CGSB 32 110-1992 Cafe Torrefie Moulu《烘制与磨制咖啡 代替32-GP-110M》.pdf

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1、CGSB 32=110 92 1874650 00234b2 721 32.110 May 1992 Specification Roasted and Ground Coffee Supersedes 32-GP-l lOM Canadian General Standards Board Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license f

2、rom IHS-,-,-CGSB 32.llO 92 m 1874650 0023463 bb8 m The CANADIAN GENERAL STANDARDS BOARD (CGSB), under whose auspices this specification has been developed, produces voluntary standards and specifications in many subject areas, at the request of sources in both the private and public sectors. CGSB ha

3、s been accredited by the Standards Council of Canada as a national standards-writing organization. The standards that it develops and offers as National Standards of Canada conform to the criteria and procedures established for this purpose by the Standards Council of Canada. In addition to standard

4、s it publishes as national standards, CGSB produces standards and specification to meet particular needs, in response to requests from a variety of sources in both the public and private sectors. CGSB standards and specifications, and national standards developed by CGSB, are developed in conformanc

5、e with the policies described in the Policy Manual for the Development and Maintenance of Standards by CGSB. CGSB specifications are developed to state the particular requirements of a government or an industry for a material, a product, or a service. A specification also states the procedures to de

6、termine if the requirements have been met. Unlike a CGSB standard, a CGSB specification may lack any one or any combination of the following factors: broad application, committee balance, representation of all vital interests or consensus approval. CGSB specifications are subject to review and revis

7、ion at any time, so as to ensure that they keep abreast of technological progress. Suggestions for their improvement, which are always welcome, should be brought to the notice of the cornmittee concerned. Changes to specifications are issued either as separate amendment sheets or in new editions of

8、specifications. I An up-to-date listing of CGSB specifications, including details on latest issues and amendments, and ordering instructions, will be found in the CGSB Catalogue, which is published annually and is available without charge upon request. Although the intended primary application of th

9、is specification is stated in its Scope, it is important to note that it remains the responsibility of the users of the specification to judge its suitability for their particular purpose. Many tests required by CGSB specifications are inherently hazardous. CGSB neither assumes nor accepts any respo

10、nsibility for any injury or damage that may occur during or as the result of tests, wherever performed. CGSB takes no position respecting the validity of any patent rights asserted with any item connected with this specification. Users of this specification are expressly advised that determination o

11、f the validity of any such patent rights are entirely their own responsibility. Further information on CGSB and its services and standards may be obtained from: The Secretary Canadian General Standards Board Ottawa, Canada KIA IC6 How by by by in to order ea Publications Telephone - (819) 956-0425 a

12、r - (819) 956-0426 I Fax - (819) 956-5644 Mail - CGSB, Sales Unit Ottawa, Canada I KIA IC6 Person - Place du Portage III, 9C1 I1 Laurier Street Hull, Quebec Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without

13、 license from IHS-,-,-CGSB 32.110 92 m 1874650 00234b4 5T4 m -3 Canadian General Standards Board 32.110 May 1992 Supersedes 32-GP- 1 1 OM January 1983 SPECIFICATION ROASTED AND GROUND COFFEE This specification supersedes former CGSB standard 32-GP-llOM. of January 1983, which is now withdrawn. Prepa

14、red by the Canadian General Standards Board es Published May 1992 by the Canadian General Standards Board Ottawa, Canada KIA 1G6 OMinister of Supply and Services Canada - 1992 No pan of this publication may be reproduced in any form without the prior permission of the publisher Copyright Canadian Ge

15、neral Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Wilkes, D. Andr, M. Audet, E. Burke, R. Higgins, M. Jensen, C. Joyce, F. Knight, R.M. Phillips, T. Raines, B.W. (CGSB 32.LL 92 1874650 0023Yb5 430 CANADIAN

16、GENERAL STANDARDS BOARD COMMITTEE ON COFFEE (Membership at date of approval) Chairperson Tea and Coffee Association of Canada Department of National Defence Department of Supply and Services Department of National Health and Welfare Mother Parkers Foods Ltd. Nabob Foods Ltd. Department of Consumer a

17、nd Corporate Affairs Kraft General Foods Canada Inc. Sandra Tea and Coffee Ltd. Thomas J. Lipton Ltd. Trepanier, Capt J. Zilinskas, R. Siikanen, E. Secretary Canadian General Standards Board Department of National Defence Diversified Research Laboratories Ltd. a Acknowledgment is made for the French

18、 translation of this Canadian General Standards Board specification by the Translation Bureau of the Department of the Secretary of State. 32.110 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license fr

