CN103530496A - System and method for grading food nutritive value - Google Patents

Abstract

The invention provides a system and method for grading food nutritive value for daily catering of consumers. The system and method solve the problems that due to the fact that the existing evaluation of food is limited by one-to-one comparison, two kinds of food without comparability are always placed together to be compared, and diet can not be effectively guided, and also solve the problem that according to existing dietary guidelines, quantitative standards do not exist and are difficult for the consumers to use. The system for grading the food nutritive value is composed of a client terminal and a server. The client terminal comprises a food information acquisition module and a nutrition evaluation module. The food information acquisition module provides food with the information required to be informed when the consumers input. The nutrition evaluation module provides the required food nutrition value information. The server comprises a food nutrition value database.

Description

Food value points-scoring system and method

Technical field

The present invention relates to a kind of food value points-scoring system and method, particularly relate to a kind of system and method that carries out food value evaluation for prepackaged food.

Background technology

Along with social development, people are for the problem growing interest of healthy diet.Diet structure produces long-range effects to health, the generation of chronic disease and development, and children grow, and the generation of the diseases such as adult's health and the elderly's aging course and cancer all has relation closely with diet.Balanced in nutrition, healthy meals are conducive to people and keep good fitness, avoid the disease of being brought by unreasonable diet.

But abundant Food choice makes ordinary consumer select difficulty.And dissimilar food is all indispensable for complete diet structure, between them, aspect nutritive value, cannot compare.Such as thinking that simply vegetables are better than beef, certainly will cause diet unbalanced.Because the unified standard of shortage is passed judgment in the nutrition of food at present, consumer can make judge according to the experience of oneself to same food, often the more difficult subjective factor of avoiding of consumer causes evaluation of nutrition that food is made comprehensive not, the evaluation result of word also cannot lack a kind of science and easy evaluation method mutually relatively at present simultaneously, consumer's comparison of having no way of when selecting food, and food enterprise when developing food products also neither one effectively instruct.Nutritive value points-scoring system is further promoted the using value of nutrition labeling of food in fact exactly, with nutrient, consists of according to food is marked.Can help better consumer to be familiar with food, the direction towards health diet when guide consumption person selects food be close; Also can realize the object of encouraging manufacturer production health-oriented products innovation, real simultaneously.Yet existing Nutritive evaluation system is all to be developed by foreign study person, still there is no at home at present current Nutritive evaluation system, by compatriots, do not developed, take Chinese residents as target group, there is the points-scoring system of independent intellectual property rights.Along with the expanding day of domestic food market scale and the continuous growth of people's health diet demand, setting up packaged food nutritive value points-scoring system has become one of the most urgent demand of China's food service industry.

Chinese patent CN200780011136 provides a kind of and provides the system of recipe recommendation for user.This system comprises memory module, is used for storing comprising the recipe of batching and comprising the user's overview about user's food consumption relevant information.Processor is coupled to memory module, for by selecting one of recipe of described storage based on user's overview, produces recipe recommendation.User interface is coupled to processor, is used for recipe recommendation to offer user.Memory module also comprises the ingredient replacement list with list of entries.List of entries comprises original ingredient and the corresponding replaceable batching of one of recipe of described storage.Processor is configured to: based on user's overview, by the original ingredient of selected recipe being replaced by corresponding replaceable batching, adjust selected recipe, and the recipe after adjusting is provided to user interface.

Chinese patent CN200910055274 discloses a kind of method and system of carrying out evaluation of nutrition for user's day pantry, comprises the steps: A, a database is provided; B, obtain user's characteristic information; C, obtain user's day pantry data; D, obtain the evaluation score value of described day pantry data pin to this user; D1, described evaluation score value comprise balanced in nutrition minute Ns; Comprise: D11, calculate i kind (i=1,2 ..., N) nutritional labeling nutrition divides Ns _i; D12, according to each nutrition of N kind nutritional labeling, divide and weighting coefficient obtains its weighted mean obtain described day pantry balanced in nutrition minute; E, according to described evaluation score value, make evaluation of nutrition.

Yet the evaluation of nutrition of pantry has all been paid close attention in above-mentioned patented claim, to it has been generally acknowledged that incommensurable food nutrition is analyzed, do not compare, thereby to the selected food of consumer, do not provide one to evaluate accurately.

Summary of the invention

The invention solves in the past the evaluation of food was confined to man-to-man comparison, usually occurring two does not have the food of comparability to be brought together comparison, can not effectively instruct the problem of diet, solve dietary guidelines in the past etc. simultaneously and there is no the standard quantizing, use difficult problem, provide a kind of daily pantry to carry out the system and method for evaluation of nutrition.

