Crab Apple Flower Essence by Flower Essence Services

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Alzheimer disease. It is unclear if apple juice consumption is beneficial in patients with Alzheimer disease. Details: A small clinical study in adults with moderate to severe Alzheimer disease shows that drinking 4 ounces of apple juice twice daily for one month does not improve cognitive function when compared with baseline. However, according to caregiver assessment, it seems to improve aspects of mood and behavior, such as anxiety, depression, apathy, delusion, and agitation, when compared with baseline (94422). The validity of this finding is limited by the lack of a comparator group.
• Cancer. It is unclear if apple consumption is beneficial for preventing cancer. Details: Some population research has found that eating one or more apples daily may be associated with a decreased risk of esophageal, colorectal, larynx, or breast cancer when compared with eating less than 1 apple daily (31688). Also, a case-control study in adults with lung cancer has found that increased apple consumption may be associated with a reduced risk of lung cancer (3470).
• Dental plaque. It is unclear if apple consumption is beneficial for reducing dental plaque. Details: A small clinical study in healthy patients shows that eating an apple is less effective for reducing plaque than brushing teeth. Eating an apple actually increases plaque when compared with baseline, although it decreases the measure of bacterial vitality (99447).
• Diabetes. It is unclear if consumption of powdered, dehydrated apple is beneficial in patients with type 2 diabetes. Details: A small clinical study in patients with type 2 diabetes shows that substituting 26-52 grams of white wheat flour in bread with powdered, dehydrated apple and consuming the bread daily for up to 4 weeks does not improve fasting blood glucose or postprandial glucose levels when compared with a low-fiber white bread control (13141).
• Diarrhea. It is unclear if apple juice consumption is beneficial in infants with severe diarrhea. Details: A clinical study in infants with severe diarrhea shows that drinking apple juice 15 mL/kg twice daily during episodes of diarrhea results in more fecal loss when compared with drinking water (31687).
• Metabolic syndrome. Although there has been interest in using apple for metabolic syndrome, there is insufficient reliable information about the clinical effects of apple for this purpose.
• Muscle strength. Oral apple extract has only been evaluated in combination with other ingredients; its effects when used alone is unclear. Details: Small clinical studies in resistance trained males show that taking a specific blend of ancient peat and apple extract (elevATP, VDF FutureCeuticals Inc.) 150 mg daily as a liquid with liposomes (QuSomes, BioZone Laboratories Inc.) for 12 weeks modestly increases lower body and total strength, improves lower body power output, and increases cross-sectional area of muscle when compared with placebo (94418,94419).
• Obesity. It is unclear if apple consumption is beneficial in patients with overweight or obesity. Details: A small clinical study in females with hypercholesterolemia and overweight or obesity shows that eating apples three times daily for 12 weeks is associated with weight loss of 1.2 kg, compared with weight loss of 0.9 kg in those consuming oat cookies (17997). More evidence is needed to rate apple for these uses.

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LIKELY SAFE ...when used orally in food amounts. Eating apples and consuming apple juice is safe for most people. Apples are a common food source (3470,3472). However, eating apple seeds should be avoided because they can be toxic (6).

CHILDREN: LIKELY SAFE
when used orally in food amounts. Eating apples and consuming apple juice is safe for most people. Apples are a common food source (3470,3472).

CHILDREN: POSSIBLY SAFE
when apple pectin is used orally and appropriately, short-term. Preliminary clinical research suggests that combination products containing apple pectin and German chamomile (Diarrhoesan) are safe when used in infants for up to one week (19705,19706).

PREGNANCY AND LACTATION:
There is insufficient reliable information available about the safety of apple in amounts greater than those found in foods during pregnancy and lactation; avoid using.

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ALISKIREN (Tekturna, Rasilez) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Probable •  Level of Evidence = B Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of aliskiren.  Details Pharmacokinetic research shows that coadministration of apple juice 200 mL along with aliskiren 150 mg decreases the bioavailability of aliskiren by 63% (17670). Apple juice seems to inhibit organic anion transporting polypeptide (OATP), which is involved in drug uptake in the gut, liver, and kidney (7046,94413). It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction (17603,17604).

