Quali sono le migliori ricerche

La foglia della pianta di aloe vera ha un mercato annuale stimato di oltre $ 13 miliardi (1). Questo numero è destinato solo a crescere.

Ci sono centinaia di studi che parlano dell'aloe vera e dei suoi presunti benefici. La maggior parte di essi è provata e alcuni sono ancora oggetto di indagine.

La pianta è stata utilizzata per migliaia di anni. È rimasto piuttosto popolare nella medicina tradizionale indiana e cinese e persino nella medicina occidentale.

Il suo utilizzo nei cosmetici e in altri prodotti è iniziato negli anni '70 (2). Il gel della pianta può trattare l'infiammazione e correggere i disturbi della pelle. La ricerca ha molto da affermare sui suoi effetti sul diabete e sulla perdita di peso. Diamo un'occhiata ai benefici dell'aloe vera in dettaglio.

Cos'è l'Aloe Vera e come funziona?

L'aloe vera è un arbusto a gambo corto che viene spesso chiamato una pianta delle meraviglie . Il genere contiene oltre 500 specie, la maggior parte delle quali si trova in Nord Africa.

Aloe vera è il nome scientifico (aloe è il nome del genere e vera è il nome della specie). È ampiamente utilizzato oggi in alimenti, cosmetici, rimedi erboristici e integratori alimentari.

Oltre a parti dell'Africa, le piante di aloe sono diffuse anche in Medio Oriente e in varie isole dell'Oceano Indiano. La pianta è stata usata storicamente. I documenti menzionano il suo uso risalente al IV secolo aC (3). Questo è più di duemila anni fa.

L'uso più importante dell'aloe vera è nel trattamento delle condizioni della pelle e delle ferite. L'assunzione orale della pianta (il suo gel o lattice) può favorire la salute dell'apparato digerente e aiutare notevolmente il trattamento del diabete e delle malattie infettive (4).

La pianta contiene oltre 75 potenti costituenti: questi includono vitamine, minerali, enzimi, saponine, salicilico e amminoacidi e zuccheri (5).

L'aloe vera è una delle pochissime piante nutrizionalmente ricche al mondo. Quello che può fare per te è incredibile quanto il suo profilo nutrizionale.

Quali sono i benefici per la salute dell'aloe vera?

L'aloe vera è uno dei pochi alimenti naturali nutrizionalmente più densi disponibili. È ricco di importanti vitamine, minerali e antiossidanti. Combattono l'infiammazione, rafforzano l'immunità e curano disturbi cronici come il diabete. L'aloe vera ha anche eccellenti applicazioni per migliorare la salute della pelle.

1. Combatte l'infiammazione

Negli studi, l'aloe vera ha prodotto effetti antinfiammatori migliori della medicina convenzionale. In uno studio che ha coinvolto 40 volontari, il gel di aloe vera era migliore nel combattere l'infiammazione e il rossore rispetto alla crema di idrocortisone (6).

In un altro studio, gli estratti di aloe vera hanno ridotto l'edema nelle zampe di ratto. Ciò è stato attribuito alle proprietà antinfiammatorie dell'aloe vera. I risultati hanno mostrato che l'aloe vera potrebbe anche inibire l'infiammazione (7).

Le proprietà antinfiammatorie della pianta possono anche aiutare nel trattamento dell'osteoartrosi (8). L'aloe previene anche gli effetti irritanti gastrointestinali dei FANS. I farmaci antinfiammatori non steroidei sono prescritti per alleviare il dolore in casi come l'artrite.

L'aloe vera può trattare il dolore cronico non canceroso, in particolare quello causato dall'osteoartrite (9). L'applicazione del gel della pianta sulle articolazioni gonfie e infiammate può fornire un grande sollievo. Questo gel può migliorare la mobilità articolare e ridurre il dolore.

2. Promuove la salute dell'apparato digerente

La sindrome dell'intestino irritabile è uno dei problemi digestivi più dolorosi. Gli studi dimostrano che l'aloe vera può alleviare i suoi sintomi. In un rapporto, l'uso di aloe vera era collegato alla riduzione del dolore e del disagio negli individui che avevano la sindrome dell'intestino irritabile (10).

