, solid acid than, fruit ear length breadth ratio, and its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * (1-︱ 0.618-1/ fruit ear length breadth ratio ︳) ﹢ 15 * (1-︱ 2/49-1/ is admittedly sour than ︳).
When the inverse of fruit ear length breadth ratio be less than 0.618 and solid acid when being greater than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=20.12 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for 15/ solid sour ratio of fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * fruit ear breadth length ratio ﹢.
When the inverse of fruit ear length breadth ratio be less than 0.618 and solid acid when being less than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=21.34 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * fruit ear breadth length ratio-15/ solid sour ratio.
When the inverse of fruit ear length breadth ratio be greater than 0.618 and solid acid when being greater than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=38.66 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for 15/ solid sour ratio of fruit grain surface area ratio ﹢ pericarp colourimetric number-15 * fruit ear breadth length ratio ﹢.
When the inverse of fruit ear length breadth ratio be greater than 0.618 and solid acid when being less than 24.5, its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=39.88 ﹢ 1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number-15 * fruit ear breadth length ratio-15/ solid sour ratio.
A Table Grape method for evaluating quality, comprises the following steps:
A, Sample selection: select fresh in disease and pest and fully ripe red Globe Grape;
B, physical and chemical index analysis are measured:
It is fixed that fruit grain is resurveyed: get 20 red Globe Grape fruit grains and weigh, get its mean value, unit is g;
Flesh firmness is measured: choose at random 10 red Globe Grape fruit grains, peel off the pericarp of test one side fruit grain, with its flesh firmness of GY-3 type hardness of fruit instrumentation, get its mean value, unit is kg/cm
2;
Soluble solid content is measured: choose at random 5 fruit grains, with saccharimeter, measure its soluble solid content, get its mean value, unit is %;
Gu acid is than measuring: choose at random 5 fruit grains, the fruit acidity analyzer that is GMK-835 by model is measured the total acid contents such as its tartrate, gets its mean value, and unit is %; With soluble solid content, measuring mean value is solid acid ratio divided by the numerical value of total acid content mean value gained;
Fruit powder area accounts for fruit grain surface area ratio pH-value determination pH: choose at random 5 red Globe Grape fruit grains, with pocket knife, first cut the pericarp that there is no fruit powder, be placed on square paper and calculate area, then peel residue pericarp measuring and calculating area, calculate fruit powder area and account for fruit grain surface area ratio;
Pericarp colourimetric number is measured: use relatively fruit face look of Raul K7 international standard colorimetric card, according to color settings score value: flame is red, signal is red, famille rose is 10 minutes, ruby red, tomato red, aubergine are that 8 minutes, silver pink look, Antique pink are that 6 minutes, dark red, rose pink and other color are 4 minutes;
C, the model that the red Globe Grape physical and chemical index numerical tape of said determination is entered to select calculate sense organ score, and the quality of red Globe Grape is eaten in prediction raw.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not limited by above-described embodiment; other do not deviate from the change made under Spirit Essence of the present invention and principle, modification, substitute, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (5)
1. a Table Grape method for evaluating quality, it is characterized in that: the method consists of following physical and chemical index: fruit grain weight, flesh firmness, soluble solid content, fruit powder area account for fruit grain surface area ratio, pericarp colourimetric number, solid acid than, fruit ear length breadth ratio, and its model is that the heavy ﹢ 3.26 * flesh firmness ﹢ of red Globe Grape sense organ score=1.15 * fruit grain 111.11 * soluble solid content ﹢ 10 * fruit powder area accounts for fruit grain surface area ratio ﹢ pericarp colourimetric number ﹢ 15 * (1-︱ 0.618-1/ fruit ear length breadth ratio ︳) ﹢ 15 * (1-︱ 2/49-1/ is admittedly sour than ︳).
