However, they can also be used to make jams. Much of it is lost in the juicing process, so unless you've got one of the best blenders on hand, you're better off sticking to a whole fruit. Grease a bundt pan with olive oil, making sure to get into all the little nooks and crannies. Clementines, also sometimes called Christmas oranges, are most commonly eaten fresh during the winter months. Orange juice without pulp contains much less fibre than juice without pulp, which in turn contains less fibre than an actual orange. Then there's the matter of fibre content, as a report from Harvard University (opens in new tab) found, an increased intake in fibre helps with weight loss. With a 250ml glass containing over twice the calories of a single orange, pasteurised orange juice is condensed, containing much more sugar than the fruit in which it comes from. However, don't start guzzling cartons of orange juice just yet: one big problem with orange juice's weight loss credentials is in its sugar content. It found pasteurised orange juice actually contained more of some beneficial chemicals, while also packing the same amount of vitamin C as whole oranges. Don’t call them mandarin oranges While both are from the genus Citrus, mandarins are a different species, just like broccoli and cabbageboth members of the genus Brassicaare different species. To find out, research published in the Journal of Agricultural Food Chemistry (opens in new tab) studied differently processed oranges and orange juices. (Image credit: Getty) Whole oranges vs orange juice: The facts

Clementine oranges