Muhammad Sunshine's thread here -
http://www.rawpaleodietforum.com/general-discussion/fantastic-health-benefits-of-butyrate-6649 - encouraged me to question the dismissals by LC advocates like Dr. Eades of reported benefits from resistant starch.
One interesting article I came across in searching the topic was this one from Prof. Stephan Guyenet -
http://wholehealthsource.blogspot.com/2009/12/butyric-acid-ancient-controller-of.html - which contains an explanation for why certain plant foods might be superior to butter as sources of buytrate (via inulin, resistant starch, etc.) .
Recent posts on resistant starch at the Free the Animal blog (warning: explicit language and flame wars, though the resistant starch posts and comments thankfully are relatively free of that, IIRC) and Mark's Daily Apple forum have further encouraged my experimentation.
I've tried various sources of inulin and resistant starch over the years. Here's a brief summary of results up to now:
> inulin-rich foods (garlic, shallots, turnips, leeks, onions, jicama, asparagus, dandelion root, burdock root, artichokes, ...): no noticeable benefits; some difficult to digest; garlic, shallots, leeks and turnips were the best I tried for both digestion and flavor and I still consume some
> chewable inulin tablets like Fiberchoice (I think the Fiberchoice tablets were the standard original version--whatever seemed least adulterated--though it's been years since I used it): there seemed to be some improvement of constipation for 2 or 3 weeks, then little or no benefit; palatable taste
> fermented blenderized raw potatoes with yogurt and salt--the results tasted awful (it went into the trash)
> cooked potatoes (including cold mashed potatoes mixed with sheep's yogurt and allowed to supposedly ferment in the fridge and unmodified starch added to cold mashed potatoes with butter): give me the usual pyroluria-type symptoms I get from the other carb sources that I don't tolerate well, such as muscle tension, lower extremity edema and pain and flank and bladder pain in the morning
> bananas - ripe ones don't contain a lot of resistant starch; haven't experimented with dried or cooked green bananas (other than plantains, which are a type of banana); mild pyroluria-type symptoms, especially if not super-ripe
> Super-ripe (black) raw plantains: taste good and seem tolerable to my system, but I don't as yet notice any benefit from them (though my intakes have been small and intermittent, in part because they take weeks to blacken
> dried green plantains - my first batch is drying in the fridge
> unmodified potato starch (Bob's Red Mill; supposedly not high-heated): I've had a couple of intriguing drops of blood glucose to 79 mg/dl after consuming a tbsp or two, which is a rather low reading for me since I started eating LC; I also so far don't notice the negative symptoms that cooked potatoes give me