Kādi ir krustnagliņu eļļas ieguvumi veselībai un izmantojums?

Krustnagliņu eļļu iegūst no krustnagliņu koka. Tas ir tvaiks, kas destilēts no krustnagliņu pumpuriem, kuriem ir asa asa smaka. Tā dzimtene ir Dienvidaustrumu Āzija, un gadsimtiem ilgi to lieto sāpju ārstēšanai, kas saistītas ar zobu problēmām.

Ir teikts, ka krustnagliņu eļļai piemīt antioksidanta, pretmikrobu, pretsēnīšu, pretiekaisuma un anestēzijas īpašības (1), (2). Tas var arī palīdzēt ārstēt ādas kaites, palīdzēt gremošanai un uzlabot imūnsistēmu. Šajā rakstā ir aplūkoti krustnagliņu eļļas iespējamie ieguvumi veselībai, lietošana un blakusparādības. Lasiet tālāk, lai uzzinātu vairāk.

12 krustnagliņu eļļas lietošanas veidi un ieguvumi

1. Var mazināt zobu sāpes

Krustnagliņu ēteriskā eļļa var palīdzēt novērst dobumus un mazināt mutes dobuma sāpes. Tradicionāli to lieto zobu sāpju mazināšanai. To lieto arī ārkārtas situācijās zobos, piemēram, mutes vai rīkles iekaisumā. Ir ziņots, ka krustnagliņu eļļu izmanto arī noteiktu zobu pastu un mutes skalojamo līdzekļu pagatavošanā (3). Eugenolu, aromātisku eļļainu šķidrumu, kas iegūts no krustnagliņu eļļas, lieto kā nomierinošu līdzekli zobārstniecības procedūrās (4). Krustnagliņai piemīt arī anti-plāksnes īpašības. Tas var kavēt perorālo baktēriju augšanu, kas var izraisīt zobu aplikumu (5).

Tika konstatēts, ka krustnagliņu ēteriskajai eļļai piemīt antikariogēna un citotoksiska aktivitāte pret lielu skaitu perorālo patogēnu (6). Eugenols un eugenilacetāts ir divas krustnagliņu ēteriskās eļļas aktīvās sastāvdaļas, kas palīdz novērst atkaļķošanos vai zobu eroziju (7). Krustnagliņu eļļa ir visefektīvākā pret mikroorganismiem, kas izraisa zobu kariesu (8).

2. Var palīdzēt ārstēt ādas slimības un pūtītes

Krustnagliņu eļļa tiek iedarbota pret Propionibacterium acnes, baktērijām, kas izraisa pūtītes (9). Tomēr, lai izdarītu turpmākus secinājumus, ir vajadzīgi vairāk pētījumu šajā virzienā.

Kairas, Ēģiptes Dermatoloģijas departamenta veiktais pētījums atklāja, ka krustnagliņu eļļa bija efektīva hroniskas niezes lokālā ārstēšanā (10).

Cits Mansoura Universitātes slimnīcas, Ēģiptes veiktais pētījums atklāja, ka krustnagliņu eļļas krēma vietēja lietošana varētu palīdzēt hronisku anālo plaisu ārstēšanā (11).

3. Var būt pretsāpju īpašības

Tika konstatēts, ka krustnagliņu eļļas masāža efektīvi mazina muguras sāpes pēcdzemdību mātēm (12). Krustnagliņu eļļai tiek piemīt pretsāpju īpašības, kas samazina zobu un locītavu sāpes, aktivizējot kalcija un hlorīda kanālus limfmezglos (13). Krustnagliņā esošais eigenols ir pētīts arī attiecībā uz tā pretsāpju iedarbību (14). Krustnagliņu eļļa varētu arī mazināt sāpes pelēm (15).

Vēl viens Kuveitas universitātes veiktais pētījums atklāja, ka krustnagliņu gēlam varētu būt potenciāls aizstāt benzokainu kā lokālu anestēziju (16).

