Dulse is a type of seaweed with a salty, bacon-like flavour that is commonly used as food in Ireland and Eastern Canada. It is also used as medicine, although there is no scientific evidence to support this. Dulse is rich in iodine, which is an essential nutrient for thyroid health. It also contains potassium, protein, fibre, and other chemicals that can reduce inflammation. In this article, we will explore the topic of dulse as a laxative and provide information on its potential benefits and side effects.
Characteristics | Values |
---|---|
Is Dulse a laxative? | No evidence found |
Type | Seaweed |
Other Names | Creathnach, Dillisk, Dilsk, Palmaria palmata, Red Dulse, Sea Lettuce Flakes |
Colour | Red to Dark Purple |
Harvest Time | June to October |
Harvest Location | Northwest Pacific Ocean, North Atlantic Ocean |
Uses | Food, Medicine, Bath Salts, Body Creams, Cosmetic Exfoliants |
Nutrients | Iodine, Potassium, Protein, Fibre, Chlorophyll, Vitamin B6, Vitamin B12, Vitamin C, Vitamin E, Folate, Iron, Omega-3 Fatty Acids, Calcium, Magnesium |
Health Benefits | Regulates Thyroid Function, Supports Metabolism, Prevents Chronic Diseases, Reduces Risk of Heart Disease, Protects Bone Health, Supports Development, Detoxifies Heavy Metals, Promotes Healthy Eyesight |
Caution | Not suitable for people with kidney problems or thyroid issues due to high levels of potassium and iodine. |
What You'll Learn
- Dulse is a type of seaweed that is used as food in Ireland and Eastern Canada
- It is rich in iodine, which is an essential nutrient for thyroid health
- It is also a good source of potassium, an important nutrient for heart health
- Dulse contains dietary fibre, which can help reduce constipation
- It is also a source of plant-based protein, which can aid in weight management
Dulse is a type of seaweed that is used as food in Ireland and Eastern Canada
Dulse, or Palmaria palmata, is a type of seaweed that is used as food in Ireland and Eastern Canada. It is commonly found in the intertidal zone and deeper waters along the western Atlantic coast from Maine to Canada, as well as in northern and eastern Atlantic waters. With a history dating back to the early 12th century in Ireland, dulse has become a beloved part of culinary traditions in Wales, Brittany, and Iceland.
Dulse is characterised by its reddish colour, ranging from rose to reddish-purple, and its growth on the faces of rocks and boulders. It is harvested by hand during the short summer season from June to September, after which it is dried in the sun, shaken to remove debris, and then spread thinly on nets to dry further.
Dulse is known for its impressive nutritional content and unique flavour, which has been likened to bacon. It is rich in macro- and micronutrients, including protein, fibre, iodine, B vitamins, and potassium. A one-tablespoon serving of dulse flakes provides approximately 2 grams of carbohydrates, 87 mg of sodium, 835 mcg of iodine, 0.4 mg of Vitamin B6, 391 mg of potassium, and 1.4 mg of iron.
Dulse can be consumed in various forms, including dehydrated, powdered, and flaked. It can be eaten on its own as a snack or used as an ingredient in cooking and baking. It is commonly added to dishes such as soups, stews, sandwiches, and salads, or used as a flavour enhancer in breads, pizzas, and meat dishes. Dulse can also be made into tea by simmering the leaves in water for a few minutes.
In addition to its culinary uses, dulse is also used medicinally. It is believed to help with high cholesterol and the prevention of iodine deficiency, although there is limited scientific evidence to support these claims. Overall, dulse is considered a safe food, but those with kidney or thyroid problems should exercise caution due to its high levels of potassium and iodine.
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It is rich in iodine, which is an essential nutrient for thyroid health
Dulse is a type of seaweed that is used as food in Ireland and Eastern parts of Canada. It is also known as Palmaria palmata, dillisk, dilsk, creathnach, red dulse, and sea lettuce flakes. It is a rich source of iodine, which is an essential nutrient for thyroid health.
Iodine is a trace element that is naturally present in some foods, and it is a critical component of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). These hormones regulate many important biochemical reactions in the body, including protein synthesis and enzymatic activity, and are crucial for metabolic activity. They also play a vital role in the growth and development of the human body, especially in fetuses and infants.
Iodine deficiency can lead to hypothyroidism, which is characterised by an enlargement of the thyroid gland, called goiter. This occurs as the body attempts to trap more iodine to produce thyroid hormones. Iodine deficiency during pregnancy can also cause neurodevelopmental deficits, growth retardation, miscarriage, and stillbirth.
Dulse is an excellent natural source of iodine, with one teaspoon of dried dulse flakes containing up to 150 mg of iodine. This easily meets an adult's daily iodine requirements. Adding dulse to your diet can help ensure adequate iodine intake and support thyroid health. However, it is important to note that excessive iodine consumption can also lead to thyroid issues, so moderation is key.
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It is also a good source of potassium, an important nutrient for heart health
Dulse is a type of seaweed that is used as food in Ireland and Eastern parts of Canada. It is also available in health food stores, organic grocery stores, and alternative health practitioners or naturopaths. It is a good source of potassium, an essential nutrient for maintaining heart health.
