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Foods That Contain Thiamine & Why Should You Need Them?

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Discover the amazing benefits of eating foods that contain thiamine and why you should include them in your diet for better health.

Rarely many of us keep a check on what we eat, how much we eat and how we eat every day.

Even when we do, we tend to restrict it to the calories intake in a food item that we consume. One of an essential nutrients unavoidable for the proper functioning of the body is Vitamin B1, also known as Thiamine.

This post gives you a thorough overview of what Thiamine is, how it is important and what food sources are the best for managing thiamine levels in one’s body.

What Is Thiamine(Vitamine B1)?

Vitamin B1 also known as Thiamin, Thiamine or Aneurine is a water-soluble vitamin and is classified as a B-complex vitamin. It is an essential nutrient that serves several important functions of the body. It is required by the body to maintain the cellular function and thus a broad range of other organ functions.

It is essential for the functioning of the muscular and nervous systems and is important in muscle contracting. It is necessary for electrolyte balance, digestion, metabolism of carbohydrates and turning carbohydrates into other sources of energy.

The human body does not store thiamine. Consequently, the human body might run out of thiamine in as little as 14 days if it is not replenished. Deficiency of thiamine might lead to the degeneration of the whole body, as it is an essential nutrient for metabolic and other functions.

Deficiency of thiamine can cause deficiency diseases like beriberi and/or Wernicke-Korsakoff syndrome whose main symptoms are severe fatigue along with degeneration of cardiovascular, nervous, muscular and gastrointestinal systems. Thiamine, when taken in excess of the prescribed daily value (DV) is not harmful and can actually enhance the brain functioning.

Small amounts of Thiamine are found in nearly all food items and in substantial quantities in most of the every day ate food items. It might seem odd that deficiency of thiamine is one of the most common nutrient deficiencies in the U.S. The current prescribed daily value (DV) for vitamin B1 is 1.4mg.

Health Benefits Of Thiamine:

Vitamin B1 or Thiamine is a vital nutrient to the human body. It is essential for maintaining metabolic functions as well as several other roles in the human body. Some of the core functions of Thiamine are as follows:

1. Energy Production:

Health Benefits Of Thiamine
Health Benefits Of Thiamine

Among all the vitamins, Vitamin B1 plays the most critical role in the manufacture of energy from carbohydrates and fats. It acts as the gate-keeper between early carbohydrate breakdown, the energy-rich Kreb’s cycle and electron transport chain.

It plays a central role in energy metabolism and deficiency of this vitamin will impair every important function of the body.

2. Nervous System Support:

Thiamine plays a very important role in the efficient functioning of the nervous system of the body as the brain is one of the most energy-hungry tissues of the body.

Surprisingly, thiamine has also been linked to many varied conditions, from alcohol-related brain disease to Alzheimer’s and Parkinson’s disease. Thiamine also plays a critical role in the structuring and integration of brain cells such that advanced deficiency of this nutrient during a critical period of brain development may lead to severe brain damage.

Foods That Contain Thiamine:

The sure way to get rid from Vitamin B1 deficiency is to incorporate foods rich in Vitamin B1 in your nutritious diet. It is important to know what food you have to take in order to have the right amount of thiamine in your body. Here is a table that contains all the information you need to know about thiamine content in various food items.

Food

Serving size

Thiamine (mg)

Vegetables and Fruit

Vegetables

Soybean sprouts, cooked

125 mL (1/2 cup)

0.28

Edamame/baby soybeans, cooked

125 mL (1/2 cup)

0.25

Green peas,  cooked

125 mL (1/2 cup)

0.22 – 0.24

Lima beans, cooked

125 mL (1/2 cup)

0.22

Squash, acorn, cooked

125 mL (1/2 cup)

0.18

Potato, with skin, cooked

1 medium

0.10-0.15

Grain Products

Grains

Wheat germ, raw

30 g (¼ cup)

0.5

Corn flour

20 g (2 Tbsp)

0.29

Pasta, white, enriched, cooked

125 mL (1/2 cup)

0.21- 0.29

Pasta, egg noodles, enriched, cooked

12; 5 mL (1/2 cup)

0.16 – 0.21

Cereals

Oatmeal, instant, cooked

175 mL (¾ cup)

