A shelf life study of ready to eat ‘CHOCO NUTRI BAR’

Harini Sonpal, Shweta BandivadekarUnder the guidance of Mrs. Anuradha

ShekharDr. B.M.N. College of Home science

Department of Food science and Nutrition

INTRODUCTIONChoco nutri bar is a ready to eat multi

nutrient bar.It provides good amounts of calories,

protein, dietary fibre and other nutrients and has a good satiety value.

The product is targeted for all age groups

Grab and gobble nutrition bars.It is a functional food product as

walnuts, oats, soya bean flour, almonds, dark chocolate and gingelly seeds come under the category of functional foods.

Oats is high in soluble dietary fibre beta – glucan.

Walnuts are unique because they are rich in n-6 (linoleate) and n-3 (linolenate) polyunsaturated fatty acids and as a part of heart – healthy diet, lower blood concentrations. (Elaine B. Feldman, May 2002)5

Almonds are high in magnesium (functional component). Magnesium keeps blood pressure normal, bones strong and the heart rhythm steady.

• Sesame seed or gingelly seeds are popularly called as “Queen of Oilseeds” due to its high degree of resistance and rancidity. (Dorothea Bedigian, Jack R. Harlan, April/June, 1986)17

• Soy is assessed by the FDA's "Protein Digestibility Corrected Amino Acid Score" method. The component isoflavones in soybean functions as Anti-carcinogenetic activities.

• The consumption of cocoa and dark chocolate is associated with a lower risk of CVD, and improvements in endothelial function. (Sheila G .et al, Feb 2014)23

• Peanuts compose fine quality of amino acids that are essential for growth and development.

OBJECTIVESTO DESIGN A

MULTI NUTRIENT RICH MINI

SNACK ITEM.

TO STANDARDIZ

E A MULTI NUTRIENT RICH BAR.

TO STUDY THE SHELF LIFE OF THE PRODUCT BY SENSORY EVALUATION.

TO IDENTIFY A COST EFFECTIVE PACKAGING MATERIAL.

TO CREATE A NUTRITIONAL

LABEL.

TO UNDERSTAND THE MARKETING AND

BUDGETING ASPECTS OF THE PRODUCT.

TO LEARN VARIOUS ENTERPRENEURSHIP SKILLS

Ingredien

tsTRIAL-1 TRIAL-2 STANDARDIZED

Oats 40gms 40gms 40gms

Soya bean flour 

30gms 30gms 30gms

Almonds 20gms 20gms 20gms

Walnuts 20gms 20gms 20gms

Peanuts 20gms 20gms 20gms

Honey 30gms -

Dark chocolate 80gms 80gms 80gms

Ghee 5gms 5gms 5gms

Jaggery - 100gms 140gms

Gingelly seeds - 7.5gms 7.5gms

STANDARDIZATION (FOR 6 BARS)

METHOD OF PREPARATIONRoast all the ingredients separately and mix it well.

(Except jaggery)

Melt jaggery

Add above ingredients and mix well, remove from heat

Spread the mixture evenly in an aluminum tray

Cut into equal sized bar, immediately and refrigerate for 5minutes

Place the chocolate in double boiler on low heat

Coat the bar with dark chocolate and refrigerate for 5-7minutes

Ready to serve

SENSORY EVALUATIONSensory evaluation was carried out by 15 naive panelists. It was done by score card method. A five point scale was maintained with sensory attributes of texture, flavor, taste, appearance and brittleness. Sensory evaluation helped us to finalize the designed product.

RESULT OF SENSORY EVALUATION OF CHOCO NUTRI BAR OF A WEEK

Texture Flavour Taste Appearance Brittleness0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

Day 1 Day 7

4.13.8 3.9

4.6

3.83.84

4.24

3.5

PACKAGING MATERIALPOLYPROPYLENE

BUDGETINGPER BAR

INGREDIENTS WHOLE SALE PRICE (Rs.)Oats 1.19Jaggery 1.45Soya bean flour 0.75Peanuts 1Almonds 5.5Walnuts 9Gingelly seeds 0.3Dark chocolate 3.36Nutritional label printouts 2Packaging material 0.5Gas, electricity and labour 2Total 27.05

NUTRITIONAL

LABELLING

Consists of special recommendations

Most important tool used to make informed choices about

healthy and safe foods.

Encourage

potential buyers

Indicator of

Ingredients,

Nutritional

information,

Weight, Manufacturing or packaging date, Expiry date, price

NUTRITIONAL LABEL FOR CHOCO NUTRI BAR

Choco Nutri BarIngredients: Soya bean flour, oats, walnuts, almonds, peanuts ,gingelly seeds, dark chocolate, fat, jaggery.

Serving size: 70gm approx. (1Bar) Price – Rs. 30 ONLY

Manufacture date: 8/3/2015

Expiry date: best before 10 days

Note: Keep in refrigerator. No artificial sweeteners and preservatives added.

Nutritional information / bar (70gm)Energy(Kcal) 188

Protein(gms) 8

Carbohydrate (gms) 74

Fat(gms) 7

Dietary fibre(gms) 4.85

CONCLUSIONChoco nutri bar is a product providing

variety of nutrients and can be recommended for all age groups.

It had good amounts of protein, calories, dietary fiber, antioxidants and satiety value.

It is a multi nutrient rich snack item. It is a mini snack bar, portable and nutritional booster.

This is a functional food product. This product can be useful to people

who are malnourished.