4. Maija palīdzības sagremošana

Krustnagliņu eļļa var palīdzēt mazināt sliktu dūšu, vemšanu un kustību slimības, pateicoties tās pret kairinošajām un nomierinošajām īpašībām (17). Krustnagliņu ēteriskajā eļļā esošajam eigenolam ir spēja stimulēt gļotu sintēzi, kas ir svarīgs gastroprotektīvais faktors (18). Tomēr ir nepieciešami turpmāki pētījumi, lai izprastu tā izmantošanu kuņģa čūlu ārstēšanā.

5. Var uzlabot imūnsistēmu

Krustnagliņās esošais eigenols aizsargā šūnu membrānas no brīvo radikāļu bojājumiem un oksidatīvā stresa (19). Vienā pētījumā ar dzīvniekiem eļļa varētu arī aizsargāties pret radiācijas izraisītu oksidatīvo stresu (20). Ir teikts, ka krustnagliņu eļļai piemīt pretiekaisuma iedarbība. Pētījums parādīja krustnagliņu eļļu ar devu atkarīgu pretiekaisuma iedarbību uz Wistar žurkām (21). Arī eļļai tika konstatēts antinociceptīvs un pretdrudža efekts pelēm (22).

6. Var būt pretmikrobu īpašības

Krustnagliņu ēteriskā eļļa ir spēcīgs pretmikrobu savienojumu avots, kas īpaši darbojas pret baktēriju patogēniem (23). Eļļa var efektīvi apturēt vairāku veidu baktēriju augšanu, kā arī iedarboties pret elpceļu patogēniem (24). Tika konstatēts, ka krustnagliņu eļļa darbojas arī pret Escherichia spoles klīniskajām celmām - specifiskām baktērijām, kas ir ļoti izturīgas pret vairākām antibiotikām (25). Jūras veltes mikrobioloģijas un tehnoloģiju nodaļas (Spānija) veiktais pētījums atklāja, ka krustnagliņu ēteriskā eļļa efektīvi iznīcināja Staphylococcus aureus biofilmas (26) .

Turklāt krustnagliņu eļļa darbojas pret Candida albicans, kas izraisa piena sēnīti, sēnīšu un maksts rauga infekcijas. Krustnagliņu eļļā esošais eigenols varētu izraisīt pretkandidālu efektu (27). Tojamas Medicīnas un farmācijas universitātes veiktais pētījums atklāja, ka aciklovira kombinācija Tojamas Medicīnas un farmācijas universitātes veiktais pētījums atklāja, ka aciklovira (pretvīrusu zāles) un krustnagliņas kombinācija pelēm var ārstēt herpes simplex vīrusu infekciju (28). Ēterisko eļļu maisījums ar krustnagliņu eļļu varētu ievērojami vājināt gripas vīrusu. Ar eļļas maisījumu ārstētajiem vīrusiem bija minimāla vīrusu olbaltumvielu ekspresija. Tas nozīmē, ka krustnagliņu eļļa varētu būt spējīga cīnīties ar noteiktiem vīrusiem, kas izraisa infekcijas (29).

7. Var darboties kā kukaiņu atbaidīšanas līdzeklis

Krustnagliņu eļļa var darboties kā kukaiņu atbaidītāja un novērst vektoru pārnēsātās slimības (ko cilvēkiem izraisa parazīts) (30). Pētījumā konstatēts, ka krustnagliņas ēteriskās eļļas sastāvdaļas varētu būt noderīgas ķermeņa utu repelentu ražošanā (31). Krustnagliņu eļļa varētu arī izrādīt atbaidīšanas aktivitāti pret japāņu termītiem (32).

Taizemes Mahidola universitātes veiktais pētījums atklāja, ka krustnagliņu eļļa var atvairīt Leptotrombidium ķiplokus , kas ir kāpuru suga. Eļļa varētu būt arī drošāka un lētāka alternatīva sintētiskajiem repelentiem, kas var izraisīt blakusparādības (33). Krustnagliņu ēteriskā eļļa izrādīja atbaidīšanu arī pret citu kāpuru sugu Leptotrombidium deliense (34). Arī tika konstatēts, ka krustnagliņu ēterisko eļļu saturošs preparāts ir efektīvs pret Aedes aegypti odu (35).

