Showing posts with label foods. Show all posts
Showing posts with label foods. Show all posts

Magnesium food sources - List of magnesium rich foods

   ›      ›   Magnesium food sources - List of magnesium rich foods
Dietary magnesium (Mg) is present in rich proportions in several animal and plant food sources. Green leafy vegetables are rich in magnesium.
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Mg is a basic component of the chlorophyll which imparts the green color to leaves. Apart from leafy vegetables, magnesium is present in rich quantities in several legumes, nuts, seeds, herbs, spices, whole grains, some fruits and fish. Depending upon the local soil richness, the drinking water can be a rich source of magnesium.

Though magnesium is abundantly available in many plant sources, the dietary surveys in USA reveal that the intakes of this essential mineral are lower than the Recommended Dietary Allowances (RDAs). The skewed nutritional status is primarily due to the changing food habits. The preference to fast foods, reduced consumption of greens and vegetables and increased use of refined or polished grains has lead to decrease in magnesium intake. Further, it is to be noted that natural magnesium rich foods are losing their nutrient value due excessive use of chemical fertilizers. Excessive irrigation can cause leaching of nutrients and chemicals from the root zone of agricultural fields.
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List of 30 rich magnesium food sources

Source: http://ndb.nal.usda.gov/
Magnesium rich food sourcesMagnesium mg/100 gms
Crude rice bran
781
Cottonseed flour
760
Dried basil leaves
711
Dried coriander leaf
694
Dry cultivated seaweed
692
Freeze-dried chives
640
Crude wheat bran
611
Dried pumpkin and squash seed kernels
 592*
Plain dry cocoa powder
519
Dried watermelon seed kernels
515
Celery seed
440
Raw soy flour
429
Dry parsley
400
Flax seed
392
Fennel seed
384
Dried brazil nuts
376
Mustard seed
370
Defatted peanut flour
  370**
Cumin seed
366
Sesame seed
361
Dried safflower seed kernels
353
Poppy seed
347
Dried marjoram
346
Dried chia seed
335
Raw cowpeas
333
Coriander seed
330
Dried sunflower seed kernels
325
Raw cashew nuts
292
Almonds
270
Curry powder
255
*Dried pumpkin seed kernels are also very rich food sources of zinc. They also have rich protein content, nearly 30 mg/100 grams.
**Though peanuts are rich food sources, their rich fat content is a negative factor for using as such without defatting.
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List of rich magnesium food sources among spices and herbs

List of rich spice/herb sources Magnesium mg/100 grams
Dried basil
711
Dried coriander leaf
694
Celery seed
440
Dry parsley
400
Mustard seed
370
Cumin seed
366
Poppy seed
347
Coriander seed
330
Cloves
259
Dill seed
256
Curry powder
255
Cardamom
229
Dried thyme
220
Dried rosemary
220
Ginger
214
Turmeric
208
Fenugreek seed
191
Nutmeg
183
Black pepper
171
Anise seed
170


List of rich green vegetable food sources of magnesium

List of greens/vegetablesMagnesium mg/100 grams
Freeze dried green pepper
188
Dried gourd strips
125
Raw spinach
79
Cooked lima beans
74
Raw beet greens
70
Raw soybean green
65
Raw peas
56
Raw kale
47
Raw drumstick pods
45
Collards
29


List of animal food sources

Animal food sourcesMagnesium mg/100 grams
Raw emu fillet
42
Turkey [meat only]
28
Chicken [meat only]
27
Lamb meat
25
Raw beef
24


List of fish food sources

Finfish and shellfish sources Magnesium mg/100 grams
Cooked queen crab
63
Cooked eastern oyster
58
Cooked spiny lobster
51
Cooked tuna
44
Cooked bluefish
42
Cooked burbot
41
Canned cod
41
Cooked pike
40
Cooked seatrout
40
Canned mackerel
37
Cooked salmon
35
Cooked swordfish
35
Canned tuna
34


List of rich food sources of nuts and seeds

Nuts and seeds Magnesium mg/100 grams
Cottonseed flour
760
Dried pumpkin and squash seed kernels
592
Dried watermelon seed kernels
515
Raw soy flour
429
Flaxseed
392
Fennel seed
384
Dried brazil nuts
376
Defatted peanut flour
370
Sesame seed
361
Dried safflower seed kernels
353
Dried sunflower seed kernels
325
Raw cashew nuts
292
Almonds
270
Hazelnuts
163
Raw chestnuts
32