19、om IHS-,-,-CGSB 32-110 92 m 1874b50 00234bb 377 m 32.110 May 1992 Supersedes 32-GP- 1 1 OM January 1983 CANADIAN GENERAL STANDARDS BOARD ROASTED AND GROUND COFFEE 1. SCOPE 1.1 This specification applies to regular and decaffeinated ground coffee made from roasted beans of green coffee, i.e. the seed

20、 of Cofea arabica L., C. fiberica Hiem or C. robusta Chev., freed from all but a small portion of its spermoderm. It is mainly intended to be used by food services in procurement of food. 1.2 The testing and evaluation of a product against this specification may require the use of materials and/or e

21、quipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this specification has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any e

22、xisting applicable regulatory requirements prior to its use. 2. APPLICABLE PUBLICATIONS 2.1 2.1.1 The following publications are applicable to this specification: Canadian General Standards Board (CGSB) CAN/CGSB-8.2 - Sieves, Testing, Woven Wire, Metric CAN/CGSB-52.8 - Urns, Beverage, Food Service.

23、2.1.2 Department of Agriculture D Publication 1637 - Laboratory Methods for Sensory Evaluation of Food. 2.1.3 Department of Consumer and Corporate Affairs Consumer Packaging and Labelling Act and Regulations. 2.1.4 Department of National Health and Welfare The Food and Drugs Act and Regulations. 2.1

24、.5 The Association of Official Analytical Chemists (AOAC) Official Methods of the Association of Official Analytical Chemists. Reference to the above publications is to the latest issues. The sources of these publications are shown in the Notes section. 2.2 3. CLASSIFICATION 3.1 The coffee shall be

25、supplied in the following types and fineness of grind, as specified (par. 8.1). 3.1.1 Types a. Regular coffee b. Decaffeinated coffee. 3.1.2 Fineness of grind a. Urn grind b. Fine Grind. 1 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction

26、 or networking permitted without license from IHS-,-,-4. 4.1 4.2 4.3 5. 5.1 5.1.1 5.1.2 5.2 5.2.1 5.3 5.4 5.5 5.6 5.7 2 Fineness Designation Urn grind Fine grind CGSB 32.110 92 D 1874650 O023467 203 D GENERAL REQUIREMENTS Percentage Retained on Standard Sieve Size* Percentage Passing Through Standar

27、d Sieve Size* 1.70 and 1.18 mm* 850 and 600 pm* 600 pm* 7 (+5,-3) 73 (k4) 20 (I4) 3.0 (max.) 70 (+5,-10) 30 (+lo,-5) In addition to meeting the requirements of this specification, ground coffee shall meet the requirements of Food and Drug Regulations (par. 2.1.4). Ground coffee shall be made from go

28、od, sound roasted beans of green coffee i.e. the seed of Coffea arabica L,. C. fiberica Hiern or C. robusra Chev., freed from all but a small portion of its spermoderm. Ground coffee shall be free from impurities, chicory and adulteration of any kind. The beans shall be roasted in accordance with go

29、od commercial practice, at the time of grinding, packaging and del i very. DETAILED REQUIREMENTS Caffeine Content The regular ground coffee shall contain the caffeine normally present in roasted coffee beans. Decaffeinated ground coffee shall contain no more than 0.1% caffeine when determined as giv

30、en in par. 7.2.3. Fineness of grind * See standard CANKGSB-8.2, Sieves, Testing. Woven, Wire, Metric * alternative designations: Nos. 12 and 16 or Tyler 10 and 14 mesh * alternative designations: Nos. 20 and 30 or Tyler 20 and 28 mesh * alternative designations: No. 30 or Tyler 28 mesh Cup Quality -

31、 The cup quality of the brewed coffee made of 40 g ground coffee per litre water (test samples) shall be equal to or better than the coffee also brewed of the same amount of the standard coffee specified in par. 5.4 and determined sensorily as specified in par. 7.2.4 . Standard Coffee - The standard

32、 coffee shall be ground coffee, representative of nationally sold good coffee brands approved as a standard by the authority applying this specification. Package Types and Sizes - Ground coffee shall be supplied in the following package types and sizes (net mass) as specified (par. 8.1): a. Cans (wi

33、th vacuum), 369 or 300 g b. Brick packs (larninate packages with vacuum), 369 or 300 g c. Flexible laminate pouches with inert gas, 71 g. Prior to packaging in flexible laminate packages, the coffee shall be thoroughly de-gassed in accordance with good manufacturing practice. The inert gas used in f

