| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Abelmoschus esculentus | Fruit | -- | 600.0 | Wealth of India. | |
| Acacia senegal | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Acacia nilotica | Fruit | -- | -- | * | |
| Achyranthes aspera | Plant | -- | -- | * | |
| Agave americana | Plant | -- | -- | * | |
| Ailanthus altissima | Plant | -- | -- | * | |
| Akebia quinata | Stem | -- | -- | * | |
| Allium cepa | Bulb | -- | -- | Sinha, A. 1959. Chemical Examination of Allium cepa. I. Glycosidic and Sugar Fractions. Indian J. Appl. Chem., 22: 89-91. | |
| Allium sativum var. sativum | Bulb | -- | -- | Wealth of India. | |
| Aloe vera | Leaf | -- | -- | Waller, G. R., Mangiafico, S., Ritchey, C. R. 1978. A Chemical Investigation of Aloe barbadensis. Proc. Okla. Acad. Sci. 58: 69-. | |
| Aloe vera | Plant | -- | -- | * | |
| Ammi visnaga | Plant | -- | -- | * | |
| Anacardium occidentale | Resin, Exudate, Sap | -- | -- | * | |
| Anogeissus latifolia | Plant | -- | -- | * | |
| Artemisia dracunculus | Leaf | -- | -- | * | |
| Asclepias syriaca | Seed | -- | -- | * | |
| Asparagus officinalis | Shoot | -- | -- | * | |
| Balanites aegyptiacus | Seed | -- | -- | * | |
| Balanites aegyptiacus | Fruit | -- | -- | * | |
| Boswellia serrata | Resin, Exudate, Sap | -- | -- | Sabinsa: A series of well documented proprietary PR booklets, e.g.Sabinsa Corps. 1998. Bronchial Asthma - Its etiology and control with traditional herbal extracts. Sabinsa Corporation. Piscataway, NJ. 49 pp. |