1. A composition comprising a PUFA product, wherein the PUFA product is EPA present in an amount greater than 93 wt %, wherein the total content of \u03c9-6 polyunsaturated fatty acids is up to 0.40 wt %, and wherein the total content of eicosatetraenoic acid is up to 1 wt %.
2. The composition according to claim 1, wherein the total content of eicosatetraenoic acid is 0.05 wt % or greater.
3. The composition according to claim 1, wherein the composition (a) comprises greater than 96.5 wt % EPA, up to 1 wt % DHA, up to 1 wt % \u03b1-linolenic acid, up to 1 wt % stearidonic acid, up to 1 wt % eicosatetraenoic acid, up to 1 wt % docosapentaenoic acid, and up to 0.25 wt % arachidonic acid; or
(b) comprises greater than 96.5 wt % EPA, up to 0.2 wt % DHA, up to 0.3 wt % \u03b1-linolenic acid, up to 0.4 wt % stearidonic acid, up to 0.5 wt % eicosatetraenoic acid, up to 0.35 wt % docosapentaenoic acid, and up to 0.25 wt % arachidonic acid.
4. The composition according to claim 1, wherein the composition (a) comprises from 96.5 to 99 wt % EPA, up to 0.6 wt % DHA, up to 0.6 wt % \u03b1-linolenic acid, from 0.15 to 0.6 wt % stearidonic acid, from 0.1 to 0.75 wt % eicosatetraenoic acid, up to 0.6 wt % docosapentaenoic acid, and up to 0.6 wt % arachidonic acid; or
(b) comprises from 96.5 to 99 wt % EPA, up to 0.2 wt % DHA, up to 0.3 wt % \u03b1-linolenic acid, from 0.15 to 0.4 wt % stearidonic acid, from 0.1 to 0.5 wt % eicosatetraenoic acid, up to 0.35 wt % docosapentaenoic acid, and up to 0.25 wt % arachidonic acid.
5. The composition according to claim 1, wherein the composition (a) comprises from 98 to 99 wt % EPA, from 0.1 to 0.3 wt % DHA, from 0.3 to 0.35 wt % stearidonic acid, from 0.1 to 0.3 wt % eicosatetraenoic acid, and from 0.3 to 0.35 wt % docosapentaenoic acid; or
(b) comprises from 96.5 to 99 wt % EPA, from 0.1 to 0.5 wt % DHA, from 0.1 to 0.5 wt % stearidonic acid, from 0.1 to 0.5 wt % eicosatetraenoic acid, from 0.1 to 0.5 wt % docosapentaenoic acid, and from 0.1 to 0.3 wt % arachidonic acid; or
(c) comprises from 98 to 99 wt % EPA, from 0.1 to 0.2 wt % DHA, from 0.3 to 0.35 wt % stearidonic acid, from 0.1 to 0.2 wt % eicosatetraenoic acid, and from 0.3 to 0.35 wt % docosapentaenoic acid; or
(d) comprises from 96.5 to 97.5 wt % EPA, from 0.25 to 0.35 wt % \u03b1-linolenic acid, from 0.18 to 0.24 wt % stearidonic acid, from 0.4 to 0.46 wt % eicosatetraenoic acid, and from 0.15 to 0.25 wt % arachidonic acid.
6. A composition comprising a PUFA product, wherein the PUFA product is a mixture of EPA and DHA, wherein (i) the total content of EPA and DHA is 80 wt % or greater, (ii) the content of EPA is from 41 to 60 wt % and the content of DHA is from 16 to 48 wt %, and (iii) the total content of \u03c9-3 polyunsaturated fatty acids is 94 wt % or greater andor the total content of \u03c9-6 polyunsaturated fatty acids is up to 4 wt %; and wherein
(a) the total content of \u03c9-3 polyunsaturated fatty acids is 97 wt % or greater, andor
(b) the total content of stearidonic acid is up to 1.5 wt %, andor
(c) the total content of docosapentaenoic acid is from 4 to 5.25 wt %, andor
(d) the total content of adrenic acid is up to 0.1 wt %.
7. The composition according to claim 6, wherein the total content of stearidonic acid is from 0.05 wt % to 1.5 wt %.
8. The composition according to claim 6, wherein the total content of adrenic acid is from 0.05 wt % to 0.1 wt %.
9. The composition according to claim 6, wherein the composition comprises from 50 to 55 wt % EPA, from 30 to 35 wt % DHA, up to 0.4 wt % \u03b1-linolenic acid, up to 1.25 wt % stearidonic acid, up to 1.9 wt % eicosatetraenoic acid, up to 2.75 wt % heneicosapentaenoic acid, up to 5.25 wt % docosapentaenoic acid, up to 0.25 wt % linoleic acid, up to 0.1 wt % gamma-linolenic acid, up to 0.1 wt % dihommo-gamma-linolenic acid, up to 2.1 wt % arachidonic acid, up to 0.1 wt % adrenic acid, and up to 0.75 wt % docosapentaenoic (\u03c9-6) acid.
10. The composition according to claim 6, wherein the composition comprises from 50 to 55 wt % EPA, from 30 to 35 wt % DHA, from 0.2 to 0.4 wt % \u03b1-linolenic acid, up to 1.25 wt % stearidonic acid, from 1.0 to 1.9 wt % eicosatetraenoic acid, from 2 to 2.75 wt % heneicosapentaenoic acid, from 4 to 5.25 wt % docosapentaenoic acid, from 0.15 to 0.25 wt % linoleic acid, up to 0.1 wt % gamma-linolenic acid, up to 0.1 wt % dihommo-gamma-linolenic acid, up to 2.1 wt % arachidonic acid, up to 0.1 wt % adrenic acid, and up to 0.75 wt % docosapentaenoic (\u03c9-6) acid.