The present invention is divided into 10 classes by Protean food, and develop a kind of food value evaluation system according to nutrient-energy Ratios (nutrient density) theory, wherein said food value evaluation system is comprised of client terminal and server, described client terminal comprises food information acquisition module and evaluation of nutrition module, described food information acquisition module provides consumer to input the food of required awareness information, described evaluation of nutrition module provides consumer required food-value value information, described server includes food value database.

Wherein, in food value database of the present invention, by food-classifying 10 classes, comprising: 1, dairy products; 2, beverage (comprising fruit juice, vegetable juice, soda, drinks, beer, red white wine, soymilk, solid beverage (calculating after being scaled 100g dry weight)); 3, staple food (bread, oatmeal, rice, steamed bun, cake etc. all range staple food group); 4, meat (comprise cold cuts and semi-manufacture, fish, meat, egg all range carnivorous group); 5, oil; 6, leisure food (biscuit, cookies, corn ear, nut, dry fruit, snack, potato chips, chocolate, candy, ice cream, crisp noodles etc. all range leisure food group); 7, meal (dining room food, fast food, quick-frozen mixed food, instant noodles etc. all range meal) 8, bean product (comprising soybean, assorted beans etc.); 9, flavouring (comprises dip, mayonnaise, vinegar, jam etc.Raw material (as Chinese cassia tree, cumin powder etc.) is not counted in); 10, baby food.

On the other hand, the invention provides Nutritional Score of Food method in described food value database, described methods of marking is first to determine the basic score of food, according to the content of nutrient in food, give a mark, provide afterwards the additional score of food, according to the content of other bioactivator in food, give a mark.

1. basic score computing method:

First select the scope of the methods of marking basic score part nutrient of including in.Comprise: the 24 class nutrients such as protein, carbohydrates, dietary fiber, sugar, saturated fat, cholesterol, how unsaturated, cholesterol, calcium, iron, magnesium, sodium, zinc, selenium, vitamin C, vitamin B1, vitamin B2, vitamin B3, pyridoxamine, folic acid, cobalamin, VitAVitE, vitamin D.

Secondly adopt following 2 kinds of methods as the scheme of calculating initial score: the ratio that 1. accounts for this nutrient NRV in 2000kcal standard meal according to the content of nutrient that every 100kcal provides in food is calculated scoring (as shown in Equation 1).2. according to the content of nutrient that every 100kcal provides in the food relative position that this nutrient distributes in this food classification, calculate scoring (as shown in Equation 2).

$f_{N_i}=\frac{C_{f_{N_i}}}{{\mathrm{NRV}}_{N_i}}$ Formula 1

Wherein:

nutrient N in food f _iinitial score

nutrient N in food f _icontent

nutrient N _ireferential data

$f_{N_i}=\mathrm{CDF}.\mathrm{Normal}(C_{f_{N_i}},\mathrm{Mean}\left(C_{F_{N_i}}\right),\mathrm{Std}\left(C_{F_{N_i}}\right))$ Formula 2

Wherein:

nutrient N in food f _iinitial score

CDF.Normal (): normcdf

nutrient N in food f _icontent

nutrient N in food classification F _ithe mean of content

nutrient N in food classification F _ithe standard deviation of content

Finally complete the calculating of basic score.In 10 food groupings, be respectively this 24 class nutrient and give initial weight, calculate the weighted scoring (as shown in Equation 3) of food, then through centesimal scale, calculate the basic score of food.

$f_w=\mathrm{\Σ}(f_{N_i}\×W_{F_{N_i}})$ Formula 3

Wherein:

F _w: the weighted scoring of food f

nutrient N in food f _iinitial score

nutrient N in the classification F of food f place _iweight.

Weight is as shown in the table:

Described additional score calculation method

Select the scope of the different food grouping bioactivators of including in.For additional score calculation method is formulated in different food groupings.The additional score calculation method adopting is as shown in the table:

On the other hand, the invention provides the daily pantry of a kind of consumer and carry out food nutrition evaluation method, comprise and use the system of food value evaluation to carry out food nutrition evaluation, the system of described food value evaluation is comprised of client terminal and server, first connect client terminal, by food information acquisition module, input the food of required awareness information, server obtains the nutritional information of selected food by food value database, finally by evaluation of nutrition module, provide required food-value value information.