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List of rich fruit sources

Fruits Magnesium mg/100 grams
Raw tamarinds
92
Raw prickly pears
85
Dried figs
68
Dehydrated prunes
64
Dehydrated apricots
63
Dehydrated peaches
57
Dates
54
Dried litchis
42
Dried currants
41
Dried plums
41
Raw plantains
37
Pineapple juice
35
Orange juice
35
Seedless raisins
35


List of dairy products

Dairy products Magnesium mg/100 grams
Dried whey
176
Fat free American cheese
115
Dried buttermilk
110
Dried nonfat milk
110
Swiss cheese
38
Cheddar cheese
27


List of rich sources in cereals and grains

Cereals and grains Magnesium mg/100 grams
Oat flour
144
Whole-wheat dry spaghetti
143
White corn grain
127
Cornmeal
127
Whole-grain sorghum flour
123
Brown rice flour
112
Barley meal
96
Raw white rice
25


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References:
1.http://ods.od.nih.gov/


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Current topic on nutritional deficiency diseases: List of magnesium rich food sources.

Calcium food sources - List of calcium rich foods

List of calcium rich food sources
Calcium is present in rich proportions in a variety of plant and animal food sources.
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We can certainly make a fairly long list of calcium rich food sources. Calcium, a very important mineral in bone metabolism, is also necessary for the neuromotor, cardiovascular, hematological, hepatic and nephrological functions of the human body. About 1,000 milligrams of the mineral is required daily for active men and women. In elderly people intestinal absorption of the nutrients decreases and the calcium requirement may increase to 1,200 milligrams per day.

As is interdependent on vitamin D status, for effective absorption and utilization of the mineral, sufficient vitamin D must be consumed. Depending upon the form of the mineral and also the presence of certain other nutrients, calcium absorption may get suppressed. If phytates and oxalates are present in the food, calcium may get bound to them and become unabsorbable. Boiling and fermentation can reduce the binding of the mineral to other nutrients. In many processed foods, calcium is added as part of the manufacturing process or added to increase the nutritive status.

List of 20 calcium rich foods

A list of very rich sources of the mineral is given below.
List of dairy sources
Yogurt
Cheese
Milk
List of animal sources
Sardines
Mackerel
List of plant sources
Tofu
Collard greens
Spinach
Turnip greens
Mustard greens
Beet greens
Bok choy
Swiss chard
Kale
Sesame seeds
Broccoli
Brussels sprouts
Green beans
Oranges
Almonds
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Rich dairy sources
Except for the fat concentrates like butter and ghee, all dairy products contain rich amounts of calcium.
Eight ounces plain yogurt has about 400 mg.
Five ounces of mozzarella cheese contains 330 mg of the element.
Three ounces of cheddar cheese contains 600 mg.
One cup of cottage cheese contains about 140 mg of the mineral.
Eight ounces of whole milk contains about 280 mg of the mineral.
Eight ounces nonfat or low fat milk has about 300 mg.
Eight ounces of lowfat buttermilk has about 280 mg of this nutrient.
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Animal food sources
Among the animal sources, only fish yield rich amounts of calcium. The fleshy part of the fish is low in the mineral. The fish has to be consumed along with the soft bones to get the calcium.
Three ounces of sardines canned in oil, when taken with bones give 325 mg of the element.
Three ounces of canned salmon with bones contains 180 mg.
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Rich plant food sources
When compared plant foods are not as rich as animal sources. However certain leafy green vegetables have fairly rich amounts of calcium.
One cup of fresh boiled turnip greens contain about 200gm.
One cup of raw kale contains 100 mg.
Eight ounces of collard greens contain up to 350 mg of the mineral.
Eight ounces of green boiled soybeans may contain 175 mg.
Eight ounces of cooked Chinese cabbage (bok choy) has 160 mg.
One cup of canned white beans has 190 mg of the mineral.
One ounce of dry roasted almonds contain 75 mg.
Fortified food sources
Fortified milk (soymilk etc) has about 300 mg of calcium in eight ounces.
Rich fortified fruit juice contains up to 300 mg of the mineral in six ounces.
One cup of firm rich tofu made with calcium sulfate has about 500 mg of the mineral.
One cup of soft tofu made with calcium sulfate has about 280 mg.
Depending upon the level of fortification, ready-to-eat cereals may contain up to 1,000 mg of calcium.
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Related topics in nutritional deficiency diseases:
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References:
1.http://www.health.gov/dietaryguidelines/dga2005/document/html/AppendixB.htm#appB4
2.http://www.health.gov/dietaryguidelines/dga2005/document/html/AppendixB.htm#appB5
3.http://ods.od.nih.gov/factsheets/Calcium-HealthProfessional/


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Current topic on nutritional deficiency diseases: List of calcium rich food sources.