0.72-1.10

Cereal, dry, all types

30 g (check product label for serving size)

0.6

Hot oat bran cereal, cooked

175 mL (¾ cup)

0.4

Muesli and granola

30 g (check product label for serving size)

0.22 – 0.30

Oatmeal (1 minute), cooked

175 mL (¾ cup)

0.21

Other Grain Products

Breakfast bar, corn flake crust with fruit

1 bar (37 g)

0.37

Bagel, plain

½ bagel

0.27

Breakfast bar, oatmeal

1 bar (47 g)

0.24

Granola bar, oat, fruits and nut

1 bar (43 g)

0.21

Waffle, frozen, cooked

1 waffle

0.19

Bread (white, whole wheat, rye, mixed grain)

1 slice (35 g)

0.10 – 0.17

Milk and Alternatives

Soy beverage,

250 mL (1 cup)

0.16

Meat and Alternatives

Meat

Pork, various cuts, cooked

75 g (2 ½ oz)

0.36- 1.05

Pork, ground, cooked

75 g (2 ½ oz)

0.75-0.77

Pork, ham, cooked

75 g (2 ½ oz)

0.41

Venison/deer, various cuts, cooked

75 g (2 ½ oz)

0.19 – 0.38

Liver (chicken, pork), cooked

75 g (2 ½ oz)

0.13-0.22

Fish and Seafood

Tuna,yellowfin/albacore, cooked

75 g (2 ½ oz)

0.38

Trout, cooked

75 g (2 ½ oz)

0.11-0.32

Salmon, Atlantic, cooked

75 g (2 ½ oz)

0.21 – 0.26

Pickerel/walleye, cooked

75 g (2 ½ oz)

0.23

Mussels, cooked

75 g (2 ½ oz)

0.23

Tuna, bluefin, cooked

75 g (2 ½ oz)

0.21

Meat Alternatives

Meatless, luncheon slices

75 g (2 ½ oz)

3

Soy burger, vegetarian meatloaf or patty, cooked

75 g (2 ½ oz)

2

Meatless (chicken, fish sticks, meatballs), cooked

75 g (2 ½ oz)

0.70-0.96

Legumes (dried beans, peas and lentils)

Beans (soybeans, black, pinto, adzuki, kidney, lima, navy, roman), cooked

175 mL (¾ cup)

0.18 – 0.32

Lentils, cooked

175 mL (¾ cup)

0.25-0.28

Baked beans, canned

175 mL (¾ cup)

0.18

Nuts and Seeds

Sunflower seeds, without shell

60 mL (¼ cup)

0.54

Chinese/Japanese chestnuts,  without shell

60 mL (¼ cup)

0.16 – 0.32

Nuts (pistachio, macadamia, brazil nuts, hazelnuts, pecans, peanuts), without shell

60 mL (¼ cup)

0.12 – 0.26

Tahini/sesame seed butter

15mL (1 Tbsp)

0.19

Soy nuts

60 mL (¼ cup)

0.12

Others

Yeast extract spread (marmite/vegemite)

30 mL (2 Tbsp)

3.56

Source – dietitians.ca

How Much Thiamine Is Required?

So how much thiamine do you need to keep your body functioning normally? Experts say that this depends on your gender and your age.

A pregnant or lactating woman needs higher levels of thiamine than an ordinary woman. If you are suffering from an illness or use the multi-processed food, you may need to be careful about your thiamine intake.

Based on the Recommended Dietary Allowance (RDA), the amount of vitamin B1 (thiamine) needed is as follows:

Children ages 1-3 years: 0.5 mg per day

Children ages 4-8 years: 0.6 mg per day

Children ages 9-13 years: 0.9 mg per day

Teens & Adults – Males ages 14 years and up: 1.2 mg per day

Teens & Adults – Females ages 14-18 years: 1.0 mg per day

Teens & Adults – Females ages 19 years and up: 1.1 mg per day

Pregnant & Lactating Females: 1.4 mg per day

Deficiency Of Thiamine:

As we have already discussed thiamine is present in most of the food items that we usually consume and thiamine deficiency is not that common amongst individuals. But due to the advent of food processing and other factors like over cooking thiamine deficiency is on the rise. It is also observed to be high among chronic alcoholics and in some other special circumstances.

