Wrongly, Rhubarb is often counted among the fruit species. contains active ingredients such as potassium which is said to be dehydrating. acids and also the intestinal friendly pectin are rumoured to have health-promoting effects as well. Dried fruit is a portable snack and it also can be used in recipes. Proper and successful drying produces safe food with good flavor, texture and color. Whenever you preserve foods, choose the best-quality fruits and vegetables. nectarines, papayas, peaches, pears, pineapples, plums and rhubarb. Beyond orange juice, your best fruit sources for calcium are dried fruits, with dried figs leading the way at mg per ½ cup. Did you know the avocado is a fruit, not a vegetable? So cross rhubarb off your "good source of calcium" list. My PTH was always in normal range, but my ionized calcium was.