... with just the right amount of puckering twang, ...

[kadioguy]

How Was Ketchup Invented?

It is a dynamic red concoction. At once savory and sweet, with just the right amount of puckering twang, it is slathered and squirted onto our favorite foods.

[...]

https://www.nationalgeographic.com/culture/food/the-plate/2014/04/21/how-was-ketchup-invented/

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What does the blue part mean?

 

[teechar]

Try guessing.
Have you looked up those words in the dictionary?

 

[kadioguy]

Try guessing.
Have you looked up those words in the dictionary?

Yes, but I haven't seen definitions which can match them in this context. :-?

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pucker
verb
pucker (something) (up)
to form or to make something form small folds or lines
https://www.oxfordlearnersdictionaries.com/definition/english/pucker?q=+pucker

twang
noun
1. ​used to describe a way of speaking, usually one that is typical of a particular area and especially one in which the sounds are produced through the nose as well as the mouth

2. a sound that is made when a tight string, especially on a musical instrument, is pulled and released
https://www.oxfordlearnersdictionaries.com/definition/english/twang_1?q=twang

 

[YAMATO2201]

I just found this:

1. Twang twang (prov.) a sharp flavour, an aftertaste.
http://www.finedictionary.com/twang.html

(I think "puckering twang" means "twang that puckers your lips/mouth", but I'm not sure.)