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Research draft

tea

vr.tr.tea · PHY.MAT

Let an agent handle tea by type, origin, preparation, caffeine and culture.

Thing Registry Physical world and living systems

Research draft, second pass

A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.

written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify

Researched by: Claude

Purpose and description

Let an agent handle tea by type, origin, preparation, caffeine and culture.

A beverage made by steeping processed leaves of the tea plant (Camellia sinensis) in hot water, in types such as black, green, oolong, white and matcha; the word also covers herbal infusions.

What it is for: Drinking hot or cold, socially and ceremonially.

It can be brew it correctly; choose by type and origin; manage caffeine intake; learn tea traditions.

Distinguishing features

From Camellia sinensis leaves

Processing defines type

Contains caffeine

Deep cultural traditions

What it looks like

Loose leaves, bags, bricks or powder; brewed liquor from pale yellow to dark red-brown.

Physical character

caffeine per cup: about 20-60 mg - varies by type and brewing

brewing temperature: 70-100 degrees C - green to black tea

How it is recognised

Leaf type and processing

Origin such as Darjeeling or Uji

Herbal teas without tea leaves are infusions

Related models

is a kind of - category

hot beverage and stimulant

is made from - ingredient

leaf of Camellia sinensis

contains - compound

caffeine

is related to - other beverage

coffee

In practice

Families and kinds

black tea

green tea and matcha

oolong

white tea

pu-erh and brick tea

herbal infusions (tisanes)

Standards and regulation

ISO 3720 black tea specification

Geographical indications such as Darjeeling

Food labelling rules

Failure modes and hazards

Scalds from hot water

High caffeine for sensitive people

Unsupported health claims

Also called

instant teamatchablack teaMatte LeãoBrick teaginger teaTwisted TeaYù LùYunnan SourcingMaison BourgeonMaojian teaTaiwanese tearoot teaseed teaKorean fruit teaKorean flower and leaf teaUreshino TeaJapanese teatea without tea leavesNishio TeaSassoBlack soybean teacompressed teaTea Kosharigyeolmyeongja-chaKashmiri kahwaflavoured teaNoon Chailapachomilk teaEast Friesland tea blendGABA Teafukuchaoolongwhite teaKuwaiti teafermented teaomija-chaTea blending and additivesBiluochun

+159

Where this came from

wikidata · CC0 1.0

Also registered as vr.tr.tea-2

Drafted structure

Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.

Tea Which tea.

Type and origin.

Type

Black, green.

Type

Tea type.

  1. What type of tea is it? definition
  2. How was it processed? definition

Origin

Region.

Origin

Origin.

  1. Where was it grown? provenance
  2. Is the origin protected? provenance
Brewing Preparation.

Brewing affects taste.

Method

Temperature and time.

Method

Brewing method.

  1. What water temperature and steeping time suit it? measurement
  2. How much tea per cup? measurement

Ceremony

Traditions.

Ceremony

Tea traditions.

  1. Which traditional preparations exist? definition
  2. In which cultures? provenance
Health Caffeine.

Tea contains caffeine.

Caffeine

Amount.

Caffeine

Caffeine.

  1. How much caffeine does a cup contain? measurement
  2. What limits apply in pregnancy? provenance

Claims

Health claims.

Claims

Health claims.

  1. Is a health claim for this tea authorised? boundary
  2. By which authority? provenance
Trade Sourcing.

Tea trade has ethics.

Certification

Fair trade.

Certification

Certification.

  1. Is it certified for fair or sustainable production? provenance
  2. What does the label guarantee? definition

Workers

Conditions.

Workers

Worker conditions.

  1. What is known about working conditions on estates? provenance
  2. Which reports cover them? provenance

What the second pass must settle

  • Should tea types be separate entries?
  • How should origins be linked?
  • How should herbal infusions be split off?