2. a kind of Table Grape method for evaluating quality according to claim 1, is characterized in that: comprise the following steps:
A, Sample selection: select fresh in disease and pest and fully ripe red Globe Grape;
B, physical and chemical index analysis are measured:
It is fixed that fruit grain is resurveyed: get 20 red Globe Grape fruit grains and weigh, get its mean value, unit is g;
Flesh firmness is measured: choose at random 10 red Globe Grape fruit grains, peel off the pericarp of test one side fruit grain, with its flesh firmness of hardness of fruit instrumentation, get its mean value, unit is kg/cm
2;
Soluble solid content is measured: every fringe is chosen 5 fruit grains at random, with saccharimeter, measures its soluble solid content, gets its mean value, and unit is %;
Gu acid is than measuring: every fringe is chosen 5 fruit grains at random, measures the total acid contents such as its tartrate with fruit acid degree analyzer, gets its mean value, and unit is %; With soluble solid content, measuring mean value is solid acid ratio divided by the numerical value of total acid content mean value gained;
Fruit powder area accounts for fruit grain surface area ratio pH-value determination pH: choose at random 5 red Globe Grape fruit grains, with pocket knife, first cut the pericarp that there is no fruit powder, be placed on square paper and calculate area, then peel residue pericarp measuring and calculating area, calculate fruit powder area and account for fruit grain surface area ratio;
Pericarp colourimetric number is measured: use relatively fruit face look of international standard colorimetric card, according to color settings score value: flame is red, signal is red, famille rose is 10 minutes, ruby red, tomato red, aubergine are that 8 minutes, silver pink look, Antique pink are that 6 minutes, dark red, rose pink and other color are 4 minutes;
C, according to model, calculate sense organ score.
3. a kind of Table Grape method for evaluating quality according to claim 2, is characterized in that: in described step B, the hardness of fruit is counted GY-3 type fruit hardness meter.
4. a kind of Table Grape method for evaluating quality according to claim 2, is characterized in that: in described step B, by fruit acid degree analyzer model, be GMK-835.
5. a kind of Table Grape method for evaluating quality according to claim 2, is characterized in that: in described step B, international standard color comparison card is Raul K7 colorimetric card.
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Cited By (7)
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| CN105243599A (en) * | 2015-10-13 | 2016-01-13 | 南京财经大学 | Method for building rice storage quality evaluation model |
| CN105891432A (en) * | 2016-06-29 | 2016-08-24 | 扬州大学 | Comprehensive goose quality evaluation method |
| CN107167565A (en) * | 2017-04-07 | 2017-09-15 | 中国农业大学 | A kind of Table Grape method for evaluating quality and system |
| CN108541914A (en) * | 2018-04-25 | 2018-09-18 | 中国农业科学院果树研究所 | Pear cv nanguo freezes pears preparation technology parameter and determines method and freeze pears preparation method |
| CN110261526A (en) * | 2019-06-24 | 2019-09-20 | 上海交通大学 | A kind of tomato flavor quality determination method based on tomato odor characteristic compound |
| WO2020140465A1 (en) * | 2019-01-03 | 2020-07-09 | 中化现代农业有限公司 | Citrus sensory quality evaluation system and method |
| CN115205063A (en) * | 2022-07-11 | 2022-10-18 | 江西绿萌科技控股有限公司 | Comprehensive fruit quality evaluation method based on sampling data and industrial standard |
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- 2014-08-05 CN CN201410381516.5A patent/CN104165974A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105243599A (en) * | 2015-10-13 | 2016-01-13 | 南京财经大学 | Method for building rice storage quality evaluation model |
| CN105891432A (en) * | 2016-06-29 | 2016-08-24 | 扬州大学 | Comprehensive goose quality evaluation method |
| CN105891432B (en) * | 2016-06-29 | 2018-02-06 | 扬州大学 | A kind of goose quality synthetic judgement |
| CN107167565A (en) * | 2017-04-07 | 2017-09-15 | 中国农业大学 | A kind of Table Grape method for evaluating quality and system |
| CN108541914A (en) * | 2018-04-25 | 2018-09-18 | 中国农业科学院果树研究所 | Pear cv nanguo freezes pears preparation technology parameter and determines method and freeze pears preparation method |
| WO2020140465A1 (en) * | 2019-01-03 | 2020-07-09 | 中化现代农业有限公司 | Citrus sensory quality evaluation system and method |
| CN110261526A (en) * | 2019-06-24 | 2019-09-20 | 上海交通大学 | A kind of tomato flavor quality determination method based on tomato odor characteristic compound |
| CN110261526B (en) * | 2019-06-24 | 2020-11-06 | 上海交通大学 | Tomato flavor quality determination method based on tomato aroma characteristic compounds |
| CN115205063A (en) * | 2022-07-11 | 2022-10-18 | 江西绿萌科技控股有限公司 | Comprehensive fruit quality evaluation method based on sampling data and industrial standard |
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Application publication date: 20141126 |