34、lexible laminate packages shall be either commercially pure nitrogen or carbon dioxide. Residual Oxygen - Residual oxygen concentration of the head space in flexible laminate packages shall be less than 2% at the lime of packaging and less than 5% after three months from the time of packaging when a

35、nalyzed as specified in par. 7.2.2. 32.110 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.8 6. 6.1 6.2 6.3 7. 7.1 7.2 7.2.1 7.2.2 7.2.3 7.2.4 8. 8.1 8.2 8.2. I CGSB 32-LLO 92 W 187

36、4650 0023468 L4T Vacuum - The vacuum in cans or brick packs shall be at least 81 kPa at the time of sealing when determined by a standard vacuum gauge (Note i). PREPARATION FOR DELIVERY Unless otherwise specified (par. 8.1) normal commercial practice for packaging, labelling, packing and marking sha

37、ll be applied. However the marking shall include the information specified in par. 6.2. Marking - In addition to par. 6.1, all packages shall be marked with manufacturers name or trademark and all shipping containers shall be marked with the date of packaging. Package Sizes - Unless otherwise specif

38、ied (par. 8.1) ground coffee shall be supplied in package sizes given in par. 5.5 for the type of package. INSPECTION Sampling - Sampling for inspection shall be left to the discretion of the inspection authority, unless a specific sampling plan has been specified (par. 8.1). Testing Sieve Analysis

39、- Assemble a set of clean sieves in order of decreasing size with the largest mesh at the top and a pan at the bottom. Place a representative 100 I 0.5 g sample of the ground coffee in the top sieve. Place the set of sieves, with the cover on, on a shaking machine that operates with a single eccentr

40、ic circular motion at 285 I 10 r/min with a tapping motion of 150 f 5 strokes per minute and vibrate for 5 min f 5 s. Weigh the coffee retained by each sieve and caught in the pan. Two samples shall be tested, and the average mass of coffee retained on the 1.70 and 1.18 mm screens, the 850 and 600 p

41、m screens, and in the pan shall be reported as percentages. Residual Oxygen - Using a self sealing puncture device, withdraw a representative sample of gas from a container. Analyse the gas for residual oxygen using an acceptable apparatus and the method specified by the apparatus manufacturer (Note

42、 2). Caffeine Content - The caffeine content of the coffee shall be determined in accordance with the method AOAC 15.020 (14th edition). Determination of Cup Quality - The cup quality shall be determined in accordance with the paired comparison test using a nine-point hedonic scale specified in the

43、publication 1637 given in par. 2.1.2. The test samples of coffee shall be brewed as given in Appendix A in case of urn grind and as given in Appendix B in case of fine grind. NOTES Options - The following options must be specified in the application of this specification: a. Type of coffee (par. 3.1

44、.1) b. Fineness of grind (par. 3.1.2) c. Type of package and size (par. 5.5 and 6.3) d. Packaging, labelling, packing and marking details, if normal commercial practice is not suitable (par. 6.1) e. Sampling, if a specific plan is required (par. 7.1). Source of Referenced Publications The publicatio

45、n referred to in par. 2. I. i may be obtained from the Canadian General Standards Board, Sales Unit, Ottawa, Canada KIA 1G6. Telephone (819) 956-0425 or 956-0426. Fax (819) 956-5644. Note 1: The guuge manufactured by James Morrison Brass Mfg. Co., Model CAS-01267, obtained from Canners Manufacturing

46、 Ltd., Simcoe, Ontario, has been found satisfactoty for this purpose. Note 2: The following apparatus have been found suitable to analyze oxygen in the head space: Fisher Scientific, Oxygen Head Space Analyzer IL 307 or Gallenkamp-Lloyd Gas analyzer GC-400 or Stundard Orsat Gas Analysis Apparatus. 3

47、2.110 3 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CGSB 32-110 92 1874650 0023469 O8b 8.2.2 The publications referred to in par. 2.1.2, 2.1.3 and 2.1.4 may be obtained from the C

48、anada Communication Group, Publishing, Ottawa, Canada KIA OS9. Telephone (819) 956-4802. The publication referred to in par. 2.1.5 may be obtained from the Association of Official Analytical Chemists, Box 540, Benjamin Franklin Station, Washington, DC 20044, U.S.A. 8.2.3 4 32.110 Copyright Canadian

49、General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CCGSB 32.110 92 1874650 0023470 8T8 = APPENDIX A PREPARATION OF URN BREWED COFFEE AI. SCOPE AI. 1 This method describes the general urn brewing procedure for freshly ground coffee using 1 1 L coffee urn specified in CANKGSB-52.8. A2. EQUIPMENT Coffee um, Type 2, Class A, CAN/CG