Natural Herb Library

Stir-Fried Malt

Chinese
炒麦芽
Pinyin
Chao Mai Ya
Latin
Fructus Hordei Germinatus Praeparata
Botanical illustration of Prepared Germinated Barley, Hordeum vulgare, showing processed malted barley grains and diagnostic source details.
Botanical plate by Kodi .

Known in TCM as Chao Mai Ya (炒麦芽), this sweet, slightly warm herb enters the Spleen, Stomach, and Liver. Traditionally, it promotes digestion and reduces food stagnation ... Chao Mai Ya is especially used for retained grains, starches, milk stagnation, bloating, sourness, and poor appetite when the middle burner needs a warmer digestive nudge than raw Mai Ya, most often applied for indigestion, poor appetite, and abdominal distension. Modern research has identified Hordenine among its active constituents.

Part used: Fruit

Also Known As

Prepared Germinated Barley Processed Malt Sprout Hordei

Latin: Fructus Hordei Germinatus Praeparata | Pinyin: Chao Mai Ya | Chinese: 炒麦芽

TCM Properties

Taste
sweet
Temperature
slightly warm
Channels
Spleen, Stomach, Liver

Traditional Use

Primary Actions

  • Promotes digestion and reduces food stagnation ... Chao Mai Ya is especially used for retained grains, starches, milk stagnation, bloating, sourness, and poor appetite when the middle burner needs a warmer digestive nudge than raw Mai Ya.
  • Harmonizes the middle and restores appetite ... stir-frying strengthens the herb's food-reducing direction for post-meal fullness and sluggish transformation.
  • Retains a milder Liver-Qi-smoothing role ... useful when distention and food retention overlap, though less centered on lactation control than the raw sprout.

Secondary Actions

  • Compared with raw Mai Ya, the stir-fried form is a little warmer, more digestion-focused, and less defined by the lactation-suppressing reputation of larger raw doses.
  • Compared with Jiao Mai Ya, this page stays lighter and less scorched ... it helps digest food stagnation without the same strong charred-hemostatic or bowel-stabilizing emphasis.

Classic Formulas

  • Bao He Wan modifications (保和丸加炒麦芽) ... common choice when starch-heavy food retention and poor appetite dominate.
  • Jian Pi Wan and middle-burner digestive formulas ... later practice uses Chao Mai Ya when weak transformation and lingering food accumulation occur together.
  • Jiao San Xian comparison logic ... Chao Mai Ya stands between the gentler raw herb and the darker stronger charred digestant.

Classical References

  • Traditional herbology describes Mai Ya as sweet and neutral, while processing by stir-frying shifts it toward a somewhat warmer and more digestion-directed middle position.
  • Processing identity matters clinically ... raw, stir-fried, and charred malt do not have identical emphasis even though they come from the same germinated barley source.
  • PREPARATION NOTE: this page is for Chao Mai Ya and should not collapse into either plain Mai Ya or the already-live Jiao Mai Ya page.

Modern Research

Active Compounds

  • Hordenine ... the best-known barley-sprout alkaloid linked to prolactin regulation
  • Hordatines ... barley-specific phenolamides prominent in seedling metabolomics
  • Amylase and other digestive-enzyme fractions ... central to the traditional food-reducing rationale
  • Phenolic acids and flavonoids ... supportive antioxidant constituents in germinated barley

Studied Effects

  • A 2014 study found that water extract of Fructus Hordei Germinatus showed antihyperprolactinemia activity via dopamine D2-receptor signaling, giving a modern explanation for the Mai Ya family's classical lactation effects (PMID 25254056).
  • A 2020 study reported that Maillard reaction products from stir-fried Hordei Fructus Germinatus were important to efficacy in functional dyspepsia, directly supporting the relevance of the Chao Mai Ya processed form (PMID 31971858).
  • A 2022 metabolomics study showed that hordatines and associated precursors dominate barley seedling metabolite profiles, reinforcing that germinated barley is chemically distinct from ordinary grain (PMID 35448497).

PubMed References

Safety & Interactions

Contraindications

  • Pregnancy
  • Breastfeeding when continued milk supply is desired
  • Spleen and Stomach deficiency without actual food retention

Cautions

  • Chao Mai Ya remains pharmacologically active and should not be treated as ordinary dietary barley.
  • Lactation suppression is less central here than on the raw Mai Ya page, but excessive use can still work against milk production.
  • Overuse can dry or weaken already deficient digestion when real food stagnation is absent.

Conditions

Frequently Asked Questions

What is Stir-Fried Malt used for?

Stir-Fried Malt is traditionally used to Promotes digestion and reduces food stagnation ... Chao Mai Ya is especially used for retained grains, starches, milk stagnation, bloating, sourness, and poor appetite when the middle burner needs a warmer digestive nudge than raw Mai Ya., Harmonizes the middle and restores appetite ... stir-frying strengthens the herb's food-reducing direction for post-meal fullness and sluggish transformation., Retains a milder Liver-Qi-smoothing role ... useful when distention and food retention overlap, though less centered on lactation control than the raw sprout.. Research has investigated its effects on: A 2014 study found that water extract of Fructus Hordei Germinatus showed antihyperprolactinemia activity via dopamine D2-receptor signaling, giving a modern explanation for the Mai Ya family's classical lactation effects (PMID 25254056).; A 2020 study reported that Maillard reaction products from stir-fried Hordei Fructus Germinatus were important to efficacy in functional dyspepsia, directly supporting the relevance of the Chao Mai Ya processed form (PMID 31971858)..

What are other names for Stir-Fried Malt?

Stir-Fried Malt is also known as Prepared Germinated Barley, Processed Malt Sprout, Hordei. In TCM: 炒麦芽 (Chao Mai Ya); Fructus Hordei Germinatus Praeparata.

Is Stir-Fried Malt safe during pregnancy?

Stir-Fried Malt is not recommended during pregnancy.

What are the contraindications for Stir-Fried Malt?

Stir-Fried Malt should not be used in: Pregnancy; Breastfeeding when continued milk supply is desired; Spleen and Stomach deficiency without actual food retention. Consult a qualified practitioner before use.