Red Jade (aka Ruby Black or TTES#18)

Tea type
Black Tea
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Edit tea info Last updated by EzTea - Only the Exquisite Teas from Taiwan
Average preparation
200 °F / 93 °C 2 min, 0 sec

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6 Tasting Notes View all

From Easy Tea Hard Choice

Red Jade (aka Ruby Black or TTES#18) Red Jade (aka Ruby Back or TTES#18, but Red Jade is the closest to its original meaning in Chinese) is the most famous black in Yuchi, Nantou (Sun Moon Lake). It another hybrid variety (between Taiwan local mountain tea and Myanmar big leaf variety) developed by TTES (Taiwan Tea Experimental Station)
Brewing method: 3 gram tea with 150 ml boiling water, suggest brew time is 3 min
Appearance: Deep golden, but if brew longer (say 4 min), the appearance will become Ruby, of course.
Nose: Strong note of cinnamon and mint
Palate: liquor body is medium. It’s truly amazing. Even though the tea is hot, the cool feeling of mint spread out in your palate after taking the first sip.
Aftertaste: long and lasting. the feeling of mint and fragrance of cinnamon hovers for minutes
Overall: It is a amazing tea which I highly recommend. The fragrance is so special that no other black has a similar taste.

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6 Tasting Notes

2182 tasting notes

I could tell from the instant that this was done brewing that I would not be into it as brewed. With the Red Rhythm tea from this company I had followed the provided steeping directions on the box, which were 5g/8oz water, boiling, 3 minutes. This time I went for 5-6g/12oz (which is still a bit high for me) 90°C, 3 minutes. I think I need to go for less leaf or way less time, or both.

This is one of those teas that smells astringent. It has a particular scent that I encounter in black teas sometimes that just kind of turns my stomach. Taste is bitter and astringent. Definitely need to brew this one differently.

Ok, take two, because I have the time and I’m curious. Less leaf (3g? I eyeballed it), less time (1 minute). It still has a bit of that stomach-turning astringency smell, but not so much of it. Now it also has a fruity and floral scent. This is much better. Now it is pretty sweet and fruity.

Definite raisin notes, as well as a rich, cooked-fruitiness like jam. There is a hint of astringency, but it is almost like the fruity astringency of grapefruit. I still don’t love the tea because it’s fruity-floral in a way that doesn’t quite suit me. But I am still so glad I tried this one like this because it is a lot better and I am much more pleased with my experience.

195 °F / 90 °C 1 min, 0 sec

I am so happy to hear that I am not the only one who likes black teas steeped at a lower temp. 90 C for black seems about right for me.
I am not happy to hear that this is astringent even with the lower temp. I have all three of these blacks and haven’t tried any of them yet. LOL may let you play with it, once your find your perfect steep parameters let me know. :))


I tend to use about 3g/12oz especially with new tea. Though the dryness of astringency doesn’t bother me, my stomach can’t handle some black teas especially Assam.


I updated the note with a new steep of it. I was using more leaf than I usually would as directed by the company, but this is one of those cases where that was a bad idea. With less leaf and less time (and still a lower temp) this is a much nicer tea.


I often do my black teas at 203F just to be on the safe side. Astringent tea makes my stomach very angry.

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903 tasting notes

This isn’t really doing it for me either. This isn’t bold enough. Really light and delicate for a black, adding more leaf or longer steep didn’t seem to make it stronger, it just made it more astringent.
For the record mine wasn’t anywhere near as red as it shows in the picture.
I’m going to pass on this one.

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6481 tasting notes

thank you dexter for sharing this one with me. While this tea is on the sweet side, it’s also on the wimpy side. the flavours aren’t super strong, and there’s a bit of astringency to it that leaves my mouth a little dry. Not a bad tea, but there are for sure others that i’d prefer over this one most days.

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713 tasting notes

Steep Information:
Amount: 4.2g
Water: 500ml at 212°F
Tool: Breville One-Touch Tea Maker BTM800XL
Steep Time: 3 minutes
Served: Hot

Tasting Notes:
Dry Leaf Smell: floral, sweet, toasty
Steeped Tea Smell: vegetal, toasty, hint of sweet floral
Flavor: sweet, toasty, silky, honey
Body: Medium
Aftertaste: toasty, mint tingle
Liquor: translucent red-brown

Rating: 2/4 leaves


Boiling 3 min, 0 sec

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Steep Information:
5 gram tea + 180 ml boiling water.
Steep Time:
2 min 30 sec

Above is the latest steeping method I used for Taiwanese black tea, which is meant to bring out its full aroma and ,meanwhile, have stronger flavor. Since this is my tea, I am not going to say anything else here. You could basically find my tasting note above. What I want to say is this steeping method works pretty well the all my Taiwanese black. You could give it a try if interested.

Boiling 3 min, 0 sec

FYI – generally sellers don’t rate their teas since it can appear as though you’re trying to up the score

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