here is a list of scientific studies that show pine needle extract has anti microbial properties, anti cancer affects, anti aging affects,and is a more powerful anti oxident than vitamin e.
http://livepine.com/pnopaper.php
somebody patented some version of pine needle extract
http://www.freepatentsonline.com/6329000.html
Extract of pine needle and the use thereof
Document Type and Number: United States Patent 6329000
Link to this Page:
http://www.freepatentsonline.com/6329000.html
Abstract: This invention discloses a kind of pine needle extract. The extract can be used to treat the following diseases: hypertension, coronary heart disease, angina pectoris, arrhythmia, diabetes, hyperlipemia, high blood viscosity, high blood aggregation, scleratheroma, cerebral infarction, brain scleratheroma, senile dementia, sudden deafness, etc.
here is another quote from the same site above that sells a whole host of products all based on pine needle oil. it has the most complete list of pine needle nutrients i could find.
http://livepine.com/index.php
Discover the amazing secret of Pine Needle Oil!
The most recent studies of the chemical components found in Pine Needle Oil indicate it has protein, Vitamin A, Carotene and Iron, which are all required by the human body to function properly. Rutin, found in Pine Needles, is thought to be the compound that cleans blood vessels, according to the researchers.
The chemical components of Pine Needle Oil include monoterpene hydrocarbons, such as a-pinene, 3-carene, dipentene, b-pinen, D-limonene, a-terpinene, g-terpinene, cis-b-ocimene, myrcene, camphene, sabinene, and terpinolene (Schulz et al, 1998). Other constituents include bornyl acetate, borneol, 1,8-cineole, citral terpineol, T-cadinol, T-muurolol, a-cadinol, cayophyllene, chamazulen, butyric acid, valeric acid, caproic acid, and isocaproic acid (Leung and Foster, 1996).