Rosa roxburghii

In the Han Chinese community of Sichuan, the dried fruit of Rosa roxburghii is traditionally brewed as a mild infusion (tea) to ease occasional throat irritation and to support a gentle digestive feel. This preparation is described in the ethnobotanical survey of Wang et al., 2019, where informants noted using roughly one tablespoon of dried fruit per cup of water, steeping the mixture for about ten minutes before consumption.

The Yi people of Yunnan use the same plant part for a more concentrated preparation: they simmer fresh fruit in water for twenty‑thirty minutes to create a decoction taken twice daily for seasonal colds and mild fevers. This practice is recorded by Li and Zhou, 2020, who documented the Yi’s reliance on the fruit’s vitamin‑C content to “cool the blood” during respiratory infections.

Among the Dai community of Xishuangbanna, local healers macerate fresh Rosa roxburghii fruit in locally produced rice wine for three to four weeks, straining the liquid to obtain a traditional tincture. This tincture is taken in small doses to help restore energy after long work in the fields. The preparation is noted in the ethnomedical documentation of Bennett, Cheng and Brown, 2021, which describes the long‑standing use of the fruit’s antioxidant compounds in this external‑type infusion.

**Practical recipe – mild tea**
- Measure 10 g (approximately 1 Tbsp) of dried Rosa roxburghii fruit.
- Bring 200 ml of fresh water to a boil, then pour the water over the fruit.
- Cover and steep for 10–12 minutes.
- Strain and, if desired, add a small amount of honey.
**Safety note:** The fruit is generally recognized as safe, but the tea’s high vitamin‑C level may cause stomach upset when consumed in excess. Pregnant women are advised to limit intake to no more than two cups per day, and those on anticoagulant therapy should consult a health professional before regular use.

The therapeutic activity of Rosa roxburghii is linked to well‑documented phytochemicals: high levels of ascorbic acid (vitamin C) reported by Shi et al., 2017; flavonoids such as quercetin and rutin identified by Zhang et al., 2015; phenolic acids like gallic and caffeic acid characterized by Li et al., 2019; and anthocyanins—particularly cyanidin‑3‑O‑glucoside—detected by Wang et al., 2016. These compounds provide antioxidant and anti‑inflammatory properties that plausibly underlie the traditional uses described above.

Modern relevance: ongoing laboratory studies have confirmed the antioxidant, anti‑inflammatory and immunomodulatory effects of the fruit, and standardized Rosa roxburghii fruit tea and tincture extracts are now sold as functional beverages and dietary supplements in China and increasingly abroad.

Food and beverages (non-medicinal):
The mature aggregate hips of Rosa roxburghii are used as a food ingredient in beverages and preserves. Fruit pulp is processed into juice, wine, and vinegar, and into jam or jelly. The pulp is also concentrated or dried for use in confectionery and fruit preparations; the resulting material is described as acidic and aromatic. Seed oil is extracted from the seeds and reported as edible, with standard compositional values not specifically documented.

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