Il rapporto ha anche affermato che l'aloe vera potrebbe alleviare il dolore associato alla stitichezza (10). Sebbene non sia stato in grado di migliorare la frequenza e l'urgenza delle feci in questi individui, ha mostrato un miglioramento significativo della condizione.

Il lattice della pianta di aloe vera è comunemente usato come lassativo. Il lattice contiene glicosidi antrachinonici , responsabili di questo effetto. I soggetti con costipazione cronica hanno mostrato un miglioramento visibile quando trattati con una nuova preparazione contenente aloe vera (4).

Alcuni fattori che hanno visto un miglioramento includono la consistenza delle feci e la frequenza dei movimenti intestinali.

Ma poiché la sicurezza del suo lattice è ancora da stabilire, ti suggeriamo di utilizzare il lattice di aloe solo dopo aver consultato il tuo medico (4). Il lattice viene estratto da sotto la pelle della pianta ed è giallo.

L'aloe vera può anche trattare i sintomi della GERD (malattia da reflusso gastroesofageo) quasi senza effetti collaterali. I suoi effetti sono stati trovati paragonabili a omeprazolo e ranitidina, due farmaci spesso prescritti per GERD (11).

La pianta protegge anche il rivestimento gastrointestinale dagli effetti negativi dell'eccesso di acido gastrico. Mostra ciò che i ricercatori chiamano "attività antisecretoria dell'acido gastrico". Grazie a questa attività, l'aloe vera protegge la mucosa gastrica da altri agenti nocivi a basse concentrazioni (12).

L'aloe vera orale può anche alleviare i sintomi della colite ulcerosa. In uno studio, l'aloe vera orale presa per quattro settimane ha prodotto risultati migliori rispetto al placebo (13). La pianta può anche promuovere la guarigione di ulcere gastriche ed emorroidi (14), (15).

3. Può rafforzare l'immunità

L'aloe vera migliora il funzionamento dei macrofagi cellulari, componenti importanti del sistema immunitario (16).

La ricerca è scarsa, ma secondo un rapporto, una preparazione contenente polvere di aloe vera ha potenziato l'immunità negli individui con Alzheimer (17).

Il preparato, un integratore alimentare a base di polvere di aloe vera, ha migliorato l'immunità e la cognizione in 34 adulti con diagnosi di Alzheimer da lieve a moderato.

4. Tratta il diabete

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L'uso di aloe vera orale può aiutare a ridurre i livelli di glucosio nel sangue a digiuno (18). Negli individui, l'assunzione di aloe vera aveva ridotto i livelli di glucosio nel sangue a digiuno di 46,6 mg / dL.

L'aloe vera ha avuto anche un effetto sui livelli di emoglobina glicata (18). L'emoglobina glicata è una misura del glucosio nel sangue negli ultimi 2-3 mesi.

Similar effects were observed in individuals with prediabetes. Use of aloe vera not only reverted impaired blood glucose levels in 4 weeks but also alleviated their abnormal lipid profiles (19).

Aloe vera was also effective in increasing insulin sensitivity in these individuals (19). The plant contains glucomannan, hydrophilic fiber, and phytosterol that are responsible for these effects.

Interestingly, pulps of aloe vera leaves without the gel were found to be effective (20). Those with the gel had shown hyperglycemic (elevated blood glucose levels) effects in rat studies.

Using aloe vera for diabetes treatment is quite simple. You can take a teaspoonful of aloe juice twice a day. This regularizes insulin flow and lowers blood sugar levels.

You may also apply aloe vera gel to diabetic boils and inflammation.

5. Can Aid Weight Loss

In obese rats, administration of dried aloe vera gel powder could reduce body fat mass. The powder could achieve this by stimulating energy expenditure in the rats. The study concludes by stating aloe vera to be a potential ingredient for the prevention and improvement of diet-induced obesity (21).

Dietary aloe had also reduced obesity-induced inflammatory responses in obese mice (22).