Krustnagliņu eļļā esošais eigenols varētu darboties arī kā daudzsološa alternatīva parastajiem insekticīdiem (36). Tika konstatēts, ka krustnagliņā esošās bioaktīvās ķīmiskās vielas eigenols, eugenola acetāts un beta-kariofilēns spēja atbaidīt sarkanās uguns skudras (37).

8. Var mazināt sāpes vēderā

Ir ierosināts, ka krustnagliņu eļļā esošais eigenols ir noderīgs kuņģa un zarnu trakta sūdzībām, piemēram, sāpēm vēderā. To lieto arī klepus, flegmas un pārslodzes ārstēšanā (38). Krustnagliņu var izmantot, lai mazinātu sāpes vēderā. Tomēr šī apgalvojuma pamatošanai ir pieejami ierobežoti dati.

9. Maijs var uzlabot sirds un asinsvadu veselību

Krustnagliņu eļļa var palīdzēt uzlabot sirds un asinsvadu veselību. Tradicionāli ir zināms, ka tas uzlabo asinsriti. Žurku pētījums parādīja, ka eugenols eļļā paplašina smadzeņu artērijas. Cilvēkiem tas var nozīmēt samazinātu insulta risku (39). Žurkām ārstēšana ar eugenolu var pazemināt asinsspiediena līmeni un pat palēnināt sirdsdarbības ātrumu (40). Citā pētījumā žurkas ar lielu fruktozes daudzumu barībā, ievadot krustnagliņu ēterisko eļļu, parādīja tauku aknu uzlabošanos. Eļļa varētu arī regulēt žurku holesterīna līmeni. Pētījums ierosina krustnagliņu eļļas iespējamās kardioprotektīvās īpašības (41).

Cukura diabēta žurkām krustnagliņu eļļa varētu parādīt arī kardioprotektīvus efektus. Tas varētu būt eļļas antioksidantu īpašību dēļ (42). Citā pētījumā secināts, ka eigenols varētu būt terapeitiski noderīgs kā antihipertensīvs līdzeklis (43).

10. Var veicināt matu augšanu

Ir zināms, ka eigenols stimulē matu saknes. Tika konstatēts, ka krustnagliņu eļļu saturošs sastāvs kondicionē matus un uzlabo to augšanu. Tas varētu salabot matu vārpstu (44). Tomēr, lai izdarītu turpmākus secinājumus, ir vajadzīgi vairāk pētījumu šajā virzienā.

11. Var būt pretvēža īpašības

Eugenols tika identificēts kā viens no līdzekļiem, kam varētu būt pretvēža īpašības. Tas var arī novērst vēža šūnu vairošanos un var palīdzēt ar vēža šūnu nāvi (apoptozi) (45) .

Citā pētījumā eigenols varētu nomākt melanomas vai ādas vēža augšanu. Ārstēšana ar Eugenol varētu samazināt audzēja lielumu par 40%, kā arī aizkavēja audzēju augšanu (46). Nacionālā toksikoloģijas programma, kuras pamatā ir vairāki ilgtermiņa kancerogenitātes pētījumi, secināja, ka eigenols nav kancerogēns žurkām (47). Līdzīgus novērojumus varētu sagaidīt arī cilvēkiem.

Citā pētījumā tika konstatēts, ka krustnagliņu ekstrakts kavē audzēja augšanu. Tas varētu būt jauns kolorektālā vēža ārstēšanas veids (48).

Tomēr ir svarīgi ievērot piesardzību, jo eugenolam var būt arī noteiktas prooksidanta īpašības. Savienojums var izraisīt alerģiju un citas iekaisuma reakcijas (49).

12. Var darboties kā afrodiziaks

In studies on male mice, extracts of clove (along with nutmeg) could enhance sexual behavior (50). In another study, 50% ethanolic extract of clove produced a significant and sustained increase in the sexual activity of normal male rats. The extract also caused no adverse effects (51). However, more studies are warranted in this regard.

These are the major benefits of clove oil. The oil also has other important uses, which we will explore in the following section.

