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| Tea (rec.drink.tea) Discussion relating to tea, the world's second most consumed beverage (after water), made by infusing or boiling the leaves of the tea plant (C. sinensis or close relatives) in water. |
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Hello,
I have recently gotten back into tea after a several-year teabag hiatus (due to laziness). I was really irritated at how tinny my tea tasted from the tea ball, and I tried those do-it-yourself tea bags with loose leaf tea, but the space was simply too cramped (esp. if brewing more than one cup at a time). Anyway, I recently bought the Teeli infuser basket (medium size) and had been brewing cup-by-cup (6 oz teacup). Results: excellent. The problems began when I wanted to make tea for my girlfriend as well, i.e. 2 cups at a time. So I went out and bought a 2-cup teapot (although in reality it holds 16 oz, which is like 2 and 2/3 cups). The infuser almost fits into it, though to push it all the way in requires some flex of the plastic frame. In a way, that is excellent in its own right because it produces a fairly tight seal to keep the heat in while brewing -- and I use the Teeli infusers little black lid during the brewing process. Now, the problem is this: if I actually use 2 and 2/3 teacups' worth of water (i.e. 16 oz, approx 500 mL), then the water level comes almost all the way up the mesh of the infuser. That's great. However, I usually want to brew EXACTLY 2 cups' worth, i.e. 12 oz. If I pour in only 12 oz. of water, the water definitely rises above the height of the *dry* leaves, but the level is a little over an inch (1 1/8") shy of the full height of the infuser basket: about 3 cm to be exact. So my question is this: assuming I use about 2 tsp worth of dry leaf, and the water level not only covers the dry leaf, but rises a bit more than halfway up the infuser, is that enough space and is that a proper spatial configuration for a proper infusion? I'm sort of ignorant of the technical and scientific aspects of it. My observations are that when I brew in a single-cup with the infuser, and fill the water almost all the way to the top, the leaves are usually lurking around at the bottom anyway (for black teas). So it shouldn't make too much difference in the 2-cup pot, when there isn't a lot of water *on top* of the leaves. Presumably in the pot since there is much more space *around* (i.e. outside the infuser basket to the sides), that the flavours and chemical goodies of the tea infuse outward that way. But I am concerned about green teas. Greens usually seem to have a much higher proportion of leaves that float to the top of the infuser basket, whether I fill it up all the way, or halfway. Also, the unfurled leaf sizes in greens tend to be enormous (I am using sencha and gyokuro, mainly). So I am worried that with 2 tsps my teeli infuser is over-matched in that specific pot. Of course the easiest thing to do to ease my mind is just to fill the pot nearly all the way, which means 16 oz. But I really don't want to get 2 decent cups, and then 2/3's of a cup of "dregs" -- drank after, and tending to be dusty and tannic. Also, I would have to use at least 2.5 teaspoons of tea, and I would rather not waste tea. So... is it simply enough to "cover" the tea leaves with water (ignoring the ones that float to the top)? Keep in mind that when I re-steep and the leaves are already wet and engorged, the water level still rises above the level of the leaves. So should I be concerned about the gravity aspect? Is it simply enough for there to be lots of water space around the sides, on the inside of the pot? Would appreciate any advice on this subject. Thanking you all in advance for your sinentic wisdom... |
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I keep two pots and two infusers. Me no have to think.