Nutrition - DHA (docosahexaenoic acid) rich food sources

Jan 2014  Food sources rich in DHA
Docosahexaenoic acid (DHA), a long chain polyunsaturated omega-3 fatty acid, is a vital fat component in the brain and retinal tissue.
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For the proper development of brain and retina of the fetus, inclusion of sufficient DHA rich food sources like fish are necessary during the pregnancy. After the childbirth, there is rapid growth of brain in the newborn up to 12 months. The nursing mother has to consume more of rich food sources containing this fatty acid to keep up with the brain development in the child.

As the child grows, the docosahexaenoic acid requirements also grow for the further development and function of the brain. Throughout the adulthood DHA is necessary for maintaining mental health. The old age related mental decline, memory loss, cognitive decline and other mental disorders are possibly  the results of deficiency of the DHA in the food sources or malabsorption. However, the present American diet contains less than 100 mg of docosahexaenoic acid per day, far below the required daily allowance.

Indirect source of DHA

Alpha-linolenic acid (ALA) is a polyunsaturated omega-3 fatty acid. It is an essential fatty acid. As human body cannot synthesize ALA, we have to include it in our food sources. ALA is helpful in energy production and there are no known independent benefits on brain or eye.  Normally seed oils are rich in omega-3 fatty acids. Chia, flaxseed, rapeseed, pumpkin seeds and walnuts are rich food sources. Alpha-linolenic acid is a precursor for the synthesis of docosahexaenoic acid and   in the body. However the process is inefficient and very small quantities of ALA get converted into DHA. Compared to women, there is further decline in the ALA to docosahexaenoic acid conversion in men.

, an omega-6 polyunsaturated fatty acid, competes with DHA and EPA for positions in cell membranes. Excess presence of ARA in fact can interfere with the docosahexaenoic acid synthesis. These omega-6 fatty acids reduce the amount of alpha-linolenic acid that's converted to EPA and DHA by up to 50%. Our present food habits contribute to intake of ARA rich sources and over-dosing in omega-6 fats. It is further affecting the conversion of ALA into DHA.

Preformed food sources of DHA

Considering the above facts, docosahexaenoic acid, being essential for many of the body functions, has to taken in the form of food or supplements. Most of the seafood such as fish, shellfish, mammals and microalgae are rich sources of preformed DHA.

Fish and fish oil
Among the fish, oily cold water fish are the rich sources of docosahexaenoic acid. Salmon contains up to 2000 mg of these fats per 6 ounce serving. Bluefin tuna, swordfish, anchovies, herring, sardines, pilchards and trout are some of the DHA rich foods. Fish oil is extracted from the fish and marketed for its high omega-3 fatty acid content.

Green lipped mussels
Green lipped mussel is a bivalve mollusk cultured extensively in New Zealand. It is consumed for its high protein and omega-3 values. Green lipped mussel oil extract and powder are marketed for their rich omega-3 fatty acid content and therapeutic values.


Hen have greater capacity for converting ALA into docosahexaenoic acid and EPA. When poultry feed is enriched with flaxseed, fish oil or , the eggs produced contain higher amounts of these omega-3 fatty acids.

Krill
Krill are shrimplike crustaceans found in all the world’s cold oceans. Krill body oil is rich in these omega-3 fatty acids. Due to its shell, cooking and consuming krill is difficult and unpalatable. Krill oil is extracted and marketed for its rich docosahexaenoic acid content.

Plant Sources
Marine weeds, algae and microalgae are also rich sources of DHA. NASA associated research led to the developing a strain of microalgae yielding docosahexaenoic acid rich oil. Now algal DHA is being added to many food products to fortify them. Vegetarians and vegans can use these food sources.

Now there are changing trends and 99% of the infant formula sold in the United States is fortified with algal DHA. Docosahexaenoic acid fortified food sources like beverages, milk, yogurt and breads are now available.
Current topic on nutritional deficiency diseases:
Rich food sources of DHA.

Arachidonic acid - Foods - Sources

Jan 2014  Food sources of arachidonic acid
is an omega-6 polyunsaturated fatty acid required by our body for the pro-inflammatory immune responses in healing and repair process.
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Too much arachidonic acid from food sources leads to body's over immune response with excess production of prostaglandins and leucotrienes causing inflammatory diseases. Rich arachidonic acid foods include organ meat, certain fish like tilapia and egg-yolk.

