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Pharmacist's First Experience in Making Natural Medicine: Calendula Salve
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Pharmacist’s First Experience in Making Natural Medicine: Calendula Salve

As I entered the American Botanical Council’s Case Mill Homestead, I thought I knew what I would be doing for my elective rotation. Gayle Engels, ABC’s education coordinator, had spoken to a group of University of Texas student pharmacists about the internship program available through ABC. I knew I would be doing research, compiling information for ABC’s herbal database, learning all I could about herbs and medicinal plants, and I was looking forward to being out in the gardens, a requirement for all interns. But I didn’t know I would be making medicine.

On my first day at ABC, Gayle said we would make calendula salve. I had no idea what calendula was or what it was used for, much less how to make a salve from it. So I looked up information on calendula.

Calendula (Calendula officinalis L., Asteraceae), or pot marigold, is a bushy, aromatic annual with yellow to orange flowers native to Mediterranean countries.1,2 The name comes from a Latin word for “first day of the month,” referring to when the flower blooms most months of the year (i.e., in Mediterranean countries).1 Calendula should not be confused with true marigolds, from the genus Tagetes.

Calendula flower is approved by the German Commission E as a nonprescription medicine in Germany and has been evaluated by the European Scientific Cooperative on Phytotherapy (ESCOP) for topical (external) application in several forms: infusion, fluid extract, tincture, and semi-solid preparation (e.g., ointment or salve).2,3 The Commission E approved calendula flower for poorly healing wounds and inflammation of the oral and pharyngeal mucosa.2 The ESCOP monograph lists therapeutic indications for minor inflammation of the skin and mucosa, and as an aid for healing minor wounds.3 The ESCOP monograph lists known sensitivity to plants in the Compositae (Asteraceae) family as a contraindication to the external use of calendula.3

Gayle had already made the oil infusion. We used the recipe below to make the salve. It reminded me of pharmaceutics compounding class, but without the sterile hood, gloves, gown, glasses, hat, and foot covers. Actually, it made me think of what it would be like to have compounded back before there were pharmaceutical companies. In a way, I was going back to my pharmacy roots.

A couple of tips for anyone who may try this recipe—be patient. It takes time, more than you might think, for the salve to cool down. Also, don’t worry about being too exact. If you’re off by a half ounce, the salve will still come out beautifully. Have fun. Why else would you be making your own calendula salve?

Calendula Salve Recipe

1 part mango butter (Mangifera indica L., Anacardiaceae)

1 part cocoa butter (Theobroma cacao L., Sterculiaceae)

2 parts unrefined shea (Vitellaria paradoxa CF Gaertn, Sapotaceae) butter

4 parts calendula infusion (1:1 ratio apricot kernel oil and calendula petals)

Place calendula flowers in clean glass jar. Cover with apricot kernel and/or olive oil. Cover jar with plastic wrap before putting lid on. Store in cool, dark place for 6 weeks, shaking jar every few days. Strain oil through cheese cloth. The quantity of oil determines how much added butters are needed. For example, 8 oz. infused oil will need a combination of butters totaling 8 oz., and enough jars to accommodate 16 oz. of product. (Shea butter is the least expensive; cocoa butter smells the best.)

Heat calendula infusion and mango butter over low heat to 120º F. Add cocoa butter and slowly heat to 170º. Remove from heat and cool to 120º. Add shea butter and heat again to 170º. Ladle mixture into clean jars, wipe rims of jars as needed, and allow it to cool.

Add label with ingredients and date prepared. Store in cool, dark place. It should last 6-12 months if not contaminated by dirty hands. Can be stored in the refrigerator.

—Joyce Juan, PharmD Candidate for May 2006

References

1. Bown D. The Herb Society of America New Encyclopedia of Herbs and Their Uses. London: Dorling Kindersley Ltd; 2001.

2. Blumenthal M, Goldberg A, Brinckmann J, eds. Herbal Medicine: Expanded Commission E Monographs. Austin, TX: American Botanical Council; Newton, MA: Integrative Medicine Communications; 2000.

3. European Scientific Cooperative on Phytotherapy. ESCOP Monographs. 2nd ed. New York: Thieme; 2003.