Gummy Science: Creating Homemade Gummies
Hosted by: UT Austin American Association of Pharmaceutical Scientists & Pharmacy Graduate Students Association
Visit our Booth: Sunday, February 28, 2021, 12 p.m. - 4 p.m.
Recommended Grades: All
The Challenge: Create your own homemade gummies and explore gummy science. In this activity, participants learn how gelatin-based gummies are made in a few easy steps and the science behind medicated vitamin gummies.
Take a picture of "Your Own Gummy" and add it to Flipgrid.
Ingredients (the links are for recommended products, any other brands can be used for making the gummies)
- Jell-O (1 packet, 3 oz): Adds flavor, has gelatin in it for cross-linking. but not enough gelatin to make a chewy (https://www.amazon.com/Jell-Berry-Blue-Gelatin-Ounce/dp/B00K0PR4MM/ref=sr_1_2?dchild=1&keywords=jello+3oz&qid=1610594064&sr=8-2)
- Gelatin unflavoured (0.25 oz/ 1 envelope): Unflavored. Added to give the rigidity (https://www.amazon.com/Knox-Gelatine-Unflavored-Count-Ounce/dp/B00BCMU7T4/ref=sr_1_12_0o_fs?dchild=1&keywords=gelatin&qid=1610594134&sr=8-12)
- Corn syrup (1/4th cup): Adds sweetness to candy. Primarily acts as an interfering agent to prevent (https://www.amazon.com/Bakol-Light-Corn-Syrup-Multi-Purpose/dp/B08C9JT9BK/ref=sr_1_2?dchild=1&keywords=corn+syrup&qid=1610594256&sr=8-2)
- Water (1/3rd cup)
- Molds (any shape or size) (https://www.amazon.com/Gummy-Bear-Mold-Candy-Molds/dp/B07LGYSKM6/ref=sr_1_5?dchild=1&keywords=gummy+molds&qid=1610594392&sr=8-5)
- Oil spray (your choice of cooking spray)
These can be prepared on a stove or in a microwave. Check out the video in the Activity Video tab for more details.
- The corn syrup is a starch made up of a chain of glucose molecules that are smaller than the sucrose (sugar) molecules in the Jell-O mix we’re using.
- When heated, the string of corn syrup glucose molecules breaks apart and gets between the sucrose molecules, effectively interrupting the formation and growth of sugar crystals.
- Gelatin is a protein, which unravels and disperse when heated. Since they are long and stringy, they tend to become interwoven, causing the hot liquid (water plus corn syrup, in this case) to thicken. But when gelatin cools, the protein strands line up next to each other and twist into long ropes, transforming the liquid into a firm gel.
Now let's make some Gummies
- Add the corn syrup (1/4 cup) and water (1/3 cup), and stir gently with a soup spoon
- Combine 3-ounce of Jell-O (half a packet) and 1 pkg. unflavored gelatin, stir gently until all of the ingredients are blended together (string too fast may add air bubbles to the mixture)
- Let the mixture sit for 5 minutes so that the gelatin can bloom
- Give the molds a quick spritz with oil spray
- Pour carefully to fill up the mold entirely
Check out the Activity Video tab for a video with more instructions and an explanation of the science.
- The strength of the gummies changes with the amount of Gelatin, try it your self by preparing batches with different amounts of Gelatin (1/2 pkg., 1 pkg., and 2 pkg)
- In medicated gummies, there is an additional ingredient, the medicine which is distributed throughout the gummies, check out the video to see how.
Check out the video for more instructions and an explanation of the science.