Rau Ram Sensory Map

    Rau Ram image

    Rau Ram

    Persicaria odorata

    Sensory Profile

    Tastes

    Basic flavor profiles

    2.3
    Low
    Intensity Level2.3/10
    Characteristics (3)
    bitter(4)
    sour(2)
    umami(1)

    Aromas

    Scent characteristics

    6.0
    Medium
    Intensity Level6.0/10
    Characteristics (5)
    herbaceous(8)
    citrus(7)
    leafy(6)
    resinous(5)
    waxy(4)

    Stimuli

    Sensory sensations

    5.7
    Medium
    Intensity Level5.7/10
    Characteristics (3)
    pungent(8)
    tingling(5)
    warming(4)

    Textures

    Physical properties

    4.3
    Medium
    Intensity Level4.3/10
    Characteristics (3)
    firm(6)
    crisp(4)
    fibrous(3)
    About Rau Ram

    Rau Ram (Persicaria odorata), commonly known as Vietnamese coriander, is a perennial herb distinguished by its lance-shaped, emerald leaves often marked with a dark, crescent-shaped basal blotch. Its sensory profile is defined by a complex, pungent bouquet of bright citrus and coriander-like notes, underpinned by a sharp, peppery finish and a lingering, slightly numbing heat on the palate. In traditional Southeast Asian cuisine, particularly in Vietnam and Cambodia, it is the essential accompaniment to *Hột vịt lộn* (balut) and *Gỏi gà* (shredded chicken salad); its high concentration of aldehydes—specifically decanal and dodecanal—cuts through the rich, gamey fats of the duck embryo and the fibrous proteins of the chicken, acting as a digestive stimulant and a bright aromatic counterpoint. Unlike true cilantro, Rau Ram possesses a robust, slightly waxy texture that allows it to withstand the residual heat of soups like *Bún thang* without immediately wilting or losing its volatile oils. The herb is chemically unique for its high content of alpha-humulene and beta-caryophyllene, sesquiterpenes that provide its characteristic musky, resinous undertones, making it an irreplaceable component in the flavor architecture of the Mekong Delta.

    Associated health effects(10)
    • Antioxidant
    • Cell Toxicity
    • Genotoxicity
    • Culinary Herb Micronutrient Contribution
    • Gastrointestinal Discomfort
    • Culinary Herb Polyphenol Contribution
    • Digestive Aid
    • Anti-inflammatory
    • Reproductive Warnings
    • Carminative
    Nutrition per 100 g(4)
    • Energy: 24 kcal
    • Protein: 2 g
    • Fat: 0.6 g
    • Fiber: 2 g