Increasing the HDL level and the HDL/LDL ratio in human serum by balancing saturated and polyunsaturated dietary fatty acids
DCFirst Claim
1. A cholesterol-free fat composition suitable for human or animal ingestion for increasing the HDL concentration and the HDL/LDL concentration ratio in the blood serum, wherein said fat composition contains one part by weight polyunsaturated fat and at least one part by weight cholesterol-free saturated fat, where said fat composition comprises linoleic acid and at least one saturated fatty acid selected from the group consisting of lauric acid, myristic acid, and palmitic acid, said linoleic acid constituting between 15% by weight and 40% by weight of the fat in said fat composition and said saturated fatty acid constituting between 20% and 40% by weight of the fat in said fat composition, and wherein said fat composition comprises no more than 1% elaidic acid or other unnatural trans fatty acids by weight.
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Abstract
A method of increasing the HDL concentration and the HDL/LDL concentration ratio in human serum by providing a balance between a sufficient and required proportion of cholesterol-free saturated fatty acids in the daily dietary fat of the human and a sufficient and required, but not excessive, proportion of polyunsaturated fatty acids comprising linoleic acid in dietary fat, while the remaining proportion of fatty acids and energy from the dietary fat is provided by monounsaturated fatty acids comprising oleic acid. The saturated fatty acids must constitute between 20% and 40% by weight of the daily dietary fat based upon dietary fat accounting for 30% of the total dietary energy consumption, and linoleic acid must constitute between 15% and 40% by weight of dietary fat. In this way, the required proportional intake of polyunsaturated fatty acids enhances the formation of HDL from VLDL and/or decreases the clearance of HDL, while an excessive proportional intake of polyunsaturated fatty acids and monounsaturated fatty acids is avoided to assure a sufficient dietary availability of saturated fatty acids which are required for sufficient VLDL synthesis and HDL production.
80 Citations
16 Claims
- 1. A cholesterol-free fat composition suitable for human or animal ingestion for increasing the HDL concentration and the HDL/LDL concentration ratio in the blood serum, wherein said fat composition contains one part by weight polyunsaturated fat and at least one part by weight cholesterol-free saturated fat, where said fat composition comprises linoleic acid and at least one saturated fatty acid selected from the group consisting of lauric acid, myristic acid, and palmitic acid, said linoleic acid constituting between 15% by weight and 40% by weight of the fat in said fat composition and said saturated fatty acid constituting between 20% and 40% by weight of the fat in said fat composition, and wherein said fat composition comprises no more than 1% elaidic acid or other unnatural trans fatty acids by weight.
- 7. A prepared food product, comprising a cholesterol-free fat composition suitable for human or animal ingestion for increasing the HDL concentration and the HDL/LDL concentration ratio in the blood serum, comprising one part by weight polyunsaturated fat and at least one part by weight cholesterol-free saturated fat, where said fat composition comprises linoleic acid and at least one saturated fatty acid selected from the group including lauric acid, myristic acid, and palmitic acid, said linoleic acid constituting between 15% by weight and 40% by weight of the fat in said fat composition and said saturated fatty acid constituting between 20% and 40% by weight of the fat in said fat composition.
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11. A method of aiding a person to increase the HDL concentration and the HDL/LDL concentration ratio in the serum of said person by providing a dietary fat composition having a balance between a sufficient and required proportion of cholesterol-free saturated fatty acids and a sufficient and required, but not excessive proportion of polyunsaturated fatty acids comprising linoleic acid in said dietary fat composition, while the remaining proportion of fatty acids and energy from said dietary fat composition is provided by monounsaturated fatty acids comprising oleic acid, wherein said saturated fatty acids constitute between 20% and 40% by weight of said dietary fat composition, and wherein said linoleic acid constitutes between 15% and 40% by weight of said dietary fat composition;
wherein said HDL concentration and said HDL/LDL concentration ratio will increase when the daily dietary fat accounts for between 15% and 45% of the total dietary energy and contains one part by weight polyunsaturated fat and at least one part by weight cholesterol-free saturated fat, wherein said daily dietary fat comprises linoleic acid and at least one saturated fatty acid selected from the group including lauric acid, myristic acid and palmitic acid, said linoleic acid constituting between 15% and 40% by weight of said daily dietary fat and said saturated fatty acid constituting between 20% and 40% by weight of said daily dietary fat.