Potassium is a mineral that is crucial for overall health. It plays a role in every heartbeat, helping to trigger the heart to pump blood throughout the body. It also helps regulate blood pressure, as it reduces the effects of sodium. A diet high in potassium can help cut systolic blood pressure by more than 10 points in people with high blood pressure. Additionally, potassium helps to ease tension in blood vessel walls, which further contributes to lowering blood pressure.
Studies have shown that healthy levels of potassium in the body are linked to a reduced risk of heart disease. In mouse studies, it was found that a low-potassium diet led to increased vascular calcification and artery stiffness. On the other hand, a high-potassium diet was shown to reduce these issues. This suggests that potassium may play a role in preventing the buildup of calcium in the smooth muscle cells within arteries, which is a contributing factor to atherosclerosis, or hardening of the arteries.
The recommended daily potassium intake for an average adult male is 3,400 milligrams, while for adult females, it is 2,600 milligrams. These recommendations change during pregnancy and breastfeeding. To incorporate more potassium into your diet, it is best to consume fruits, vegetables, dairy products, whole grains, meat, and fish.
While dulse is a good source of potassium, it is important to note that it also contains high levels of iodine. Therefore, it should be consumed in moderation, especially by individuals with kidney problems or thyroid issues.
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Dulse contains dietary fibre, which can help reduce constipation
Dulse is a type of seaweed that contains dietary fibre, which can help reduce constipation. It is a good source of potassium and iron and is particularly rich in iodine and vitamin B6.
Dulse is a sea vegetable with a salty flavour that appeals to chefs and home cooks alike. It is often consumed as a snack and can be fried in oil to make a crispy bacon-like substitute or dry-roasted and crumbled to make a savoury topping for salads, potatoes, or popcorn.
A one-third cup serving of dried whole dulse leaves contains 20 calories, 2 grams of fibre, and 2 grams of protein. It is also a good source of potassium and iron, and is particularly rich in iodine and vitamin B6.
Dulse is also known to contain omega-3 polyunsaturated fatty acids (PUFAs), which are important for heart health and the functioning of the brain and nervous system. It also contains the minerals iodine and potassium, as well as protein, fibre, and other chemicals. Some of these chemicals can help to reduce inflammation.
Dulse is a good source of dietary fibre, which can help to reduce constipation. Fibre helps to regulate digestion and increases satiety, or the feeling of fullness after eating. This can be beneficial for weight loss and maintaining a healthy weight.
Dulse is also a natural laxative, which means it can help to relieve constipation. This is because fibre adds bulk to the stool, which helps to move waste through the digestive tract. This can be especially helpful for people who struggle with constipation or irregular bowel movements.
Overall, dulse is a nutritious and versatile ingredient that can be easily incorporated into a healthy diet. It is a good source of dietary fibre, which can help to reduce constipation and promote regular bowel movements.
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It is also a source of plant-based protein, which can aid in weight management
Dulse is a type of seaweed that is used as food in Ireland and Eastern parts of Canada. It is also available in health food and grocery stores in the form of dehydrated dulse, dulse powder, and dulse capsules.
Dulse is a source of plant-based protein, which can aid in weight management. Protein plays a key role in supporting weight management and overall health. Here are some ways in which plant-based protein from dulse can help with weight management:
Boosting Metabolism
A high protein intake has been shown to boost metabolism and increase the number of calories burned. This is due to the high "thermic effect" of protein, which means that a significant portion of the calories from protein are burned during digestion and metabolism. In one study, overfeeding with a high-protein diet increased calories burned by 260 per day.
Reducing Appetite and Calorie Intake
Protein reduces appetite and makes you feel fuller for longer, leading to an automatic reduction in calorie intake. It does so by increasing levels of satiety hormones (GLP-1, peptide YY, and cholecystokinin) and decreasing levels of the hunger hormone ghrelin. In a 2005 study, consuming 30% of calories from protein caused participants to reduce their calorie intake by 441 calories per day.
Preserving Lean Muscle
When people lose weight, they often lose muscle mass as well. Eating plenty of protein can help prevent muscle loss, allowing you to retain lean muscle mass and maintain a higher metabolic rate.
Improving Cardiometabolic Risk Factors
Higher-protein diets have been associated with improvements in cardiometabolic risk factors, such as reductions in triglycerides, blood pressure, and waist circumference.
Promoting Satiety and Modulating Gut Microbiota
The algal polysaccharides in dulse help increase satiety and modulate gut microbiota, which can contribute to weight management.
Providing Dietary Fibre
In addition to protein, dulse also provides dietary fibre, which aids in weight management by regulating digestion and increasing feelings of fullness.
In summary, dulse is a source of plant-based protein that can aid in weight management by boosting metabolism, reducing appetite, preserving lean muscle mass, improving cardiometabolic risk factors, promoting satiety, and providing dietary fibre.
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Frequently asked questions
No, dulse is not a laxative. However, it is a good source of dietary fibre, which can help reduce constipation.
Dulse is an edible seaweed with a salty, bacon-like flavour. It is typically harvested from the cold waters of the Northwest Pacific Ocean and the North Atlantic Ocean.
Dulse is rich in iodine, which is important for thyroid health and metabolism. It is also a good source of potassium, fibre, protein, and vitamins B6 and C.
People with kidney problems should avoid consuming large amounts of dulse due to its high potassium content. Additionally, those with thyroid issues should exercise caution because of the iodine content. It is also important to ensure that the dulse is not contaminated with heavy metals or other toxins.