Table 2.

Definitions and reference standards for the appearance, odor/aroma, flavor/taste, texture/mouthfeel, and aftertaste attributes used in the descriptive analysis of blended tea products

Attribute	Descriptor	Abbreviation	Definition	Reference	Intensity score
Appearance	Brightness	BrightA	Intensity of brightness of corn silk tea	Corn silk tea Prep.: 30 mL Corn silk tea (Kwang Dong Pharmaceutical Co. Ltd., Seoul, Korea) poured into a white paper cup	6
	Transparent	TranspA	Intensity of transparency of lemonade	Lemonade (Sunkist Growers, Inc., Valencia, CA, USA)	7
	Greenness	GreenA	Intensity of greenness of sports drink	Gatorade with lemon flavor (Lotte Chilsung Beverage Co., Ltd., Seoul, Korea)	7
	Redness	RedA	Intensity of redness of Ceylon tea	Black tea Prep.: 30 mL canned black tea (Ceylon tea, Lotte Chilsung Beverage) poured into a white paper cup	10
	Yellowness	YellowA	Intensity of yellowness of apple jam diluted solution	Apple jam Prep.: 2 tbsp apple jam (Bokumjari Co., Ltd., Gyeonggi-do, Korea) diluted with 200 mL boiling water	7
Odor/aroma	Mint odor	MintO	Pleasant smells associated with mint	Mint flavor candy (Eclipse, Wm. Wrigley Jr. Co., Chicago, IL, USA)	8
	Flower odor	FlowerO	Aromatics associated with dried flowers	Dried floral leaves (Gypsophila, chamomile, lavender [Romantic November, online market, Busan, Korea])	10
	Jelly odor	JellyO	Sweet smells associated with fruit jelly	Fruit jelly (Haribo Goldbaren [Haribo GmbH & Co. KG, Bonn, Germany])	11
	Bitter odor	BitterO	Aromatics associated with herbal medicine	Herbal medicine Prep.: 50% herbal medicine (Ssanghwatang [Kwang Dong Pharmaceutical]) diluent	8
	Sweet odor	SweetO	Sweet smells associated with a honey solution	Honey Prep.: 2% honey from various flowers (Dongsuh Foods Co., Seoul, Korea) diluent	8
	Artificial sweeteners odor	ASweetO	Aromatics associated with artificial sweeteners, such as syrup-like medicine	Liquid medicine Prep.: 10% liquid medicine with strawberry flavor (Coldy S Syrup [Samil Co., Ltd., Seoul, Korea]) diluent	10
	Dried mugwort odor	DMugwortO	Aromatics associated with sauna bath, such as dried mugwort	Moxa (Ssuktteum Myeongga Co., Seoul, Korea)	7
Flavor/taste	Mild flavor	MildF	Mild flavor associated with corn silk tea	Corn silk tea (Kwang Dong Pharmaceutical)	10
	Artificial sweeteners taste	ASweetF	Flavor associated with artificial sweetener	Liquid medicine Prep.: 10% liquid medicine with strawberry flavor (Coldy S Syrup [Samil]) diluent	10
	Bitter taste	BitterF	Flavor associated with herbal medicine	Herbal medicine Prep.: 50% herbal medicine (Ssanghwatang [Kwang Dong Pharmaceutical]) diluent	9
	Sweet taste	SweetF	Flavor associated with honeyed water	Honey Prep.: 2% honey from various flowers (Dongsuh Foods) diluent	7
	Fruit taste	FruitF	Flavor associated with fruit tea	Apple jam Prep.: 2 tbsp Apple jam (Bokumjari) diluted with 200 mL boiling water	7
	Sour taste	SourF	Flavor associated with lemonade	Lemonade Prep.: 30% Lemonade (Sunkist Growers) diluent	9
	Astringency	AstrinF	Feeling of shriveled tongue associated with tannins	Burdock tea Prep.: 5 g dried burdock slices (Jirisangol, online market, Gyeonggi-do, Korea) infused with 200 mL boiling water for 2 min	7
Texture/mouthfeel	Powdery mouthfeel	PowderT	Mouthfeel of tongue coated with powder	Yakult Prep.: 100 mL Yakult (Maeil Dairies Co., Ltd., Seoul, Korea) diluted with 200 mL water	7
Aftertaste	Powdery mouthfeel	PowerAF	Mouthfeel of tongue coated with powder	Yakult Prep.: 100 mL Yakult (Maeil Dairies) diluted with 200 mL water	7
	Bitter flavor	BitterAF	Bitterness associated with herbal medicine in the mouth after swallowing tea	Herbal medicine Prep.: 50% herbal medicine (Ssanghwatang [Kwang Dong Pharmaceutical]) diluent	9
	Sweet flavor	SweetAF	Sweetness in the mouth after swallowing tea	Honey Prep.: 2% honey from various flowers (Dongsuh Foods) diluent	7