Kharjura

Names and identification

Language	Name
English	Kharjura
Latin/Botanical	Phoenix dactylifera L.

Key Phytochemical Constituents

• Beta-D-glucan
• Phenolic acids (ferulic, caffeic, p-coumaric)
• Flavonoids (apigenin, luteolin, quercetin)
• Carotenoids (beta-carotene, lutein)
• Tannins (proanthocyanidins)
• Sterols (beta-sitosterol, stigmasterol)
• Selenium
• Potassium
• Dietary fiber
• Saponins

How does it work?

• Antioxidant activity via polyphenol-mediated (proanthocyanidins, flavonoids) free radical scavenging and Nrf2 pathway activation
• Hepatoprotective effects through phenolic acid-mediated reduction of liver enzyme levels (ALT, AST) and attenuation of oxidative stress
• Anti-inflammatory action via flavonoid-mediated (apigenin, luteolin) inhibition of NF-kB signaling and COX-2 expression
• Neuroprotective effects through antioxidant protection against neuronal oxidative damage and modulation of acetylcholinesterase activity

Which traditional uses are supported by research?

• Aphrodisiac and fertility enhancement (Vajikara) validated through spermatogenic studies with date palm pollen in animal models
• Expectorant and antitussive use validated through demulcent and bronchodilatory effects in preclinical models
• Nutritive tonic (Balya) use supported by rich mineral, vitamin and caloric profile documentation
• Laxative use validated through high dietary fiber content and bulk-forming mechanism studies

What do recent clinical trials show?

• Qadir A, Shakeel F, Ali A and others 2020. Phytotherapeutic potential and pharmaceutical impact of Phoenix dactylifera (date palm): current research and future prospects. Journal of food science and technology. PMID 32180616 · doi:10.1007/s13197-019-04096-8
  Comprehensive review confirmed analgesic, anti-inflammatory, hepatoprotective, anticancer, antioxidant, anti-proliferative, antifungal and antibacterial activities with identification of key polyphenolic and saponin fractions.
• Mahomoodally MF, Khadaroo SK, Hosenally M and others 2024. Nutritional, medicinal and functional properties of different parts of the date palm and its fruit (Phoenix dactylifera L.) - A systematic review. Critical reviews in food science and nutrition. PMID 37070182 · doi:10.1080/10408398.2023.2191285
  Date palm pollen extract demonstrated significant fertility-enhancing effects in male rats with increased sperm count, motility and testosterone levels, validating traditional aphrodisiac use.

1 further claim previously listed here could not be traced to a published paper and has been removed. An absence here means we could not identify the source, not that no work exists.

Recent safety updates

• Dates are a widely consumed food with an excellent safety profile; high sugar content warrants moderation in diabetic patients
• Date seed extracts and pollen have shown no significant toxicity in preclinical studies; however, high caloric density should be considered in metabolic conditions

Dosage forms and preparation

Dosage Forms: Fruit powder (Churna), Avaleha (confection/paste), Swarasa (juice/syrup), Paka (jam), Capsule, Energy bar formulations

Standard Dosage: 2-4 fruits daily (10-20 g); 10-20 g Avaleha; 20-30 mL date syrup; 3-5 g powder with milk

Bioavailability: Natural sugars (glucose, fructose, sucrose — 60-80% dry weight) are rapidly absorbed. Phenolic acids and flavonoids show moderate bioavailability. Iron and potassium are well-absorbed, especially when consumed with vitamin C-rich foods. Fiber content (6-8%) moderates glycemic response despite high sugar content (GI ~42-55 depending on variety). Tannin-mineral interaction may reduce mineral bioavailability; soaking/processing reduces tannins.

Optimal Timing: Morning with milk for nutritive and energy purposes; before or between meals as healthy snack; Avaleha after meals for digestive benefit

Standardized Extract: Date extract standardized to minimum 70% total sugars, 2% dietary fiber, and 1% total phenolics (as gallic acid equivalents); date seed extract to minimum 5% total polyphenols

Shelf Life: 12 months for whole dried dates; 18 months for date powder; 24 months for date syrup; 24 months for capsules; 6 months for Avaleha

Storage: Whole dates at 15-25°C in airtight containers or vacuum-packed. Refrigeration (4-8°C) extends shelf life to 24 months. Date syrup in glass jars at room temperature. Powder in moisture-proof containers (hygroscopic nature).

Marker Compounds: Gallic acid, Protocatechuic acid, Caffeic acid, Ferulic acid, Rutin, Quercetin, Apigenin, Luteolin, Beta-D-glucan

Extraction Methods

• Mechanical pitting and pulping
• Hot water extraction for date syrup
• Hydroalcoholic extraction (50% ethanol) for polyphenol-rich fraction
• Enzymatic treatment (pectinase, cellulase) for juice clarification
• Spray drying for instant date powder

Synergistic Combinations

• Ashwagandha for strength-building (Balya) formulations
• Milk (Dugdha) as traditional Anupana for nutritive combination
• Ghrita (Ghee) for Vata-pacifying nutritive preparation
• Shatavari for lactation support
• Amalaki for iron absorption enhancement