Now let us examine a few causes of thiamine deficiency.

Causes Of Thiamine Deficiency:

Relationship With Other Vitamins:

The B-Vitamins were historically considered as a complex vitamin as they weren’t originally understood as multiple varied vitamins. The individual B-vitamins interact with each other and overlap and enhance the activity of each other. They work as a team when they are present together.

Vitamin B1 is the best example of how complex vitamins work in that the absorption of Vitamin B1 is compromised when other vitamins are deficient. Vice versa, when Vitamin B1 is severely deficient, it leads to severe diarrhoea which compromises the absorption of the other nutrients.

Risk Of Toxicity:

There hasn’t been any report of toxicity due to excess intake of thiamine as when supply exceeds needs, we just urinate the excess out of the body. Due to this lack of noticeable toxicity, thiamine has no tolerable upper intake level (UL).

Symptoms of Thiamine Deficiency:

Symptoms of thiamine deficiency include severe fatigue, weakness, lack of energy, degeneration of muscular, nervous and gastrointestinal systems. It can lead to severe diseases, especially in the nervous and circulatory systems.

The following are the diseases that can be caused due to or be complicated by the deficiency of thiamine

Nutrient Chart:

Nutrient Rating System Chart:

Now, It is not just important to know the foods that contain thiamine, but also to know what is the concentration of nutrients in each food item with respect to the calories that it contains. You want thiamine, but you don’t want to ingest any more calories that you ought to!

Now, we present to you a nutrient rating system chart that will allow you to know which food items are extremely rich in thiamine. The table contains information including the serving size used to calculate, the amount of thiamine contained in a serving.It also represents the percentage daily value (DV) that this amount represents as well as the rating according to WHFoods rating system.

Foods Ranked As Quality Sources Of Vitamin B1

Food

Serving
Size

Cals

Amount
(mg)

DRI/DV
(%)