Other Uses of Clove Oil

• Clove oil blended with cinnamon, orange, nutmeg, or vanilla oils can lift one’s spirits. Using this warming blend in a diffuser will soon fill the room and may also relieve stress.
• Anecdotal evidence suggests that sniffing the spicy aroma of cloves reduces drowsiness and fatigue, irritability, and headaches. It may stimulate the mind and also increase memory recall.
• Cloves encourage the loosening of phlegm from the respiratory system. They also promote sweating during fevers, colds, and flu, which can be very healing. Clove oil is often used in remedies for coughs.
• Like many culinary spices, clove may help relax the smooth muscle lining of the digestive tract. A few drops of the oil in water can relieve nausea. Clove tea may help treat diarrhea, gas, bloating, and intestinal spasms.
• Clove oil stimulates circulation and blood flow to the skin. This may help those with cold extremities.
• Clove oil is as effective as oil of oregano in treating athlete’s foot, nail fungus, and other skin problems. It can be applied directly to the skin or nails (unless the skin is sensitive or broken, wherein it must be diluted with extra virgin olive oil or unrefined coconut oil).
• One drop of clove oil applied to the roof of the mouth may relieve headaches. However, more research is warranted in this regard.
• Clove oil is long used in aromatherapy to relieve pain. For general pain relief, add 3 drops of clove oil to 1 teaspoon of coconut oil or extra virgin olive oil. Apply it to the pain areas.
• A band-aid soaked in a few drops of clove oil can help treat warts. Applying the band-aid to warts may help dissolve them if done regularly for a few weeks.

Clove oil is popularly known as a remedy for toothache. Using oil to relieve tooth pain is simple. Check the following section

How To Use Clove Oil To Treat A Toothache?

Dentists use clove oil as an oral anesthetic and also to disinfect root canals. The oil stops the toothache when dropped into the oral cavity. For temporary relief, dip a cotton swab in clove oil and apply it to the affected tooth. Adding a clove or two to a cup of tea can work miracles on a toothache.

Here is how you can use clove oil to relieve your toothache:

• Dilute a few drops of clove oil in an edible carrier oil, such as olive or coconut oils.
• Dab a clean cotton ball into the solution, and allow it to soak in it.
• Avoiding contact with your gums, apply the cotton ball to the sore tooth. It may take a few minutes of application for you to feel the relief.
• Apply every 2 hours or as necessary.

You can use clove oil in various other ways to achieve its benefits. In the following section we have discussed its most popular uses.

How To Use Clove Oil?

Spray

Using the clove oil as a spray is an easy way to add the clove scent to your room. Clove oil possesses antimicrobial properties, and you can also use it as a mild disinfectant.

To make a clove spray:

• Add several drops of clove oil to water. You would need 10 to 15 drops of clove oil per ounce of water to prepare the spray.
• Add it to a spray bottle. Be sure to shake the bottle well before spraying.

Diffuser

You can also use the oil in a diffuser. While diffusing clove oil, carefully follow the instructions that come with the diffuser. Make sure the room is well-ventilated when you diffuse the clove oil.

Topically

You can apply clove oil to your skin to achieve different benefits.

Massage oils

Use 15 drops of clove oil per ounce of carrier oil to create a 2.5 percent solution of massage oil. This solution can be used as a massage oil for pain relief.

Creams, scrubs, or lotions

For use on normal skin, you need 1 to 2.5 percent dilution of clove oil. For sensitive skin, you need 0.5 to 1 percent dilution of the oil. This diluted solution has no aroma and can be used in the preparation of several scrubs, lotions, or creams.

How Do You Use Clove Oil For Hair Growth?

There is not enough information in this regard. But anecdotal evidence suggests that clove oil acts as a natural remedy to promote hair growth as it contains a number of vital vitamins and minerals. Massaging diluted clove oil into your scalp may boost blood circulation. This could ensure more nutrients and oxygen are supplied to your scalp and hair follicles. To experience the benefits of clove essential oil for hair growth, you can indulge in a hot oil treatment or apply a DIY hair mask prepared with clove oil.