A Chatsford (for smaller volumes, they come in several sizes) and a standard store-bought one quart porcelain pot and a large "Swiss gold tea filter" (from Stash) for larger volumes. Warren wrote in message oups.com... Hello, I have recently gotten back into tea after a several-year teabag hiatus (due to laziness). I was really irritated at how tinny my tea tasted from the tea ball, and I tried those do-it-yourself tea bags with loose leaf tea, but the space was simply too cramped (esp. if brewing more than one cup at a time). Anyway, I recently bought the Teeli infuser basket (medium size) and had been brewing cup-by-cup (6 oz teacup). Results: excellent. The problems began when I wanted to make tea for my girlfriend as well, i.e. 2 cups at a time. So I went out and bought a 2-cup teapot (although in reality it holds 16 oz, which is like 2 and 2/3 cups). The infuser almost fits into it, though to push it all the way in requires some flex of the plastic frame. In a way, that is excellent in its own right because it produces a fairly tight seal to keep the heat in while brewing -- and I use the Teeli infusers little black lid during the brewing process. Now, the problem is this: if I actually use 2 and 2/3 teacups' worth of water (i.e. 16 oz, approx 500 mL), then the water level comes almost all the way up the mesh of the infuser. That's great. However, I usually want to brew EXACTLY 2 cups' worth, i.e. 12 oz. If I pour in only 12 oz. of water, the water definitely rises above the height of the *dry* leaves, but the level is a little over an inch (1 1/8") shy of the full height of the infuser basket: about 3 cm to be exact. So my question is this: assuming I use about 2 tsp worth of dry leaf, and the water level not only covers the dry leaf, but rises a bit more than halfway up the infuser, is that enough space and is that a proper spatial configuration for a proper infusion? I'm sort of ignorant of the technical and scientific aspects of it. My observations are that when I brew in a single-cup with the infuser, and fill the water almost all the way to the top, the leaves are usually lurking around at the bottom anyway (for black teas). So it shouldn't make too much difference in the 2-cup pot, when there isn't a lot of water *on top* of the leaves. Presumably in the pot since there is much more space *around* (i.e. outside the infuser basket to the sides), that the flavours and chemical goodies of the tea infuse outward that way. But I am concerned about green teas. Greens usually seem to have a much higher proportion of leaves that float to the top of the infuser basket, whether I fill it up all the way, or halfway. Also, the unfurled leaf sizes in greens tend to be enormous (I am using sencha and gyokuro, mainly). So I am worried that with 2 tsps my teeli infuser is over-matched in that specific pot. Of course the easiest thing to do to ease my mind is just to fill the pot nearly all the way, which means 16 oz. But I really don't want to get 2 decent cups, and then 2/3's of a cup of "dregs" -- drank after, and tending to be dusty and tannic. Also, I would have to use at least 2.5 teaspoons of tea, and I would rather not waste tea. So... is it simply enough to "cover" the tea leaves with water (ignoring the ones that float to the top)? Keep in mind that when I re-steep and the leaves are already wet and engorged, the water level still rises above the level of the leaves. So should I be concerned about the gravity aspect? Is it simply enough for there to be lots of water space around the sides, on the inside of the pot? Would appreciate any advice on this subject. Thanking you all in advance for your sinentic wisdom... |
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|
I keep two pots and two infusers. Me no have to think.
A Chatsford (for smaller volumes, they come in several sizes) and a standard store-bought one quart porcelain pot and a large "Swiss gold tea filter" (from Stash) for larger volumes. Warren wrote in message oups.com... Hello, I have recently gotten back into tea after a several-year teabag hiatus (due to laziness). I was really irritated at how tinny my tea tasted from the tea ball, and I tried those do-it-yourself tea bags with loose leaf tea, but the space was simply too cramped (esp. if brewing more than one cup at a time). Anyway, I recently bought the Teeli infuser basket (medium size) and had been brewing cup-by-cup (6 oz teacup). Results: excellent. The problems began when I wanted to make tea for my girlfriend as well, i.e. 2 cups at a time. So I went out and bought a 2-cup teapot (although in reality it holds 16 oz, which is like 2 and 2/3 cups). The infuser almost fits into it, though to push it all the way in requires some flex of the plastic frame. In a way, that is excellent in its own right because it produces a fairly tight seal to keep the heat in while brewing -- and I use the Teeli infusers little black lid during the brewing process. Now, the problem is this: if I actually use 2 and 2/3 teacups' worth of water (i.e. 16 oz, approx 500 mL), then the water level comes almost all the way up the mesh of the infuser. That's great. However, I usually want to brew EXACTLY 2 cups' worth, i.e. 12 oz. If I pour in only 12 oz. of water, the water definitely rises above the height of the *dry* leaves, but the level is a little over an inch (1 1/8") shy of the full height of the infuser basket: about 3 cm to be exact. So my question is this: assuming I use about 2 tsp worth of dry leaf, and the water level not only covers the dry leaf, but rises a bit more than halfway up the infuser, is that enough space and