1798588 WSF water-soluble fraction 144 500362 WS water soluble fraction 4 1785677 WAF water-soluble fraction 2 1798098 WSA water-soluble fraction 2 1564207 S-AA water-soluble fraction 1 496898 WF water-soluble fraction 1 1798406 WSE water-soluble fraction 1 3662950 WSOC water-soluble fraction 1 1799872 WtF water-soluble fraction 1