Jiaogulan is a flowering vine in the Cucurbitaceae family, more commonly known as the gourd family, which makes it related to zucchini, pumpkin, cucumber and squash. Jiaogulan powder made from the dried leaf is added to cooked foods, smoothies, herbal tea blends and tonics. Topically, jiaogulan powder is incorporated into soaps, lotions and other cosmetic preparations.