ERD50
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That measure was per Liter, so 3 grams (3/4 tsp) per 750 mL bottle.
So next time I'm enjoying a dry red, I'll pour out 100 mL, and add 0.3 grams sugar, assuming a dry red is ~ 1 g/L, so add 3 to get to 4 (or 99.7 grams wine + 0.3 grams sugar to be precise).
Can I measure 0.3 grams? My gram scale has 0.1 g resolution. I cut a piece of paper ~ 4x6 and it was 1 gram. I cut it in thirds and read 0.3, 0.7, and 1.0 as I added them back. So pretty good. Or measure out 1.2 g and divide in half twice, the way I see those drug dealers do on TV?
It would be interesting if I can taste the difference.
-ERD50
Following up on my earlier post. As it turns out, DW planned a beef roast for tonight's dinner, and we enjoy a dry red wine with that. So I had an opportunity to try my "sugar dosing experiment", and more importantly, I actually did it! I should stress, I'm not all that educated in the world of wine. I like dry reds, or a Savingnon Blanc with salmon (the acidity seems a nice contrast to the fat). Don't drink sweet wines unless offered as a dessert wine. I'm much better in distinguishing qualities in beer (which I also home-brew).
The results were very surprising to me, I'd be curious to hear comments from poster Winemaker. Here's how it went.
I opened a bottle of my home-made wine, from Chilean Cabernet juice, Spring 2018 harvest (more details below if you care). This also had a medium toast oak strip added for 3 months prior to bottling. I ferment these dry, but don't do any residual sugar testing, but I assume they are quite dry.
I pulled 100 mL of this wine to a separate glass (after aerating the whole bottle), and added sugar at the rate of 3 mg/L (more details below if you care), to get closer to the 4 mg/L stated sugar content of the wine in the OP.
Before I compared wines, I added that amount to 100 mL of RO water. I could not detect any sweetness. I doubled the concentration, and then I felt I could detect it, barely. So I thought no way am I going to detect this with the fairly bold flavors of my Chilean Cab.
I almost went straight to the double concentration, but took it in steps. I was shocked. I could immediately taste the difference of the added 3gm/L in my wine. DW could tell it, and was a little miffed at me for "wasting" 100 mL of our wine for dinner. Now, this wasn't sweet like a dessert wine, and I could see how some people might just see that as "boosting" the flavors that are there (the way salt enhances food w/o changing the basic flavor?). But to me, it really did come across as sweeter than I want with a wine to go with roast beef. This is obviously all subjective (but I'm certain I could objectively pick out the sweetened wine in a blind tasting), but that sweetness is just not what I'm looking for. I was so surprised, that I repeated the water test, just to make sure I didn't mix up the dosing somehow. DW had the same feelings on both the dosed water (couldn't detect the sugar) and the dosed wine, but more extreme on the wine.
So my question to Winemaker (or other experienced wine tasters): Does the sugar interact with other components of the wine to make it more noticeable than it was with RO water? That is what both DW and I theorized.
OK, I've gone this far, so I guess I'll add - I don't get the defensive tone of some of the posts in this thread (or were some deleted?). If the OP likes a Bourbon-barrel-aged Cab, then he likes it, whether it costs $3, $10 or $100. It's all good.
I think what turned it a bit is the comparison to other reds. It's just different, if you like it you like it, but it's a bit silly to compare. I like some Bourbon-barrel-aged beers, but I don't compare them to their non-barrel aged cousins. They are just different, I enjoy each for what they are. Is that OK?
Added background info if you care: So for reference, I won't hold up my home made wine as any great shakes, but I have got positive comments from the wine makers in my beer club, and from some wine making club members. When we've tried them side-by-side with our typical $10~$12 bottles of wines, we've sometimes felt my home made was far superior to the commercial wine, and other times felt the commercial was better, more complex. So that's kind of a toss up. The Chilean Cab we enjoyed tonight was bulk aged for a year (with the oak strip added the last 3 months), and bottled about a year ago. It was fermented from juice that our wine club has shipped up from Chile in the Spring, (they bring in California juice in the fall). I didn't add any skins/stems, so however they pressed it is what I got. I add nutrient at the start and about 2/3rd of the way through initial fermentation, to help assure it ferments out dry.
For the dosing - to try to be more accurate, I dissolved a 10x weight of sugar with an equal amount of the sample wine (6 grams each), measured the volume, and dosed adjusting for the volume ratios with a 1 mL syringe, so I'm sure I got this pretty accurate.
-ERD50
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