['The', 'seventh', 'column', 'gives', 'the', 'Chemical', 'Abstracts', 'Service', '(CAS)', 'number', 'tor', 'the', 'sub-', 'stance.', 'A.number', 'is', 'assigned:', 'by', 'CAS', 'to', 'each', 'material', 'which', 'appears', 'in', 'the', 'literature,', 'and', 'this', 'number', 'is', 'becoming', 'widely', 'used', 'as', 'prime', 'identification.', 'The', 'eighth', 'column', 'indicates', 'if', 'the', 'substance', 'appears', 'among:', 'the', 'monographs', 'pub-', 'lished', 'in', 'the', 'Third', 'Edition', 'of', 'the', 'Food:', 'Chemicals', 'Codex,’', 'The', 'ninth', 'column', 'indicates', 'if', 'the', 'substance', 'has', 'a', 'monograph', 'in', 'the', 'series', 'published', 'by', 'the', 'Research', 'Institute', 'for', 'Fragrance', 'Materials.”', 'The', 'tenth', 'colurnn', 'indicates', 'if', 'there', 'is', 'a', 'standard', 'for', 'the.', 'material', 'published', 'by', 'the', 'Es-', 'sential', 'Oil', 'Association', 'of', 'the', 'U.S.', '(now', 'known', 'as', 'the', 'Fragrance', 'Materials', 'Association.', 'The', 'eleventh', 'column', 'indicates', 'if', 'that', 'material', 'is', 'mentioned', 'im', 'the', 'Guidelines', 'pub-', 'lished', 'by', 'the', 'Internatiomal', 'Fragrance', 'Association', '(IFRA).', 'These', 'guidelines', 'give', 'the', 'rec-', 'ommendations', 'of', 'IFRA', 'tor', 'the', 'safe', 'use', 'of', 'fragrance.', 'materials,', 'based', 'on', 'the', 'latest', 're-', 'search', 'information', 'available', 'from', 'published', 'and', 'unpublished', 'sources,', 'woridwide,,', 'of', 'adverse', 'reactions', 'to', 'the', 'use', 'of', 'fragrance', 'materials.', 'The', 'recommendations', 'sometimes', 'recommend', 'that', 'a', 'particular', 'material', 'not', 'be', 'used', 'in', 'fragrances,', 'but', 'more', 'often', 'recom-', 'mends', 'that', 'a', 'material', 'not', 'be', 'used', 'above', 'a', 'given', 'level,', 'or', 'that', 'a', 'specially', 'processed', 'form', 'of', 'the', 'material', 'be', 'used', 'that', 'has', 'proven', 'to', 'be', 'safe.', 'Finally', 'the', 'suppliers', 'of', 'both', 'flavor', 'and', 'fragrance', 'materials', 'have', 'been', 'listed.', 'The', 'in-', 'formation', 'under', '“sources”', 'in', 'this', 'volume', 'has', 'been', 'taken', 'from', 'CSA', 'publications', 'and', 'files,', 'as.', 'welllas', 'from', 'information', 'sent', 'to', 'us', 'specifically', 'for', 'this', 'publication.', 'Our', 'aim', 'is', 'to', 'provide', 'a', 'full', 'and', 'complete', 'source', 'listing', 'of', 'all', 'these', 'materials', 'worldwide.', 'All', 'the', 'infor-', 'mation', 'that', 'our', 'readers', 'may.', 'be', 'able', 'to', 'contribute', 'will', 'be', 'greatly', 'appreciated.', 'This', 'publication', 'is', 'intended', 'to', 'aid', 'in', 'the', 'search', 'for', 'a', 'particular', 'substance', 'in', 'one', 'of', 'the', 'resources.', 'mentioned', 'above.', 'Although', 'a', 'reasonable', 'effort', 'was', 'made', 'to', 'find', 'all', 'list-', 'ings,', 'it', 'is', 'probable', 'that', 'some', 'were', 'missed.', 'Accurate', 'cross-referencing', 'was', 'difficult.', 'This', 'is', 'especially', 'true', 'of', 'the', 'botanicals.', 'Here', 'it', 'was', 'assumed', 'that', 'where', 'the', 'species', 'were', 'the', 'same', 'on', 'two', 'or', 'more', 'referenced', 'lists,', 'the', 'substance', 'was', 'the', 'same', 'unless', 'it', 'was', 'Clearly', 'ditferentiated', 'by', 'reference', 'to', 'a', 'particular', 'part', 'of', 'the', 'plant,', 'i.e.,', 'roots', 'on', 'one', 'list', 'and', 'leaves.on', 'another.', ',', 'It', 'is', 'important,', 'therefore,', 'to.', 'emphasize', 'that', 'if', 'accuracy', 'is', 'desired,', 'the', 'original', 'list', 'should', 'be', 'consulted', 'for', 'verification.', 'If', 'you', 'find', 'amy', 'errors', 'in', 'this', 'Edition,', 'it', 'would', 'be', 'on', 'appreciated', 'if', 'you', 'could', 'tet', 'us', 'know', 'so', 'carrections', 'can', 'be', 'made', 'in', 'the', 'Fourth', 'dition.', 'References', '1.', 'Ford,', 'R.A.', 'and', 'Cramer,', 'G.', 'M.,', 'Reference', 'list', 'of', 'flavoring', 'substances', 'in', 'use', 'in', 'the', '.', 'United', 'States.', 'Perf.', 'Flavorist', '2', '(1),', '1,', '1977', '2.', 'Ford,', 'R.', 'A.,', 'Flavor', 'Materials', '1979,', 'Allured', 'Publishing', 'Corporation,', 'Wheaton,', 'Illinois,', 'USA', '3.', 'Hall,', 'R.L.,,and', 'Oser,', 'B.', 'L.,', 'Recent', 'progress', 'in', 'the', 'consideration', 'of', 'flavoring', 'ingre-', 'dients', 'under', 'the', 'Food', 'Additives', 'Amendment.', 'FEMA', 'GRAS', 'Substances', '3.', 'Food', 'Technol.', '19(2),', 'Part', '2,', '151,', '1966;', '4.', 'Food', 'Technol.', '24(5),', '25,', '1970', '4.', 'Oser,', 'B.L.,', 'and', 'Hall,', 'R.', 'L.,', 'Recent', 'progress', 'in', 'the', 'consideration', 'of', 'flavoring', 'ingre-', 'dients', 'under', 'the', 'Food', 'Additives', 'Amendment.', 'FEMA.', 'GRAS', 'Substamces', '5.', 'Food', 'Technol.', '26(5),', '35,', '1972.', '5..', 'Oser,', 'B.', 'L,', 'and', 'Ford,', 'R.', 'A.,', 'Recenti', 'progress', 'in', 'the', 'consideration', 'of', 'flavoring', 'ingre-', 'dients', 'under', 'the', 'Food!', 'Additives', 'Amendment.', 'FEMA', 'GRAS', 'Substances', '6.', 'Food', 'Flavor', '&', 'Fragrance', 'Materials', '—', '1981', '—', 'Allured', 'Publishing', 'PeS9P200', 'vil', ' ']