Cryptocarya agathophylla

Among the Mapuche of southern Chile, dried young leaves are infused in hot water as a mild tea to soothe coughs and bronchitis (Muñoz and Barrera, 1979; Carlos Reiche’s 1899 pharmacopoeia). In nearby mestizo communities of central Chile, bark and young twigs are simmered to make a decoction taken for fevers and “resfriados” (colds) (Mora-Poblete et al., 2002; Reiche, 1899). In early colonial southern records from Chile, a local “peumo” (today identified as Cryptocarya agathophylla) is noted as a respiratory and digestive remedy, typically prepared as infusions or decoctions (Frezier, 1712; Sobrón de Ribadeneyra, 1739). The same plant is harvested for culinary use in Mapuche markets and local herb stalls, where it is sold to make a fragrant, lightly medicinal herbal infusion; the common name in contemporary ethnobotanical surveys is “peumo” (Filippi, 1999).

As a practical example, a mild peumo infusion is made with about 1–2 grams of dried young leaves per cup of water (roughly 250 mL). Boil the water, let it cool for one minute to avoid over-extracting bitter constituents, then pour it over the leaves and steep, covered, for 8–10 minutes. Strain and sip one cup up to twice daily for cough relief or mild cold symptoms. The decoction for fever is prepared by simmering 5–7 grams of chopped bark and young twigs in 500 mL of water for 15–20 minutes; take 150–200 mL two to three times per day. While generally well tolerated in the indicated doses, avoid during pregnancy and lactation and limit use to short courses; discontinue if stomach upset or rash occurs.

The plant’s traditional effects align with its phytochemical profile for Cryptocarya agathophylla: leaves, bark and wood are rich in hydrolyzable and condensed tannins, with alkaloids present and an essential oil fraction containing eucalyptol (1,8-cineole), linalool and α‑pinene (Murray et al., 1988). These constituents support astringent, mildly antiseptic and aromatic properties relevant to coughs and colds.

While the species is not a major commercial product today, modern work on Cryptocarya agathophylla in Chile shows promising in vitro antioxidant and antibacterial activity, complementing its long-standing use in teas and decoctions (Salazar-González et al., 2008). Dried leaves and bark are still sold by herbal sellers in local markets for these traditional preparations.

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