I have partly answered this question already - in my Q N A page here
This report - Nutritional and therapeutic importance of Daucus carota- A review IOSR Journal Of Pharmacy www.iosrphr.org (e)-ISSN: 2250-3013, (p)-ISSN: 2319 4219 Volume 7, Issue 2 Version. 1 (Feb 2017), PP. 72-8872 states:
"Seeds were aromatic, carminative, diuretic, emmenagogue, stimulant, and were used for dropsy, chronic dysentery, kidney ailments, worms, as aphrodisiac, nervine tonic, and for uterine pain. Roots were refrigerant and used in infusion for threadworm, as diuretic and eliminating uric acid [65-67]. The ethnobotanical uses of this species also included applications in the treatment of cough, diarrhea, dysentery, cancer, malaria, tumors, as an antiseptic, abortifacient, aphrodisiac, carminative, stimulant, stomachic and tonic . Daucus carota was used by the Ancient Egyptians as a stimulant, carminative, diuretic, anthelmintic and as a decoction for infantile diarrhea ."
This Carrot Museum page talks about the crushed carrot seeds which were an ingredient of medical pills produced by the ancient Greeks around 130 bce. "
Theriac or Theriaca is a medical concoction originally formulated by the Greeks in the 1st century AD and widely adopted in the ancient world as far away as Persia, China and India via the trading links of the Silk Route It was an alexipharmic, or antidote, considered a panacea, for which it could serve as a synonym. Galen (ad 129 onwards) called his preparation Theriac of Andromachus and for as long as Galenic medicine held sway, so did the appeal of the Theriac -not just as an antidote for snake bites but eventually as a universal cure-all. Stored in ornate porcelain jars, often illustrated with scenes from the life of Mithridites, it survived into medieval Europe in the trade that developed in Theriacs, most notably in Italy, where Theriacs became known as the Venice Treacle.
There is a publication "Toxicology in Antiquity" by Philip Wexler which gives a few recipes for Theriac, starting with Mithridites. Each contain carrot seeds. - Mithridites VI Eupator of Pontus (b. c. 134 BC) ruled a Black Sea Empire to rival the Roman Republic in a series of wars that lasted decades. As Rome’s most dangerous enemy until his death in 63 BC, Mithridites is recognized as the first experimental toxicologist for his extensive investigations into a vast number of poisons and antidotes.
This passage mentions the inclusion of carrot seeds in the "Secret Antidote"
THE SECRET ANTIDOTE In antiquity, each natural poison—animal, plant, or mineral—was believed to have a natural antidote. Traditional theriacs normally combined substances that were thought to counter poisons (Pliny 25.2.58). Mithridates’ basic recipe probably contained some of those common ingredients, such as cinnamon, myrrh, cassia, honey, castor, musk, frankincense, rue, tannin, garlic, Lemnian earth, Chian wine, charcoal, curdled milk, centaury, aristolochia (birthwort), ginger, iris (orris root), rue, Eupatorium, rhubarb, hypericum (St. John’s wort), saffron, walnuts, figs, parsley, acacia, carrot, cardamom, anise, opium, and other ingredients from the Mediterranean and Black Sea, Arabia, North Africa, Eurasia, and India (Mayor, 2010; Totelin, 2004).
If you go to Google Scholar and search for Theriac Carrot Seeds you will be overwhelmed with evidence that people have used carrot seeds throughout the ages, albeit mainly wild varieties.
Here is what Dioskorides said in his De Materia Medica "A decoction of the seed of any of them (taken as a drink) is warming. It expels the menstrual flow, is an abortifacient, induces the flow of urine, and frees one from griping, relieving old coughs. A decoction (taken as a drink with wine) helps those bitten by harvest spiders" - museum page here
Theriac was also used in an attempt to cure the Plague and Black Death in Europe.
This page gives some notes on the health benefits of carrot seeds - https://www.alwosta.tn/en/blog/156_amazing-health-benefits-of-carrot-seeds.html
You can make the seeds (crushed or ground) into tea, either pure carrot seeds or blended with other tea. I have tried some and it tasted dreadful! According to this site - https://www.drshalini.com/carrot-carrot-seeds-benefits/ - "Carrot seeds are metal (semen) reinforcing. It also increases the amount of urine and purifies the uterus.".... "If the menstruation comes down or does not come on time, drinking a decoction of carrot seeds is beneficial."
Carrots seeds have been used for centuries in India and surrounding countries as an aid to contraception, mainly using wild carrot seeds, but I guess domestic carrot seeds would also work. Bizarrely they have also been used to aid conception (!) it all depends on when you take them. My contraception page here
I have never tried ground carrot seeds personally, but I spoke to a guy in Turkey a couple of years ago who did put them in powder form in soups, stews, curries and casseroles. I think they will give a bitter, acrid taste if used in large quantities. They sell carrot powder over there in the local markets, often a cross between ground seeds and dried carrot roots, but also some only carrot seed powders. Search edible carrot seed powder and you find lots of results. It is also named " Gajar K Beej"
Carrot Seed properties
What are the Chemical Constituents of wild Carrot Seeds?
