Transcript Soybean Tuna Patties - ctahr

Sensory Evaluation
Product: Tuna Patties
Ingredients: Tuna, soybeans, rice flour, tuna water, seasoning salt, guar
gum, onion powder, basil, garlic powder, pepper
Directions: In front of you will be a sample of a tuna patty. For each listed attribute,
please circle the word that best describes the patty in accordance to your visual and taste
preference.
Appearance
Great
Good
Okay
Bad
Awful
Comment:
________________________________________________________________________
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Texture
Too
Chewy
Slightly
Chewy
Just right
Slightly
Soft
Too Soft
Comment:
________________________________________________________________________
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Overall
Flavor
Great
Good
Okay
Bad
Awful
Comment:
________________________________________________________________________
________________________________________________________________________
If this patty was available on the market, would you purchase it? Please check “yes” if
you would buy it and “no” if you would not.
Yes: ____________
No: _______________
Anna Khamsing
FSHN 381
Food Science and Human Nutrition
University of Hawaii
Class Experiment

The purpose of the
experiment was to
create a tuna fish
patty that met
acceptable sensory
characteristics.
http://www.taste.com.au/images/recipes/sf/2007/10/17
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Project’s Requirement
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Had to contain exactly 51% tuna
Randomly assigned to one stuffer
Had a choice of selecting binders (limit 3)
Post cooking weight of 115 gram (quarter
pounder)
Could not use wheat, dairy, or egg products
No more than 6 trials
Why We Did This Experiment
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Nutritious
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Inexpensive and simple ingredients
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Avoid allergens
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Wheat: Celiac
Dairy: Lactose Intolerance
Other: Egg allergies
Soybean Tuna Patties
Nick Leonard
Beth Saunders
Anna Khamsing
Soybeans
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Staple food item in
China and Japan
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Slowly becoming
popular in the U.S.
http://www.biztrademarket.com/User/164746/bb/dscn5
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Soybean Products
Soybeans
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Good source of protein
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Considered to be a complete protein
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Noted to have an objectionable flavor:
“painty” and “beany”
Soybeans
Nutrient Content of Cooked Yellow Soybeans
Ash
2%
Fat
9%
Carbohydrates
10%
Protein
17%
Water
62%
Soybeans
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Possible health benefits:
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May lower LDL cholesterol
May reduce the risk of certain chronic diseases including
cancer
May promote bone health
*Soybeans are a rich source of isoflavones which are
known to have antioxidant properties. They are still under
investigation for their role in bone health and prevention
of cancer among other illnesses.
Guar Gum
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Found in the
endosperm of guar
beans
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Grown in India and
Pakistan
www.barryfarm.com/images/product/thickeners/guar.J
PG
Guar Gum’s Characteristics
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Non-gelling
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Increases viscosity
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Ability to bind with water
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Stabilizer
Uses of Guar Gum
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Desserts
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Soups
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Baked products
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Sauces
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Ice cream
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Salad dressing
Rice Flour
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Formed by grinding
broken rice kernels
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Could be derived
from brown or white
rice
http://www.goodnessdirect.co.uk/detail/211263b.jpg
Rice Flour’s Characteristics
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No gluten-forming properties
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Lacks elastic and cohesive properties
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Needs another ingredient for substantial
binding properties
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Gritty texture
Uses of Rice Flour
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Baked goods
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Pancake and waffle mix
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Baby food
Group’s Purpose
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The purpose was to
create a delicious,
inexpensive, and
nutritious soybean
tuna patty.
Our Process: Day 1
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Manipulated the rice flour and soybean levels
to create texture
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Experimented without tuna water to improve
texture
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Experimented without guar gum to improve
texture
Our Process: Day 2
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Experimented with soybean preparation to
improve texture
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Experimented with different spices to
improve flavor
Final Recipe
Tuna --------------------- 71.4 g =1/3 C
= 51%
Soybeans----------------37.8 g = ¼ C
= 27%
Rice Flour------------------14 g = 1 ½ T = 10%
Tuna Water---------------9.8 g = 2 t
= 7%
Guar Gum-----------------1.4 g = ¼ t
= 1%
Spices (Total)------------5.6 g
=4%
-Seasoning Salt---2 g = (1/2 t)
-Onion Powder----1 g = (1/4 t)
-Basil-----------------1g = (1/4 t)
-Garlic Powder----1 g = (1/4 t)
-Pepper------------0.6g = (1/8 t)
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Total------------------140 g (precooked weight)
Recipe
•Preparation of soybeans:
Soak overnight
Cook to a simmer
• Preparation and cooking of patty:
 Dry Ingredients measured and combined
 Remaining ingredients mixed in
 Form patty by hand
 Cook over medium/medium high heat in
1 T canola oil for 3 minutes on each side
Cost of Recipe
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Tuna
=$0.72
Soybeans = $0.14
Rice Flour = $0.04
Total Price = $0.90
*Post-cooked weight~115 g
Questions or Comments?