Juglans cinerea. J. cineraria   Butternut bark, White walnut, Lemon walnut, Oilnut  Family: Juglandaceae    
PART USED:
Inner bark.
TASTE: Bitter and slightly acrid. ODOR: Faint, rancid.
ACTIONS
GROUP: Cathartics- mild.
1. Laxative.[3] Gentle purgative.[1,4]
2. Cholagogue.[1,2,3] Hepatic.
3. Alterative. Antineoplastic.[4]
4. Dermatological agent.[1]
5. Tonic.[3]
6. Vermifuge.[3] Antiparasitic.[4]
7. Antihemorrhoidal.[3]
8. Antimicrobial.[4]
INDICATIONS
1. Constipation.[1] Hemorrhoids.- especially chronic constipation with dyspepsia. Worms.
2. Liver disorders.[1]
3. Skin eruptions associated with poor elimination. Exudative skin eruptions.[1]
4. Fevers.
SPECIFIC INDICATIONS: Chronic constipation assocated with dyspepsia.[1]
COMBINATIONS
PREPARATIONS: 3X/day
Dried bark  2-6 g,[1] or by decoction[1] 1:20. 0.3-0.5 g.[3]
Fluid Extract  1:1 in 25% alcohol  2-6 ml.[1,2] 2-4 ml.[3]
Solid extract 0.3-0.5 g.[3]

ORIGIN: Eastern United States and southeast Canada
DESCRIPTION: A tree. Bark; often 0.5-2 cm thick with a chequered appearance due to brown fibres alternating with the white medullary rays.
References
Inner Path can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Constituents
Naphthaquinones; juglone,[1,3] juglandin,[1,3] juglandic acid.[1,3]
Fixed oil.[1,4] Tannin[1,4] 2%. Volatile oil.[1,2,4]
References

Research
Juglone has antimicrobial, antineoplastic and antiparasitic activity. It is a gentle purgative.