Which rhizome is used for anti-nausea, anti-inflammatory, and digestive stimulant actions?

• A. Viburnum prunifolium
• B. Theobroma cacao
• C. Zingiber officinale
• D. Vitex agnus-castus

Answer: (C)

Zingiber officinale, the ginger rhizome, fits this combination best. Ginger’s active compounds, gingerols and shogaols, give antiemetic effects by acting on the gut and central pathways involved in nausea, making it a classic remedy for motion sickness, postoperative nausea, and other forms of nausea. These same constituents contribute anti-inflammatory activity by inhibiting enzymes in the prostaglandin and leukotriene pathways, helping reduce inflammatory responses. Ginger also stimulates digestion by promoting gastric motility and secretion, which can ease dyspepsia, bloating, and sluggish digestion. The other options are not rhizomes with this trio of actions: Viburnum prunifolium is primarily used for cramps via bark extracts; Theobroma cacao is a seed, not a rhizome; Vitex agnus-castus is a fruit/seed used for hormonal balance rather than GI stimulation.