The system and method for food nutrition evaluation of the present invention is marked by its nutritive value to each food, is that consumer buys the simple and effective guidance tool with consume food.

Embodiment

Food nutrition evaluation method of the present invention, use the system of food value evaluation to carry out food nutrition evaluation, the system of described food value evaluation is comprised of client terminal and server, first connect client terminal, by the required food of knowing nutritional information of food information acquisition module input, server obtains the nutritional information of the selected food of consumer by food value database, finally by evaluation of nutrition module, provide required food-value value information.

The computing method of food value are as follows wherein and in food value database:

Basic score: the protein of input target food, carbohydrates, dietary fiber, sugar, saturated fat, cholesterol, how unsaturated, cholesterol, calcium, iron, magnesium, sodium, zinc, selenium, vitamin C, vitamin B1, vitamin B2, vitamin B3, pyridoxamine, folic acid, cobalamin, vitamin A, vitamin E, the 24 class nutrient contents such as vitamin D (can inquire about in " composition table of foods " or infer voluntarily), by formula of the present invention (1) and formula (2), calculate initial score, marking obtains the centesimal system basic score of output afterwards.

Additional scoring: DHA, ALA, LA, polyphenol, the sterol isoreactivity compounds content (can inquire about or Determination of The Proper Motions in " composition table of foods ") of input target food, calculate additional scoring by computing method of the present invention.

Other: for the nutrient of artificial interpolation, pay attention to separately, if surpass this classification limit value, according to limit value, calculate.

According to the method described above, varieties of food items is marked:

Claims (5)

1. the system that a food value is evaluated, by client terminal and server, formed, it is characterized in that described client terminal comprises food information acquisition module and evaluation of nutrition module, described food information acquisition module provides the food of the required awareness information of input, described evaluation of nutrition module provides required food-value value information, and described server includes food value database.

2. the system that described in claim 1, food value is evaluated, it is characterized in that in described food value database, by food-classifying 10 classes, comprising dairy products, beverage, staple food, meat, oil, leisure food, meal, bean product, flavouring, baby food.

3. the system that described in claim 1, food value is evaluated, it is characterized in that in described food value database, Nutritional Score of Food method is the basic score that described methods of marking is first definite food, according to the content of nutrient in food, give a mark, provide afterwards the additional score of food, according to the content of other bioactivator in food, give a mark.

4. the system that described in claim 3, food value is evaluated, is characterized in that the computing method of described basic score are

First select the scope of the methods of marking basic score part nutrient of including in;

Secondly adopt following 2 kinds of methods as the scheme of calculating initial score: the ratio that 1. accounts for this nutrient NRV in 2000kcal standard meal according to the content of nutrient that every 100kcal provides in food is calculated scoring, brings formula 1 into; 2. according to the content of nutrient that every 100kcal provides in the food relative position that this nutrient distributes in this food classification, calculate scoring, bring formula 2 into;

$f_{N_i}=\frac{C_{f_{N_i}}}{{\mathrm{NRV}}_{N_i}}$ Formula 1

Wherein:

nutrient N in food f _iinitial score

nutrient N in food f _icontent

nutrient N _ireferential data

$f_{N_i}=\mathrm{CDF}.\mathrm{Normal}(C_{f_{N_i}},\mathrm{Mean}\left(C_{F_{N_i}}\right),\mathrm{Std}\left(C_{F_{N_i}}\right))$ Formula 2

Wherein:

nutrient N in food f _iinitial score

CDF.Normal (): normcdf

nutrient N in food f _icontent

nutrient N in food classification F _ithe mean of content

nutrient N in food classification F _ithe standard deviation of content

Finally complete the calculating of basic score: in 10 food groupings, be respectively this 24 class nutrient and give initial weight, calculate the weighted scoring of food, bring formula 3 into, then through centesimal scale, calculate the basic score of food

$f_w=\mathrm{\Σ}(f_{N_i}\×W_{F_{N_i}})$ Formula 3

Wherein:

F _w: the weighted scoring of food f

nutrient N in food f _iinitial score

nutrient N in the classification F of food f place _iweight.

5. the daily pantry of consumer carries out food nutrition evaluation method, comprise and use the system of food value evaluation to carry out food nutrition evaluation, the system of described food value evaluation is comprised of client terminal and server, it is characterized in that, first connect client terminal, by food information acquisition module, input the food of required awareness information, server obtains the nutritional information of the selected food of consumer by food value database, finally by evaluation of nutrition module, provide required food-value value information.