The importance of arachidonic acid can be gauged from the fact that it is one of the most abundant fatty acids in the brain, accounting for ten per cent of its fat content. ARA protects the brain from oxidative damage by activating PPAR-gamma.

The impaired metabolism of ARA can lead to neurological problems. ARA is required for early neurological development. It is found to activate the protein connected with the growth and the repair of neuron cells.

The growth of muscles tissue after workout is induced by the presence of arachidonic acid in sufficient quantities. It is a PUFA and is present attached to phospholipids in the cell membranes. It is involved in cellular signaling and initiates cascades of biochemical processes for the production of inflammatory eicosanoids.

ALA and LA are precursors to three biochemically very important omega FAs. The same enzymes are required for the conversion of ALA into DHA and also LA into ARA. The presence of omega-3 ALA in sufficient quantities in the food sources is found to compete for the enzymes resulting in lesser amount of LA being converted into ARA. So a proper balance in the ratio between omega-3 and omega-6 is necessary. However our present day food habits and preferences have given an abnormal tilt towards omega-6 with omega-3 content getting greatly reduced. This has to be corrected and a healthy ratio of 2:1 between omega-3 and omega-6 must be aimed for in our food intake.

Food sources of arachidonic acid

  • Sources of ARA are meat, seafood and poultry.
  • Animal organs like liver, brain, kidneys have high concentrations of this FA.
  • The concentration of ARA in foods from animal sources is lesser in grazing animals than animals fed with formulated feed.
  • Lamb liver is believed to contain the greatest amount of ARA.
  • Egg yolk for its weight contains high amounts of ARA.
  • Farm raised fish like tilapia and catfish have high levels of this FA.
  • Many plant foods such as vegetable oils are indirect sources of arachidonic acid.
  • Most of the oils contain high concentration of linoleic acid, a precursor for synthesis of ARA in the body.
To sum up we have to understand that arachidonic acid is very important for many biochemical processes in the body. However its excess presence can precipitate many inflammatory disorders. The intake of sufficient omega-3 fats attunes the presence of ARA. Selection of foods from various sources for balancing the presence of omega-3 and omega-6 fats will negate the harmful effects of excess of arachidonic acid.


Reference:
Chilton FH, Rudel LL, Parks JS, Arm JP, Seeds MC. Mechanisms by which botanical lipids affect inflammatory disorders. Am J Clin Nutr. 2008 Feb;87(2):498S-503S.
Current topic in nutritional deficiency diseases:
Sources of arachidonic acid in foods.

Selenium foods - Natural rich selenium sources

Home > Natural rich selenium food sources

Natural plant foods are generally rich sources of selenium.

Throughout the world, most of the rich sources of selenium are of plant origin.
Animals raised on natural plants and fodder containing high levels of selenium also yield meat and dairy products containing high levels of this trace mineral.
However the amount of selenium in crops cannot be accurately given as the analysis results vary from place to place due variance in local soil availability.
The availability of selenium in seafood is excellent and it appears to be more consistent as local variables are almost absent.
Among the foods containing rich quantity of Brazil nuts top.
As produce containing too much selenium can be toxic, it is advised to take Brazil nuts moderately.