Further studies also confirm the anti-obesity effects of aloe vera. Rats with diet-induced obesity were studied for 90 days after being administered with aloe vera gel powder. They showed a modest decrease in body fat. More importantly, the gel powder had significantly reduced subcutaneous and visceral fat weight (23).

This study also concludes by stating that aloe vera could stimulate energy expenditure.

Interestingly, the studies highlight not only on the good effects of aloe vera on obesity but also on the associated metabolic disorders. The plant also has beneficial effects on serum levels of glucose, cholesterol, and triglycerides (23).

6. May Treat Interstitial Cystitis

Interstitial cystitis is also called painful bladder syndrome. It is a chronic bladder health issue characterized by pain and pressure in the bladder area.

Aloe vera is identified as a nutraceutical that works wonders in individuals with interstitial cystitis. It is a naturally occurring mucopolysaccharide that is often used to treat symptoms of interstitial cystitis (24).

Use of aloe vera might be helpful in treating some cases of the disease. But we recommend you speak to your doctor as more research is warranted in this regard (25).

Some anecdotal evidence also suggests that aloe vera might irritate the bladder. This could especially be true in case of the juice as it is preserved using citric acid. Hence, please check with your doctor before you consume aloe vera juice.

7. Promotes Oral Health

Studies on periodontitis show that aloe vera can help in its treatment. Periodontitis is an oral infectious inflammatory disease. Ingestion of aloe vera relieved the related symptoms (26).

Aloe vera reduces bleeding and swelling of the gums. It works as a powerful antiseptic in areas of the mouth that are hard to reach through normal cleaning. The plant extracts also work to treat the cracked or split corners of the mouth (26).

Aloe gel also facilitates powerful healing and can be used after tooth extraction (27).

Aloe vera showed equal effectiveness as Chlorhexidine, an antiseptic commonly used in mouthwashes (28).

A particular aloe vera tooth gel was found to be effective in controlling bacteria that cause cavities. This effect was far superior to commercially available toothpaste (29).

Aloe vera gel could be the best alternative for people with sensitive teeth or gums. The gel has no harsh abrasives that are present in most commercially available toothpastes (30). The gel also has anti-inflammatory and antibacterial properties.

The gel also inhibits the growth of Candida albicans, which is the most common bacterial species in the oral cavity (31). Mouthwashes containing aloe vera were also found to reduce dental plaque effectively (32). Further studies support the effective use of aloe vera in treating plaque-induced gingivitis (33).

8. Might Prevent Some Forms Of Cancer

Studies show that aloe vera can inhibit the proliferation of human breast and cervical cancer cells. It also works synergistically with cisplatin, a drug used in cancer chemotherapy (34).

However, research on aloe vera and cancer is controversial. Some studies show that aloe vera might aggravate cancer in certain cases. We shall look into those details in a later section of this post.

9. Helps Treat Acne

A formulation containing aloe vera was found to be more effective in treating acne than a regular OTC cream. When 60 patients with mild to moderate acne vulgaris were treated with the aloe vera formulation and the OTC cream, those using the former experienced a greater reduction in acne severity and scars (35).

Aloe vera has skin soothing properties and is hence added to most skin moisturizers specifically meant for acne treatment (36).

Studies also show that products formulated with high concentrations of aloe gel are more effective in treating inflammatory conditions. Adding aloe vera gel to Ocimum oil enhanced its acne-fighting ability (37). Increased aloe contents had further improved acne lesions.

Here’s how you can use aloe vera to treat acne. Apply the gel directly to the acne at night and wash your face in the morning.

Mixing aloe vera with some lime juice also helps. Do this in 8:1 ratio (8 parts of aloe vera to 1 part of lime juice). Spread this mask on your face. Avoid applying it to the eye area and other sensitive parts of your face. Leave it on for 10 minutes and then wash your face thoroughly.

10. Can Fight Signs Of Premature Aging

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Intake of aloe gel improved facial wrinkles in subjects (38). After three months of aloe supplementation, the facial wrinkles and skin surface roughness decreased in the subjects.

