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<div dir="ltr" data-setdir="false">Steve, 5 grams is a very small amount on a scale. Bouyancy can make low-density items weigh lighter than they really are on a scale. But they do not usually wiegh heavier. And they do not lose weight as they are dissolved in liquids with which they have not chemically reacted. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">But if the weight decrease is real, there may be a chemical reaction between the almond milk and the fiber in the supplement. In other words, the almond milk may contain something which digests the fiber. I doubt this however. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Google and DuckDuckGo do not know anything about adding fiber to almond milk. Apparently this is not a thing to them. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Soluble fiber is a polysaccharide, which is related to sugars. There is a change in sugars when they are mixed with almond milk. (Or even plain water.) This is both physical and chemical.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Air does not weigh enough to be the culprit here. I don't see any evidence in what little I could find on the subject to indicate that the fiber is digested by the almond milk, if that's what you're worried about. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">A volume change would be expected, perhaps beyond the combined original volumes, due to changes in the physical arrangements of the water and fiber molecules. But a dramatic weight change would not be expected. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I'll have to defer to more experienced chemists for any ideas about whether a particular type of fiber would be digested by almond milk. My hunch is that this is not what's going on here. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">-- Bob Primak</div><div dir="ltr" data-setdir="false"><br></div>
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On Sunday, February 12, 2023 at 06:41:25 PM EST, Steve Isenberg <smisenberg@gmail.com> wrote:
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<div><div id="yiv3955412793"><div dir="ltr"><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">Gentlepeople, especially any chemistry or physics experts:</span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;"><br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">When I add 5 grams powdered fiber to almond milk, the added weight starts dropping immediately from 5 grams.<br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;"><br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">Materials are powdered fiber supplement (Optifiber from Costco, wheat dextrin) and unsweetened almond milk (also from Costco).</span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;"><br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">Procedure. I take a small shot glass container and put it on the scale, and zero the scale. Add 5 grams of powdered fiber to the glass container, and it stays at 5g. I set the glass container aside.<br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">Then I take a container of about 8 oz of cold almond milk and put it on the scale, zero the scale, and add the 5g powder into the almond milk. I don't stir.<br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">At first the scale reads 5g, then immediately starts to drop in weight, to 4.5, 4.0, 3.8, etc within the first minute.</span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;"><br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">Does anyone know what's happening, why is the weight dropping?<br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;"><br></span></div><div style="font-size:small;color:rgb(11,83,148);" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">This is not a joke, I am asking a serious question. I can do this live over zoom sometime, and in person. Any thoughts?</span></div><div style="font-family:trebuchet ms, sans-serif;font-size:small;color:#0b5394;" class="yiv3955412793gmail_default"><span style="font-family:comic sans ms, sans-serif;">-steve</span><br></div><br></div>
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