Rich sources of selenium

Selenium rich foodsmcg of selenium in 100 gms
Nuts
Brazil nuts, dried, unblanched1917.0
mixed nuts, with peanuts, oil roasted, with salt140.9
sunflower seed kernels, dry roasted79.3
cashew nuts, dry roasted11.7
Fish foods having selenium
Fish, roughy, orange, cooked, dry heat88.3
Fish, roughy, orange, raw66.7
Fish, herring, pickled58.5
Flatfish, cooked, dry heat58.2
Sardine, canned in oil, drained solids with bone52.7
Fish sandwich, with tartar sauce and cheese48.4
Halibut fish cooked, dry heat46.8
Rockfish, cooked, dry heat46.8
Tuna fish salad41.2
Salmon, sockeye, cooked, dry heat37.8
Halibut fish, raw36.5
Rockfish, raw36.5
Fish, salmon, sockeye, raw33.7
Flatfish raw32.7
Shellfish
Oyster, cooked, breaded and fried66.5
clam, canned, drained48.6
Lobster, cooked42.7
Shrimp, breaded and fried41.7
Lobster raw41.4
Crab, blue, canned31.8
Meat sources
Chicken giblets, cooked, simmered59.6
Turkey, giblets, cooked57.9
Beef, cured, corned beef, canned42.9
Egg, whole, raw, fresh31.7
Duck, meat, cooked, roasted22.4
Lamb, shoulder raw19.8
Duck, meat, raw13.9
Cereals
Whole-grain wheat flour70.7
Oat bran, raw 45.2
Noodles, Chinese, chow mein43.0
Barley, pearled, raw37.7
Wheat flour, white, all-purpose33.9
Rye bread30.9
Macaroni, cooked,26.4
Bread, oatmeal24.6
Rice, parboiled, dry 23.9
Cornmeal, whole-grain, yellow15.5
Rice, white, cooked 7.5
Dairy products
Milk, canned, condensed, sweetened 14.8
Cheese, ricotta, whole milk14.5
Cheese, cottage, low fat 9.0
Yogurt, plain, skim milk3.6
Vegetable sources of foods
Spaghetti, cooked26.4
Spaghetti, spinach, cooked22.1
Mushrooms, white, raw9.3
Chickpeas raw8.2
Apple pie7.8
Soybeans, mature cooked, boiled7.3
Asparagus, frozen, cooked, boiled3.9
Beans, baked 5.7
Tomato products, canned, paste5.3

The RDA (Recommended Dietary Allowances) of selenium

Children and Adolescents
1-3 years20 mcg
4-8 years30 mcg
9-13 years40 mcg
14-18 years55mcg
Adults (19 years +)
males and females55 mcg
pregnant women60 mcg
Lactating women70 mcg
Adequate intake (AI) levels for infants
0-6 months15 mcg
6-12 months20 mcg
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Chromium in diabetes.
Rich natural food sources (current topic).
Most of people take adequate selenium and in specific instances of deficiency supplements or rich sources of foods are to be sought to ward off the deficiency diseases.

Vitamin C - Food sources

Home > Food sources of vitamin C

A wide variety of sources of vitamin C foods are available from plant and animal origins.
Vitamin C from plant origin

A number of fruits like papayas, lemons, oranges, pineapples etc.. contain considerable amounts of ascorbic acid and are great natural resources.
Vegetables and leafy vegetables like red and green peppers, cauliflower, cabbage, broccoli, parsley and peas are some of the good sources.
Some of the fruits and vegetables and the available amount of ascorbic acid in 100 gms is listed below.
Richest of vitamin C foods:
PlantsAmount (mg / 100g)
Kakadu plums3000
Camu Camu2800
Rose hip2000
Acerola1500
Seabuckthorn700
Jujube500
Indian gooseberry450
Baobab400

Kakadu plum
Richest source of vitamin C - Kakadu plum

Vitamin C from fruits:
fruitsAmount (mg / 100g)
Blackcurrant200
Guava100
Kiwifruit90
Redcurrant80
Lychee70
Papaya60-70
Strawberry60-65
Orange50-55
Lemon40
Melon40
Grapefruit30
Raspberry30
Tangerine30
Mandarin orange30
Passion fruit30
Lime30
Mango28
Blackberry21
Melon20
Blueberry10
Pineapple10
Grape10
Apricot10
Plum10
Watermelon10
Banana9
Avocado8

Vitamin C from vegetables:
vegetablesAmount (mg / 100g)
Red pepper190
Parsley130
Broccoli90
Brussels sprouts80
Cauliflower40
Garlic31
Spinach30
Cabbage30
Potato20
Tomato10
Carrot9

Among the animal sources of ascorbic acid foods, livers of live stock, oysters, cod roe and milk are important.
Great care is required in processing and storing of the vitamin C foods to reduce storage losses.
We should reduce the exposure of the vegetables to sunlight and air.
Freeze-drying of the fruits and vegetables reduces the losses.
Microwave cooking preserves much of the ascorbic acid present in vegetables.
We should cook in minimal water and cut the vegetable into bigger pieces to avoid losses.

Recommended daily dietary allowance of ascorbic acid:
age grouprequirement in milligrams
0-6 months40
7-12 months50
1-5 years20
5-10 years25
10-18 years50-75
18+ years90
pregnant/ lactating125
therapeutic rangeupto 2000

Related topics:
Vitamin C (ascorbic acid)
Scurvy causes
Signs and symptoms
Treatment, cure and prevention.

Current topic:
Vitamin C (ascorbic acid) food sources.