Citrus fruits are a great natural pectin source for home canning, and many “no added pectin” recipes actually add natural citrus pectin in the form of lemon juice. While citrus juice has a good bit of pectin, citrus seeds contain even more natural pectin that’s perfect for making homemade jam without store-bought pectin.
I love the idea of making homemade jams and jellies without having to buy storebought pectin. We sweeten our preserves with home-harvested honey or our own homemade maple syrup and learning to make my own natural pectin has been on my canning bucket list for a while now.
I’ve seen plenty of recipes for extracting pectin from apples, basically making super concentrated apple jelly. That apple jelly is then added a few cups at a time to other low pectin fruit preserves. It creates a good firm set, but it also adds a lot of apple flavor to the finished jam. Thus far, I’ve avoided it because I prefer the clean taste of storebought pectin since it doesn’t add any flavor what so ever.
I generally make low sugar jams, so my preferred store bought pectin is Pomona’s Universal Pectin which works wonderfully in low sugar and no sugar recipes. At some point, I looked up how it’s made and learned that it’s a natural citrus based pectin. That got me thinking…can I make my own natural citrus pectin?
I started doing a bit of research into natural pectins, and learned that citrus fruits are loaded with pectin. Adding lemon juice to “no pectin added” jams actually adds a significant amount of pectin, and while it’s added mostly to increase acidity which makes the jam taste better…it’s actually helping it gel at the same time.
While citrus juice naturally helps jams gel, citrus seeds can be used as a natural pectin replacement. You can actually see citrus seed pectin in action if you leave a few citrus seeds in a small amount of water overnight. In the morning, you’ll have a gel where the water once was. You can use this citrus seed water in canning recipes to help the jam gel, but adding a sachet of citrus seeds in cheesecloth is an even more effective method.
Tie a tablespoon or two of citrus seeds in a bit of cheesecloth and add it directly into the jam pot. As the fruit simmers, the natural citrus pectin will be extracted from the seeds into the jam.
An even better option is to combine the two techniques and place all the jam ingredients together a few hours (or up to 24 hours) ahead of time. If you’re making strawberry jam, for example, add the sugar to the strawberries and then toss a sachet of citrus seeds into the bottom of the bowl. The sugar will extract liquid from the strawberries, and then the citrus seeds will release pectin into this water. After that initial maceration period, place everything into the jam pot and start it simmering.
This is a great natural gelling agent for citrus jams obviously, and it’s what I used when making this kumquat jam.
Often though, jam making doesn’t directly involve a lot of citrus fruit. In that case, it’s best to save up citrus seeds in the freezer throughout the year. In the winter, we make a lot of limoncello (lemon liqueur) for summertime sipping, and I’m now saving the seeds from those lemons for use in my summer jams as well.
Anytime you use a lemon, orange or lime remember to save the seeds and you’ll have a good supply before you know it.
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