is that a proper spatial configuration for a proper infusion? I'm sort of ignorant of the technical and scientific aspects of it. My observations are that when I brew in a single-cup with the infuser, and fill the water almost all the way to the top, the leaves are usually lurking around at the bottom anyway (for black teas). So it shouldn't make too much difference in the 2-cup pot, when there isn't a lot of water *on top* of the leaves. Presumably in the pot since there is much more space *around* (i.e. outside the infuser basket to the sides), that the flavours and chemical goodies of the tea infuse outward that way. But I am concerned about green teas. Greens usually seem to have a much higher proportion of leaves that float to the top of the infuser basket, whether I fill it up all the way, or halfway. Also, the unfurled leaf sizes in greens tend to be enormous (I am using sencha and gyokuro, mainly). So I am worried that with 2 tsps my teeli infuser is over-matched in that specific pot. Of course the easiest thing to do to ease my mind is just to fill the pot nearly all the way, which means 16 oz. But I really don't want to get 2 decent cups, and then 2/3's of a cup of "dregs" -- drank after, and tending to be dusty and tannic. Also, I would have to use at least 2.5 teaspoons of tea, and I would rather not waste tea. So... is it simply enough to "cover" the tea leaves with water (ignoring the ones that float to the top)? Keep in mind that when I re-steep and the leaves are already wet and engorged, the water level still rises above the level of the leaves. So should I be concerned about the gravity aspect? Is it simply enough for there to be lots of water space around the sides, on the inside of the pot? Would appreciate any advice on this subject. Thanking you all in advance for your sinentic wisdom... |
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Well, I must admit I am surprised at some of the sarcastic replies.
Especially when this newsgroup very often contains long threads about how to calibrate thermometers to within 0.1 degrees for ideal brewing of rare green teas. Thank you Warren and Derek, though. Maybe my post was too long to read and turned a lot of people off, so here's a quick summary: When using an infuser basket, is it ideal to have the water level so high that the entire basket is filled to the brim, or is it simply enough to make sure that the tea leaves themselves are covered in water (excluding the ones that float, which will always float no matter how high the water level is)? That's the main issue. The space for the leaves to unfurl and be exposed to water does not change with the water level since that's a function of the infuser dimensions. The only difference here is that there isn't that much water *on top* of the leaves -- but so what? Should that really make a difference? I'm hoping someone who knows about this sort of stuff will post a sincere reply. I'll continue to experiment, but it would be nice to hear some sort of authoritative answer based on science (or something approaching that). |
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Well, I must admit I am surprised at some of the sarcastic replies.
Especially when this newsgroup very often contains long threads about how to calibrate thermometers to within 0.1 degrees for ideal brewing of rare green teas. Thank you Warren and Derek, though. Maybe my post was too long to read and turned a lot of people off, so here's a quick summary: When using an infuser basket, is it ideal to have the water level so high that the entire basket is filled to the brim, or is it simply enough to make sure that the tea leaves themselves are covered in water (excluding the ones that float, which will always float no matter how high the water level is)? That's the main issue. The space for the leaves to unfurl and be exposed to water does not change with the water level since that's a function of the infuser dimensions. The only difference here is that there isn't that much water *on top* of the leaves -- but so what? Should that really make a difference? I'm hoping someone who knows about this sort of stuff will post a sincere reply. I'll continue to experiment, but it would be nice to hear some sort of authoritative answer based on science (or something approaching that). |
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When using an infuser basket, is it ideal to have the water level so high that the entire basket is filled to the brim, or is it simply enough to make sure that the tea leaves themselves are covered in water (excluding the ones that float, which will always float no matter how high the water level is)? I would say that you need 2-3 times the height of the expanded leaf. If you barely cover the leaf I suspect that it will not get as thorough of an extraction. The leaf needs to move freely and not be encumbered. This is based on experience not science. The space for the leaves to unfurl and be exposed to water does not change with the water level since that's a function of the infuser dimensions. I disagree here. The "effective" volume of the infuser basket is limited to the height of the water, any infuser volume above the water line is irrelevant. The volume for the leaf to expand "freely" is a function of V = H x PI x (r x r) If you have a 3 inch diameter infuser basket and fill it one inch with water you will give the leaf 7 cubic inches of space to expand. If you use the same 3 inch diameter infuser and fill it up 4 inches with water you will give the leaf 28 cubic inches of volume to expand. The only difference here is that there isn't that much water *on top* of the leaves -- but so what? Should that really make a difference? It has been my "unscientific" understanding that the more room that you allow the leaf to swim the happier the leaf is. I am sure that there has got to be a practical limit here but I would allow at least 2-3 times the volume of the unfurled leaf. Mike Petro http://www.pu-erh.net remove the "filter" in my email address to reply |