Nutrient
Density

World’s
Healthiest
Foods Rating

Asparagus

1 cup

39.6

0.29

24

11.0

excellent

Sunflower Seeds

0.25 cup

204.4

0.52

43

3.8

very good

Green Peas

1 cup

115.7

0.36

30

4.7

very good

Flaxseeds

2 TBS

74.8

0.23

19

4.6

very good

Brussels Sprouts

1 cup

56.2

0.17

14

4.5

very good

Beet Greens

1 cup

38.9

0.17

14

6.6

very good

Spinach

1 cup

41.4

0.17

14

6.2

very good

Cabbage

1 cup

43.5

0.11

9

3.8

very good

Eggplant

1 cup

34.6

0.08

7

3.5

very good

Romaine Lettuce

2 cups

16.0

0.07

6

6.6

very good

Mushrooms, Crimini

1 cup

15.8

0.07

6

6.6

very good

Navy Beans

1 cup

254.8

0.43

36

2.5

good

Black Beans

1 cup

227.0

0.42

35

2.8

good

Barley

0.33 cup

217.1

0.40

33

2.8

good

Dried Peas

1 cup

231.3

0.37

31

2.4

good

Lentils

1 cup

229.7

0.33

28

2.2

good

Pinto Beans

1 cup

244.5

0.33

28

2.0

good

Lima Beans

1 cup

216.2

0.30

25

2.1

good

Oats

0.25 cup

151.7

0.30

25

3.0

good

Sesame Seeds

0.25 cup

206.3

0.28

23

2.0

good

Kidney Beans

1 cup

224.8

0.28

23

1.9

good

Peanuts

0.25 cup

206.9

0.23

19

1.7

good

Sweet Potato

1 medium

180.0

0.21

18

1.8

good

Tofu

4 oz

164.4

0.18

15

1.6

good

Tuna

4 oz

147.4

0.15

13

1.5

good

Pineapple

1 cup

82.5

0.13

11

2.4

good

Oranges

1 medium

61.6

0.11

9

2.7

good

Broccoli

1 cup

54.6

0.10

8

2.7

good

Green Beans

1 cup

43.8

0.09

8

3.1

good

Onions

1 cup

92.4

0.09

8

1.5

good

Collard Greens

1 cup

62.7

0.08

7

1.9

good

Summer Squash

1 cup

36.0

0.08

7

3.3

good

Carrots

1 cup

50.0

0.08

7

2.4

good

Tomatoes

1 cup

32.4

0.07

6

3.2

good

Cantaloupe

1 cup

54.4

0.07

6

1.9

good

Kale

1 cup

36.4

0.07

6

2.9

good

Mustard Greens

1 cup

36.4

0.06

5

2.5

good

Turnip Greens

1 cup

28.8

0.06

5

3.1

good

Swiss Chard

1 cup

35.0

0.06

5

2.6

good

Bok Choy

1 cup

20.4

0.05

4

3.7

good

Watermelon

1 cup

45.6

0.05

4

1.6

good

Bell Peppers

1 cup

28.5

0.05

4

2.6

good

Cauliflower

1 cup

28.5

0.05

4

2.6

good

Grapefruit

0.50 medium

41.0

0.05

4

1.8

good

Garlic

6 cloves

26.8

0.04

3

2.2

good

Parsley

0.50 cup

10.9

0.03

3

4.1

good

Cucumber

1 cup

15.6

0.03

3

2.9

good

Cumin

2 tsp

15.8

0.03

3

2.9

good

Mustard Seeds

2 tsp

20.3

0.03

3

2.2

good

Sea Vegetables

1 TBS

10.8

0.03

3

4.1

good

World’s Healthiest
Foods Rating

Rule

excellent

DRI/DV>=75% OR
Density>=7.6 AND DRI/DV>=10%

very good

DRI/DV>=50% OR
Density>=3.4 AND DRI/DV>=5%

good

DRI/DV>=25% OR
Density>=1.5 AND DRI/DV>=2.5%

Impact of Cooking, Storage and Processing:

Thiamine is a nutrient that is present in almost all edible substances. Then why is thiamine deficiency so extensive? The answer to this question is given in this section that elucidates on how high amounts of thiamine is lost from food from the various processes these substances undergo like cooking, heating, processing etc.

Cooking

Thiamine is highly prone to the risk of damage by heat. Conventional cooking methods, as well as microwaving, reduces the vitamin B1 content of your food by about 20-50%. Roasting may even lead to total removal of thiamine from the grains (prolonged exposure to 300°F for one hour).

Processing

It has been observed that multiple levels of processing that includes storage and heating steaming, roasting, etc. destroys the thiamine content of the food substance. This is evident from the increase in instances of beriberi in countries which rely heavily on rice intake.

When these countries started to polish the outer layers off the rice prior to cooking decreased Thiamine level were noticed.The outer layers of rice contain high levels of Thiamine and polishing it off means polishing thiamine off. Processed food grains are likely to have lost a good amount of B1.

A significant amount of thiamine is lost due to over-heating, roasting, cooking, storage and processing. Therefore, it is always better to have fresh, whole foods than processed food items. Make your diet a minimally processed one and be safe from thiamine deficiency.

Hope this article provided you enough idea about why thiamine is needed in your body and what will happen due to its deficiency.So Start checking your food intake and make sure you are taking enough thiamine.

Leave your comments and suggestions below.Stay Healthy

Reference:

  1. https://en.wikipedia.org/wiki/Thiamine
  2. Assem, E. S. K. Anaphylactic reaction to thiamine. Practitioner 1973;211:565.
  3. Stiles, M. H. Hypersensitivity to thiamine chloride with a note on sensitivity to pyridoxine hydrochloride. J Allergy 1941;12:507-509.
  4. Schiff, L. Collapse following parenteral administration of a solution of thiamine hydrochloride. JAMA 1941;117:609.
  5. Bech, P., Rasmussen, S., Dahl, A., Lauritsen, B., and Lund, K. The withdrawal syndrome scale for alcohol and related psychoactive drugs. Nord Psykiatr Tidsskr 1989;43:291-294.
  6. http://www.webmd.boots.com/vitamins-and-minerals/vitamin-b1-thiamine
  7. Stanhope, J. M. and McCaskie, C. S. Assessment method and medication requirement in chlormethoazole detoxification from alcohol. Aust Drug Alcohol Rev 1986;5:273-277.
  8. https://www.nlm.nih.gov/medlineplus/ency/article/000339.htm

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