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12. A method of increasing the HDL concentration and the HDL/LDL concentration ratio in human serum by providing a balance between a sufficient and required proportion of cholesterol-free saturated fatty acids in the daily dietary fat of said human and a sufficient and required, but not excessive proportion of polyunsaturated fatty acids comprising linoleic acid in said dietary fat, while the remaining proportion of fatty acids and energy from said dietary fat is provided by monounsaturated fatty acids comprising oleic acid, said method comprising the step of:
- ingesting said dietary fat, wherein said saturated fatty acids are selected from the group consisting of palmitic acid, myristic acid, lauric acid, and combinations thereof, and constitute between 20% and 40% by weight of the daily dietary fat based upon said dietary fat accounting for 30% of the total dietary energy consumption, and wherein said linoleic acid constitutes between 15% and 40% by weight of said dietary fat, whereby the required proportional intake of said polyunsaturated fatty acids enhances the formation of HDL from VLDL and/or decreases the clearance of HDL, while an excessive proportional intake of said polyunsaturated fatty acids and said monounsaturated fatty acids is avoided to assure a sufficient dietary availability of said saturated fatty acids which are required for sufficient VLDL synthesis and HDL production, and wherein the food source for both said saturated and said polyunsaturated fatty acids comprises a genetically selected or engineered single vegetable oil species.
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13. A method of increasing the HDL concentration and the HDL/LDL concentration ratio in human serum by providing a balance between a sufficient and required proportion of cholesterol-free saturated fatty acids in the daily dietary fat of said human and a sufficient and required, but not excessive proportion of polyunsaturated fatty acids comprising linoleic acid in said dietary fat, while the remaining proportion of fatty acids and energy from said dietary fat is provided by monounsaturated fatty acids comprising oleic acid, said method comprising the step of:
- ingesting said dietary fat, wherein said saturated fatty acids are selected from the group consisting of palmitic acid, myristic acid, lauric acid, and combinations thereof, and constitute between 20% and 40% by weight of the daily dietary fat based upon said dietary fat accounting for 30% of the total dietary energy consumption, and wherein said linoleic acid constitutes between 15% and 40% by weight of said dietary fat, whereby the required proportional intake of said polyunsaturated fatty acids enhances the formation of HDL from VLDL and/or decreases the clearance of HDL, while an excessive proportional intake of said polyunsaturated fatty acids and said monounsaturated fatty acids is avoided to assure a sufficient dietary availability of said saturated fatty acids which are required for sufficient VLDL synthesis and HDL production, and wherein the food source for both said saturated and said polyunsaturated fatty acids comprises a genetically selected or engineered single vegetable oil species.
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14. A method of decreasing the LDL concentration in human serum comprising the step of providing saturated fatty acids selected from the group consisting of palmitic acid, myristic acid, lauric acid, and combinations thereof, in the daily diet in a proportion between 20% and 40% by weight of the daily dietary fat based upon said dietary fat accounting for 30% of the total dietary energy consumption, and maintaining a proportion of polyunsaturated fatty acids comprising linoleic acid in the daily diet at the expense of monounsaturated fatty acids comprising oleic acid and/or elaidic acid, wherein said linoleic acid constitutes between 15% and 40% by weight of said dietary fat, whereby removal of plasma VLDL remnants and LDL is maximized, and the production of LDL is reduced, and wherein the food source for both said saturated and said polyunsaturated fatty acids comprises a genetically selected or engineered single vegetable oil species.
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15. A method of increasing the HDL and stabilizing or decreasing the LDL concentration in human serum comprising the step of providing saturated fatty acids selected from the group consisting of palmitic acid, myristic acid, lauric acid and combinations thereof, in the daily diet in a proportion between 20% and 40% by weight of the daily dietary fat based upon said dietary fat accounting for 30% of the total dietary energy consumption, whereby the production of VLDL, as the HDL precursor, is adequately sustained and is not rate limiting in HDL biosynthesis, and maintaining a proportion of polyunsaturated fatty acids comprising linoleic acid in the daily diet at the expense of monounsaturated fatty acids comprising oleic acid and/or elaidic acid, wherein said linoleic acid constitutes between 15% and 40% by weight of said dietary fat, whereby VLDL catabolism to HDL is facilitated and hepatic clearance of VLDL remnants and LDL is enhanced, and wherein the food source for both said saturated and said polyunsaturated fatty acids comprises a genetically selected or engineered single vegetable oil species.
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16. A method of increasing the HDL concentration and the HDL/LDL concentration ratio in human serum comprising the step of consuming foods prepared using a cholesterol-free single fat or blended fat composition containing a ratio of one part by weight polyunsaturated fatty acids to at least one part by weight saturated fatty acids, wherein said single fat or blended fat composition comprises linoleic acid and at least one saturated fatty acid selected from the group including lauric acid, myristic acid, and palmitic acid, said linoleic acid constituting between 15% by weight and 40% by weight of said composition and said saturated fatty acid constituting between 20% and 40% by weight of said composition, whereby adequate dietary levels of saturated fatty acids in the absence of cholesterol stimulate VLDL synthesis and secretion by the liver, and adequate dietary levels of linoleic acid enhance LPL activity and generation of HDL from VLDL while stimulating the removal of VLDL remnants and LDL and concomitantly decreasing CETP activity and HDL catabolism, and wherein the food source for both said saturated and said polyunsaturated fatty acids comprises a genetically selected or engineered single vegetable oil species.
Specification