A
SECTION A — HUMAN NECESSITIES
  
FOODSTUFFS; TOBACCO
 A23
FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
 A23

Note(s)

  1. Attention is drawn to the following places:
    C08BPolysaccharides, derivatives thereof 
    C11Animal or vegetable oils, fats, fatty substances or waxes 
    C12Biochemistry, beer, spirits, wine, vinegar 
    C13Sugar industry.  [4] 
  2. Processes using enzymes or micro-organisms in order to:
    1. liberate, separate or purify a pre-existing compound or composition, or to
    2. treat textiles or clean solid surfaces of materials
    are further classified in subclass C12S.  [5]
 A23F
COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF (coffee or tea pots A47G 19/14; tea infusers A47G 19/16; apparatus for making beverages, e.g. coffee or tea, A47J 31/00; coffee mills A47J 42/00)
 A23F 3/00
Tea; Tea substitutes; Preparations thereof
 A23F 3/06
·  Treating tea before extraction (reducing or removing alkaloid content A23F 3/36); Preparations produced thereby (tea extract preparations A23F 3/16)  [3]
 A23F 3/08
·  ·  Oxidation; Fermentation  [3]
 A23F 3/10
·  ·  ·  Fermentation with addition of micro-organisms or enzymes  [3]
 A23F 3/12
·  ·  Rolling or shredding tea leaves  [3]
 A23F 3/14
·  ·  Tea preparations, e.g. using additives (flavouring A23F 3/40)  [3]
 A23F 3/16
·  Tea extraction; Tea extracts; Treating tea extract; Making instant tea  [3]
 A23F 3/18
·  ·  Extraction of water soluble tea constituents (isolation of tea flavour or tea oil A23F 3/42)  [3]
 A23F 3/20
·  ·  Removing unwanted substances (reducing or removing alkaloid content A23F 3/38)  [3]
 A23F 3/22
·  ·  Drying or concentrating tea extract  [3]
 A23F 3/24
·  ·  ·  by freezing out the water  [3]
 A23F 3/26
·  ·  ·  by lyophilisation  [3]
 A23F 3/28
·  ·  ·  by spraying into a gas stream  [3]
 A23F 3/30
·  ·  Further treatment of dried tea extract; Preparations produced thereby, e.g. instant tea (flavouring A23F 3/40)  [3]
 A23F 3/32
·  ·  ·  Agglomerating, flaking or tabletting  [3]
 A23F 3/34
·  Tea substitutes, e.g. mate; Extracts or infusions thereof  [3]
 A23F 3/36
·  Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof  [3]
 A23F 3/38
·  ·  Reducing or removing alkaloid content from tea extract  [3]
 A23F 3/40
·  Tea flavour; Tea oil; Flavouring of tea or tea extract (synthetic tea flavours A23L 1/226)  [3]
 A23F 3/42
·  ·  Isolation of tea flavour or tea oil  [3]
 A23F 5/00
Coffee; Coffee substitutes; Preparations thereof  [3]
 A23F 5/02
·  Treating green coffee; Preparations produced thereby (roasting A23F 5/04; removing unwanted substances A23F 5/16; reducing or removing alkaloid content A23F 5/20; extraction A23F 5/24)  [3]
 A23F 5/04
·  Methods of roasting coffee (machines therefor A23N 12/00)  [3]
 A23F 5/06
·  ·  of roasting extracted coffee  [3]
 A23F 5/08
·  Methods of grinding coffee (coffee mills A47J 42/00)  [3]
 A23F 5/10
·  Treating roasted coffee; Preparations produced thereby (removing unwanted substances A23F 5/16; reducing or removing alkaloid content A23F 5/20; coffee extraction, making instant coffee A23F 5/24)  [3]
 A23F 5/12
·  ·  Agglomerating, flaking or tabletting (of coffee extract or instant coffee A23F 5/38)  [3]
 A23F 5/14
·  ·  using additives, e.g. milk, sugar; Coating, e.g. for preserving (flavouring A23F 5/46)  [3]
 A23F 5/16
·  Removing unwanted substances (reducing or removing alkaloid content A23F 5/20)  [3]
 A23F 5/18
·  ·  from coffee extract  [3]
 A23F 5/20
·  Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof  [3]
 A23F 5/22
·  ·  Reducing or removing alkaloid content from coffee extract  [3]
 A23F 5/24
·  Extraction of coffee; Coffee extracts (with reduced alkaloid content A23F 5/20); Making instant coffee (methods of roasting extracted coffee A23F 5/06)  [3]
 A23F 5/26
·  ·  Extraction of water soluble constituents (isolation of coffee flavour or coffee oil A23F 5/48)  [3]
 A23F 5/28
·  ·  Drying or concentrating coffee extract  [3]
 A23F 5/30
·  ·  ·  by freezing out the water  [3]
 A23F 5/32
·  ·  ·  by lyophilisation  [3]
 A23F 5/34
·  ·  ·  by spraying into a gas stream  [3]
 A23F 5/36
·  ·  Further treatment of dried coffee extract; Preparations produced thereby, e.g. instant coffee (removing unwanted substances A23F 5/18; flavouring A23F 5/46)  [3]
 A23F 5/38
·  ·  ·  Agglomerating, flaking or tabletting  [3]
 A23F 5/40
·  ·  ·  using organic additives, e.g. milk, sugar  [3]
 A23F 5/42
·  ·  ·  using inorganic additives  [3]
 A23F 5/44
·  Coffee substitutes  [3]
 A23F 5/46
·  Coffee flavour; Coffee oil; Flavouring of coffee or coffee extract (synthetic coffee flavours A23L 1/234)  [3]
 A23F 5/48
·  ·  Isolation of coffee flavour or coffee oil  [3]
 A23F 5/50
·  ·  ·  from coffee extract  [3]