Abstract
The Journal of the National Science Foundation of Sri Lanka publishes the results of research in all aspects of Science and Technology. The journal also has a website at http://www.nsf.gov.lk/. 2021 Impact Factor: 0.682The JNSF provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
Highlights
Pepper (Piper nigrum L.) is one of the moreimportant spices grown in Sri Lanka
Pepper has been exported as whole black pepper, with increasing competition in the world market the need for product diversification has arisen
In this paper we report the following: (i) A glc analysis of Sri Lanka pepper oil, (ii) The effect of commercial grinding on volatile oil content and coinposition. (iii) An analysis of volatile oil of selected ground pepper samples found in the local 11lnrket. (iv) The effect of storage of ground pepper in different gauges of single pouch low density polyethylene (LDPE) packs, an Al foil laminate and tinned cans on the composition of pepper oil. (v) The effect of storage on piperine
Summary
Pepper (Piper nigrum L.) is one of the moreimportant spices grown in Sri Lanka. Sri Lanka pepper is reported to have special characteristics[6] (high volatile oil and piperine) which gives it a special position in world trade. The original systematic study of the volatile constituents of pepper by Jennings and co-workers8,9,11.12.13.1w5 as carried out using Sri Lanka pepper. Balsubrahmanyamet a1 ' reported that high temperature storage in L D P E and H D P E resulted in 'sticky' packages and oil deposition on the surface of the packaging material Despite this knowledge, ground pepper continues to be marketed in Sri Lanka in single pouch LDPE. (iv) The effect of storage of ground pepper in different gauges of single pouch LDPE packs, an Al foil laminate and tinned cans on the composition of pepper oil. (i) A glc analysis of Sri Lanka pepper oil, (ii) The effect of commercial grinding on volatile oil content and coinposition. (iii) An analysis of volatile oil of selected ground pepper samples found in the local 11lnrket. (iv) The effect of storage of ground pepper in different gauges of single pouch LDPE packs, an Al foil laminate and tinned cans on the composition of pepper oil. (v) The effect of storage (in these packages) on piperine (the pungent principle of pepper)
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