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, consuming apple juice with antidiabetes drugs might interfere with blood glucose control.  Details Clinical research suggests that consuming apples or drinking apple juice can raise blood glucose levels, with the effects of drinking apple juice being more significant than consuming apples (31699).

ANTIHYPERTENSIVE DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Mild •  Occurrence = Probable •  Level of Evidence = B Consuming apple juice with antihypertensive drugs might interfere with blood pressure control.  Details Some clinical evidence suggests that consuming apple and cherry juice can increase blood pressure in elderly patients (31680).

ATENOLOL (Tenormin) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Probable •  Level of Evidence = B Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of atenolol.  Details Pharmacokinetic research shows that coadministration of apple juice 600-1200 mL decreases levels of atenolol by 58% to 82% in a dose-dependent manner (17999). Apple juice seems to inhibit organic anion transporting polypeptide (OATP), which is involved in drug uptake in the gut, liver, and kidney (7046). It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction (17603,17604).

FEXOFENADINE (Allegra) Interaction Rating = Moderate Be cautious with this combination. Severity = Mild •  Occurrence = Likely •  Level of Evidence = B Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of fexofenadine.  Details Pharmacokinetic research shows that coadministration of apple juice 400-1200 mL along with fexofenadine 60-120 mg decreases bioavailability of fexofenadine by up to 78% (7046,94413). Coadministration with smaller quantities of apple juice (150 mL or less) does not appear to affect the bioavailability of fexofenadine (94421). Apple juice seems to inhibit organic anion transporting polypeptide (OATP), which is involved in drug uptake in the gut, liver, and kidney (7046,94413). It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction (17603,17604).

LITHIUM Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D There is some concern that concomitant consumption of apple juice might decrease oral absorption and blood levels of lithium.  Details In one case report, a patient had an undetectable serum lithium level when lithium citrate was administered with apple juice. When lithium was administered with an alternative beverage, the lithium level became detectable and the patient demonstrated clinical improvement (105342).

ORGANIC ANION-TRANSPORTING POLYPEPTIDE SUBSTRATES (OATP) Interaction Rating = Major Do not take this combination. Severity = Moderate •  Occurrence = Likely •  Level of Evidence = B Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of OATP substrates.  Details Research shows that consuming apple juice inhibits OATP, which reduces bioavailability of oral drugs that are substrates of OATP (7046,17605). Fexofenadine, atenolol, and aliskiren are substrates of OATP. Clinical research shows that coadministration of apple juice decreases bioavailability of fexofenadine by up to 78% (7046,94413), aliskiren by 63% (17670), and atenolol by up to 82% (17999). These effects appear to increase with larger quantities of apple juice. It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction (17603,17604).

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General ...Orally, apple fruit is well tolerated. Apple seeds, which contain cyanide, may cause serious adverse effects when consumed in large amounts.
Most Common Adverse Effects:
Orally: Bloating, flatulence.
Serious Adverse Effects (Rare):
Orally: Allergic reactions, including anaphylaxis. Ingestion of large amounts of apple seeds may cause cyanide poisoning, leading to death.

Gastrointestinal ...Orally, apple products, including whole apples, apple puree, and apple juice, may cause bloating and flatulence in some people (104184).

Immunologic ...Patients allergic to other fruits in the Rosaceae family, including apricot, almond, plum, peach, pear, and strawberry, can also be allergic to apples (7129). Rarely, the allergy has resulted in anaphylaxis (94425).

Other ...Orally, ingestion of large amounts of apple seeds, which contain hydrogen cyanide (HCN), may cause cyanide poisoning, leading to death. One death is attributed to ingestion of a cupful of apple seeds. To release cyanide, seeds must be hydrolyzed in the stomach, and several hours may elapse before poisoning symptoms occur (6).

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