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When using an infuser basket, is it ideal to have the water level so high that the entire basket is filled to the brim, or is it simply enough to make sure that the tea leaves themselves are covered in water (excluding the ones that float, which will always float no matter how high the water level is)? I would say that you need 2-3 times the height of the expanded leaf. If you barely cover the leaf I suspect that it will not get as thorough of an extraction. The leaf needs to move freely and not be encumbered. This is based on experience not science. The space for the leaves to unfurl and be exposed to water does not change with the water level since that's a function of the infuser dimensions. I disagree here. The "effective" volume of the infuser basket is limited to the height of the water, any infuser volume above the water line is irrelevant. The volume for the leaf to expand "freely" is a function of V = H x PI x (r x r) If you have a 3 inch diameter infuser basket and fill it one inch with water you will give the leaf 7 cubic inches of space to expand. If you use the same 3 inch diameter infuser and fill it up 4 inches with water you will give the leaf 28 cubic inches of volume to expand. The only difference here is that there isn't that much water *on top* of the leaves -- but so what? Should that really make a difference? It has been my "unscientific" understanding that the more room that you allow the leaf to swim the happier the leaf is. I am sure that there has got to be a practical limit here but I would allow at least 2-3 times the volume of the unfurled leaf. Mike Petro http://www.pu-erh.net remove the "filter" in my email address to reply |
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Thanks Mike, for that reply. I
Now, I agree with what you say in part. Clearly I don't believe that the volume of the infuser makes any difference -- it's the volume of the water-filled part of the infuser that is important. But... and here's what I was trying to say... when I fill the infuser in a teaCUP, the water goes all the way to the top, however, the leaves are basically at the bottom. Yes, they are unfurling, and they are using up some of the volume given to them, i.e. they expand and when I'm done infusing I note that they have expanded to maybe 3 or 4 times their dry volume depending on leaf type. However, they obviously don't expand all the way to the top of the infuser. In the teaPOT, I am unable to fill the infuser all the way to the top. However, there is about 3/4" of water above where the leaves are. I am not "limiting" their space to expand in this way, because even with more water, they would be settled at the bottom. My question only had to do with whether the amount of water ABOVE the leaves allows them to infuse faster or better or whatever. The actual expansion of the leaves is by no means restrained (except perhaps for the most LARGE leaf greens, like gunpowder pellets or pearls). Does that make any sense? You still may be right, but I just wanted to be clear. To sum it all up, imagine that the leaves will expand to volume X. In my tea-cup, they do this near the bottom of the teacup, because the infuser extends all the way to the bottom. In my tea-pot, they do this sort of suspended in the center of the water space, or maybe slightly above the center. But their unfurled volume is clearly the same. I think. |
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Thanks Mike, for that reply. I
Now, I agree with what you say in part. Clearly I don't believe that the volume of the infuser makes any difference -- it's the volume of the water-filled part of the infuser that is important. But... and here's what I was trying to say... when I fill the infuser in a teaCUP, the water goes all the way to the top, however, the leaves are basically at the bottom. Yes, they are unfurling, and they are using up some of the volume given to them, i.e. they expand and when I'm done infusing I note that they have expanded to maybe 3 or 4 times their dry volume depending on leaf type. However, they obviously don't expand all the way to the top of the infuser. In the teaPOT, I am unable to fill the infuser all the way to the top. However, there is about 3/4" of water above where the leaves are. I am not "limiting" their space to expand in this way, because even with more water, they would be settled at the bottom. My question only had to do with whether the amount of water ABOVE the leaves allows them to infuse faster or better or whatever. The actual expansion of the leaves is by no means restrained (except perhaps for the most LARGE leaf greens, like gunpowder pellets or pearls). Does that make any sense? You still may be right, but I just wanted to be clear. To sum it all up, imagine that the leaves will expand to volume X. In my tea-cup, they do this near the bottom of the teacup, because the infuser extends all the way to the bottom. In my tea-pot, they do this sort of suspended in the center of the water space, or maybe slightly above the center. But their unfurled volume is clearly the same. I think. |
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