Brassica Nigra Herb vs Fortunella japonica

Side-by-side comparison of medicinal herbs

Herb

Brassica Nigra Herb

Brassica nigra

Respiratory

Citrus japonica

Respiratory

Brassica Nigra Herb

❌ Not recommended in pregnancy

❌ Not recommended while nursing

Fortunella japonica

✅ Generally safe in pregnancy

✅ Generally safe while nursing

Description

Pungent black mustard used across world cultures for respiratory poultices, digestive stimulation, and circulatory conditions.

Small ornamental citrus eaten whole; peel sweet, flesh tart; used in Chinese folk medicine for cough and digestion.

Active Compounds

sinigrin, allyl isothiocyanate, sinapine, erucic acid

vitamin C, flavonoids, beta-carotene, limonoids, hesperidin

Traditional Uses

mustard poultice for chest congestion in European medicine, digestive stimulant spice, circulatory stimulant plaster

cough, digestive complaints, immune support, hangover relief

Modern Uses

topical circulatory stimulant, expectorant, digestive stimulant

expectorant, digestive tonic, antioxidant food

Adult Dosage

Topical poultice 10-15 min; seed as spice freely

3-5 fruits daily; peel tea 5g 2x/day

Contraindications

skin ulcers, sensitive skin, extended topical application - blistering, kidney disease

citrus allergy

Side Effects

skin blistering from prolonged contact, GI irritation from excess seed

GI upset with excess

Drug Interactions

0 known interactions

Reviewed by: HerbAlly Editorial Team, Medical herbalists and healthcare professionals

Sources: WHO Monographs · NCCIH · PubMed · Commission E