Table 2.

Ethnomedicinal uses, mode of preparation, and prescription of walnut

S. no.	Part used	Ethnomedicinal uses	Methods of preparation	Prescription
1	Leaves	Mosquito repellant	Leaves are directly used	The leaves are kept fresh within the homes
		Itching and acne	600 g fresh and tender leaves in 5 L of water are boiled for 1 h	This water washes the damaged body parts
		Lice killer	Fresh leaves are boiled in 5 L of water for 1 h	The hairs are washed with water
			10 g of fresh leaves are boiled in 1 L of water for 1and half hour	4 teaspoons full of mixture is given twice a day
		Frost bite	200 g of fresh leaves are boiled in 2 L of water and then completely Shaked	The combination was used to wash the damaged regions of the body
		Against rheumatic pain	Thick paste of freshly crushed leaves is used	Paste is applied on swollen joints
2	Kernel	Brain tonic	5 g of fruit kernels are boiled in half liters of milk for 10 min and little honey or sugar is also added	Early in the morning, the mixture is given orally
		Aphrodisiac	Kernels of fruit 30 g and poppy seeds 5 g are boiled with salt tea 500 mL for 10–20 min	The tea is taken twice a day
		Constipation	5 g of fruit kernel are boiled in 300 mL milk for 10 min and some sugar is added to the mixture	The tea is consumed twice daily
		Dandruffs	Oil is extracted from kernels	The oil can be applied twice a day to the hairs
		Rheumatism Muscular pain	Oil of kernel is little warmed Oil extracted from kernels	The warm oil is applied twice a day The oil is rubbed into sore limbs in particular
		Improve eye sight	5–10 g of fruit kernels are boiled in 300 mL of fresh milk	At bedtime, the combination is administered orally
		Against cold	5 g of fruit kernels is added mixed to cinnamon and liquorice 5 g each. The mixture is completely boiled in water and prepared in the form of tea	Tea is consumed orally two to three times each day
		Memory booster	The fruit kernel 5 g is boiled in mixture of milk, cream and sugar	The combination is consumed first thing in the morning
		Anti-diabetic	Fruits kernels (40 g) and few poppy seeds (5 g) are boiled with salt and tea (half liters) for 10–20 min	The tea is consumed twice daily
3	Roots	Hair fall	The tender roots are kept in bottles containing sufficient mustard oil under soil for 2–3 months	Once a day, the oil is massaged into the hair
4	Root bark, leaves and twigs	Tooth ache and tooth decay	Fresh roots, bark twigs are cut into tiny pieces and dried	Early in the morning, the little bits are chewed and used as a brush
5	Root bark, leaves	Antiseptic	The root, bark and leaves are grounded rigorously and transform into thick paste	Skin wounds are treated with a thick paste that acts as an antibacterial
6	Fruit cover (raw)	To heal the wounds	The fruit epicarp is completely crushed and some quantity mustard oil has been added in it	The paste combination that was placed to the wounds on the skin

Source Hassan et al. (2013), Gupta et al. (2019)