Though clove oil is well studied for its benefits, it may not be suitable for all. The oil may cause side effects in some.

Are There Any Side Effects Of Using Clove Oil?

Clove oil may cause local irritation, rare allergic reactions, and contact dermatitis in some individuals. More severe effects include tissue injury and acute onset of seizures, coma, and damage to the liver and kidneys (52). Clove essential oil is generally recognized as a safe substance when consumed in concentrations lower than 1500 mg/kg. The World Health Organization (WHO) established that the daily quantity acceptable of clove per day is 2.5 mg for every kg of body weight in humans (53).

Hepatotoxicity

High doses of eugenol may harm the liver and kidneys, as per some rat studies. Several instances of severe acute liver and kidney injury have been reported after an accidental overdose of eugenol containing herbal products, largely in infants (54), (55).

May Cause Skin irritation

Excess usage of clove oil can cause skin irritation in some people. Eugenol is an effective substance that is incorporated into many dental products. Contact dermatitis due to this chemical is not unusual. However, true serious allergic reactions are extremely rare (56).

As a primary irritant and sensitizer, eugenol is known to cause contact urticaria as well as chronic urticaria (rashes with dangerous swelling) (57). If you are concerned about your sensitivity to this essential oil, do a patch test before using it. Apply a small amount of diluted clove oil to the inside of your elbow. If you notice signs of skin irritation, like redness, itching, or swelling, don’t use clove oil topically.

May Cause Allergies

It is very rare to have an allergic reaction due to clove oil. The eugenol in the oil may cause oral irritation and heat sensation on the tongue (58).

Drug Interactions

Medications that slow blood clotting (anticoagulant/antiplatelet drugs) interact with clove. Hence, avoid using clove oil if you are taking any anticoagulants. Acetyl eugenol, a component of clove oil (Syzygium aromaticum L.), inhibits platelet aggregation in humans. This could lead to bleeding (59), (60).

Avoid using clove oil if you have had a recent major surgery, peptic ulcers, or bleeding disorders, such as hemophilia.

You can buy clove oil from your nearest health store. But before you make a purchase, you need to keep a few things in mind.

What To Look For When Buying Clove Oil

Look for a purity statement on the label

Try to buy 100 percent clove essential oil and look for other ingredients listed (if any).

Don’t go by the marketing hype

Generally, essential oils are not regulated by the Food and Drug Administration (FDA) in the same way as drugs. Hence, you should be more cautious of any oil that claims to cure a specific condition.

Make sure the clove oil is in a dark glass bottle

Light has the potential to damage essential oils. Dark glass helps keep the light out. Always ensure your product comes packaged in a dark glass bottle.

If you can, smell it before buying it

Clove essential oil has a unique fragrance. Smell it before buying. If it does not smell natural, avoid purchasing it.

Conclusion

Clove oil possesses many therapeutic properties and has several health benefits. From dealing with dental problems to treating cardiovascular issues, this essential oil can improve human health in various ways. However, excess usage may cause several side effects. Hence, limit its use and consult your doctor if you experience any adverse effects.

Expert’s Answers For Readers’ Questions

Can you drink clove oil?

Ingestion of clove oil can be dangerous. Clove oil ingestion may result in coma, fits, and acute liver damage (61).

Can clove oil damage teeth?

Clove oil is generally considered safe for teeth.

How often can I use clove oil on my tooth?

If you are suffering from toothache, you can use it every 3-5 hours for relief. If you have multiple pain points in your mouth after a dental procedure, you can add a few drops of clove oil to coconut oil and swirl it in your mouth.

Does clove oil help you sleep?

The oil contains eugenol that is a mild anesthetic. It may aid in sleeping. Apply a few drops of warm clove oil with some carrier oil on your forehead for better sleep.

Can you apply clove oil directly to the skin?

First, do a patch test after diluting the oil with a carrier oil. If there is no reaction, you can apply clove oil to your skin.

How long does clove oil take to work?

Clove oil may soothe a toothache and relieve pain within minutes. It generally takes 5-10 minutes to work.

61 sources

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