WO2004031762A3 - Method and apparatus for determining the sugar content of fruit - Google Patents

Method and apparatus for determining the sugar content of fruit Download PDF

Info

Publication number
WO2004031762A3
WO2004031762A3 PCT/ZA2003/000142 ZA0300142W WO2004031762A3 WO 2004031762 A3 WO2004031762 A3 WO 2004031762A3 ZA 0300142 W ZA0300142 W ZA 0300142W WO 2004031762 A3 WO2004031762 A3 WO 2004031762A3
Authority
WO
WIPO (PCT)
Prior art keywords
fruit
sugar content
beaker
determining
liquid
Prior art date
Application number
PCT/ZA2003/000142
Other languages
French (fr)
Other versions
WO2004031762A2 (en
Inventor
Der Hoven Johan Van
Original Assignee
Der Hoven Johan Van
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Der Hoven Johan Van filed Critical Der Hoven Johan Van
Priority to AU2003267329A priority Critical patent/AU2003267329A1/en
Publication of WO2004031762A2 publication Critical patent/WO2004031762A2/en
Publication of WO2004031762A3 publication Critical patent/WO2004031762A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G01N33/025—Fruits or vegetables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0848—Specific forms of parts of containers
    • B01L2300/0854—Double walls

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Hematology (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

A method of determining the sugar content of fruit comprises placing the fruit in a liquid which has a density such that fruit having a sugar content below a predetermined value floats in the liquid and fruit having a sugar content above that level sinks in the liquid. The invention further relates to apparatus for determining the sugar content of fruit comprising a double beaker including an outer transparent beaker, an inner transparent beaker in the form of a strainer having openings in the lower end thereof, and means for suspending the inner beaker within the outer beaker.
PCT/ZA2003/000142 2002-10-01 2003-09-30 Method and apparatus for determining the sugar content of fruit WO2004031762A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003267329A AU2003267329A1 (en) 2002-10-01 2003-09-30 Method and apparatus for determining the sugar content of fruit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2002/7855 2002-10-01
ZA200207855 2002-10-01

Publications (2)

Publication Number Publication Date
WO2004031762A2 WO2004031762A2 (en) 2004-04-15
WO2004031762A3 true WO2004031762A3 (en) 2004-05-13

Family

ID=32070320

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2003/000142 WO2004031762A2 (en) 2002-10-01 2003-09-30 Method and apparatus for determining the sugar content of fruit

Country Status (2)

Country Link
AU (1) AU2003267329A1 (en)
WO (1) WO2004031762A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2300777A (en) * 1940-10-17 1942-11-03 Fmc Corp Method of grading fruit
US4225424A (en) * 1978-11-20 1980-09-30 Blueberry Equipment, Inc. Hydrodynamic blueberry sorting
US4318803A (en) * 1980-07-14 1982-03-09 Holmgren Raymond S Fecal flotation apparatus
GB2264363A (en) * 1992-02-07 1993-08-25 Walter George Brant Determining specific gravity / solid content of root vegetables
US5962247A (en) * 1995-11-06 1999-10-05 Celsis International Plc Assay for microorganisms and device for use therein

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2300777A (en) * 1940-10-17 1942-11-03 Fmc Corp Method of grading fruit
US4225424A (en) * 1978-11-20 1980-09-30 Blueberry Equipment, Inc. Hydrodynamic blueberry sorting
US4318803A (en) * 1980-07-14 1982-03-09 Holmgren Raymond S Fecal flotation apparatus
GB2264363A (en) * 1992-02-07 1993-08-25 Walter George Brant Determining specific gravity / solid content of root vegetables
US5962247A (en) * 1995-11-06 1999-10-05 Celsis International Plc Assay for microorganisms and device for use therein

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
M. R. LANIER AND J.R. MORRIS: "Density Separation of Muscadine Grapes", ARKANSAS FARM RESEARCH, vol. 27(5), no. 4, 1977, XP002272256 *
TERESE L. WALKER ET AL: "Density Separation, Storage, Shelf Life, and Sensory Evaluation of 'Fry' Muscadine Grapes", HORTSCIENCE, vol. 36(5), 2001, pages 941 - 945, XP002272257 *

Also Published As

Publication number Publication date
AU2003267329A1 (en) 2004-04-23
WO2004031762A2 (en) 2004-04-15

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