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Showing posts with label beta vulgaris. Show all posts
Showing posts with label beta vulgaris. Show all posts

Nutritional value of beets - Part 14: Swiss chard


Swiss chard leaf

Swiss chard, or simply 'chard', is part of the beet family (beta vulgaris). Indeed, beet greens and Swiss chard are often said to be the best-of-the-best high-quality, nutrient-dense super foods available. 

Chard is eaten for its leaves, not the root.  The leaves were the main value of beets, also, a few thousand years ago; however, over time, we have come to use the beet root as well. 

Swiss chard is known by other names: mangold, crab beet, silverbeet, spinach beet, perpetual spinach, and seakale beet. The latter, seakale, is often said to be the original plant which, through cultivation, gave rise to the modern beet root. Seakale can still be found growing wild in some areas by the Mediterranean Sea.

The name Swiss chard appears to have originated only in the nineteenth century. It is believed by some that the moniker Swiss was added to the name chard in order to distinguish chard from the French word for spinach. I doubt this since that word is epinard. More likely, 'Swiss' distinguishes this chard from another similar plant name pronounced much like chard at that time, perhaps carde, which was the French name for another chard-like vegetable, cardoon. Cardoon somewhat resembles celery but is related to artichokes.


Swiss chard is found to be a rich source of Vitamins A, C and K, plus dietary fibre, minerals, protein, carotenoids, and folic acid. When eaten raw, it is an excellent source of enzymes.

This Table contains only those values for nutrients present in the highest quantities in chard. For a more extensive list of nutrients and their associated values, please refer to the USDA National Nutrient database.

The nutritional values of Swiss chard are most abundantly represented in the following listed vitamins, phyto-nutrients and minerals:

Swiss chard: raw and cooked
Measure: 1 cup (36g)raw [7 calories] 
                1 cup (175g) cooked [35 calories]

Principle
Nutrient value
raw
 Nutrient value
cooked
2202 IU
10717 IU
10.8 mg
31.5 mg
298.8 mcg
572.8 mcg
Calcium
18 mg
102 mg
29 mg
150 mg
136 mg
961 mg
Sodium
77 mg
313 mg
Lutein + zeaxanthin
3960 mcg
19276 mcg
1313 mcg
6391 mcg

IU = International Units; mg = milligram; mcg = microgram

Some food writers warn that Swiss chard is an unhealthy vegetable choice because it has a substantial sodium content. Obviously, these writers have not thought this through. When you examine the table above, you see that the sodium content is more than balanced by the potassium content. The sodium/potassium pump is well provisioned by Swiss chard.

No Recommended Daily Allowance (RDA) is provided. For a broad overview of one of the new, incomplete standard measures that have replaced the RDA, check out Dietary Reference Intake .

Recipes using Swiss chard:




If you found this post useful, you may also wish to follow these links to find additional information on the health benefits of beets:

Table of nutritional values of raw beet root

Phyto-nutrients: betaine

Glycemic Index (GI) and Glycemic Load (GL)

Phytochemicals
Table of nutritional values of raw beet greens
Vitamin A (Beet greens - raw)
Vitamin C (Beet greens - raw)
Vitamin K (Beet greens - raw)
Potassium (Beet greens - raw)
Magnesium (Beet greens - raw)
Manganese (Beet greens - raw)
Table of nutritional values of cooked beet root
Carotene-B

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The nutritional value of beets : Part 1- Beets, fresh, raw

Here is where I get up on my soapbox to begin a discussion of the nutritional value of beets: the good stuff, the bad stuff, the right stuff and the just plain wrong stuff that has been published and/or believed about beets. 


Beets: fresh, raw, velvety, and full of goodness


 A chart of the common factors that are measured in food laboratories is a useful tool at this juncture. I chose to use the United States Food and Drug Agency (FDA) Nutritional Nutrient database, a source which is easily accessed and to which common reference can be made.

From this data, we observe that beets are found to have nutritional values that are generous in folates, manganese and Vitamin C, and in carbohydrates and dietary fibre, as well as the phytonutrients Carotene-B and Betaine. In future posts, these factors and related subjects will be explored.

Another source, the IFAfitness.com book ( http://www.ifafitness.com/book/USDA-RDA.htm ), has been used for the percentage of Recommended Daily Allowances (RDA-RDI), for additional information.  It is as accurate as I could manage to find at this time.

Data in the IFA tables are categorised by age and gender. These data listed below are for adult females (generalised). For adult males (generalised ), the percentages of RDA (not listed here) are lower. The RDA for some elements is not available simply because either I haven't located a reliable source or there is no published general agreement upon what that allowance should be. For precise data, please visit the IFA site and check the entries for your gender and age. 


Beets (beta vulgaris) 
Nutritional value per 100g (approximately ½ cup) of fresh, raw beet root
Source: USDA National Nutrient database






Principle
Nutrient value
Percentage of RDA*
Energy
43 kcal
2
Carbohydrates
9.56 g
7
Protein
1.61 g
1
Total fat
0.17 g
0.5
Cholesterol
0 mg
0
Dietary fibre
2.8 g
7
Sugars
6.76 g




Vitamins


Folates
109 mcg
27
Niacin
0.334 mg
2
Pantothenic acid
0.155 mg
3
Pyridoxine
0.067 mg
5
Thiamin
0.031 mg
2.5
Riboflavin
0.040 mg
4
Vitamin A
33 IU
1
Vitamin C
4.9 mg
8
Vitamin E
0.04 mg
0.5
Vitamin K
0.2 mcg
0



Electrolytes


Sodium
78 mg
5
Potassium
325 mg
7



Minerals


Calcium
16 mg
1.5
Copper
0.075 mg
8
Iron
0.80 mg
10
Magnesium
23 mg
6
Manganese
0.329 mg
14
Phosphorous, P
40 mg

Zinc
0.35 mg
3%



Phyto-nutrients


20 mcg
- - 
128.7 mg
- - 
*RDA : Recommended Daily Allowance
See the following posts for more information on the health benefits of beets:




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