11. The composition according to claim 1, wherein (a) a total amount of polyaromatic hydrocarbons in the composition is up to 0.89 \u03bcgkg, (b) a total amount of dioxins, furans, dibenzeno-para-dioxins and polychlorinated dibenzofurans is up to 0.35 pgg, (c) a total amount of polychlorinated biphenyls is up to 0.0035 mgkg, andor (d) a total amount of dioxins, furans, dibenzeno-para-dioxins, polychlorinated dibenzofurans and dioxin-like polychlorinated biphenyls is up to 1 pgg.
12. The composition according to claim 1, wherein a content of isomeric impurities is up to 1.5 wt %.
13. The composition according to claim 12, wherein the content of isomeric impurities is up to 1 wt %, up to 0.5 wt %, up to 0.25 wt %, or up to 0.1 wt %.
14. The composition according to claim 7, wherein (a) a total amount of polyaromatic hydrocarbons in the composition is up to 0.89 \u03bcgkg, (b) a total amount of dioxins, furans, dibenzeno-para-dioxins and polychlorinated dibenzofurans is up to 0.35 pgg, (c) a total amount of polychlorinated biphenyls is up to 0.0035 mgkg, andor (d) a total amount of dioxins, furans, dibenzeno-para-dioxins, polychlorinated dibenzofurans and dioxin-like polychlorinated biphenyls is up to 1 pgg.
15. The composition according to claim 6, wherein a content of isomeric impurities is up to 1.5 wt %.
16. The composition according to claim 15, wherein the content of isomeric impurities is up to 1 wt %, up to 0.5 wt %, up to 0.25 wt %, or up to 0.1 wt %.
17. A composition comprising a PUFA product, wherein (a) a total amount of polyaromatic hydrocarbons in the composition is up to 0.89 \u03bcgkg, (b), a total amount of dioxins, furans, dibenzeno-para-dioxins and polychlorinated dibenzofurans is up to 0.35 pgg (c) a total amount of polychlorinated biphenyls is up to 0.0035 mgkg, andor (d) a total amount of dioxins, furans, dibenzeno-para-dioxins, polychlorinated dibenzofurans and dioxin-like polychlorinated biphenyls is up to 1 pgg.
18. The composition according to claim 17, wherein the PUFA product is DHA, and the composition comprises greater than 85 wt % PUFA product.
19. A composition comprising a PUFA product, wherein the content of isomeric impurities is up to 1.5 wt %.
20. The composition according to claim 19, wherein the content of isomeric impurities is up to 1 wt %, up to 0.5 wt %, up to 0.25 wt %, or up to 0.1 wt %.
21. The composition according to claim 19, wherein the PUFA product is DHA, and the composition comprises greater than 85 wt % PUFA product.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A cell phone antenna switching circuit including a plurality of built-in antennas which perform radio transmissionreception, comprising:
a plurality of reception level measuring means for measuring reception levels of the corresponding built-in antennas; and
antenna selection means for always automatically selecting an antenna whose reception level is high during a standby period, and selecting an antenna with good antenna characteristics depending on a function during speech communication.
2. A circuit according to claim 1, wherein
said built-in antennas include a first antenna which is mounted near a speaker incorporated in said cell phone, and a second antenna which is mounted near a microphone incorporated in said cell phone,
said first antenna is used at least when key operation is performed,
said second antenna is used at least when a user performs speech communication while bringing an ear into contact with a speaker, and
said antenna selection means selects one of said first and second antennas on the basis of an output from said reception level measuring means.
3. A circuit according to claim 2, wherein said antenna selection means comprises an antenna switch which switches said first and second antennas, and control means for controlling said antenna switch on the basis of an output from said reception level measuring means.
4. A circuit according to claim 3, further comprising:
a transmission circuit which outputs a transmission wave obtained by modulating speech data to said second antenna;
a reception circuit which receives and demodulates a modulated wave of speech through said first antenna; and
a duplexer which prevents interference of a transmission wave from said transmission circuit to said reception circuit.
5. A circuit according to claim 4, wherein the transmission and reception waves of speech are transmission and reception waves of packet data.
6. An antenna switching method for a cell phone having built-in antennas including first and second antennas, comprising the steps of:
temporarily selecting one of the first and second antennas at the start of a standby state for waiting for one of an outgoing call and incoming call for speech communication and packet communication, and measuring reception levels of the first and second antennas; and
switching the antennas when the reception level of one of the first and second antennas which has been temporarily selected is lower than the reception level of the other of the first and second antennas.
7. A method according to claim 6, further comprising the steps of:
issuing an instruction to select the second antenna mounted near a microphone incorporated in the cell phone when speech communication is to be performed; and
issuing an instruction to select the first antenna mounted near a speaker incorporated in the cell phone when packet communication is performed by key operation.
8. A method according to claim 6, further comprising the steps of:
executing a cell search when a power switch of the cell phone is turned on; and
selecting one of the first and second antennas which was selected when the power switch was turned off.
9. A method according to claim 8, further comprising the steps:
determining whether the step of executing the cell search has succeeded; and
switching the antenna to the temporarily selected antenna when the cell search has failed, and executing the cell search.
10. A method according to claim 9, further comprising the steps of:
when the cell search has succeeded, shifting to a position registration sequence for a base station to perform position registration of the cell phone;
determining whether the position registration has succeeded;
when the position registration has failed, selecting an antenna which has not been selected for the cell search, and returning to the step of performing position registration; and
when the position registration has succeeded, shifting to a standby state.
11. A method according to claim 10, further comprising the steps of:
always determining whether speech communication is being performed; and
when no speech communication being performed, performing on-hook operation and shifting to the standby state.