Drug – bio-affecting and body treating compositions – Plant material or plant extract of undetermined constitution...
Reexamination Certificate
2001-01-10
2002-08-06
Henley, III, Raymond (Department: 1614)
Drug, bio-affecting and body treating compositions
Plant material or plant extract of undetermined constitution...
C514S023000, C424S439000
Reexamination Certificate
active
06428817
ABSTRACT:
FIELD OF THE INVENTION
The present invention involves the use of sea cucumber tissue fractions, in combination with kelp, and/or green tea extracts, for the inhibition of inflammation. These therapeutic fractions are incorporated with ingredients which provide palatability into a delivery system as a user-convenient and pet acceptable “jerky stick” or similar animal “treat” format.
BACKGROUND OF THE INVENTION
Dogs and other companion animals suffering from various forms of arthritis are in need of supplements which deliver active forms of anti-inflammatory agents in a palatable manner.
Glucosamine sulfate and glucosamine HCL and related products are described in various patents such as those by Henderson, et al, which teach the incorporation of glucosamines with other sulfated polysaccharides, vitamin C and manganese in products aimed at cartilage health. It is believed that glucosamine, or similar products, provide one or more of the biochemical components which make up the matrix of mammalian cartilage. Glucosamine is a chondroprotective agent which acts as a competitive inhibitor of inflammatory agents produced by the body which attack the cartilage and/or joint fluid in the joints.
Green tea extracts have been shown to be potent inhibitors of inflammation and collagen-induced arthritis in mice. See, Haqqi, et al.,
Proc. Natl. Acad. Sci., USA,
96:4524-29 (1999). The polyphenolic subfraction of green tea, known as epigallocatechin-3-gallate (EGCg), has proven to be an inhibitor of cartilage degradation in mammals. Id. In an experiment, purified EGCg, from Sigma Chemical Supply, St. Louis, Mo., was placed with bovine nasal cartilage explants at a concentration of22 &mgr;M. This mixture was cultured for 5 days in the presence or absence of the pro-inflammatory cytokine, recombinant human tumor necrosis factor alpha at 3 nM. The inhibition of both the basal and stimulated protcoglycan degradation by EGCg was measured using a calorimetric assay for sulfated glycosaminoglycans. See, Farndale, et al.,
Biochem. Biophys. Acta,
4:883 (1986). The results showed that EGCg was a potent inhibitor of cartilage breakdown at the sub-cellular level.
Jerky sticks, as are known in the dog treat industry, are often combinations of meat or fish by-products, gelatin, grains, vitamins, minerals, animal fat, preservatives such as BHT and BHA or mixed tocopherols that are mixed and extruded into various shapes, weights, and sizes which can vary widely. See, U.S. Pat. No. 5,773,076 for a general description of the art. Jerky sticks are given to pets as rewards or for added nutrition, or both.
Both extracts from the sea cucumber and from green tea are known to have beneficial therapeutic effects in mammals. These beneficial effects could not be utilized by veterinarians and others skilled in the art of animal care because they were not available in a palatable form. It is known to those skilled in the art of veterinary science that dogs and other mammals prefer palatability factors such as, fish, meat or meat by-products to enhance the attractiveness of therapeutic products and increase patient compliance.
Given the lack of a mode of delivery for these types of anti-inflammatory extracts that is both easy to administer for the caretaker and agreeable to the animal, there is a recognized need for the combination of an acceptable delivery form and the therapeutic extracts.
SUMMARY OF THE INVENTION
The present invention relates to a mode of delivery for biologically active fractions of sea cucumber and green tea. In this regard, the present invention describes a “jerky stick” or “dog bone” as is known in the art, being combined with the palatability factors of meat and meat by-products, garlic, smoke flavor or cheese, and the additional co-factors of glucosamine sulfate, glucosamine hydrochloride and/or green tea extracts or derivatives thereof for therapeutic treatment of inflammation and arthritis.
DETAILED DESCRIPTION OF THE INVENTION
The present invention addresses the problem of administration of anti-inflammatory treatments, specifically; sea cucumber products, glucosamines, kelps and green tea extracts by incorporating them into jerky treats with co-factors addressing the need to make the total product palatable to the animal in need.
The sea cucumber fraction delivery system for animals of the present invention includes the combination of glucosamines and/or kelp, and/or green tea extracts in the form, of a jerky stick, or “treat”, as is popular in the dog-treat industry.
The “jerky stick” of the present invention combines certain ingredients and is made palatable by certain co-factors such as meats or flavorings known to those skilled in the art and include glucosamines or glucosamine derivatives. Sea cucumber body wall finely divided, including the epithelial layer, muscle layer and collagen layer as an ingredient in a formed dog jerky stick is also an aspect of the present invention. These total sea cucumber skin fractions are also incorporated with glucosamines described above and formed in various percentages of incorporation into jerky sticks with palatability factors such as beef, meat meal and meat by-products or other flavor-bearing compounds. A suitable range of glucosamine concentration is between 1% and 50% of the final product (by weight). These jerky sticks or manufactured “treats” are administered to dogs, cats and other animals and provide increased attractiveness to those animals in need of the therapeutic ingredients.
As used herein, the term “B1000” refers to the isolated epithelial layer of the sea cucumber, substantially free of the flower portion, muscle, collagenous tissues and viscera;
the term “T2000” refers to the isolated flower portion of the sea cucumber, substantially free of other portions of the sea cucumber body;
the term “derivative” refers to any compound, fraction or combination thereof, derived from a sea cucumber or green tea fraction that has biological activity or nutritional properties;
the term “inflammation disorder” refers to any condition or disease in a warm-blooded animal having inflammation as a symptom or proximate cause.
In one embodiment of the invention the delivery form “jerky treat” material contains the sea cucumber fractions as disclosed in U.S. Pat. No. 5,770,205. Active anti-inflammatory compositions can be obtained from sea cucumber in a variety of ways. For example, sea cucumbers can first be cleaned of muscle bands and viscera, boiled (but not salted), preferably for about ½ hour, and then dried, preferably in low-heat mechanical driers such as those employing “heat pump” technology. The dried tissue can further be ground or divided as needed for ultimate use. This process decreases the sodium content of the tissue and helps protect various active ingredients from degradation. This fraction can be formulated and used directly as an anti-inflammatory composition.
Another active fraction can be obtained from the flower portion of the sea cucumber. During the evisceration process described above, the anterior portion (“flower”) of the sea cucumber is cut away from the viscera and body wall. The isolated flower is then heated, preferably for about ½ hour, dried at low temperatures (e.g. between about 140° F. and about 180° F. using conventional drying apparatus and per se known techniques). This dried fraction, designated “T2000” by the inventor, can then be ground or divided as needed for formulation and use directly as an anti-inflammatory composition.
Still another anti-inflammatory fraction can be obtained from the epithelial layer of the sea cucumber body wall. Muscle, viscera and flower are removed as described above, followed by isolation of the epithelial layer of the sea cucumber body wall from the harder collagenous layers beneath, preferably by one or more of the following means:
heating the body-wall in water at temperatures from about 140° F. to about 180° F., preferably at about 170° F., followed by mechanical separation by hand or machine (e.g., using machines known in the art as mincers or de-boners, which
Henley III Raymond
Rothwell Figg Ernst & Manbeck
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