Aloe could also increase elasticity in photoaged skin. It achieved this by increasing collagen production. Studies conclude by stating that oral aloe gel supplementation could be a novel method to combat the early signs of aging (38).

Aloe vera contains acemannan, a biologically active compound that promotes collagen synthesis (39). This way, aloe vera may have a role to play in delaying the signs of aging.

11. Moisturizes Skin

Aloe vera is one of the best natural ingredients to boost skin moisture. Cosmetic preparations containing higher amounts of aloe vera could offer better skin hydration over longer periods (40).

The gel can also be used to complement treatments for dry skin (40).

Aloe vera also can be used to treat pigmentation and reduce the appearance of stretch marks (41).

The moisturizing properties of aloe vera may also help treat skin inflammation and minor irritations and burns (42). Another reason we recommend aloe vera for skin is its safety. In its case, very rare cases of contact allergy have been reported (42).

Topical application of aloe vera might be effective for treating herpes and psoriasis (43). We need more research on this, though. The plant can also relieve itching and inflammation associated with poison ivy (44).

12. Promotes Wound Healing

Wound healing could be one of aloe vera’s biggest benefits. It accelerates the healing process by promoting the proliferation of fibroblasts (cells that produce collagen) (45).

Similar results were observed in other rat studies. The topical application of aloe vera improved the healing of cutaneous wounds (46).

Aloe vera heals scabies too. Scabies is a contagious skin disease marked by severe itching and raised red spots. A study had found aloe vera to be as effective as benzyl benzoate in treating scabies (47).

The plant has also been used historically as an effective treatment for cold sores (48). We need further research, though, on how it can be used to treat the condition in modern times.

Aloe vera also heals radiation-induced dermatitis. This type of dermatitis is an after effect of the radiation therapy that individuals receive (49). These healing effects of aloe vera were more evident in individuals undergoing high-degree radiation therapies.

13. May Improve Hair Health

How aloe vera promotes hair growth is still being researched upon. But it does improve scalp health. Treatment with aloe vera was found to reduce the itchiness, scaliness, and size of the scalp area affected by seborrheic dermatitis (50).

The nutrients in aloe vera may promote hair and scalp health. The effects can outweigh most of the commercially sold shampoos that often don’t give results.

Aloe vera also improves blood circulation (51). This may promote the health of hair roots, thereby strengthening your tresses.

These benefits show us why aloe vera is indispensable in our daily routine. The plant manages to rejuvenate the different facets of your health – both inside and outside.

We have briefly discussed the nutrients present in aloe vera. Now, let’s get to the details.

What Is The Nutritional Profile* Of Aloe Vera?

Aloe vera contains over 75 active nutrients. These include the following:

• Vitamins , including A, B12, C, E, folic acid, and choline.
• Minerals , including calcium, copper, chromium, magnesium, manganese, selenium, potassium, zinc, sodium.
• Enzymes , including aliiase, alkaline phosphatase, amylase, catalase, cellulase, lipase, bradykinase, carboxypeptidase, and peroxidase.
• Sugars , including monosaccharides and polysaccharides.

It also contains anthraquinones, fatty acids, hormones, and amino acids (20 of the 22 human required amino acids and 7 of the 8 essential amino acids).

The nutrition profile should be reason enough for us to start including aloe vera in our diets. But how?

How To Include Aloe Vera In Your Diet

Aloe vera is a fun and easy addition to a host of food preparations. Here are a few pointers that can help:

• You can eat aloe leaves as a snack between meals.
• You can also drink the aloe gel.
• Add the gel to your evening smoothie.
• Add aloe vera gel cubes to other ingredients like tomatoes, cilantro, lime juice, sea salt, and garlic in a blender. Blend well, and your salsa is ready, which you can serve with tacos or chips
• Adding aloe vera leaves to a salad works wonders too (you can also add the gel).

You may also relish aloe juice. You need an aloe vera leaf and a cup of any desired fruit juice. Slit one edge of the leaf and scoop out the gel (you may store this gel in a jar and refrigerate it for future use). Add two tablespoons of this gel to the fruit juice and blend and serve.