It contains flavones including chypsin, apigenein and luteolin. Wild carrot seeds also consist of furanocoumins, 5-methoxysoralen and 8- methoxysoralen. Its seed consists of an oil which is a renal irritant and can cause diuretic activity. The tuber of this plant contains alpha and beta carotenes.
The health benefits of carrot seeds:
Antiseptic, Disinfectant, Antioxidant, Anti-carcinogen, Tonic and Diuretic.
Liver – carrot seed has long been a good stimulant for this function. The carrot is also good for this organ, so there would be no reason that it it not its seed.
Skin – carrot seed with its antibacterial and antiseptic qualities can be really god for the skin. It is ideal for treating acne but also fro cleansing the skin and leaving it hydrated.
Colds – carrot seed is also commonly used to fight common colds, flu like conditions. the seed has the ability to fight bacteria and viruses, helping the immune system to be stronger.
Detox – to detoxify the body and aid digestion and purify the intestines and also act on the kidneys. Carrot seed is good as a general depurative agent.
Antioxidant – carrot seed can help retain youth. Antioxidants in the seeds repair tissue damage by oxidants (free radicals) and prevent them from doing more damage. these antioxidants protect the skin against wrinkles, keep hair from going grey, strengthinen joints and muscles. They can help protect against macular degeneration, sexual deficiency, weak digestion, some forms of cancer and other age related problems.
Infertility in men – carrot seeds have been noted for their sperm stimulating properties. Antioxidant improves sperm mobility and their ability to swim towards the egg.
Heal Infections – carrot seed can cure infections. Antiseptic properties include the a ability to prevent tetanus. When ingested it effectively helps to cure infections of the throat, mouth, colon, stomach, intestines and urinary tract. All forms of ulcers, rashes, psoriasis etc are helped by carrot seed consumption. Also good for respiratory infections.
Diuretic properties – it increases urine. Expressing urine lets the body get rid of many toxins. It also helps to reduce blood pressure and clean the kidneys.
Menstruation – seeds can make it less painful and more regular.
Worms – carrot seeds can help eliminate intestinal worms
What are the Medicinal uses of Wild Carrot Seeds?
It is used to treat piles. This herb strengthens cardiac muscles.
Wild carrot seeds are used as an abortifacient in the early stages of pregnancy.
Irritable bowel syndrome can be treated with the use of this herb.
Vitamin A deficiency can be treated by the consumption of this herb.
It improves digestion and appetite. This herb consists of anti-oxidant, eliminates free radicals.
Wild carrot herb can be used to lower the blood pressure in hypertensive patients.
It boosts up the immunity and increases body's strength to fight against infections and diseases.
This herb has hepato-protective actions, it protects the liver against various diseases and infections. It helps in jaundice too.
Wild carrot seeds have absorbent action and hence help to treat diarrhea and other similar conditions.
It treats anorexia and improves digestion. This herb has anthelmintic action. It eliminates or kills the worms in the body.
Wild carrot seeds can be used to treat various eye disorders.
It helps to prevent cardiovascular diseases by lowering the blood cholesterol level.
This herb has reno-protective action. It protects the kidney against harmful chemicals and drugs.
Wild carrot seeds have anti-inflammatory action, relieves the pain, redness, and swelling of the affected area.
This herb has anti-bacterial action. It protects the body against bacterial infections.
It treats gas and flatulence. This herb is used to treat coughs and soreness of throat.
Its tea is helpful in treating gout and should be taken once a day.
Wild carrot seed is used to treat ulcers and its associated pains.
A warm infusion of Wild carrot seed is used to treat diabetes. It has a diuretic action.
These seeds are helpful in cold, cough, asthma and other respiratory conditions.
It helps to relieve joint pains due to increased uric acid. Wild carrot treats water retention and bladder ailments.
It has anti-lithic action, helps to prevent or clear out sand and gravel from the kidneys.
Carminative action of this herbs helps to calm and settle the stomach and easing flatulence.
What are the Possible Side-Effects of Wild Carrot Seeds?
High doses of this herb can cause Kidney damage; Nerve problems;Skin Rashes
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Gonçalves, E.M., Pinheiro, J., Abreu, M. and Silva, C.L. (2010) Carrot (Daucus carota L.) Peroxidase Inactivation, Phenolic Content and Physical Changes Kinetics Due to Blanching. Journal of Food Engineering, 97, 574-581.
Zaini, R., Clench, M.R. and Maitre, C.L. (2011) Bioactive Chemicals from Carrot (Daucus carota) Juice Extracts for the Treatment of Leukemia. Journal of Medicinal Food, 14, 1303-1312. http://dx.doi.org/10.1089/jmf.2010.0284 [Citation Time(s):1]
Food and Nutrition Sciences Vol.05 No.22(2014), Article ID:52066,9 pages 10.4236/fns.2014.522227 Nutritional and Health Benefits of Carrots and Their Seed ExtractsJoão Carlos da Silva Dias