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See alsoPumpkin as a food
Botanical names
Botanical names
Cucurbita pepo, Cucurbita maxima
Parts used and where grown
Pumpkins and other squashes are native to North and Central America, but have since been cultivated around the world. The seeds are primarily used in herbal medicine. The yellow blossoms of pumpkins are also used as medicine in some native traditions.
Pumpkin seeds have been used in connection with the following conditions (refer to the individual health concern for complete information):
Science Ratings - Health Concerns
** - Benign prostatic hyperplasia (BPH)
* - Depression
* - Kidney stone
* - Parasites
*** - Reliable and relatively consistent scientific data showing a substantial health benefit.
Parts used and where grown
Pumpkins and other squashes are native to North and Central America, but have since been cultivated around the world. The seeds are primarily used in herbal medicine. The yellow blossoms of pumpkins are also used as medicine in some native traditions.
Pumpkin seeds have been used in connection with the following conditions (refer to the individual health concern for complete information):
Science Ratings - Health Concerns
** - Benign prostatic hyperplasia (BPH)
* - Depression
* - Kidney stone
* - Parasites
*** - Reliable and relatively consistent scientific data showing a substantial health benefit.
** - Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
* - For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support and/or minimal health benefit.
Historical or traditional use (may or may not be supported by scientific studies)
Native Americans used pumpkin flesh and seeds for food. Their use of the seeds for the treatment of intestinal infections eventually led the United States Pharmacopoeia to list pumpkin seeds as an official medicine for parasite elimination from 1863 to 1936.1 Native Americans also commonly used pumpkin seeds to treat a variety of kidney problems. The flowers were used topically to soothe minor injuries.2 Eclectic physicians (doctors who recommended herbal medicine) at the end of the 19th century used pumpkin seeds to treat urinary tract problems and gastritis, and to remove tapeworms and roundworms from the intestines.3
Active constituents
Pumpkin seeds contain several major groups of active constituents: essential fatty acids, amino acids, phytosterols (e.g. beta-sitosterol) minerals, and vitamins. Other major constituents include mucilaginous carbohydrates and minerals.
Pumpkin seed oil has been used in combination with saw palmetto in two double-blind trials to effectively reduce symptoms of benign prostatic hyperplasia (BPH).4 5 Only one open label trial evaluated the effectiveness of pumpkin seed oil alone for BPH.6 Animal studies have shown that pumpkin seed extracts can improve the function of the bladder and urethra. This might partially account for BPH symptom relief.7
Curcurbitin is a constituent in pumpkin seeds that has shown anti-parasitic activity in the test tube.8 Human trials conducted in China have shown pumpkin seeds to be helpful for people with acute schistosomiasis, a severe parasitic disease occurring primarily in Asia and Africa that is transmitted through snails.9 Preliminary human research conducted in China and Russia has shown pumpkin seeds may also help resolve tapeworm infestations.10 11 The assistance of a physician is required to help diagnose and treat any suspected intestinal parasite infections.
Due to the purported L-tryptophan content of pumpkin seeds, they have been suggested to help remedy depression.12 However, research is needed before pumpkin seeds can be considered for this purpose.
Two trials in Thailand have reportedly found that eating pumpkin seeds as a snack can help prevent the most common type of kidney stone.13 14 Pumpkin seeds appear to both reduce levels of substances that promote stone formation in the urine and increase levels of substances that inhibit stone formation. The active constituents of pumpkin seeds responsible for this action have not been identified.
How much is usually taken?
Pumpkin seed oil extracts standardized for fatty acid content have been used in BPH trials. Men with BPH have used 160 mg three times per day with meals.15 Approximately 5–10 grams per day of pumpkin seeds may be needed for kidney stone prevention.16 As a treatment for parasites, 200–400 grams are ground and taken with milk and honey, followed by castor oil two hours later. This treatment, however, should not be attempted unless under medical supervision.
Are there any side effects or interactions?
Pumpkin seeds may cause an upset stomach, but are otherwise extremely safe. There is no reason to believe pumpkin seeds should be avoided during pregnancy or breast-feeding as they are commonly consumed as food during these times without any indication of harm.
At the time of writing, there were no well-known drug interactions with pumpkin.
Historical or traditional use (may or may not be supported by scientific studies)
Native Americans used pumpkin flesh and seeds for food. Their use of the seeds for the treatment of intestinal infections eventually led the United States Pharmacopoeia to list pumpkin seeds as an official medicine for parasite elimination from 1863 to 1936.1 Native Americans also commonly used pumpkin seeds to treat a variety of kidney problems. The flowers were used topically to soothe minor injuries.2 Eclectic physicians (doctors who recommended herbal medicine) at the end of the 19th century used pumpkin seeds to treat urinary tract problems and gastritis, and to remove tapeworms and roundworms from the intestines.3
Active constituents
Pumpkin seeds contain several major groups of active constituents: essential fatty acids, amino acids, phytosterols (e.g. beta-sitosterol) minerals, and vitamins. Other major constituents include mucilaginous carbohydrates and minerals.
Pumpkin seed oil has been used in combination with saw palmetto in two double-blind trials to effectively reduce symptoms of benign prostatic hyperplasia (BPH).4 5 Only one open label trial evaluated the effectiveness of pumpkin seed oil alone for BPH.6 Animal studies have shown that pumpkin seed extracts can improve the function of the bladder and urethra. This might partially account for BPH symptom relief.7
Curcurbitin is a constituent in pumpkin seeds that has shown anti-parasitic activity in the test tube.8 Human trials conducted in China have shown pumpkin seeds to be helpful for people with acute schistosomiasis, a severe parasitic disease occurring primarily in Asia and Africa that is transmitted through snails.9 Preliminary human research conducted in China and Russia has shown pumpkin seeds may also help resolve tapeworm infestations.10 11 The assistance of a physician is required to help diagnose and treat any suspected intestinal parasite infections.
Due to the purported L-tryptophan content of pumpkin seeds, they have been suggested to help remedy depression.12 However, research is needed before pumpkin seeds can be considered for this purpose.
Two trials in Thailand have reportedly found that eating pumpkin seeds as a snack can help prevent the most common type of kidney stone.13 14 Pumpkin seeds appear to both reduce levels of substances that promote stone formation in the urine and increase levels of substances that inhibit stone formation. The active constituents of pumpkin seeds responsible for this action have not been identified.
How much is usually taken?
Pumpkin seed oil extracts standardized for fatty acid content have been used in BPH trials. Men with BPH have used 160 mg three times per day with meals.15 Approximately 5–10 grams per day of pumpkin seeds may be needed for kidney stone prevention.16 As a treatment for parasites, 200–400 grams are ground and taken with milk and honey, followed by castor oil two hours later. This treatment, however, should not be attempted unless under medical supervision.
Are there any side effects or interactions?
Pumpkin seeds may cause an upset stomach, but are otherwise extremely safe. There is no reason to believe pumpkin seeds should be avoided during pregnancy or breast-feeding as they are commonly consumed as food during these times without any indication of harm.
At the time of writing, there were no well-known drug interactions with pumpkin.
Source: www.cncahealth.com
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