Composition cotaining ultraviolet wavelength-converting substance and hydrophobized silica and/or hydrophobized starch

A composition comprising (A′) one or more substances selected from the group of phycocyanin, phycoerythrocyanin, phycoerythrin, vitamin A, β-carotene, vitamin K, vitamin B1, vitamin B2, vitamin B2 derivatives, vitamin B6, vitamin B12, folic acid, niacin, salicylic acid, lycopene, gardenia color, capsicum color, capsicum extract, paprika color, safflower color, turmeric color, cochineal color, perilla color, red cabbage color, flavonoid, carotenoid, quinoid, porphyrins, anthocyanins, polyphenols, Red No. 401, Red No. 227, Red No. 504, Red No. 218, Orange No. 205P, Yellow No. 4, Yellow No. 5, Green No. 201, pyranine conc., Blue No. 1, 2,4-diaminophenoxyethanol hydrochloride, Alizuline Purple SS, Purple No. 401, Black No. 401, Herindon pink, Yellow No. 401, Benzidine yellow G, Blue No. 404, Red No. 104, meta-aminophenol;

• a blue phosphor comprising an amorphous silica particle, cerium, and phosphorus and/or magnesium;
• a red phosphor comprising a europium-activated compound of a mixed crystal of an alkaline earth metal sulfide and a gallium compound;
• a zinc oxide phosphor, a phosphor doped with a sulfur-containing compound, a magnesium titanate phosphor, and a calcium phosphate phosphor, and
• (B) a hydrophobized silica and/or a hydrophobized starch.