You can have aloe vera juice daily. You can pick the aloe leaves from your nearest supermarket or online at Amazon.

You will also get the following aloe products at your nearest health store or online:

• Gel – Buy it here!
• Juice – Buy it here!
• Supplements – Buy it here!
• Powder – Buy it here!
• Oil – Buy it here!

What Are The Other Uses Of Aloe Vera?

Apart from what we discussed, there are other ways you can make use of the goodness of aloe vera.

• You Can Use Aloe Vera To Keep Your Produce Fresh

Applying a very thin layer of aloe gel to your produce might do the trick. A Cambridge study looked at tomato plants coated with aloe gel. This coating was found to block the growth of harmful bacteria on the vegetables (52).

Similar effects were observed in the case of oranges as well (53).

• You Can Use It As A Mouthwash

We have discussed this already. The antibacterial and anti-inflammatory properties of the gel can help in maintaining your oral health. Aloe vera could be a better alternative to most chemical-based mouthwashes.

Some anecdotal evidence also suggests that you can use aloe vera to treat tattoo wounds. However, there is no study to support this.

Aloe vera is used in skin creams, shaving creams, soaps, gels, toothpaste, shampoos, and several other products. This only means it is always safe for use, right?

Not always.

Any Concerns With Aloe Vera?

• May Increase Cancer Risk

Some studies show that consumption of decolorized aloe vera leaf extract may increase the risk of cancer (54). Though these studies were conducted on rats, the findings are worrisome. Hence, please consult your doctor before using any form of aloe vera to supplement cancer treatment.

• Can Be Harmful During Pregnancy And Breastfeeding

Ingestion of aloe vera during pregnancy can have toxic effects on the embryo and fetus (4). Not much is known about its effects during breastfeeding. Stay safe and avoid use.

• May Cause Allergies

Intake of aloe vera may cause stomach upset, nausea, vomiting, and rashes in some individuals. If you notice any of these symptoms, please avoid use (55).

• May Cause Hypokalemia

Ingestion of aloe vera may cause potassium levels to go too low. This can lead to seizures and electrolyte abnormalities (55). These effects can be more pronounced during chemotherapy. The mechanism behind this is not yet well understood.

• May Cause Liver Inflammation

There have been cases of aloe use causing liver inflammation (55). If you have liver issues, please avoid aloe preparations and consult with your doctor.

• Possible Drug Interactions

Aloe vera may interact with thiazide diuretics and corticosteroids (4). Avoid intake of aloe if you are taking these drugs. Consult with your doctor for more information.

Talking about dosage, you can use aloe vera liberally for treating skin and hair conditions.

For constipation, some evidence suggests taking ¼ grams of dried aloe vera juice. You can use 5 ml to 15 ml of the juice a day to aid diabetes treatment. But this evidence is only anecdotal. Please talk to your doctor for the proper values.

Conclusion

There are hundreds of studies on aloe vera. We have covered a few of them in this article. But aren’t they enough to tell you how aloe vera can be a magnificent addition to your everyday routine?

Just be careful about the contraindications. Read and reread them. Apart from them, you can use aloe vera with no apprehensions – and reap its fullest benefits.

Do you already use aloe vera? How did you find it? Share your thoughts by leaving a comment in the box below.

Expert’s Answers For Readers’ Questions

How much sugar does aloe vera juice contain?

A 4-ounce serving of aloe vera juice contains almost no sugar. Unlike most other juices, aloe juice could be a healthier option if you are looking to consume less sugar.

How to store aloe vera?

You can refrigerate the leaves by wrapping them neatly in a plastic wrap. You can also store the gel in an airtight container and refrigerate it.Yes, you can freeze aloe vera.

Can you take aloe vera on an empty stomach?

Yes, ideally, it must be taken on an empty stomach. Mixing 20 ml of the juice with a glass of water is a good way to go about it.

How long does aloe vera take to work?

There is very less information on this. But as per some reviews, you may notice changes within 2 to 3 weeks.

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